Merge

56 files changed, 1641 insertions, 2384 deletions

diff --git a/indra/llrender/llglslshader.cpp b/indra/llrender/llglslshader.cpp
index 15a018a0bb..4dae61e185 100644
--- a/indra/llrender/llglslshader.cpp
+++ b/indra/llrender/llglslshader.cpp
@@ -84,6 +84,7 @@ LLShaderFeatures::LLShaderFeatures()
     , isDeferred(false)
     , hasIndirect(false)
     , hasShadows(false)
+    , hasAmbientOcclusion(false)
     , mIndexedTextureChannels(0)
     , disableTextureIndex(false)
     , hasAlphaMask(false)
diff --git a/indra/llrender/llglslshader.h b/indra/llrender/llglslshader.h
index ed13106bfd..56d322fe6c 100644
--- a/indra/llrender/llglslshader.h
+++ b/indra/llrender/llglslshader.h
@@ -49,6 +49,7 @@ public:
 	bool hasAtmospherics;
 	bool hasGamma;
     bool hasShadows;
+    bool hasAmbientOcclusion;
 	bool hasSrgb;
     bool encodesNormal;
     bool decodesNormal;
diff --git a/indra/llrender/llshadermgr.cpp b/indra/llrender/llshadermgr.cpp
index 3a80ff0144..29d120a135 100644
--- a/indra/llrender/llshadermgr.cpp
+++ b/indra/llrender/llshadermgr.cpp
@@ -196,8 +196,8 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 		}
 	}
 
-#if USE_DEFERRED_SHADER_API
-    if (features->isDeferred || features->hasShadows)
+    // we want this BEFORE shadows and AO because those facilities use pos/norm access
+    if (features->isDeferred || features->hasShadows || features->hasAmbientOcclusion)
 	{
 		if (!shader->attachObject("deferred/deferredUtil.glsl"))
 		{
@@ -205,6 +205,22 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 		}
 	}
 
+    if (features->hasShadows)
+	{
+		if (!shader->attachObject("deferred/shadowUtil.glsl"))
+		{
+			return FALSE;
+		}
+	}
+
+    if (features->hasAmbientOcclusion)
+	{
+		if (!shader->attachObject("deferred/aoUtil.glsl"))
+		{
+			return FALSE;
+		}
+	}
+
     if (features->hasIndirect)
 	{
 		if (!shader->attachObject("deferred/indirect.glsl"))
@@ -212,7 +228,6 @@ BOOL LLShaderMgr::attachShaderFeatures(LLGLSLShader * shader)
 			return FALSE;
 		}
 	}
-#endif
 
 	if (features->hasGamma)
 	{
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 07b0f2a98a..33e61f2062 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -84,11 +84,8 @@ uniform vec3 light_diffuse[8];
 vec4 applyWaterFogView(vec3 pos, vec4 color);
 #endif
 
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
 vec2 encode_normal (vec3 n);
 vec3 decode_normal (vec2 enc);
-
 vec3 scaleSoftClip(vec3 l);
 vec3 atmosFragAmbient(vec3 light, vec3 sunlit);
 vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten);
@@ -97,46 +94,46 @@ void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit,
 
 vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 diffuse, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
-	//get light vector
-	vec3 lv = lp.xyz-v;
-	
-	//get distance
-	float d = length(lv);
-	
-	float da = 1.0;
-
-	vec3 col = vec3(0);
-
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
-	{
-		//normalize light vector
-		lv = normalize(lv);
-	
-		//distance attenuation
-		float dist = d/la;
-		float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
-		dist_atten *= dist_atten;
-		dist_atten *= 2.0;
-
-		// spotlight coefficient.
-		float spot = max(dot(-ln, lv), is_pointlight);
-		da *= spot*spot; // GL_SPOT_EXPONENT=2
-
-		//angular attenuation
-		da *= max(dot(n, lv), 0.0);		
-
-		float lit = max(da * dist_atten,0.0);
-
-		col = light_col * lit * diffuse;
-
-		// no spec for alpha shader...
-	}
-
-	return max(col, vec3(0.0,0.0,0.0));
+    //get light vector
+    vec3 lv = lp.xyz-v;
+    
+    //get distance
+    float d = length(lv);
+    
+    float da = 1.0;
+
+    vec3 col = vec3(0);
+
+    if (d > 0.0 && la > 0.0 && fa > 0.0)
+    {
+        //normalize light vector
+        lv = normalize(lv);
+    
+        //distance attenuation
+        float dist = d/la;
+        float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
+        dist_atten *= dist_atten;
+        dist_atten *= 2.0;
+
+        // spotlight coefficient.
+        float spot = max(dot(-ln, lv), is_pointlight);
+        da *= spot*spot; // GL_SPOT_EXPONENT=2
+
+        //angular attenuation
+        da *= max(dot(n, lv), 0.0);     
+
+        float lit = max(da * dist_atten,0.0);
+
+        col = light_col * lit * diffuse;
+
+        // no spec for alpha shader...
+    }
+
+    return max(col, vec3(0.0,0.0,0.0));
 }
 
 #if HAS_SHADOW
-float pcfShadow(sampler2DShadow shadowMap, vec4 stc)
+float pcfShadowLegacy(sampler2DShadow shadowMap, vec4 stc)
 {
 	stc.xyz /= stc.w;
 	stc.z += shadow_bias;
@@ -155,186 +152,175 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc)
 }
 #endif
 
+float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen);
 
 void main() 
 {
-	vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5;
-	frag *= screen_res;
-	
-	vec4 pos = vec4(vary_position, 1.0);
-	
-	float shadow = 1.0;
+    vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5;
+    frag *= screen_res;
+    
+    vec4 pos = vec4(vary_position, 1.0);
+    vec3 norm = vary_norm;
 
-#if HAS_SHADOW
-	vec4 spos = pos;
-		
-	if (spos.z > -shadow_clip.w)
-	{	
-		shadow = 0.0;
-
-		vec4 lpos;
-		
-		vec4 near_split = shadow_clip*-0.75;
-		vec4 far_split = shadow_clip*-1.25;
-		vec4 transition_domain = near_split-far_split;
-		float weight = 0.0;
-
-		if (spos.z < near_split.z)
-		{
-			lpos = shadow_matrix[3]*spos;
-			
-			float w = 1.0;
-			w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
-			shadow += pcfShadow(shadowMap3, lpos)*w;
-			weight += w;
-			shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
-		}
-
-		if (spos.z < near_split.y && spos.z > far_split.z)
-		{
-			lpos = shadow_matrix[2]*spos;
-			
-			float w = 1.0;
-			w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
-			w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
-			shadow += pcfShadow(shadowMap2, lpos)*w;
-			weight += w;
-		}
-
-		if (spos.z < near_split.x && spos.z > far_split.y)
-		{
-			lpos = shadow_matrix[1]*spos;
-			
-			float w = 1.0;
-			w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
-			w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
-			shadow += pcfShadow(shadowMap1, lpos)*w;
-			weight += w;
-		}
-
-		if (spos.z > far_split.x)
-		{
-			lpos = shadow_matrix[0]*spos;
-							
-			float w = 1.0;
-			w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
-				
-			shadow += pcfShadow(shadowMap0, lpos)*w;
-			weight += w;
-		}
-		
+    float shadow = 1.0;
 
-		shadow /= weight;
-	}
-	else
-	{
-		shadow = 1.0;
-	}
+#if HAS_SHADOW
+    vec4 spos = pos;
+        
+    if (spos.z > -shadow_clip.w)
+    {   
+        shadow = 0.0;
+
+        vec4 lpos;
+        
+        vec4 near_split = shadow_clip*-0.75;
+        vec4 far_split = shadow_clip*-1.25;
+        vec4 transition_domain = near_split-far_split;
+        float weight = 0.0;
+
+        if (spos.z < near_split.z)
+        {
+            lpos = shadow_matrix[3]*spos;
+            
+            float w = 1.0;
+            w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
+            shadow += pcfShadowLegacy(shadowMap3, lpos)*w;
+            weight += w;
+            shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
+        }
+
+        if (spos.z < near_split.y && spos.z > far_split.z)
+        {
+            lpos = shadow_matrix[2]*spos;
+            
+            float w = 1.0;
+            w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
+            w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
+            shadow += pcfShadowLegacy(shadowMap2, lpos)*w;
+            weight += w;
+        }
+
+        if (spos.z < near_split.x && spos.z > far_split.y)
+        {
+            lpos = shadow_matrix[1]*spos;
+            
+            float w = 1.0;
+            w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
+            w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
+            shadow += pcfShadowLegacy(shadowMap1, lpos)*w;
+            weight += w;
+        }
+
+        if (spos.z > far_split.x)
+        {
+            lpos = shadow_matrix[0]*spos;
+                            
+            float w = 1.0;
+            w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
+                
+            shadow += pcfShadowLegacy(shadowMap0, lpos)*w;
+            weight += w;
+        }
+        
+
+        shadow /= weight;
+    }
+    else
+    {
+        shadow = 1.0;
+    }
 #endif
 
 #ifdef USE_INDEXED_TEX
-	vec4 diff = diffuseLookup(vary_texcoord0.xy);
+    vec4 diff = diffuseLookup(vary_texcoord0.xy);
 #else
-	vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy);
+    vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy);
 #endif
 
 #ifdef FOR_IMPOSTOR
-	vec4 color;
-	color.rgb = diff.rgb;
-	color.a = 1.0;
+    vec4 color;
+    color.rgb = diff.rgb;
+    color.a = 1.0;
 
 #ifdef USE_VERTEX_COLOR
-	float final_alpha = diff.a * vertex_color.a;
-	diff.rgb *= vertex_color.rgb;
+    float final_alpha = diff.a * vertex_color.a;
+    diff.rgb *= vertex_color.rgb;
 #else
-	float final_alpha = diff.a;
+    float final_alpha = diff.a;
 #endif
-	
-	// Insure we don't pollute depth with invis pixels in impostor rendering
-	//
-	if (final_alpha < 0.01)
-	{
-		discard;
-	}
+    
+    // Insure we don't pollute depth with invis pixels in impostor rendering
+    //
+    if (final_alpha < 0.01)
+    {
+        discard;
+    }
 #else
-	
+    
 #ifdef USE_VERTEX_COLOR
-	float final_alpha = diff.a * vertex_color.a;
-	diff.rgb *= vertex_color.rgb;
+    float final_alpha = diff.a * vertex_color.a;
+    diff.rgb *= vertex_color.rgb;
 #else
-	float final_alpha = diff.a;
+    float final_alpha = diff.a;
 #endif
 
+    vec3 sunlit;
+    vec3 amblit;
+    vec3 additive;
+    vec3 atten;
+    calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten);
 
-	vec4 gamma_diff = diff;	
-	diff.rgb = srgb_to_linear(diff.rgb);
+    vec2 abnormal   = encode_normal(norm.xyz);
+         norm.xyz   = decode_normal(abnormal.xy);
 
-	vec3 norm = vary_norm; 
-
-        vec3 sunlit;
-        vec3 amblit;
-        vec3 additive;
-        vec3 atten;
-
-	calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten);
-
-	vec2 abnormal	= encode_normal(norm.xyz);
-		 norm.xyz   = decode_normal(abnormal.xy);
-
-	float sun_da  = dot(norm.xyz, sun_dir.xyz);
-	float moon_da = dot(norm.xyz, moon_dir.xyz);
+    float sun_da  = dot(norm.xyz, sun_dir.xyz);
+    float moon_da = dot(norm.xyz, moon_dir.xyz);
 
     float final_da = max(sun_da, moon_da);
           final_da = min(final_da, shadow);
           final_da = clamp(final_da, 0.0f, 1.0f);
-	  final_da = pow(final_da, 1.0/1.3);
+      final_da = pow(final_da, display_gamma);
 
-	vec4 color = vec4(0,0,0,0);
+    vec4 color = vec4(0,0,0,0);
 
-	color.rgb = atmosFragAmbient(color.rgb, amblit);
-	color.a   = final_alpha;
+    color.rgb = atmosFragAmbient(color.rgb, amblit);
+    color.a   = final_alpha;
 
-	float ambient = abs(final_da);
-	ambient *= 0.5;
-	ambient *= ambient;
-	ambient = (1.0-ambient);
+    float ambient = abs(final_da);
+    ambient *= 0.5;
+    ambient *= ambient;
+    ambient = (1.0-ambient);
 
-	color.rgb *= ambient;
-	color.rgb += atmosFragAffectDirectionalLight(final_da, sunlit);
-	color.rgb *= gamma_diff.rgb;
+    color.rgb *= ambient;
+    color.rgb += (final_da * sunlit);
+    color.rgb *= diff.rgb;
 
-	//color.rgb = mix(diff.rgb, color.rgb, final_alpha);
-	
-	color.rgb = atmosFragLighting(color.rgb, additive, atten);
-	color.rgb = scaleSoftClip(color.rgb);
+    //color.rgb = mix(diff.rgb, color.rgb, final_alpha);
+    
+    color.rgb = atmosFragLighting(color.rgb, additive, atten);
+    color.rgb = scaleSoftClip(color.rgb);
 
-	vec4 light = vec4(0,0,0,0);
+    vec4 light = vec4(0,0,0,0);
 
-	color.rgb = srgb_to_linear(color.rgb);
-	
    #define LIGHT_LOOP(i) light.rgb += calcPointLightOrSpotLight(light_diffuse[i].rgb, diff.rgb, pos.xyz, norm, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z);
 
-	LIGHT_LOOP(1)
-	LIGHT_LOOP(2)
-	LIGHT_LOOP(3)
-	LIGHT_LOOP(4)
-	LIGHT_LOOP(5)
-	LIGHT_LOOP(6)
-	LIGHT_LOOP(7)
-
-	// keep it linear
-	//
-	color.rgb += light.rgb;
+    LIGHT_LOOP(1)
+    LIGHT_LOOP(2)
+    LIGHT_LOOP(3)
+    LIGHT_LOOP(4)
+    LIGHT_LOOP(5)
+    LIGHT_LOOP(6)
+    LIGHT_LOOP(7)
 
-	// straight to display gamma, we're post-deferred
-	//
-	color.rgb = linear_to_srgb(color.rgb);
+    // keep it linear
+    //
+    color.rgb += light.rgb;
 
 #ifdef WATER_FOG
-	color = applyWaterFogView(pos.xyz, color);
+    color = applyWaterFogView(pos.xyz, color);
 #endif
 #endif
 
-	frag_color = color;
+    frag_color = color;
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl
new file mode 100644
index 0000000000..3bb59dd7f9
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/aoUtil.glsl
@@ -0,0 +1,93 @@
+/** 
+ * @file class1/deferred/aoUtil.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+uniform sampler2D       noiseMap;
+
+uniform float ssao_radius;
+uniform float ssao_max_radius;
+uniform float ssao_factor;
+uniform float ssao_factor_inv;
+
+vec4 getPosition(vec2 pos_screen);
+
+vec2 getKern(int i)
+{
+    vec2 kern[8];
+    // exponentially (^2) distant occlusion samples spread around origin
+    kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
+    kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
+    kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
+    kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
+    kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
+    kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
+    kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
+    kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
+       
+    return kern[i];
+}
+
+//calculate decreases in ambient lighting when crowded out (SSAO)
+float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen)
+{
+    float ret = 1.0;
+    vec3 pos_world = pos.xyz;
+    vec2 noise_reflect = texture2D(noiseMap, pos_screen.xy/128.0).xy;
+        
+    float angle_hidden = 0.0;
+    float points = 0;
+        
+    float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
+    
+    // it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?)
+    for (int i = 0; i < 8; i++)
+    {
+        vec2 samppos_screen = pos_screen + scale * reflect(getKern(i), noise_reflect);
+        vec3 samppos_world = getPosition(samppos_screen).xyz; 
+        
+        vec3 diff = pos_world - samppos_world;
+        float dist2 = dot(diff, diff);
+            
+        // assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
+        // --> solid angle shrinking by the square of distance
+        //radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
+        //(k should vary inversely with # of samples, but this is taken care of later)
+        
+        float funky_val = (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) ? 1.0 : 0.0;
+        angle_hidden = angle_hidden + funky_val * min(1.0/dist2, ssao_factor_inv);
+            
+        // 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
+        float diffz_val = (diff.z > -1.0) ? 1.0 : 0.0;
+        points = points + diffz_val;
+    }
+        
+    angle_hidden = min(ssao_factor*angle_hidden/points, 1.0);
+    
+    float points_val = (points > 0.0) ? 1.0 : 0.0;
+    ret = (1.0 - (points_val * angle_hidden));
+
+    ret = max(ret, 0.0);
+    return min(ret, 1.0);
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
index b56abb66d1..868eec3926 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
@@ -48,82 +48,69 @@ VARYING vec2 vary_fragcoord;
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
 
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).r;
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
-
+vec4 getPosition(vec2 pos_screen);
+vec3 getNorm(vec2 pos_screen);
 vec3 decode_normal (vec2 enc);
 
 void main() 
 {
     vec2 tc = vary_fragcoord.xy;
-	vec3 norm = texture2DRect(normalMap, tc).xyz;
-	norm = decode_normal(norm.xy); // unpack norm
-
-	vec3 pos = getPosition(tc).xyz;
-	vec4 ccol = texture2DRect(lightMap, tc).rgba;
-	
-	vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy);
-	dlt /= max(-pos.z*dist_factor, 1.0);
-	
-	vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free'
-	vec4 col = defined_weight.xyxx * ccol;
-
-	// relax tolerance according to distance to avoid speckling artifacts, as angles and distances are a lot more abrupt within a small screen area at larger distances
-	float pointplanedist_tolerance_pow2 = pos.z*pos.z*0.00005;
-
-	// perturb sampling origin slightly in screen-space to hide edge-ghosting artifacts where smoothing radius is quite large
-	float tc_mod = 0.5*(tc.x + tc.y); // mod(tc.x+tc.y,2)
-	tc_mod -= floor(tc_mod);
-	tc_mod *= 2.0;
-	tc += ( (tc_mod - 0.5) * kern[1].z * dlt * 0.5 );
-
-	for (int i = 1; i < 4; i++)
-	{
-		vec2 samptc = tc + kern[i].z*dlt;
-	    vec3 samppos = getPosition(samptc).xyz; 
-
-		float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
-		
-		if (d*d <= pointplanedist_tolerance_pow2)
-		{
-			col += texture2DRect(lightMap, samptc)*kern[i].xyxx;
-			defined_weight += kern[i].xy;
-		}
-	}
-
-	for (int i = 1; i < 4; i++)
-	{
-		vec2 samptc = tc - kern[i].z*dlt;
-	    vec3 samppos = getPosition(samptc).xyz; 
-
-		float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
-		
-		if (d*d <= pointplanedist_tolerance_pow2)
-		{
-			col += texture2DRect(lightMap, samptc)*kern[i].xyxx;
-			defined_weight += kern[i].xy;
-		}
-	}
-
-	col /= defined_weight.xyxx;
-	col.y *= col.y;
-	
-	frag_color = col;
+    vec3 norm = getNorm(tc);
+    vec3 pos = getPosition(tc).xyz;
+    vec4 ccol = texture2DRect(lightMap, tc).rgba;
+    
+    vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy);
+    dlt /= max(-pos.z*dist_factor, 1.0);
+    
+    vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free'
+    vec4 col = defined_weight.xyxx * ccol;
+
+    // relax tolerance according to distance to avoid speckling artifacts, as angles and distances are a lot more abrupt within a small screen area at larger distances
+    float pointplanedist_tolerance_pow2 = pos.z*pos.z*0.00005;
+
+    // perturb sampling origin slightly in screen-space to hide edge-ghosting artifacts where smoothing radius is quite large
+    float tc_mod = 0.5*(tc.x + tc.y); // mod(tc.x+tc.y,2)
+    tc_mod -= floor(tc_mod);
+    tc_mod *= 2.0;
+    tc += ( (tc_mod - 0.5) * kern[1].z * dlt * 0.5 );
+
+    for (int i = 1; i < 4; i++)
+    {
+        vec2 samptc = tc + kern[i].z*dlt;
+        vec3 samppos = getPosition(samptc).xyz; 
+
+        float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
+        
+        if (d*d <= pointplanedist_tolerance_pow2)
+        {
+            col += texture2DRect(lightMap, samptc)*kern[i].xyxx;
+            defined_weight += kern[i].xy;
+        }
+    }
+
+    for (int i = 1; i < 4; i++)
+    {
+        vec2 samptc = tc - kern[i].z*dlt;
+        vec3 samppos = getPosition(samptc).xyz; 
+
+        float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
+        
+        if (d*d <= pointplanedist_tolerance_pow2)
+        {
+            col += texture2DRect(lightMap, samptc)*kern[i].xyxx;
+            defined_weight += kern[i].xy;
+        }
+    }
+
+    col /= defined_weight.xyxx;
+    col.y *= col.y;
+    
+    frag_color = col;
 
 #ifdef IS_AMD_CARD
-	// If it's AMD make sure the GLSL compiler sees the arrays referenced once by static index. Otherwise it seems to optimise the storage awawy which leads to unfun crashes and artifacts.
-	vec3 dummy1 = kern[0];
-	vec3 dummy2 = kern[3];
+    // If it's AMD make sure the GLSL compiler sees the arrays referenced once by static index. Otherwise it seems to optimise the storage awawy which leads to unfun crashes and artifacts.
+    vec3 dummy1 = kern[0];
+    vec3 dummy2 = kern[3];
 #endif
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl
index ec05dab57f..9d7a7f6556 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/deferredUtil.glsl
@@ -25,29 +25,6 @@
 
 uniform sampler2DRect   normalMap;
 uniform sampler2DRect   depthMap;
-uniform sampler2D       noiseMap;
-uniform sampler2DShadow shadowMap0;
-uniform sampler2DShadow shadowMap1;
-uniform sampler2DShadow shadowMap2;
-uniform sampler2DShadow shadowMap3;
-uniform sampler2DShadow shadowMap4;
-uniform sampler2DShadow shadowMap5;
-
-uniform float ssao_radius;
-uniform float ssao_max_radius;
-uniform float ssao_factor;
-uniform float ssao_factor_inv;
-
-uniform vec3 sun_dir;
-uniform vec3 moon_dir;
-uniform vec2 shadow_res;
-uniform vec2 proj_shadow_res;
-uniform mat4 shadow_matrix[6];
-uniform vec4 shadow_clip;
-uniform float shadow_bias;
-
-uniform float spot_shadow_bias;
-uniform float spot_shadow_offset;
 
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
@@ -87,8 +64,6 @@ vec4 getPosition(vec2 pos_screen)
     return pos;
 }
 
-#if USE_DEFERRED_SHADER_API
-
 vec4 getPositionWithDepth(vec2 pos_screen, float depth)
 {
     vec2 sc = getScreenCoordinate(pos_screen);
@@ -98,200 +73,3 @@ vec4 getPositionWithDepth(vec2 pos_screen, float depth)
     pos.w = 1.0;
     return pos;
 }
-
-float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen)
-{
-    stc.xyz /= stc.w;
-    stc.z += shadow_bias * bias_scale;
-        
-    stc.x = floor(stc.x*pos_screen.x + fract(stc.y*shadow_res.y*12345))/shadow_res.x; // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here
-    
-    float cs = shadow2D(shadowMap, stc.xyz).x;
-    float shadow = cs;
-    shadow += shadow2D(shadowMap, stc.xyz+vec3(2.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x;
-    shadow += shadow2D(shadowMap, stc.xyz+vec3(1.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x;
-    shadow += shadow2D(shadowMap, stc.xyz+vec3(-1.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x;
-    shadow += shadow2D(shadowMap, stc.xyz+vec3(-2.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x;
-    return shadow*0.2;
-}
-
-float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen)
-{
-    stc.xyz /= stc.w;
-    stc.z += spot_shadow_bias * bias_scale;
-    stc.x = floor(proj_shadow_res.x * stc.x + fract(pos_screen.y*0.666666666)) / proj_shadow_res.x; // snap
-
-    float cs = shadow2D(shadowMap, stc.xyz).x;
-    float shadow = cs;
-
-    vec2 off = 1.0/proj_shadow_res;
-    off.y *= 1.5;
-    
-    shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x*2.0, off.y, 0.0)).x;
-    shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x;
-    shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x;
-    shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x*2.0, -off.y, 0.0)).x;
-    return shadow*0.2;
-}
-
-float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen)
-{
-    float dp_sun = max(0.0, dot(sun_dir.xyz, norm));
-    float dp_moon = max(0.0, dot(moon_dir.xyz, norm));
-    float dp_directional_light = max(dp_sun,dp_moon);
-          dp_directional_light = clamp(dp_directional_light, 0.0, 1.0);
-
-        vec3 light_dir = (dp_moon > dp_sun) ? moon_dir : sun_dir;
-    vec3 offset = light_dir * (1.0-dp_directional_light);
-    vec3 shadow_pos = pos.xyz + (offset * shadow_bias);
-
-    float shadow = 0.0f;
-    vec4 spos = vec4(shadow_pos,1.0);
-    if (spos.z > -shadow_clip.w)
-    {   
-        vec4 lpos;
-        vec4 near_split = shadow_clip*-0.75;
-        vec4 far_split = shadow_clip*-1.25;
-        vec4 transition_domain = near_split-far_split;
-        float weight = 0.0;
-
-        if (spos.z < near_split.z)
-        {
-            lpos = shadow_matrix[3]*spos;
-            
-            float w = 1.0;
-            w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
-            shadow += pcfShadow(shadowMap3, lpos, 0.5, pos_screen)*w;
-            weight += w;
-            shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
-        }
-
-        if (spos.z < near_split.y && spos.z > far_split.z)
-        {
-            lpos = shadow_matrix[2]*spos;
-            
-            float w = 1.0;
-            w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
-            w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
-            shadow += pcfShadow(shadowMap2, lpos, 0.75, pos_screen)*w;
-            weight += w;
-        }
-
-        if (spos.z < near_split.x && spos.z > far_split.y)
-        {
-            lpos = shadow_matrix[1]*spos;
-            
-            float w = 1.0;
-            w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
-            w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
-            shadow += pcfShadow(shadowMap1, lpos, 0.88, pos_screen)*w;
-            weight += w;
-        }
-
-        if (spos.z > far_split.x)
-        {
-            lpos = shadow_matrix[0]*spos;
-                            
-            float w = 1.0;
-            w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
-                
-            shadow += pcfShadow(shadowMap0, lpos, 1.0, pos_screen)*w;
-            weight += w;
-        }
-
-        shadow /= weight;
-    }
-    return shadow;
-}
-
-float sampleSpotShadow(vec3 pos, vec3 norm, int index, vec2 pos_screen)
-{
-    float shadow = 0.0f;
-    pos += norm * spot_shadow_offset;
-
-    vec4 spos = vec4(pos,1.0);
-    if (spos.z > -shadow_clip.w)
-    {   
-        vec4 lpos;
-        
-        vec4 near_split = shadow_clip*-0.75;
-        vec4 far_split = shadow_clip*-1.25;
-        vec4 transition_domain = near_split-far_split;
-        float weight = 0.0;
-
-        {
-            lpos = shadow_matrix[4 + index]*spos;
-            float w = 1.0;
-            w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
-        
-            shadow += pcfSpotShadow((index == 0) ? shadowMap4 : shadowMap5, lpos, 0.8, spos.xy)*w;
-            weight += w;
-            shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
-        }
-
-        shadow /= weight;
-    }
-    return shadow;
-}
-
-vec2 getKern(int i)
-{
-    vec2 kern[8];
-    // exponentially (^2) distant occlusion samples spread around origin
-    kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
-    kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
-    kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
-    kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
-    kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
-    kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
-    kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
-    kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
-       
-    return kern[i];
-}
-
-//calculate decreases in ambient lighting when crowded out (SSAO)
-float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen)
-{
-    float ret = 1.0;
-    vec3 pos_world = pos.xyz;
-    vec2 noise_reflect = texture2D(noiseMap, pos_screen.xy/128.0).xy;
-        
-    float angle_hidden = 0.0;
-    float points = 0;
-        
-    float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
-    
-    // it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?)
-    for (int i = 0; i < 8; i++)
-    {
-        vec2 samppos_screen = pos_screen + scale * reflect(getKern(i), noise_reflect);
-        vec3 samppos_world = getPosition(samppos_screen).xyz; 
-        
-        vec3 diff = pos_world - samppos_world;
-        float dist2 = dot(diff, diff);
-            
-        // assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
-        // --> solid angle shrinking by the square of distance
-        //radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
-        //(k should vary inversely with # of samples, but this is taken care of later)
-        
-        float funky_val = (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) ? 1.0 : 0.0;
-        angle_hidden = angle_hidden + funky_val * min(1.0/dist2, ssao_factor_inv);
-            
-        // 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
-        float diffz_val = (diff.z > -1.0) ? 1.0 : 0.0;
-        points = points + diffz_val;
-    }
-        
-    angle_hidden = min(ssao_factor*angle_hidden/points, 1.0);
-    
-    float points_val = (points > 0.0) ? 1.0 : 0.0;
-    ret = (1.0 - (points_val * angle_hidden));
-
-    ret = max(ret, 0.0);
-    return min(ret, 1.0);
-}
-
-#endif
-
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
index 0e21e5925d..2db737a427 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
@@ -45,9 +45,6 @@ VARYING vec2 vary_texcoord0;
 vec4 applyWaterFogView(vec3 pos, vec4 color);
 #endif
 
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
-
 vec3 fullbrightAtmosTransportDeferred(vec3 light)
 {
 	return light;
@@ -81,12 +78,9 @@ void main()
 #endif
 
 	color.rgb *= vertex_color.rgb;
-	color.rgb = srgb_to_linear(color.rgb);
 	color.rgb = fullbrightAtmosTransportDeferred(color.rgb);
 	color.rgb = fullbrightScaleSoftClipDeferred(color.rgb);
 	
-	color.rgb = linear_to_srgb(color.rgb);
-
 #ifdef WATER_FOG
 	vec3 pos = vary_position;
 	vec4 fogged = applyWaterFogView(pos, vec4(color.rgb, final_alpha));
diff --git a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
index 6ba16b169c..d29e8a9423 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
@@ -40,8 +40,6 @@ uniform sampler2D specularMap;
 
 VARYING vec2 vary_texcoord0;
 
-vec3 linear_to_srgb(vec3 cl);
-
 void main() 
 {
 	vec4 col = texture2D(diffuseMap, vary_texcoord0.xy);
@@ -54,8 +52,6 @@ void main()
 	vec4 norm = texture2D(normalMap,   vary_texcoord0.xy);
 	vec4 spec = texture2D(specularMap, vary_texcoord0.xy);
 
-	col.rgb = linear_to_srgb(col.rgb);
-
 	frag_data[0] = vec4(col.rgb, 0.0);
 	frag_data[1] = spec;
 	frag_data[2] = vec4(norm.xy,0,0);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
index 7d5ae7c2e7..a0da8563a2 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -25,9 +25,9 @@
  
 /*[EXTRA_CODE_HERE]*/
 
-#define DIFFUSE_ALPHA_MODE_IGNORE	0
-#define DIFFUSE_ALPHA_MODE_BLEND	1
-#define DIFFUSE_ALPHA_MODE_MASK		2
+#define DIFFUSE_ALPHA_MODE_IGNORE   0
+#define DIFFUSE_ALPHA_MODE_BLEND    1
+#define DIFFUSE_ALPHA_MODE_MASK     2
 #define DIFFUSE_ALPHA_MODE_EMISSIVE 3
 
 uniform float emissive_brightness;
@@ -37,10 +37,6 @@ uniform float display_gamma;
 vec4 applyWaterFogView(vec3 pos, vec4 color);
 #endif
 
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
-
-vec3 atmosFragAmbient(vec3 l, vec3 ambient);
 vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
 vec3 scaleSoftClipFrag(vec3 l);
 
@@ -66,7 +62,7 @@ uniform vec4 shadow_clip;
 uniform vec2 shadow_res;
 uniform float shadow_bias;
 
-float pcfShadow(sampler2DShadow shadowMap, vec4 stc)
+float pcfShadowLegacy(sampler2DShadow shadowMap, vec4 stc)
 {
 	stc.xyz /= stc.w;
 	stc.z += shadow_bias;
@@ -84,10 +80,11 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc)
     return shadow*0.2;
 }
 
+float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen);
 #endif
 
 uniform samplerCube environmentMap;
-uniform sampler2D	  lightFunc;
+uniform sampler2D     lightFunc;
 
 // Inputs
 uniform vec4 morphFactor;
@@ -113,80 +110,80 @@ uniform vec3 light_diffuse[8];
 
 vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spec, vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight, inout float glare)
 {
-	//get light vector
-	vec3 lv = lp.xyz-v;
-	
-	//get distance
-	float d = length(lv);
-	
-	float da = 1.0;
-
-	vec3 col = vec3(0,0,0);
-
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
-	{
-		//normalize light vector
-		lv = normalize(lv);
-	
-		//distance attenuation
-		float dist = d/la;
-		float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
-		dist_atten *= dist_atten;
-		dist_atten *= 2.0;
-
-		// spotlight coefficient.
-		float spot = max(dot(-ln, lv), is_pointlight);
-		da *= spot*spot; // GL_SPOT_EXPONENT=2
-
-		//angular attenuation
-		da *= max(dot(n, lv), 0.0);		
-		
-		float lit = max(da * dist_atten, 0.0);
-
-		col = light_col*lit*diffuse;
-
-		if (spec.a > 0.0)
-		{
-			//vec3 ref = dot(pos+lv, norm);
-			vec3 h = normalize(lv+npos);
-			float nh = dot(n, h);
-			float nv = dot(n, npos);
-			float vh = dot(npos, h);
-			float sa = nh;
-			float fres = pow(1 - dot(h, npos), 5)*0.4+0.5;
-
-			float gtdenom = 2 * nh;
-			float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh));
-								
-			if (nh > 0.0)
-			{
-				float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
-				vec3 speccol = lit*scol*light_col.rgb*spec.rgb;
-				col += speccol;
-
-				float cur_glare = max(speccol.r, speccol.g);
-				cur_glare = max(cur_glare, speccol.b);
-				glare = max(glare, speccol.r);
-				glare += max(cur_glare, 0.0);
-				//col += spec.rgb;
-			}
-		}
-	}
-
-	return max(col, vec3(0.0,0.0,0.0));	
+    //get light vector
+    vec3 lv = lp.xyz-v;
+    
+    //get distance
+    float d = length(lv);
+    
+    float da = 1.0;
+
+    vec3 col = vec3(0,0,0);
+
+    if (d > 0.0 && la > 0.0 && fa > 0.0)
+    {
+        //normalize light vector
+        lv = normalize(lv);
+    
+        //distance attenuation
+        float dist = d/la;
+        float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
+        dist_atten *= dist_atten;
+        dist_atten *= 2.0;
+
+        // spotlight coefficient.
+        float spot = max(dot(-ln, lv), is_pointlight);
+        da *= spot*spot; // GL_SPOT_EXPONENT=2
+
+        //angular attenuation
+        da *= max(dot(n, lv), 0.0);     
+        
+        float lit = max(da * dist_atten, 0.0);
+
+        col = light_col*lit*diffuse;
+
+        if (spec.a > 0.0)
+        {
+            //vec3 ref = dot(pos+lv, norm);
+            vec3 h = normalize(lv+npos);
+            float nh = dot(n, h);
+            float nv = dot(n, npos);
+            float vh = dot(npos, h);
+            float sa = nh;
+            float fres = pow(1 - dot(h, npos), 5)*0.4+0.5;
+
+            float gtdenom = 2 * nh;
+            float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh));
+                                
+            if (nh > 0.0)
+            {
+                float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
+                vec3 speccol = lit*scol*light_col.rgb*spec.rgb;
+                col += speccol;
+
+                float cur_glare = max(speccol.r, speccol.g);
+                cur_glare = max(cur_glare, speccol.b);
+                glare = max(glare, speccol.r);
+                glare += max(cur_glare, 0.0);
+                //col += spec.rgb;
+            }
+        }
+    }
+
+    return max(col, vec3(0.0,0.0,0.0)); 
 
 }
 
 vec4 getPosition_d(vec2 pos_screen, float depth)
 {
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
+    vec2 sc = pos_screen.xy*2.0;
+    sc /= screen_res;
+    sc -= vec2(1.0,1.0);
+    vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
+    vec4 pos = inv_proj * ndc;
+    pos /= pos.w;
+    pos.w = 1.0;
+    return pos;
 }
 
 
@@ -234,262 +231,255 @@ vec3 decode_normal (vec2 enc);
 
 void main() 
 {
-	vec4 diffcol = texture2D(diffuseMap, vary_texcoord0.xy);
-	diffcol.rgb *= vertex_color.rgb;
+    vec2 pos_screen = vary_texcoord0.xy;
+
+    vec4 diffcol = texture2D(diffuseMap, vary_texcoord0.xy);
+    diffcol.rgb *= vertex_color.rgb;
 
 #if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_MASK)
-	if (diffcol.a < minimum_alpha)
-	{
-		discard;
-	}
+    if (diffcol.a < minimum_alpha)
+    {
+        discard;
+    }
 #endif
 
 #if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND)
-	vec3 gamma_diff = diffcol.rgb;
-	diffcol.rgb = srgb_to_linear(diffcol.rgb);
+    vec3 gamma_diff = diffcol.rgb;
 #endif
 
 #if HAS_SPECULAR_MAP
-	vec4 spec = texture2D(specularMap, vary_texcoord2.xy);
-	spec.rgb *= specular_color.rgb;
+    vec4 spec = texture2D(specularMap, vary_texcoord2.xy);
+    spec.rgb *= specular_color.rgb;
 #else
-	vec4 spec = vec4(specular_color.rgb, 1.0);
+    vec4 spec = vec4(specular_color.rgb, 1.0);
 #endif
 
 #if HAS_NORMAL_MAP
-	vec4 norm = texture2D(bumpMap, vary_texcoord1.xy);
+    vec4 norm = texture2D(bumpMap, vary_texcoord1.xy);
 
-	norm.xyz = norm.xyz * 2 - 1;
+    norm.xyz = norm.xyz * 2 - 1;
 
-	vec3 tnorm = vec3(dot(norm.xyz,vary_mat0),
-			  dot(norm.xyz,vary_mat1),
-			  dot(norm.xyz,vary_mat2));
+    vec3 tnorm = vec3(dot(norm.xyz,vary_mat0),
+              dot(norm.xyz,vary_mat1),
+              dot(norm.xyz,vary_mat2));
 #else
-	vec4 norm = vec4(0,0,0,1.0);
-	vec3 tnorm = vary_normal;
+    vec4 norm = vec4(0,0,0,1.0);
+    vec3 tnorm = vary_normal;
 #endif
 
     norm.xyz = tnorm;
     norm.xyz = normalize(norm.xyz);
 
-	vec2 abnormal	= encode_normal(norm.xyz);
-		 norm.xyz   = decode_normal(abnormal.xy);
+    vec2 abnormal   = encode_normal(norm.xyz);
+         norm.xyz   = decode_normal(abnormal.xy);
 
-	vec4 final_color = diffcol;
-	
+    vec4 final_color = diffcol;
+    
 #if (DIFFUSE_ALPHA_MODE != DIFFUSE_ALPHA_MODE_EMISSIVE)
-	final_color.a = emissive_brightness;
+    final_color.a = emissive_brightness;
 #else
-	final_color.a = max(final_color.a, emissive_brightness);
+    final_color.a = max(final_color.a, emissive_brightness);
 #endif
 
-	vec4 final_specular = spec;
+    vec4 final_specular = spec;
 #if HAS_SPECULAR_MAP
-	vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity * spec.a, 0.0);
-	final_specular.a = specular_color.a * norm.a;
+    vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity * spec.a, 0.0);
+    final_specular.a = specular_color.a * norm.a;
 #else
-	vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity, 0.0);
-	final_specular.a = specular_color.a;
+    vec4 final_normal = vec4(encode_normal(normalize(tnorm)), env_intensity, 0.0);
+    final_specular.a = specular_color.a;
 #endif
-	
+    
 
 #if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND)
-		//forward rendering, output just lit RGBA
-	vec3 pos = vary_position;
+        //forward rendering, output just lit RGBA
+    vec3 pos = vary_position;
 
 #if HAS_SUN_SHADOW
-	float shadow = 0.0;
-	
-	vec4 spos = vec4(pos,1.0);
-		
-	if (spos.z > -shadow_clip.w)
-	{	
-		vec4 lpos;
-		
-		vec4 near_split = shadow_clip*-0.75;
-		vec4 far_split = shadow_clip*-1.25;
-		vec4 transition_domain = near_split-far_split;
-		float weight = 0.0;
-
-		if (spos.z < near_split.z)
-		{
-			lpos = shadow_matrix[3]*spos;
-			
-			float w = 1.0;
-			w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
-			shadow += pcfShadow(shadowMap3, lpos)*w;
-			weight += w;
-			shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
-		}
-
-		if (spos.z < near_split.y && spos.z > far_split.z)
-		{
-			lpos = shadow_matrix[2]*spos;
-			
-			float w = 1.0;
-			w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
-			w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
-			shadow += pcfShadow(shadowMap2, lpos)*w;
-			weight += w;
-		}
-
-		if (spos.z < near_split.x && spos.z > far_split.y)
-		{
-			lpos = shadow_matrix[1]*spos;
-			
-			float w = 1.0;
-			w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
-			w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
-			shadow += pcfShadow(shadowMap1, lpos)*w;
-			weight += w;
-		}
-
-		if (spos.z > far_split.x)
-		{
-			lpos = shadow_matrix[0]*spos;
-							
-			float w = 1.0;
-			w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
-				
-			shadow += pcfShadow(shadowMap0, lpos)*w;
-			weight += w;
-		}
-		
-
-		shadow /= weight;
-	}
-	else
-	{
-		shadow = 1.0;
-	}
+    float shadow = 0.0;
+    
+    vec4 spos = vec4(pos,1.0);
+        
+    if (spos.z > -shadow_clip.w)
+    {   
+        vec4 lpos;
+        
+        vec4 near_split = shadow_clip*-0.75;
+        vec4 far_split = shadow_clip*-1.25;
+        vec4 transition_domain = near_split-far_split;
+        float weight = 0.0;
+
+        if (spos.z < near_split.z)
+        {
+            lpos = shadow_matrix[3]*spos;
+            
+            float w = 1.0;
+            w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
+            shadow += pcfShadowLegacy(shadowMap3, lpos)*w;
+            weight += w;
+            shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
+        }
+
+        if (spos.z < near_split.y && spos.z > far_split.z)
+        {
+            lpos = shadow_matrix[2]*spos;
+            
+            float w = 1.0;
+            w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
+            w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
+            shadow += pcfShadowLegacy(shadowMap2, lpos)*w;
+            weight += w;
+        }
+
+        if (spos.z < near_split.x && spos.z > far_split.y)
+        {
+            lpos = shadow_matrix[1]*spos;
+            
+            float w = 1.0;
+            w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
+            w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
+            shadow += pcfShadowLegacy(shadowMap1, lpos)*w;
+            weight += w;
+        }
+
+        if (spos.z > far_split.x)
+        {
+            lpos = shadow_matrix[0]*spos;
+                            
+            float w = 1.0;
+            w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
+                
+            shadow += pcfShadowLegacy(shadowMap0, lpos)*w;
+            weight += w;
+        }
+        
+
+        shadow /= weight;
+    }
+    else
+    {
+        shadow = 1.0;
+    }
 #else
-	float shadow = 1.0;
+    float shadow = 1.0;
 #endif
 
-	spec = final_specular;
-	vec4 diffuse = final_color;
-	float envIntensity = final_normal.z;
+    spec = final_specular;
+    vec4 diffuse = final_color;
+    float envIntensity = final_normal.z;
 
     vec3 col = vec3(0.0f,0.0f,0.0f);
 
-	float bloom = 0.0;
+    float bloom = 0.0;
         vec3 sunlit;
         vec3 amblit;
         vec3 additive;
         vec3 atten;
 
-	calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten);
-	
-	vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
+    calcFragAtmospherics(pos.xyz, 1.0, sunlit, amblit, additive, atten);
+    
+    vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
 
-	float sun_da  = dot(norm.xyz, sun_dir.xyz);
-	float moon_da = dot(norm.xyz, moon_dir.xyz);
+    float sun_da  = dot(norm.xyz, sun_dir.xyz);
+    float moon_da = dot(norm.xyz, moon_dir.xyz);
 
     float final_da = max(sun_da,moon_da);
           final_da = min(final_da, shadow);
           //final_da = max(final_da, diffuse.a);
           final_da = max(final_da, 0.0f);
-		  final_da = min(final_da, 1.0f);
-		  final_da = pow(final_da, 1.0/1.3);
+          final_da = min(final_da, 1.0f);
+          final_da = pow(final_da, display_gamma);
 
-	col.rgb = atmosFragAmbient(col, amblit);
-	
-	float ambient = min(abs(final_da), 1.0);
-	ambient *= 0.5;
-	ambient *= ambient;
-	ambient = (1.0-ambient);
+    col.rgb = (col * 0.5) + amblit;
+    
+    float ambient = min(abs(final_da), 1.0);
+    ambient *= 0.5;
+    ambient *= ambient;
+    ambient = (1.0-ambient);
 
-	col.rgb *= ambient;
+    col.rgb *= ambient;
 
-	col.rgb = col.rgb + (final_da * sunlit);
+    col.rgb = col.rgb + (final_da * sunlit);
 
-	col.rgb *= gamma_diff.rgb;
-	
+    col.rgb *= gamma_diff.rgb;
+    
 
-	float glare = 0.0;
+    float glare = 0.0;
 
-	if (spec.a > 0.0) // specular reflection
-	{
-		// the old infinite-sky shiny reflection
-		//
-				
+    if (spec.a > 0.0) // specular reflection
+    {
+        // the old infinite-sky shiny reflection
+        //
+                
         float sa = dot(refnormpersp, sun_dir.xyz);
 
-		vec3 dumbshiny = sunlit*shadow*(texture2D(lightFunc, vec2(sa, spec.a)).r);
-							
-		// add the two types of shiny together
-		vec3 spec_contrib = dumbshiny * spec.rgb;
-		bloom = dot(spec_contrib, spec_contrib) / 6;
-
-		glare = max(spec_contrib.r, spec_contrib.g);
-		glare = max(glare, spec_contrib.b);
+        vec3 dumbshiny = sunlit*shadow*(texture2D(lightFunc, vec2(sa, spec.a)).r);
+                            
+        // add the two types of shiny together
+        vec3 spec_contrib = dumbshiny * spec.rgb;
+        bloom = dot(spec_contrib, spec_contrib) / 6;
 
-		col += spec_contrib;
-	}
+        glare = max(spec_contrib.r, spec_contrib.g);
+        glare = max(glare, spec_contrib.b);
 
+        col += spec_contrib;
+    }
 
-	col = mix(col.rgb, diffcol.rgb, diffuse.a);
-
-	if (envIntensity > 0.0)
-	{
-		//add environmentmap
-		vec3 env_vec = env_mat * refnormpersp;
-		
-		vec3 refcol = textureCube(environmentMap, env_vec).rgb;
 
-		col = mix(col.rgb, refcol, 
-			envIntensity);  
+    col = mix(col.rgb, diffcol.rgb, diffuse.a);
 
-		float cur_glare = max(refcol.r, refcol.g);
-		cur_glare = max(cur_glare, refcol.b);
-		cur_glare *= envIntensity*4.0;
-		glare += cur_glare;
-	}
+    if (envIntensity > 0.0)
+    {
+        //add environmentmap
+        vec3 env_vec = env_mat * refnormpersp;
+        
+        vec3 refcol = textureCube(environmentMap, env_vec).rgb;
 
-	//col = mix(atmosLighting(col), fullbrightAtmosTransport(col), diffuse.a);
-	//col = mix(scaleSoftClip(col), fullbrightScaleSoftClip(col),  diffuse.a);
+        col = mix(col.rgb, refcol, 
+            envIntensity);  
 
-	col = atmosFragLighting(col, additive, atten);
-	col = scaleSoftClipFrag(col);
+        float cur_glare = max(refcol.r, refcol.g);
+        cur_glare = max(cur_glare, refcol.b);
+        cur_glare *= envIntensity*4.0;
+        glare += cur_glare;
+    }
 
-	//convert to linear space before adding local lights
-	col = srgb_to_linear(col);
+    col = atmosFragLighting(col, additive, atten);
 
-	vec3 npos = normalize(-pos.xyz);
-			
-	vec3 light = vec3(0,0,0);
+    vec3 npos = normalize(-pos.xyz);
+            
+    vec3 light = vec3(0,0,0);
 
  #define LIGHT_LOOP(i) light.rgb += calcPointLightOrSpotLight(light_diffuse[i].rgb, npos, diffuse.rgb, final_specular, pos.xyz, norm.xyz, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z, glare);
 
-		LIGHT_LOOP(1)
-		LIGHT_LOOP(2)
-		LIGHT_LOOP(3)
-		LIGHT_LOOP(4)
-		LIGHT_LOOP(5)
-		LIGHT_LOOP(6)
-		LIGHT_LOOP(7)
+        LIGHT_LOOP(1)
+        LIGHT_LOOP(2)
+        LIGHT_LOOP(3)
+        LIGHT_LOOP(4)
+        LIGHT_LOOP(5)
+        LIGHT_LOOP(6)
+        LIGHT_LOOP(7)
 
-	col.rgb += light.rgb;
+    col.rgb += light.rgb;
 
-	glare = min(glare, 1.0);
-	float al = max(diffcol.a,glare)*vertex_color.a;
+    glare = min(glare, 1.0);
+    float al = max(diffcol.a,glare)*vertex_color.a;
 
-	//convert to gamma space for display on screen
-	col.rgb = linear_to_srgb(col.rgb);
+    col = scaleSoftClipFrag(col);
 
 #ifdef WATER_FOG
-	vec4 temp = applyWaterFogView(pos, vec4(col.rgb, al));
-	col.rgb = temp.rgb;
-	al = temp.a;
+    vec4 temp = applyWaterFogView(pos, vec4(col.rgb, al));
+    col.rgb = temp.rgb;
+    al = temp.a;
 #endif
 
-	frag_color.rgb = col.rgb;
-	frag_color.a   = al;
+    frag_color.rgb = col.rgb;
+    frag_color.a   = al;
 
 #else
-	frag_data[0] = final_color;
-	frag_data[1] = final_specular; // XYZ = Specular color. W = Specular exponent.
-	frag_data[2] = final_normal; // XY = Normal.  Z = Env. intensity.
+    frag_data[0] = final_color;
+    frag_data[1] = final_specular; // XYZ = Specular color. W = Specular exponent.
+    frag_data[2] = final_normal; // XY = Normal.  Z = Env. intensity.
 #endif
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
index d1ac19270d..e8eef9b94b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
@@ -59,18 +59,7 @@ uniform mat4 inv_proj;
 
 vec3 decode_normal (vec2 enc);
 
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).r;
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
+vec4 getPosition(vec2 pos_screen);
 
 void main() 
 {
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
index 1d75322b4c..7438fac8fc 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
@@ -73,13 +73,10 @@ uniform vec2 screen_res;
 uniform mat4 inv_proj;
 
 vec3 decode_normal (vec2 enc);
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
 
 vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret.rgb = srgb_to_linear(ret.rgb);
 	
 	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
 	
@@ -99,7 +96,6 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret.rgb = srgb_to_linear(ret.rgb);
 	
 	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
 	
@@ -117,7 +113,6 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret.rgb = srgb_to_linear(ret.rgb);
 	
 	vec2 dist = tc-vec2(0.5);
 	
@@ -128,19 +123,7 @@ vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
 	return ret;
 }
 
-
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).r;
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
+vec4 getPosition(vec2 pos_screen);
 
 void main() 
 {
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
index 13b803e03e..8e756c37bf 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
@@ -58,18 +58,7 @@ uniform vec4 viewport;
 
 vec3 decode_normal (vec2 enc);
 
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).r;
-	vec2 sc = (pos_screen.xy-viewport.xy)*2.0;
-	sc /= viewport.zw;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
+vec4 getPosition(vec2 pos_screen);
 
 void main() 
 {
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
index 8791469675..0b943d2527 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredGammaCorrect.glsl
@@ -40,12 +40,10 @@ VARYING vec2 vary_fragcoord;
 
 uniform float display_gamma;
 
-vec3 linear_to_srgb(vec3 cl);
-
 void main() 
 {
-	vec4 diff = texture2DRect(diffuseRect, vary_fragcoord);
+    vec4 diff = texture2DRect(diffuseRect, vary_fragcoord);
     diff.rgb = pow(diff.rgb, vec3(display_gamma));
-	frag_color = diff;
+    frag_color = diff;
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl
new file mode 100644
index 0000000000..ae5cb7cbc1
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowUtil.glsl
@@ -0,0 +1,191 @@
+/** 
+ * @file class1/deferred/shadowUtil.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+uniform sampler2DRect   normalMap;
+uniform sampler2DRect   depthMap;
+uniform sampler2D       noiseMap;
+uniform sampler2DShadow shadowMap0;
+uniform sampler2DShadow shadowMap1;
+uniform sampler2DShadow shadowMap2;
+uniform sampler2DShadow shadowMap3;
+uniform sampler2DShadow shadowMap4;
+uniform sampler2DShadow shadowMap5;
+
+uniform float ssao_radius;
+uniform float ssao_max_radius;
+uniform float ssao_factor;
+uniform float ssao_factor_inv;
+
+uniform vec3 sun_dir;
+uniform vec3 moon_dir;
+uniform vec2 shadow_res;
+uniform vec2 proj_shadow_res;
+uniform mat4 shadow_matrix[6];
+uniform vec4 shadow_clip;
+uniform float shadow_bias;
+
+uniform float spot_shadow_bias;
+uniform float spot_shadow_offset;
+
+uniform mat4 inv_proj;
+uniform vec2 screen_res;
+
+vec3 decode_normal(vec2 enc);
+
+float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen)
+{
+    stc.xyz /= stc.w;
+    stc.z += shadow_bias;
+        
+    stc.x = floor(stc.x*pos_screen.x + fract(stc.y*shadow_res.y*12345))/shadow_res.x; // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here
+    
+    float cs = shadow2D(shadowMap, stc.xyz).x;
+    float shadow = cs;
+    shadow += shadow2D(shadowMap, stc.xyz+vec3(2.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x;
+    shadow += shadow2D(shadowMap, stc.xyz+vec3(1.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x;
+    shadow += shadow2D(shadowMap, stc.xyz+vec3(-1.0/shadow_res.x, 1.5/shadow_res.y, 0.0)).x;
+    shadow += shadow2D(shadowMap, stc.xyz+vec3(-2.0/shadow_res.x, -1.5/shadow_res.y, 0.0)).x;
+    return shadow*0.2;
+}
+
+float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float bias_scale, vec2 pos_screen)
+{
+    stc.xyz /= stc.w;
+    stc.z += spot_shadow_bias * bias_scale;
+    stc.x = floor(proj_shadow_res.x * stc.x + fract(pos_screen.y*0.666666666)) / proj_shadow_res.x; // snap
+
+    float cs = shadow2D(shadowMap, stc.xyz).x;
+    float shadow = cs;
+
+    vec2 off = 1.0/proj_shadow_res;
+    off.y *= 1.5;
+    
+    shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x*2.0, off.y, 0.0)).x;
+    shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x;
+    shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x;
+    shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x*2.0, -off.y, 0.0)).x;
+    return shadow*0.2;
+}
+
+float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen)
+{
+    float dp_sun = max(0.0, dot(sun_dir.xyz, norm));
+    float dp_moon = max(0.0, dot(moon_dir.xyz, norm));
+    float dp_directional_light = max(dp_sun,dp_moon);
+          dp_directional_light = clamp(dp_directional_light, 0.0, 1.0);
+
+        vec3 light_dir = (dp_moon > dp_sun) ? moon_dir : sun_dir;
+    vec3 offset = light_dir * (1.0-dp_directional_light);
+    vec3 shadow_pos = pos.xyz + (offset * shadow_bias);
+
+    float shadow = 0.0f;
+    vec4 spos = vec4(shadow_pos,1.0);
+    if (spos.z > -shadow_clip.w)
+    {   
+        vec4 lpos;
+        vec4 near_split = shadow_clip*-0.75;
+        vec4 far_split = shadow_clip*-1.25;
+        vec4 transition_domain = near_split-far_split;
+        float weight = 0.0;
+
+        if (spos.z < near_split.z)
+        {
+            lpos = shadow_matrix[3]*spos;
+            
+            float w = 1.0;
+            w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
+            shadow += pcfShadow(shadowMap3, lpos, 0.5, pos_screen)*w;
+            weight += w;
+            shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
+        }
+
+        if (spos.z < near_split.y && spos.z > far_split.z)
+        {
+            lpos = shadow_matrix[2]*spos;
+            
+            float w = 1.0;
+            w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
+            w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
+            shadow += pcfShadow(shadowMap2, lpos, 0.75, pos_screen)*w;
+            weight += w;
+        }
+
+        if (spos.z < near_split.x && spos.z > far_split.y)
+        {
+            lpos = shadow_matrix[1]*spos;
+            
+            float w = 1.0;
+            w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
+            w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
+            shadow += pcfShadow(shadowMap1, lpos, 0.88, pos_screen)*w;
+            weight += w;
+        }
+
+        if (spos.z > far_split.x)
+        {
+            lpos = shadow_matrix[0]*spos;
+                            
+            float w = 1.0;
+            w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
+                
+            shadow += pcfShadow(shadowMap0, lpos, 1.0, pos_screen)*w;
+            weight += w;
+        }
+
+        shadow /= weight;
+    }
+    return shadow;
+}
+
+float sampleSpotShadow(vec3 pos, vec3 norm, int index, vec2 pos_screen)
+{
+    float shadow = 0.0f;
+    pos += norm * spot_shadow_offset;
+
+    vec4 spos = vec4(pos,1.0);
+    if (spos.z > -shadow_clip.w)
+    {   
+        vec4 lpos;
+        
+        vec4 near_split = shadow_clip*-0.75;
+        vec4 far_split = shadow_clip*-1.25;
+        vec4 transition_domain = near_split-far_split;
+        float weight = 0.0;
+
+        {
+            lpos = shadow_matrix[4 + index]*spos;
+            float w = 1.0;
+            w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
+        
+            shadow += pcfSpotShadow((index == 0) ? shadowMap4 : shadowMap5, lpos, 0.8, spos.xy)*w;
+            weight += w;
+            shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
+        }
+
+        shadow /= weight;
+    }
+    return shadow;
+}
+
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index 41eb06126b..0de38a3d62 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -66,10 +66,7 @@ uniform vec2 screen_res;
 vec4 applyWaterFogView(vec3 pos, vec4 color);
 #endif
 
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
 vec3 decode_normal (vec2 enc);
-
 vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
 vec3 fullbrightAtmosTransportFrag(vec3 l, vec3 additive, vec3 atten);
 void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten);
@@ -89,18 +86,14 @@ vec4 getPosition_d(vec2 pos_screen, float depth)
     return pos;
 }
 
-vec4 getPosition(vec2 pos_screen)
-{ //get position in screen space (world units) given window coordinate and depth map
-    float depth = texture2DRect(depthMap, pos_screen.xy).a;
-    return getPosition_d(pos_screen, depth);
-}
-
+vec4 getPositionWithDepth(vec2 pos_screen, float depth);
+vec4 getPosition(vec2 pos_screen);
 
 void main() 
 {
     vec2 tc = vary_fragcoord.xy;
     float depth = texture2DRect(depthMap, tc.xy).r;
-    vec3 pos = getPosition_d(tc, depth).xyz;
+    vec3 pos = getPositionWithDepth(tc, depth).xyz;
     vec4 norm = texture2DRect(normalMap, tc);
     float envIntensity = norm.z;
     norm.xyz = decode_normal(norm.xy); // unpack norm
@@ -110,13 +103,10 @@ void main()
     float da = max(da_sun, da_moon);
 
     float final_da = clamp(da, 0.0, 1.0);
-          final_da = pow(final_da, global_gamma);
+          final_da = pow(final_da, global_gamma + 0.3);
 
     vec4 diffuse = texture2DRect(diffuseRect, tc);
 
-    //convert to gamma space
-    //diffuse.rgb = linear_to_srgb(diffuse.rgb);
-
     vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
     vec3 col;
     float bloom = 0.0;
@@ -173,10 +163,6 @@ void main()
             col = fogged.rgb;
             bloom = fogged.a;
         #endif
-
-        //col = srgb_to_linear(col);
-        //col = vec3(1,0,1);
-        //col.g = envIntensity;
     }
 
     frag_color.rgb = col.rgb;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
index 2b6428963d..22488944cd 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
@@ -71,18 +71,10 @@ uniform vec2 screen_res;
 uniform mat4 inv_proj;
 
 vec3 decode_normal (vec2 enc);
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
-
-vec4 correctWithGamma(vec4 col)
-{
-	return vec4(srgb_to_linear(col.rgb), col.a);
-}
 
 vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret.rgb = srgb_to_linear(ret.rgb);
 	
 	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
 	
@@ -102,7 +94,6 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret = correctWithGamma(ret);
 	
 	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
 	
@@ -120,7 +111,6 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret = correctWithGamma(ret);
 	
 	vec2 dist = tc-vec2(0.5);
 	
@@ -131,19 +121,7 @@ vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
 	return ret;
 }
 
-
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).r;
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
+vec4 getPosition(vec2 pos_screen);
 
 void main() 
 {
diff --git a/indra/newview/app_settings/shaders/class1/deferred/srgb.glsl b/indra/newview/app_settings/shaders/class1/deferred/srgb.glsl
deleted file mode 100644
index bc3324f543..0000000000
--- a/indra/newview/app_settings/shaders/class1/deferred/srgb.glsl
+++ /dev/null
@@ -1,61 +0,0 @@
-/** 
- * @file srgb.glsl
- *
- * $LicenseInfo:firstyear=2007&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2007, Linden Research, Inc.
- * 
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- * 
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- * 
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
- * 
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
- * $/LicenseInfo$
- */
-
-vec3 rgb2hsv(vec3 c)
-{
-    vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
-    vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
-    vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
-
-    float d = q.x - min(q.w, q.y);
-    float e = 1.0e-10;
-    return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
-}
-
-vec3 hsv2rgb(vec3 c)
-{
-    vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
-    vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
-    return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
-}
-
-vec3 srgb_to_linear(vec3 cs)
-{
-	vec3 low_range = cs / vec3(12.92);
-	vec3 high_range = pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4));
-
-	bvec3 lte = lessThanEqual(cs,vec3(0.04045));
-	return mix(high_range, low_range, lte);
-}
-
-vec3 linear_to_srgb(vec3 cl)
-{
-	cl = clamp(cl, vec3(0), vec3(1));
-	vec3 low_range  = cl * 12.92;
-	vec3 high_range = 1.055 * pow(cl, vec3(0.41666)) - 0.055;
-
-	bvec3 lt = lessThan(cl,vec3(0.0031308));
-	return mix(high_range, low_range, lt);
-}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
index 403df87853..6d65ee2add 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
@@ -41,82 +41,15 @@ uniform sampler2D noiseMap;
 
 
 // Inputs
-uniform float ssao_radius;
-uniform float ssao_max_radius;
-uniform float ssao_factor;
-uniform float ssao_factor_inv;
-
 VARYING vec2 vary_fragcoord;
 
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
 
 vec3 decode_normal (vec2 enc);
-
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).r;
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
-
-//calculate decreases in ambient lighting when crowded out (SSAO)
-float calcAmbientOcclusion(vec4 pos, vec3 norm)
-{
-	float ret = 1.0;
-	
-	vec2 kern[8];
-	// exponentially (^2) distant occlusion samples spread around origin
-	kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
-	kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
-	kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
-	kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
-	kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
-	kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
-	kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
-	kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
-
-	vec2 pos_screen = vary_fragcoord.xy;
-	vec3 pos_world = pos.xyz;
-	vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy;
-		
-	float angle_hidden = 0.0;
-	int points = 0;
-		
-	float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
-		
-	// it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations unrolling?)
-	for (int i = 0; i < 8; i++)
-	{
-		vec2 samppos_screen = pos_screen + scale * reflect(kern[i], noise_reflect);
-		vec3 samppos_world = getPosition(samppos_screen).xyz; 
-			
-		vec3 diff = pos_world - samppos_world;
-		float dist2 = dot(diff, diff);
-			
-		// assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
-		// --> solid angle shrinking by the square of distance
-		//radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
-		//(k should vary inversely with # of samples, but this is taken care of later)
-			
-		angle_hidden = angle_hidden + float(dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) * min(1.0/dist2, ssao_factor_inv);
-			
-		// 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
-		points = points + int(diff.z > -1.0);
-	}
-		
-	angle_hidden = min(ssao_factor*angle_hidden/float(points), 1.0);
-		
-	ret = (1.0 - (float(points != 0) * angle_hidden));
-	
-	return min(ret, 1.0);
-}
+vec4 getPosition(vec2 pos_screen);
+vec3 getNorm(vec2 pos_screen);
+float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen);
 
 void main() 
 {
@@ -124,13 +57,11 @@ void main()
 	
 	//try doing an unproject here
 	
-	vec4 pos = getPosition(pos_screen);
-	
-	vec3 norm = texture2DRect(normalMap, pos_screen).xyz;
-	norm = decode_normal(norm.xy);
+	vec4 pos = getPosition(pos_screen);	
+	vec3 norm = getNorm(pos_screen);
 		
-	frag_color[0] = 1.0;
-	frag_color[1] = calcAmbientOcclusion(pos, norm);
-	frag_color[2] = 1.0; 
-	frag_color[3] = 1.0;
+	frag_color.r = 1.0;
+	frag_color.g = calcAmbientOcclusion(pos, norm, pos_screen);
+	frag_color.b = 1.0; 
+	frag_color.a = 1.0;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl
index db1eab23fb..e95a688e1f 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/underWaterF.glsl
@@ -58,9 +58,6 @@ VARYING vec4 refCoord;
 VARYING vec4 littleWave;
 VARYING vec4 view;
 
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
-
 vec2 encode_normal(vec3 n);
 
 vec4 applyWaterFog(vec4 color, vec3 viewVec)
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index 69543b93ea..9da2548586 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
@@ -62,7 +62,6 @@ VARYING vec4 littleWave;
 VARYING vec4 view;
 VARYING vec4 vary_position;
 
-vec3 srgb_to_linear(vec3 cs);
 vec2 encode_normal(vec3 n);
 vec3 scaleSoftClipFrag(vec3 l);
 
diff --git a/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl
index f98b3a5edf..4a8b892c3a 100644
--- a/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl
@@ -64,3 +64,21 @@ vec3 ColorFromRadiance(vec3 radiance)
 {
     return vec3(1.0) - exp(-radiance * 0.0001);
 }
+
+vec3 rgb2hsv(vec3 c)
+{
+    vec4 K = vec4(0.0, -1.0 / 3.0, 2.0 / 3.0, -1.0);
+    vec4 p = mix(vec4(c.bg, K.wz), vec4(c.gb, K.xy), step(c.b, c.g));
+    vec4 q = mix(vec4(p.xyw, c.r), vec4(c.r, p.yzx), step(p.x, c.r));
+
+    float d = q.x - min(q.w, q.y);
+    float e = 1.0e-10;
+    return vec3(abs(q.z + (q.w - q.y) / (6.0 * d + e)), d / (q.x + e), q.x);
+}
+
+vec3 hsv2rgb(vec3 c)
+{
+    vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
+    vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
+    return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
+}
diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl
index 8b7c4f2ecf..4f0e2a6cb6 100644
--- a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl
@@ -1,5 +1,5 @@
 /** 
- * @file atmosphericsF.glsl
+ * @file class1\windlight\atmosphericsF.glsl
  *
  * $LicenseInfo:firstyear=2005&license=viewerlgpl$
  * Second Life Viewer Source Code
diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 864ba4859d..1c5d3901f5 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -71,19 +71,11 @@ uniform vec2 screen_res;
 
 uniform mat4 inv_proj;
 
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
 vec3 decode_normal (vec2 enc);
 
-vec4 correctWithGamma(vec4 col)
-{
-	return vec4(srgb_to_linear(col.rgb), col.a);
-}
-
 vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret.rgb = srgb_to_linear(ret.rgb);
 	
 	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
 	
@@ -103,7 +95,6 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret = correctWithGamma(ret);
 
 	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
 	
@@ -121,7 +112,6 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret = correctWithGamma(ret);
 
 	vec2 dist = tc-vec2(0.5);
 	
@@ -132,19 +122,7 @@ vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
 	return ret;
 }
 
-
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).r;
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
+vec4 getPosition(vec2 pos_screen);
 
 void main() 
 {
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 184ac13b27..1b0a1b5d84 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -74,8 +74,6 @@ VARYING vec2 vary_fragcoord;
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
 
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
 vec3 decode_normal (vec2 enc);
 
 void calcFragAtmospherics(vec3 inPositionEye, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten);
@@ -87,24 +85,8 @@ vec3 atmosTransportFrag(vec3 light, vec3 additive, vec3 atten);
 vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten);
 vec3 fullbrightShinyAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten);
 
-vec4 getPosition_d(vec2 pos_screen, float depth)
-{
-    vec2 sc = pos_screen.xy*2.0;
-    sc /= screen_res;
-    sc -= vec2(1.0,1.0);
-    vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-    vec4 pos = inv_proj * ndc;
-    pos /= pos.w;
-    pos.w = 1.0;
-    return pos;
-}
-
-vec4 getPosition(vec2 pos_screen)
-{ //get position in screen space (world units) given window coordinate and depth map
-    float depth = texture2DRect(depthMap, pos_screen.xy).r;
-    return getPosition_d(pos_screen, depth);
-}
-
+vec4 getPositionWithDepth(vec2 pos_screen, float depth);
+vec4 getPosition(vec2 pos_screen);
 
 #ifdef WATER_FOG
 vec4 applyWaterFogView(vec3 pos, vec4 color);
@@ -112,32 +94,29 @@ vec4 applyWaterFogView(vec3 pos, vec4 color);
 
 void main() 
 {
-    vec2 tc = vary_fragcoord.xy;
-    float depth = texture2DRect(depthMap, tc.xy).r;
-    vec3 pos = getPosition_d(tc, depth).xyz;
-    vec4 norm = texture2DRect(normalMap, tc);
-    float envIntensity = norm.z;
-    norm.xyz = decode_normal(norm.xy); // unpack norm
-        
-    float da_sun  = dot(norm.xyz, normalize(sun_dir.xyz));
+	vec2 tc = vary_fragcoord.xy;
+	float depth = texture2DRect(depthMap, tc.xy).r;
+	vec4 pos = getPositionWithDepth(tc, depth);
+	vec4 norm = texture2DRect(normalMap, tc);
+	float envIntensity = norm.z;
+	norm.xyz = decode_normal(norm.xy); // unpack norm
+		
+	float da_sun  = dot(norm.xyz, normalize(sun_dir.xyz));
     float da_moon = dot(norm.xyz, normalize(moon_dir.xyz));
     float da = max(da_sun, da_moon);
           da = clamp(da, 0.0, 1.0);
 
-    da = pow(da, global_gamma);
-
-    vec4 diffuse = texture2DRect(diffuseRect, tc);
-
-    //convert to gamma space
-	//diffuse.rgb = linear_to_srgb(diffuse.rgb);
+	da = pow(da, global_gamma + 0.3);
 
+	vec4 diffuse = texture2DRect(diffuseRect, tc);
+	
     vec3 col;
     float bloom = 0.0;
     {
         vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
         
         vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg;
-        scol_ambocc = pow(scol_ambocc, vec2(global_gamma));
+        scol_ambocc = pow(scol_ambocc, vec2(global_gamma + 0.3));
 
         float scol = max(scol_ambocc.r, diffuse.a); 
         float ambocc = scol_ambocc.g;
@@ -195,9 +174,6 @@ void main()
             col = fogged.rgb;
             bloom = fogged.a;
         #endif
-
-        //col = srgb_to_linear(col);
-
     }
     frag_color.rgb = col;
     frag_color.a = bloom;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl
index c840d72784..8b8b338f68 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl
@@ -36,7 +36,5 @@ void main()
 	//transform vertex
 	vec4 pos = modelview_projection_matrix * vec4(position.xyz, 1.0);
 	gl_Position = pos; 
-	
-	
 	vary_fragcoord = (pos.xy*0.5+0.5)*screen_res;
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
index a7da140b31..36854b0e66 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -72,18 +72,10 @@ uniform vec2 screen_res;
 uniform mat4 inv_proj;
 
 vec3 decode_normal (vec2 enc);
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cl);
-
-vec4 correctWithGamma(vec4 col)
-{
-	return vec4(srgb_to_linear(col.rgb), col.a);
-}
 
 vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret.rgb = srgb_to_linear(ret.rgb);
 	
 	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
 	
@@ -103,7 +95,6 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret = correctWithGamma(ret);
 	
 	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
 	
@@ -121,7 +112,6 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
-	ret = correctWithGamma(ret);
 	
 	vec2 dist = tc-vec2(0.5);
 	
@@ -132,19 +122,7 @@ vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
 	return ret;
 }
 
-
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).r;
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
+vec4 getPosition(vec2 pos_screen);
 
 void main() 
 {
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index f2d04c95fe..5f8f3114a1 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -68,22 +68,13 @@ uniform float shadow_offset;
 uniform float spot_shadow_bias;
 uniform float spot_shadow_offset;
 
-vec3 decode_normal (vec2 enc);
+vec3 getNorm(vec2 pos_screen);
+vec4 getPosition(vec2 pos_screen);
 
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).r;
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
+float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen);
+float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen);
 
-float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
+float pcfShadowLegacy(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
 {
 	stc.xyz /= stc.w;
 	stc.z += shadow_bias;
@@ -102,7 +93,7 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
     return shadow*0.2;
 }
 
-float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
+float pcfSpotShadowLegacy(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
 {
 	stc.xyz /= stc.w;
 	stc.z += spot_shadow_bias*scl;
@@ -128,10 +119,8 @@ void main()
 	
 	//try doing an unproject here
 	
-	vec4 pos = getPosition(pos_screen);
-	
-	vec3 norm = texture2DRect(normalMap, pos_screen).xyz;
-	norm = decode_normal(norm.xy); // unpack norm
+	vec4 pos  = getPosition(pos_screen);	
+	vec3 norm = getNorm(pos_screen);
 		
 	/*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL
 	{
@@ -174,7 +163,7 @@ void main()
 				
 				float w = 1.0;
 				w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
-				shadow += pcfShadow(shadowMap3, lpos, 0.25, pos_screen)*w;
+				shadow += pcfShadowLegacy(shadowMap3, lpos, 0.25, pos_screen)*w;
 				weight += w;
 				shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
 			}
@@ -186,7 +175,7 @@ void main()
 				float w = 1.0;
 				w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
 				w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
-				shadow += pcfShadow(shadowMap2, lpos, 0.5, pos_screen)*w;
+				shadow += pcfShadowLegacy(shadowMap2, lpos, 0.5, pos_screen)*w;
 				weight += w;
 			}
 
@@ -197,7 +186,7 @@ void main()
 				float w = 1.0;
 				w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
 				w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
-				shadow += pcfShadow(shadowMap1, lpos, 0.75, pos_screen)*w;
+				shadow += pcfShadowLegacy(shadowMap1, lpos, 0.75, pos_screen)*w;
 				weight += w;
 			}
 
@@ -208,7 +197,7 @@ void main()
 				float w = 1.0;
 				w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
 				
-				shadow += pcfShadow(shadowMap0, lpos, 1.0, pos_screen)*w;
+				shadow += pcfShadowLegacy(shadowMap0, lpos, 1.0, pos_screen)*w;
 				weight += w;
 			}
 		
@@ -242,11 +231,11 @@ void main()
 	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-	frag_color[2] = pcfSpotShadow(shadowMap4, lpos, 0.8, pos_screen); 
+	frag_color[2] = pcfSpotShadowLegacy(shadowMap4, lpos, 0.8, pos_screen); 
 	
 	//spotlight shadow 2
 	lpos = shadow_matrix[5]*spos;
-	frag_color[3] = pcfSpotShadow(shadowMap5, lpos, 0.8, pos_screen); 
+	frag_color[3] = pcfSpotShadowLegacy(shadowMap5, lpos, 0.8, pos_screen); 
 
 	//frag_color.rgb = pos.xyz;
 	//frag_color.b = shadow;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
index fd3256e9c8..10ef1785da 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
@@ -1,5 +1,5 @@
 /** 
- * @file sunLightSSAOF.glsl
+ * @file class2/deferred/sunLightSSAOF.glsl
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * Second Life Viewer Source Code
  * Copyright (C) 2007, Linden Research, Inc.
@@ -42,110 +42,33 @@ uniform sampler2DShadow shadowMap2;
 uniform sampler2DShadow shadowMap3;
 uniform sampler2DShadow shadowMap4;
 uniform sampler2DShadow shadowMap5;
-uniform sampler2D noiseMap;
-
-
-// Inputs
-uniform mat4 shadow_matrix[6];
-uniform vec4 shadow_clip;
-uniform float ssao_radius;
-uniform float ssao_max_radius;
-uniform float ssao_factor;
-uniform float ssao_factor_inv;
 
 VARYING vec2 vary_fragcoord;
 
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
 uniform vec2 proj_shadow_res;
-uniform vec3 sun_dir;
-uniform vec3 moon_dir;
 
+uniform mat4 shadow_matrix[6];
+uniform vec4 shadow_clip;
 uniform vec2 shadow_res;
-
 uniform float shadow_bias;
 uniform float shadow_offset;
-
 uniform float spot_shadow_bias;
 uniform float spot_shadow_offset;
 
-vec3 decode_normal (vec2 enc);
-
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).r;
-	vec2 sc = pos_screen.xy*2.0;
-	sc /= screen_res;
-	sc -= vec2(1.0,1.0);
-	vec4 ndc = vec4(sc.x, sc.y, 2.0*depth-1.0, 1.0);
-	vec4 pos = inv_proj * ndc;
-	pos /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
-
-vec2 getKern(int i)
-{
-	vec2 kern[8];
-	// exponentially (^2) distant occlusion samples spread around origin
-	kern[0] = vec2(-1.0, 0.0) * 0.125*0.125;
-	kern[1] = vec2(1.0, 0.0) * 0.250*0.250;
-	kern[2] = vec2(0.0, 1.0) * 0.375*0.375;
-	kern[3] = vec2(0.0, -1.0) * 0.500*0.500;
-	kern[4] = vec2(0.7071, 0.7071) * 0.625*0.625;
-	kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
-	kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
-	kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
-       
-	return kern[i];
-}
+uniform vec3 sun_dir;
+uniform vec3 moon_dir;
 
-//calculate decreases in ambient lighting when crowded out (SSAO)
-float calcAmbientOcclusion(vec4 pos, vec3 norm)
-{
-	float ret = 1.0;
+vec4 getPosition(vec2 pos_screen);
+vec3 getNorm(vec2 pos_screen);
 
-	vec2 pos_screen = vary_fragcoord.xy;
-	vec3 pos_world = pos.xyz;
-	vec2 noise_reflect = texture2D(noiseMap, vary_fragcoord.xy/128.0).xy;
-		
-	float angle_hidden = 0.0;
-	float points = 0;
-		
-	float scale = min(ssao_radius / -pos_world.z, ssao_max_radius);
-	
-	// it was found that keeping # of samples a constant was the fastest, probably due to compiler optimizations (unrolling?)
-	for (int i = 0; i < 8; i++)
-	{
-		vec2 samppos_screen = pos_screen + scale * reflect(getKern(i), noise_reflect);
-		vec3 samppos_world = getPosition(samppos_screen).xyz; 
-		
-		vec3 diff = pos_world - samppos_world;
-		float dist2 = dot(diff, diff);
-			
-		// assume each sample corresponds to an occluding sphere with constant radius, constant x-sectional area
-		// --> solid angle shrinking by the square of distance
-		//radius is somewhat arbitrary, can approx with just some constant k * 1 / dist^2
-		//(k should vary inversely with # of samples, but this is taken care of later)
-		
-		float funky_val = (dot((samppos_world - 0.05*norm - pos_world), norm) > 0.0) ? 1.0 : 0.0;
-		angle_hidden = angle_hidden + funky_val * min(1.0/dist2, ssao_factor_inv);
-			
-		// 'blocked' samples (significantly closer to camera relative to pos_world) are "no data", not "no occlusion" 
-		float diffz_val = (diff.z > -1.0) ? 1.0 : 0.0;
-		points = points + diffz_val;
-	}
-		
-	angle_hidden = min(ssao_factor*angle_hidden/points, 1.0);
-	
-	float points_val = (points > 0.0) ? 1.0 : 0.0;
-	ret = (1.0 - (points_val * angle_hidden));
+float calcAmbientOcclusion(vec4 pos, vec3 norm, vec2 pos_screen);
+float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen);
+float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen);
 
-	ret = max(ret, 0.0);
-	return min(ret, 1.0);
-}
 
-float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
+float pcfShadowLegacy(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
 {
 	stc.xyz /= stc.w;
 	stc.z += shadow_bias;
@@ -163,7 +86,7 @@ float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
         return shadow*0.2;
 }
 
-float pcfSpotShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
+float pcfSpotShadowLegacy(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
 {
 	stc.xyz /= stc.w;
 	stc.z += spot_shadow_bias*scl;
@@ -189,10 +112,8 @@ void main()
 	
 	//try doing an unproject here
 	
-	vec4 pos = getPosition(pos_screen);
-	
-	vec3 norm = texture2DRect(normalMap, pos_screen).xyz;
-	norm = decode_normal(norm.xy); // unpack norm
+	vec4 pos  = getPosition(pos_screen);
+	vec3 norm = getNorm(pos_screen);
 		
 	/*if (pos.z == 0.0) // do nothing for sky *FIX: REMOVE THIS IF/WHEN THE POSITION MAP IS BEING USED AS A STENCIL
 	{
@@ -235,7 +156,7 @@ void main()
 				
 				float w = 1.0;
 				w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
-				shadow += pcfShadow(shadowMap3, lpos, 0.25, pos_screen)*w;
+				shadow += pcfShadowLegacy(shadowMap3, lpos, 0.25, pos_screen)*w;
 				weight += w;
 				shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
 			}
@@ -247,7 +168,7 @@ void main()
 				float w = 1.0;
 				w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
 				w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
-				shadow += pcfShadow(shadowMap2, lpos, 0.5, pos_screen)*w;
+				shadow += pcfShadowLegacy(shadowMap2, lpos, 0.5, pos_screen)*w;
 				weight += w;
 			}
 
@@ -258,7 +179,7 @@ void main()
 				float w = 1.0;
 				w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
 				w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
-				shadow += pcfShadow(shadowMap1, lpos, 0.75, pos_screen)*w;
+				shadow += pcfShadowLegacy(shadowMap1, lpos, 0.75, pos_screen)*w;
 				weight += w;
 			}
 
@@ -269,7 +190,7 @@ void main()
 				float w = 1.0;
 				w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
 				
-				shadow += pcfShadow(shadowMap0, lpos, 1.0, pos_screen)*w;
+				shadow += pcfShadowLegacy(shadowMap0, lpos, 1.0, pos_screen)*w;
 				weight += w;
 			}
 		
@@ -297,7 +218,7 @@ void main()
 	}
 	
 	frag_color[0] = shadow;
-	frag_color[1] = calcAmbientOcclusion(pos, norm);
+	frag_color[1] = calcAmbientOcclusion(pos, norm, pos_screen);
 	
 	spos = vec4(shadow_pos+norm*spot_shadow_offset, 1.0);
 	
diff --git a/indra/newview/app_settings/shaders/class3/windlight/transportF.glsl b/indra/newview/app_settings/shaders/class3/windlight/transportF.glsl
index 9c050256dc..90ab5d2793 100644
--- a/indra/newview/app_settings/shaders/class3/windlight/transportF.glsl
+++ b/indra/newview/app_settings/shaders/class3/windlight/transportF.glsl
@@ -61,14 +61,17 @@ vec3 fullbrightShinyAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten)
 	return mix(atmosTransportFrag(light.rgb, additive, atten), (light.rgb + additive.rgb) * (2.0 - brightness), brightness * brightness);
 }
 
-vec3 atmosTransport(vec3 light) {
-     return (no_atmo == 1) ? light : atmosTransportFrag(light, getAdditiveColor(), getAtmosAttenuation());
+vec3 atmosTransport(vec3 light)
+{
+     return atmosTransportFrag(light, getAdditiveColor(), getAtmosAttenuation());
 }
 
-vec3 fullbrightAtmosTransport(vec3 light) {
-     return (no_atmo == 1) ? light : fullbrightAtmosTransportFrag(light, GetAdditiveColor(), getAtmosAttenuation());
+vec3 fullbrightAtmosTransport(vec3 light)
+{
+     return fullbrightAtmosTransportFrag(light, getAdditiveColor(), getAtmosAttenuation());
 }
 
-vec3 fullbrightShinyAtmosTransport(vec3 light) {
-    return (no_atmo == 1) ? light : fullbrightShinyAtmosTransportFrag(light, getAdditiveColor(), getAtmosAttenuation());
+vec3 fullbrightShinyAtmosTransport(vec3 light)
+{
+    return fullbrightShinyAtmosTransportFrag(light, getAdditiveColor(), getAtmosAttenuation());
 }
diff --git a/indra/newview/lldrawpool.cpp b/indra/newview/lldrawpool.cpp
index 82888b2df6..00493c83df 100644
--- a/indra/newview/lldrawpool.cpp
+++ b/indra/newview/lldrawpool.cpp
@@ -127,7 +127,7 @@ LLDrawPool::LLDrawPool(const U32 type)
 	mType = type;
 	sNumDrawPools++;
 	mId = sNumDrawPools;
-	mVertexShaderLevel = 0;
+	mShaderLevel = 0;
 	mSkipRender = false;
 }
 
@@ -141,7 +141,7 @@ LLViewerTexture *LLDrawPool::getDebugTexture()
 	return NULL;
 }
 
-//virtuals
+//virtual
 void LLDrawPool::beginRenderPass( S32 pass )
 {
 }
diff --git a/indra/newview/lldrawpool.h b/indra/newview/lldrawpool.h
index bc299cc89f..df86d78a89 100644
--- a/indra/newview/lldrawpool.h
+++ b/indra/newview/lldrawpool.h
@@ -107,7 +107,7 @@ public:
 	virtual void prerender() = 0;
 	virtual U32 getVertexDataMask() = 0;
 	virtual BOOL verify() const { return TRUE; }		// Verify that all data in the draw pool is correct!
-	virtual S32 getVertexShaderLevel() const { return mVertexShaderLevel; }
+	virtual S32 getShaderLevel() const { return mShaderLevel; }
 	
 	static LLDrawPool* createPool(const U32 type, LLViewerTexture *tex0 = NULL);
 	virtual LLDrawPool *instancePool() = 0;	// Create an empty new instance of the pool.
@@ -116,7 +116,7 @@ public:
 	virtual void resetDrawOrders() = 0;
 
 protected:
-	S32 mVertexShaderLevel;
+	S32 mShaderLevel;
 	S32	mId;
 	U32 mType;				// Type of draw pool
 	BOOL mSkipRender;
diff --git a/indra/newview/lldrawpoolalpha.cpp b/indra/newview/lldrawpoolalpha.cpp
index 7679d44826..73582e2345 100644
--- a/indra/newview/lldrawpoolalpha.cpp
+++ b/indra/newview/lldrawpoolalpha.cpp
@@ -69,7 +69,7 @@ LLDrawPoolAlpha::~LLDrawPoolAlpha()
 
 void LLDrawPoolAlpha::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
 }
 
 S32 LLDrawPoolAlpha::getNumPostDeferredPasses() 
@@ -160,7 +160,7 @@ void LLDrawPoolAlpha::beginPostDeferredPass(S32 pass)
     }
 
 	deferred_render = TRUE;
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		// Start out with no shaders.
 		current_shader = target_shader = NULL;
@@ -209,7 +209,7 @@ void LLDrawPoolAlpha::beginRenderPass(S32 pass)
 		emissive_shader = &gObjectEmissiveProgram;
 	}
 
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		// Start out with no shaders.
 		current_shader = target_shader = NULL;
@@ -264,7 +264,7 @@ void LLDrawPoolAlpha::render(S32 pass)
 		mAlphaDFactor = LLRender::BF_ONE_MINUS_SOURCE_ALPHA;       // }
 		gGL.blendFunc(mColorSFactor, mColorDFactor, mAlphaSFactor, mAlphaDFactor);
 
-		if (mVertexShaderLevel > 0)
+		if (mShaderLevel > 0)
 		{
 			if (LLPipeline::sImpostorRender)
 			{
@@ -326,7 +326,7 @@ void LLDrawPoolAlpha::render(S32 pass)
 		}
 	}
 
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		renderAlpha(getVertexDataMask() | LLVertexBuffer::MAP_TEXTURE_INDEX | LLVertexBuffer::MAP_TANGENT | LLVertexBuffer::MAP_TEXCOORD1 | LLVertexBuffer::MAP_TEXCOORD2, pass);
 	}
@@ -432,7 +432,7 @@ void LLDrawPoolAlpha::renderAlpha(U32 mask, S32 pass)
 			bool is_particle_or_hud_particle = group->getSpatialPartition()->mPartitionType == LLViewerRegion::PARTITION_PARTICLE
 													  || group->getSpatialPartition()->mPartitionType == LLViewerRegion::PARTITION_HUD_PARTICLE;
 
-			bool draw_glow_for_this_partition = mVertexShaderLevel > 0; // no shaders = no glow.
+			bool draw_glow_for_this_partition = mShaderLevel > 0; // no shaders = no glow.
 
 			
 			LL_RECORD_BLOCK_TIME(FTM_RENDER_ALPHA_GROUP_LOOP);
diff --git a/indra/newview/lldrawpoolavatar.cpp b/indra/newview/lldrawpoolavatar.cpp
index d4dc6f3558..996c7eed4b 100644
--- a/indra/newview/lldrawpoolavatar.cpp
+++ b/indra/newview/lldrawpoolavatar.cpp
@@ -144,16 +144,16 @@ LLDrawPool *LLDrawPoolAvatar::instancePool()
 }
 
 
-S32 LLDrawPoolAvatar::getVertexShaderLevel() const
+S32 LLDrawPoolAvatar::getShaderLevel() const
 {
-	return (S32) LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR);
+	return (S32) LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_AVATAR);
 }
 
 void LLDrawPoolAvatar::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR);
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_AVATAR);
 	
-	sShaderLevel = mVertexShaderLevel;
+	sShaderLevel = mShaderLevel;
 	
 	if (sShaderLevel > 0)
 	{
@@ -304,7 +304,7 @@ void LLDrawPoolAvatar::beginPostDeferredPass(S32 pass)
 void LLDrawPoolAvatar::beginPostDeferredAlpha()
 {
 	sSkipOpaque = TRUE;
-	sShaderLevel = mVertexShaderLevel;
+	sShaderLevel = mShaderLevel;
 	sVertexProgram = &gDeferredAvatarAlphaProgram;
 	sRenderingSkinned = TRUE;
 
@@ -395,7 +395,7 @@ void LLDrawPoolAvatar::endPostDeferredAlpha()
 		
 	gPipeline.unbindDeferredShader(*sVertexProgram);
 	sDiffuseChannel = 0;
-	sShaderLevel = mVertexShaderLevel;
+	sShaderLevel = mShaderLevel;
 }
 
 void LLDrawPoolAvatar::renderPostDeferred(S32 pass)
@@ -493,7 +493,7 @@ void LLDrawPoolAvatar::renderShadow(S32 pass)
 	}
 	LLVOAvatar *avatarp = (LLVOAvatar *)facep->getDrawable()->getVObj().get();
 
-	if (avatarp->isDead() || avatarp->isUIAvatar() || avatarp->mDrawable.isNull())
+	if (avatarp->isDead() || avatarp->mIsDummy || avatarp->mDrawable.isNull())
 	{
 		return;
 	}
@@ -714,7 +714,7 @@ void LLDrawPoolAvatar::beginRigid()
 
 void LLDrawPoolAvatar::endRigid()
 {
-	sShaderLevel = mVertexShaderLevel;
+	sShaderLevel = mShaderLevel;
 	if (sVertexProgram != NULL)
 	{
 		sVertexProgram->unbind();
@@ -739,7 +739,7 @@ void LLDrawPoolAvatar::beginDeferredImpostor()
 
 void LLDrawPoolAvatar::endDeferredImpostor()
 {
-	sShaderLevel = mVertexShaderLevel;
+	sShaderLevel = mShaderLevel;
 	sVertexProgram->disableTexture(LLViewerShaderMgr::DEFERRED_NORMAL);
 	sVertexProgram->disableTexture(LLViewerShaderMgr::SPECULAR_MAP);
 	sVertexProgram->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
@@ -766,7 +766,7 @@ void LLDrawPoolAvatar::beginDeferredRigid()
 
 void LLDrawPoolAvatar::endDeferredRigid()
 {
-	sShaderLevel = mVertexShaderLevel;
+	sShaderLevel = mShaderLevel;
 	sVertexProgram->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
 	sVertexProgram->unbind();
 	gGL.getTexUnit(0)->activate();
@@ -848,7 +848,7 @@ void LLDrawPoolAvatar::endSkinned()
 		sVertexProgram->disableTexture(LLViewerShaderMgr::BUMP_MAP);
 		gGL.getTexUnit(0)->activate();
 		sVertexProgram->unbind();
-		sShaderLevel = mVertexShaderLevel;
+		sShaderLevel = mShaderLevel;
 	}
 	else
 	{
@@ -1281,7 +1281,7 @@ void LLDrawPoolAvatar::endDeferredRiggedMaterial(S32 pass)
 
 void LLDrawPoolAvatar::beginDeferredSkinned()
 {
-	sShaderLevel = mVertexShaderLevel;
+	sShaderLevel = mShaderLevel;
 	sVertexProgram = &gDeferredAvatarProgram;
 	sRenderingSkinned = TRUE;
 
@@ -1308,7 +1308,7 @@ void LLDrawPoolAvatar::endDeferredSkinned()
 
 	sVertexProgram->disableTexture(LLViewerShaderMgr::DIFFUSE_MAP);
 
-	sShaderLevel = mVertexShaderLevel;
+	sShaderLevel = mShaderLevel;
 
 	gGL.getTexUnit(0)->activate();
 }
@@ -1820,7 +1820,7 @@ void LLDrawPoolAvatar::updateRiggedFaceVertexBuffer(
 
 void LLDrawPoolAvatar::renderRigged(LLVOAvatar* avatar, U32 type, bool glow)
 {
-	if (!avatar->shouldRenderRigged())
+	if (avatar->isSelf() && !gAgent.needsRenderAvatar())
 	{
 		return;
 	}
@@ -2196,6 +2196,7 @@ void LLDrawPoolAvatar::addRiggedFace(LLFace* facep, U32 type)
 	{
 		LL_ERRS() << "Invalid rigged face type." << LL_ENDL;
 	}
+
 	if (facep->getRiggedIndex(type) != -1)
 	{
 		LL_ERRS() << "Tried to add a rigged face that's referenced elsewhere." << LL_ENDL;
diff --git a/indra/newview/lldrawpoolavatar.h b/indra/newview/lldrawpoolavatar.h
index 45b6d71110..8292279042 100644
--- a/indra/newview/lldrawpoolavatar.h
+++ b/indra/newview/lldrawpoolavatar.h
@@ -57,7 +57,7 @@ public:
 
 	virtual U32 getVertexDataMask() { return VERTEX_DATA_MASK; }
 
-	virtual S32 getVertexShaderLevel() const;
+	virtual S32 getShaderLevel() const;
 
 	LLDrawPoolAvatar();
     ~LLDrawPoolAvatar();
diff --git a/indra/newview/lldrawpoolbump.cpp b/indra/newview/lldrawpoolbump.cpp
index e27b6867b9..14069fa6c2 100644
--- a/indra/newview/lldrawpoolbump.cpp
+++ b/indra/newview/lldrawpoolbump.cpp
@@ -193,7 +193,7 @@ LLDrawPoolBump::LLDrawPoolBump()
 
 void LLDrawPoolBump::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
 }
 
 // static
@@ -201,7 +201,7 @@ S32 LLDrawPoolBump::numBumpPasses()
 {
 	if (gSavedSettings.getBOOL("RenderObjectBump"))
 	{
-		if (mVertexShaderLevel > 1)
+		if (mShaderLevel > 1)
 		{
 			if (LLPipeline::sImpostorRender)
 			{
@@ -241,7 +241,7 @@ void LLDrawPoolBump::beginRenderPass(S32 pass)
 			beginShiny();
 			break;
 		case 1:
-			if (mVertexShaderLevel > 1)
+			if (mShaderLevel > 1)
 			{
 				beginFullbrightShiny();
 			}
@@ -274,7 +274,7 @@ void LLDrawPoolBump::render(S32 pass)
 			renderShiny();
 			break;
 		case 1:
-			if (mVertexShaderLevel > 1)
+			if (mShaderLevel > 1)
 			{
 				renderFullbrightShiny();
 			}
@@ -301,7 +301,7 @@ void LLDrawPoolBump::endRenderPass(S32 pass)
 			endShiny();
 			break;
 		case 1:
-			if (mVertexShaderLevel > 1)
+			if (mShaderLevel > 1)
 			{
 				endFullbrightShiny();
 			}
@@ -335,12 +335,12 @@ void LLDrawPoolBump::beginShiny(bool invisible)
 	mShiny = TRUE;
 	sVertexMask = VERTEX_MASK_SHINY;
 	// Second pass: environment map
-	if (!invisible && mVertexShaderLevel > 1)
+	if (!invisible && mShaderLevel > 1)
 	{
 		sVertexMask = VERTEX_MASK_SHINY | LLVertexBuffer::MAP_TEXCOORD0;
 	}
 	
-	if (getVertexShaderLevel() > 0)
+	if (getShaderLevel() > 0)
 	{
 		if (LLPipeline::sUnderWaterRender)
 		{
@@ -365,9 +365,9 @@ void LLDrawPoolBump::beginShiny(bool invisible)
 		shader = NULL;
 	}
 
-	bindCubeMap(shader, mVertexShaderLevel, diffuse_channel, cube_channel, invisible);
+	bindCubeMap(shader, mShaderLevel, diffuse_channel, cube_channel, invisible);
 
-	if (mVertexShaderLevel > 1)
+	if (mShaderLevel > 1)
 	{ //indexed texture rendering, channel 0 is always diffuse
 		diffuse_channel = 0;
 	}
@@ -436,7 +436,7 @@ void LLDrawPoolBump::renderShiny(bool invisible)
 	if( gSky.mVOSkyp->getCubeMap() )
 	{
 		LLGLEnable blend_enable(GL_BLEND);
-		if (!invisible && mVertexShaderLevel > 1)
+		if (!invisible && mShaderLevel > 1)
 		{
 			LLRenderPass::pushBatches(LLRenderPass::PASS_SHINY, sVertexMask | LLVertexBuffer::MAP_TEXTURE_INDEX, TRUE, TRUE);
 		}
@@ -461,7 +461,7 @@ void LLDrawPoolBump::unbindCubeMap(LLGLSLShader* shader, S32 shader_level, S32&
 		{
 			shader->disableTexture(LLViewerShaderMgr::ENVIRONMENT_MAP, LLTexUnit::TT_CUBE_MAP);
 					
-			if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT) > 0)
+			if (LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT) > 0)
 			{
 				if (diffuse_channel != 0)
 				{
@@ -494,7 +494,7 @@ void LLDrawPoolBump::endShiny(bool invisible)
 		return;
 	}
 
-	unbindCubeMap(shader, mVertexShaderLevel, diffuse_channel, cube_channel, invisible);
+	unbindCubeMap(shader, mShaderLevel, diffuse_channel, cube_channel, invisible);
 	if (shader)
 	{
 		shader->unbind();
@@ -568,7 +568,7 @@ void LLDrawPoolBump::beginFullbrightShiny()
 		gGL.getTexUnit(0)->activate();
 	}
 
-	if (mVertexShaderLevel > 1)
+	if (mShaderLevel > 1)
 	{ //indexed texture rendering, channel 0 is always diffuse
 		diffuse_channel = 0;
 	}
@@ -588,7 +588,7 @@ void LLDrawPoolBump::renderFullbrightShiny()
 	{
 		LLGLEnable blend_enable(GL_BLEND);
 
-		if (mVertexShaderLevel > 1)
+		if (mShaderLevel > 1)
 		{
 			LLRenderPass::pushBatches(LLRenderPass::PASS_FULLBRIGHT_SHINY, sVertexMask | LLVertexBuffer::MAP_TEXTURE_INDEX, TRUE, TRUE);
 		}
@@ -1541,7 +1541,7 @@ void LLDrawPoolBump::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture, BOOL
 			tex_setup = true;
 		}
 
-		if (mShiny && mVertexShaderLevel > 1 && texture)
+		if (mShiny && mShaderLevel > 1 && texture)
 		{
 			if (params.mTexture.notNull())
 			{
diff --git a/indra/newview/lldrawpoolground.cpp b/indra/newview/lldrawpoolground.cpp
index bae07a171b..6bd2631d3b 100644
--- a/indra/newview/lldrawpoolground.cpp
+++ b/indra/newview/lldrawpoolground.cpp
@@ -53,7 +53,7 @@ LLDrawPool *LLDrawPoolGround::instancePool()
 
 void LLDrawPoolGround::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_ENVIRONMENT);
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_ENVIRONMENT);
 }
 
 void LLDrawPoolGround::render(S32 pass)
diff --git a/indra/newview/lldrawpoolmaterials.cpp b/indra/newview/lldrawpoolmaterials.cpp
index 113c198a9a..05b0c1f1a9 100644
--- a/indra/newview/lldrawpoolmaterials.cpp
+++ b/indra/newview/lldrawpoolmaterials.cpp
@@ -42,7 +42,7 @@ LLDrawPoolMaterials::LLDrawPoolMaterials()
 
 void LLDrawPoolMaterials::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT); 
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT); 
 }
 
 S32 LLDrawPoolMaterials::getNumDeferredPasses()
@@ -203,7 +203,7 @@ void LLDrawPoolMaterials::pushBatch(LLDrawInfo& params, U32 mask, BOOL texture,
 			tex_setup = true;
 		}
 		
-		if (mVertexShaderLevel > 1 && texture)
+		if (mShaderLevel > 1 && texture)
 		{
 			if (params.mTexture.notNull())
 			{
diff --git a/indra/newview/lldrawpoolsimple.cpp b/indra/newview/lldrawpoolsimple.cpp
index bb50ad8e3e..f653920662 100644
--- a/indra/newview/lldrawpoolsimple.cpp
+++ b/indra/newview/lldrawpoolsimple.cpp
@@ -90,7 +90,7 @@ void LLDrawPoolGlow::endPostDeferredPass(S32 pass)
 
 S32 LLDrawPoolGlow::getNumPasses()
 {
-	if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT) > 0)
+	if (LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT) > 0)
 	{
 		return 1;
 	}
@@ -111,7 +111,7 @@ void LLDrawPoolGlow::render(S32 pass)
 	glPolygonOffset(-1.0f, -1.0f);
 	gGL.setSceneBlendType(LLRender::BT_ADD);
 	
-	U32 shader_level = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
+	U32 shader_level = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
 
 	//should never get here without basic shaders enabled
 	llassert(shader_level > 0);
@@ -164,7 +164,7 @@ LLDrawPoolSimple::LLDrawPoolSimple() :
 
 void LLDrawPoolSimple::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
 }
 
 void LLDrawPoolSimple::beginRenderPass(S32 pass)
@@ -184,7 +184,7 @@ void LLDrawPoolSimple::beginRenderPass(S32 pass)
 		simple_shader = &gObjectSimpleProgram;
 	}
 
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		simple_shader->bind();
 
@@ -213,7 +213,7 @@ void LLDrawPoolSimple::endRenderPass(S32 pass)
 	stop_glerror();
 	LLRenderPass::endRenderPass(pass);
 	stop_glerror();
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		simple_shader->unbind();
 	}
@@ -227,7 +227,7 @@ void LLDrawPoolSimple::render(S32 pass)
 		LL_RECORD_BLOCK_TIME(FTM_RENDER_SIMPLE);
 		gPipeline.enableLightsDynamic();
 
-		if (mVertexShaderLevel > 0)
+		if (mShaderLevel > 0)
 		{
 			U32 mask = getVertexDataMask() | LLVertexBuffer::MAP_TEXTURE_INDEX;
 
@@ -270,7 +270,7 @@ LLDrawPoolAlphaMask::LLDrawPoolAlphaMask() :
 
 void LLDrawPoolAlphaMask::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
 }
 
 void LLDrawPoolAlphaMask::beginRenderPass(S32 pass)
@@ -286,7 +286,7 @@ void LLDrawPoolAlphaMask::beginRenderPass(S32 pass)
 		simple_shader = &gObjectSimpleAlphaMaskProgram;
 	}
 
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		simple_shader->bind();
 
@@ -315,7 +315,7 @@ void LLDrawPoolAlphaMask::endRenderPass(S32 pass)
 	stop_glerror();
 	LLRenderPass::endRenderPass(pass);
 	stop_glerror();
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		simple_shader->unbind();
 	}
@@ -326,7 +326,7 @@ void LLDrawPoolAlphaMask::render(S32 pass)
 	LLGLDisable blend(GL_BLEND);
 	LL_RECORD_BLOCK_TIME(FTM_RENDER_ALPHA_MASK);
 	
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		simple_shader->bind();
 		simple_shader->setMinimumAlpha(0.33f);
@@ -361,7 +361,7 @@ LLDrawPoolFullbrightAlphaMask::LLDrawPoolFullbrightAlphaMask() :
 
 void LLDrawPoolFullbrightAlphaMask::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
 }
 
 void LLDrawPoolFullbrightAlphaMask::beginRenderPass(S32 pass)
@@ -377,7 +377,7 @@ void LLDrawPoolFullbrightAlphaMask::beginRenderPass(S32 pass)
 		simple_shader = &gObjectFullbrightAlphaMaskProgram;
 	}
 
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		simple_shader->bind();
 
@@ -406,7 +406,7 @@ void LLDrawPoolFullbrightAlphaMask::endRenderPass(S32 pass)
 	stop_glerror();
 	LLRenderPass::endRenderPass(pass);
 	stop_glerror();
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		simple_shader->unbind();
 	}
@@ -416,7 +416,7 @@ void LLDrawPoolFullbrightAlphaMask::render(S32 pass)
 {
 	LL_RECORD_BLOCK_TIME(FTM_RENDER_ALPHA_MASK);
 
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		if (simple_shader)
 		{
@@ -533,7 +533,7 @@ LLDrawPoolGrass::LLDrawPoolGrass() :
 
 void LLDrawPoolGrass::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
 }
 
 
@@ -551,7 +551,7 @@ void LLDrawPoolGrass::beginRenderPass(S32 pass)
 		simple_shader = &gObjectAlphaMaskNonIndexedProgram;
 	}
 
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		simple_shader->bind();
 		simple_shader->setMinimumAlpha(0.5f);
@@ -580,7 +580,7 @@ void LLDrawPoolGrass::endRenderPass(S32 pass)
 	LL_RECORD_BLOCK_TIME(FTM_RENDER_GRASS);
 	LLRenderPass::endRenderPass(pass);
 
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		simple_shader->unbind();
 	}
@@ -643,7 +643,7 @@ LLDrawPoolFullbright::LLDrawPoolFullbright() :
 
 void LLDrawPoolFullbright::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
 }
 
 void LLDrawPoolFullbright::beginPostDeferredPass(S32 pass)
@@ -711,7 +711,7 @@ void LLDrawPoolFullbright::endRenderPass(S32 pass)
 
 	stop_glerror();
 
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		fullbright_shader->unbind();
 	}
@@ -726,7 +726,7 @@ void LLDrawPoolFullbright::render(S32 pass)
 
 	stop_glerror();
 
-	if (mVertexShaderLevel > 0)
+	if (mShaderLevel > 0)
 	{
 		fullbright_shader->bind();
 		fullbright_shader->uniform1f(LLViewerShaderMgr::FULLBRIGHT, 1.f);
diff --git a/indra/newview/lldrawpoolsky.cpp b/indra/newview/lldrawpoolsky.cpp
index 4d4711d7c9..516302676d 100644
--- a/indra/newview/lldrawpoolsky.cpp
+++ b/indra/newview/lldrawpoolsky.cpp
@@ -55,7 +55,7 @@ LLDrawPool *LLDrawPoolSky::instancePool()
 
 void LLDrawPoolSky::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_ENVIRONMENT); 
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_ENVIRONMENT); 
 	gSky.mVOSkyp->updateGeometry(gSky.mVOSkyp->mDrawable);
 }
 
@@ -75,7 +75,7 @@ void LLDrawPoolSky::render(S32 pass)
 	}
 	
 	// don't render sky under water (background just gets cleared to fog color)
-	if(mVertexShaderLevel > 0 && LLPipeline::sUnderWaterRender)
+	if(mShaderLevel > 0 && LLPipeline::sUnderWaterRender)
 	{
 		return;
 	}
@@ -100,8 +100,8 @@ void LLDrawPoolSky::render(S32 pass)
 
 	LLGLSPipelineDepthTestSkyBox gls_skybox(true, false);
 
-	LLGLEnable fog_enable( (mVertexShaderLevel < 1 && LLViewerCamera::getInstance()->cameraUnderWater()) ? GL_FOG : 0);
-
+	LLGLEnable fog_enable( (mShaderLevel < 1 && LLViewerCamera::getInstance()->cameraUnderWater()) ? GL_FOG : 0);
+	
 	gGL.pushMatrix();
 	LLVector3 origin = LLViewerCamera::getInstance()->getOrigin();
 	gGL.translatef(origin.mV[0], origin.mV[1], origin.mV[2]);
diff --git a/indra/newview/lldrawpoolterrain.cpp b/indra/newview/lldrawpoolterrain.cpp
index b716a76543..593636b14a 100644
--- a/indra/newview/lldrawpoolterrain.cpp
+++ b/indra/newview/lldrawpoolterrain.cpp
@@ -110,7 +110,7 @@ U32 LLDrawPoolTerrain::getVertexDataMask()
 
 void LLDrawPoolTerrain::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_ENVIRONMENT);
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_ENVIRONMENT);
 	sDetailMode = gSavedSettings.getS32("RenderTerrainDetail");
 }
 
@@ -123,7 +123,7 @@ void LLDrawPoolTerrain::beginRenderPass( S32 pass )
 					&gTerrainWaterProgram :
 					&gTerrainProgram;	
 
-	if (mVertexShaderLevel > 1 && sShader->mShaderLevel > 0)
+	if (mShaderLevel > 1 && sShader->mShaderLevel > 0)
 	{
 		sShader->bind();
 	}
@@ -134,7 +134,7 @@ void LLDrawPoolTerrain::endRenderPass( S32 pass )
 	LL_RECORD_BLOCK_TIME(FTM_RENDER_TERRAIN);
 	//LLFacePool::endRenderPass(pass);
 
-	if (mVertexShaderLevel > 1 && sShader->mShaderLevel > 0) {
+	if (mShaderLevel > 1 && sShader->mShaderLevel > 0) {
 		sShader->unbind();
 	}
 }
@@ -180,7 +180,7 @@ void LLDrawPoolTerrain::render(S32 pass)
 
 	LLGLSPipeline gls;
 	
-	if (mVertexShaderLevel > 1 && sShader->mShaderLevel > 0)
+	if (mShaderLevel > 1 && sShader->mShaderLevel > 0)
 	{
 		gPipeline.enableLightsDynamic();
 
@@ -434,7 +434,7 @@ void LLDrawPoolTerrain::renderFullShader()
 
 void LLDrawPoolTerrain::hilightParcelOwners()
 {
-	if (mVertexShaderLevel > 1)
+	if (mShaderLevel > 1)
 	{ //use fullbright shader for highlighting
 		LLGLSLShader* old_shader = sShader;
 		sShader->unbind();
diff --git a/indra/newview/lldrawpooltree.cpp b/indra/newview/lldrawpooltree.cpp
index b1f40781f7..81b0c8b1bb 100644
--- a/indra/newview/lldrawpooltree.cpp
+++ b/indra/newview/lldrawpooltree.cpp
@@ -57,7 +57,7 @@ LLDrawPool *LLDrawPoolTree::instancePool()
 
 void LLDrawPoolTree::prerender()
 {
-	mVertexShaderLevel = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
+	mShaderLevel = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT);
 }
 
 void LLDrawPoolTree::beginRenderPass(S32 pass)
@@ -138,7 +138,7 @@ void LLDrawPoolTree::endRenderPass(S32 pass)
 		shader->unbind();
 	}
 	
-	if (mVertexShaderLevel <= 0)
+	if (mShaderLevel <= 0)
 	{
 		gGL.setAlphaRejectSettings(LLRender::CF_DEFAULT);
 	}
diff --git a/indra/newview/lldrawpoolwater.cpp b/indra/newview/lldrawpoolwater.cpp
index d217f95cf3..ee37f36cbd 100644
--- a/indra/newview/lldrawpoolwater.cpp
+++ b/indra/newview/lldrawpoolwater.cpp
@@ -113,7 +113,7 @@ LLDrawPool *LLDrawPoolWater::instancePool()
 
 void LLDrawPoolWater::prerender()
 {
-	mVertexShaderLevel = (gGLManager.mHasCubeMap && LLCubeMap::sUseCubeMaps) ? LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_WATER) : 0;
+	mShaderLevel = (gGLManager.mHasCubeMap && LLCubeMap::sUseCubeMaps) ? LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_WATER) : 0;
 }
 
 S32 LLDrawPoolWater::getNumPasses()
@@ -179,7 +179,7 @@ void LLDrawPoolWater::render(S32 pass)
 
 	LLGLEnable blend(GL_BLEND);
 
-	if ((mVertexShaderLevel > 0) && !sSkipScreenCopy)
+	if ((mShaderLevel > 0) && !sSkipScreenCopy)
 	{
 		shade();
 		return;
@@ -618,7 +618,7 @@ void LLDrawPoolWater::shade()
 	S32 screentex = shader->enableTexture(LLShaderMgr::WATER_SCREENTEX);
 	gGL.getTexUnit(screentex)->bind(&gPipeline.mWaterDis);	
 
-	if (mVertexShaderLevel == 1)
+	if (mShaderLevel == 1)
 	{
         LLColor4 fog_color(pwater->getWaterFogColor(), 0.f);
         fog_color[3] = pwater->getWaterFogDensity();
diff --git a/indra/newview/lldrawpoolwlsky.cpp b/indra/newview/lldrawpoolwlsky.cpp
index 8904020ab9..025a4c86e5 100644
--- a/indra/newview/lldrawpoolwlsky.cpp
+++ b/indra/newview/lldrawpoolwlsky.cpp
@@ -375,7 +375,7 @@ void LLDrawPoolWLSky::renderStarsDeferred(void) const
 
     gDeferredStarProgram.uniform1f(LLShaderMgr::BLEND_FACTOR, blend_factor);
 
-    if (LLPipeline::sRenderingWaterReflection)
+    if (LLPipeline::sReflectionRender)
     {
         star_alpha = 1.0f;
     }
diff --git a/indra/newview/lldrawpoolwlsky.h b/indra/newview/lldrawpoolwlsky.h
index e7b4726321..1980ba6878 100644
--- a/indra/newview/lldrawpoolwlsky.h
+++ b/indra/newview/lldrawpoolwlsky.h
@@ -66,7 +66,7 @@ public:
 	/*virtual*/ void prerender();
 	/*virtual*/ U32 getVertexDataMask() { return SKY_VERTEX_DATA_MASK; }
 	/*virtual*/ BOOL verify() const { return TRUE; }		// Verify that all data in the draw pool is correct!
-	/*virtual*/ S32 getVertexShaderLevel() const { return mVertexShaderLevel; }
+	/*virtual*/ S32 getShaderLevel() const { return mShaderLevel; }
 	
 	//static LLDrawPool* createPool(const U32 type, LLViewerTexture *tex0 = NULL);
 
diff --git a/indra/newview/llpanelvolume.cpp b/indra/newview/llpanelvolume.cpp
index 96dd309fa4..4993441508 100644
--- a/indra/newview/llpanelvolume.cpp
+++ b/indra/newview/llpanelvolume.cpp
@@ -560,7 +560,7 @@ void LLPanelVolume::refresh()
 		mRootObject = NULL;
 	}
 
-	BOOL visible = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 0 ? TRUE : FALSE;
+	BOOL visible = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_DEFERRED) > 0 ? TRUE : FALSE;
 
 	getChildView("Light FOV")->setVisible( visible);
 	getChildView("Light Focus")->setVisible( visible);
diff --git a/indra/newview/llviewerdisplay.cpp b/indra/newview/llviewerdisplay.cpp
index 82120db53e..5d01e7e584 100644
--- a/indra/newview/llviewerdisplay.cpp
+++ b/indra/newview/llviewerdisplay.cpp
@@ -653,7 +653,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 		stop_glerror();
 
 		S32 water_clip = 0;
-		if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_ENVIRONMENT) > 1) &&
+		if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_ENVIRONMENT) > 1) &&
 			 (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_WATER) || 
 			  gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_VOIDWATER)))
 		{
@@ -1023,7 +1023,7 @@ void display(BOOL rebuild, F32 zoom_factor, int subfield, BOOL for_snapshot)
 
 		if (LLPipeline::sRenderDeferred)
 		{
-			gPipeline.renderDeferredLighting();
+			gPipeline.renderDeferredLighting(&gPipeline.mScreen);
 		}
 
 		LLPipeline::sUnderWaterRender = FALSE;
diff --git a/indra/newview/llviewerjointmesh.cpp b/indra/newview/llviewerjointmesh.cpp
index 43a81ada49..6990f56a08 100644
--- a/indra/newview/llviewerjointmesh.cpp
+++ b/indra/newview/llviewerjointmesh.cpp
@@ -112,7 +112,7 @@ void LLViewerJointMesh::uploadJointMatrices()
 	S32 joint_num;
 	LLPolyMesh *reference_mesh = mMesh->getReferenceMesh();
 	LLDrawPool *poolp = mFace ? mFace->getPool() : NULL;
-	BOOL hardware_skinning = (poolp && poolp->getVertexShaderLevel() > 0) ? TRUE : FALSE;
+	BOOL hardware_skinning = (poolp && poolp->getShaderLevel() > 0) ? TRUE : FALSE;
 
 	//calculate joint matrices
 	for (joint_num = 0; joint_num < reference_mesh->mJointRenderData.size(); joint_num++)
@@ -246,7 +246,7 @@ U32 LLViewerJointMesh::drawShape( F32 pixelArea, BOOL first_pass, BOOL is_dummy)
 
 	stop_glerror();
 	
-	LLGLSSpecular specular(LLColor4(1.f,1.f,1.f,1.f), (mFace->getPool()->getVertexShaderLevel() > 0 || LLGLSLShader::sNoFixedFunction) ? 0.f : mShiny);
+	LLGLSSpecular specular(LLColor4(1.f,1.f,1.f,1.f), (mFace->getPool()->getShaderLevel() > 0 || LLGLSLShader::sNoFixedFunction) ? 0.f : mShiny);
 
 	//----------------------------------------------------------------
 	// setup current texture
@@ -307,14 +307,14 @@ U32 LLViewerJointMesh::drawShape( F32 pixelArea, BOOL first_pass, BOOL is_dummy)
 
 	if (mMesh->hasWeights())
 	{
-		if ((mFace->getPool()->getVertexShaderLevel() > 0))
+		if ((mFace->getPool()->getShaderLevel() > 0))
 		{
 			if (first_pass)
 			{
 				uploadJointMatrices();
 			}
 			mask = mask | LLVertexBuffer::MAP_WEIGHT;
-			if (mFace->getPool()->getVertexShaderLevel() > 1)
+			if (mFace->getPool()->getShaderLevel() > 1)
 			{
 				mask = mask | LLVertexBuffer::MAP_CLOTHWEIGHT;
 			}
@@ -390,7 +390,7 @@ void LLViewerJointMesh::updateFaceData(LLFace *face, F32 pixel_area, BOOL damp_w
 	}
 
 	LLDrawPool *poolp = mFace->getPool();
-	BOOL hardware_skinning = (poolp && poolp->getVertexShaderLevel() > 0) ? TRUE : FALSE;
+	BOOL hardware_skinning = (poolp && poolp->getShaderLevel() > 0) ? TRUE : FALSE;
 
 	if (!hardware_skinning && terse_update)
 	{ //no need to do terse updates if we're doing software vertex skinning
@@ -538,7 +538,7 @@ void LLViewerJointMesh::updateJointGeometry()
 		  && mFace
 		  && mMesh->hasWeights()
 		  && mFace->getVertexBuffer()
-		  && LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) == 0))
+		  && LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) == 0))
 	{
 		return;
 	}
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 6e500f7962..eeb60f7549 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -2274,8 +2274,8 @@ class LLAdvancedEnableRenderDeferred: public view_listener_t
 {
 	bool handleEvent(const LLSD& userdata)
 	{
-		bool new_value = gGLManager.mHasFramebufferObject && LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_WINDLIGHT) > 1 &&
-			LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) > 0;
+		bool new_value = gGLManager.mHasFramebufferObject && LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_WINDLIGHT) > 1 &&
+			LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) > 0;
 		return new_value;
 	}
 };
@@ -2287,8 +2287,8 @@ class LLAdvancedEnableRenderDeferredOptions: public view_listener_t
 {
 	bool handleEvent(const LLSD& userdata)
 	{
-		bool new_value = gGLManager.mHasFramebufferObject && LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_WINDLIGHT) > 1 &&
-			LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) > 0 && gSavedSettings.getBOOL("RenderDeferred");
+		bool new_value = gGLManager.mHasFramebufferObject && LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_WINDLIGHT) > 1 &&
+			LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) > 0 && gSavedSettings.getBOOL("RenderDeferred");
 		return new_value;
 	}
 };
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index f4f9a3a0c2..bb3ad4bea6 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -247,7 +247,7 @@ LLGLSLShader			gDeferredMaterialProgram[LLMaterial::SHADER_COUNT*2];
 LLGLSLShader			gDeferredMaterialWaterProgram[LLMaterial::SHADER_COUNT*2];
 
 LLViewerShaderMgr::LLViewerShaderMgr() :
-	mVertexShaderLevel(SHADER_COUNT, 0),
+	mShaderLevel(SHADER_COUNT, 0),
 	mMaxAvatarShaderLevel(0)
 {	
 	/// Make sure WL Sky is the first program
@@ -354,7 +354,7 @@ LLViewerShaderMgr::LLViewerShaderMgr() :
 
 LLViewerShaderMgr::~LLViewerShaderMgr()
 {
-	mVertexShaderLevel.clear();
+	mShaderLevel.clear();
 	mShaderList.clear();
 }
 
@@ -391,9 +391,9 @@ void LLViewerShaderMgr::initAttribsAndUniforms(void)
 //============================================================================
 // Set Levels
 
-S32 LLViewerShaderMgr::getVertexShaderLevel(S32 type)
+S32 LLViewerShaderMgr::getShaderLevel(S32 type)
 {
-	return LLPipeline::sDisableShaders ? 0 : mVertexShaderLevel[type];
+	return LLPipeline::sDisableShaders ? 0 : mShaderLevel[type];
 }
 
 //============================================================================
@@ -468,7 +468,7 @@ void LLViewerShaderMgr::setShaders()
 
 	for (S32 i = 0; i < SHADER_COUNT; i++)
 	{
-		mVertexShaderLevel[i] = 0;
+		mShaderLevel[i] = 0;
 	}
 	mMaxAvatarShaderLevel = 0;
 
@@ -526,22 +526,22 @@ void LLViewerShaderMgr::setShaders()
 		}
 
 		// Trigger a full rebuild of the fallback skybox / cubemap if we've toggled windlight shaders
-		if (mVertexShaderLevel[SHADER_WINDLIGHT] != wl_class && gSky.mVOSkyp.notNull())
+		if (mShaderLevel[SHADER_WINDLIGHT] != wl_class && gSky.mVOSkyp.notNull())
 		{
 			gSky.mVOSkyp->forceSkyUpdate();
 		}
 
 		
 		// Load lighting shaders
-		mVertexShaderLevel[SHADER_LIGHTING] = light_class;
-		mVertexShaderLevel[SHADER_INTERFACE] = light_class;
-		mVertexShaderLevel[SHADER_ENVIRONMENT] = env_class;
-		mVertexShaderLevel[SHADER_WATER] = water_class;
-		mVertexShaderLevel[SHADER_OBJECT] = obj_class;
-		mVertexShaderLevel[SHADER_EFFECT] = effect_class;
-		mVertexShaderLevel[SHADER_WINDLIGHT] = wl_class;
-		mVertexShaderLevel[SHADER_DEFERRED] = deferred_class;
-		mVertexShaderLevel[SHADER_TRANSFORM] = transform_class;
+		mShaderLevel[SHADER_LIGHTING] = light_class;
+		mShaderLevel[SHADER_INTERFACE] = light_class;
+		mShaderLevel[SHADER_ENVIRONMENT] = env_class;
+		mShaderLevel[SHADER_WATER] = water_class;
+		mShaderLevel[SHADER_OBJECT] = obj_class;
+		mShaderLevel[SHADER_EFFECT] = effect_class;
+		mShaderLevel[SHADER_WINDLIGHT] = wl_class;
+		mShaderLevel[SHADER_DEFERRED] = deferred_class;
+		mShaderLevel[SHADER_TRANSFORM] = transform_class;
 
 		BOOL loaded = loadBasicShaders();
         if (loaded)
@@ -646,7 +646,7 @@ void LLViewerShaderMgr::setShaders()
 			if (loaded)
 			{
 				// Load max avatar shaders to set the max level
-				mVertexShaderLevel[SHADER_AVATAR] = 3;
+				mShaderLevel[SHADER_AVATAR] = 3;
 				mMaxAvatarShaderLevel = 3;
 				
 				if (gSavedSettings.getBOOL("RenderAvatarVP") && loadShadersObject())
@@ -657,17 +657,18 @@ void LLViewerShaderMgr::setShaders()
 					S32 avatar_class = avatar_cloth ? 3 : 1;
 				
 					// Set the actual level
-					mVertexShaderLevel[SHADER_AVATAR] = avatar_class;
+					mShaderLevel[SHADER_AVATAR] = avatar_class;
+
 					loaded = loadShadersAvatar();
                     llassert(loaded);
 
-					if (mVertexShaderLevel[SHADER_AVATAR] != avatar_class)
+					if (mShaderLevel[SHADER_AVATAR] != avatar_class)
 					{
-						if (mVertexShaderLevel[SHADER_AVATAR] == 0)
+						if (mShaderLevel[SHADER_AVATAR] == 0)
 						{
 							gSavedSettings.setBOOL("RenderAvatarVP", FALSE);
 						}
-						if(llmax(mVertexShaderLevel[SHADER_AVATAR]-1,0) >= 3)
+						if(llmax(mShaderLevel[SHADER_AVATAR]-1,0) >= 3)
 						{
 							avatar_cloth = true;
 						}
@@ -680,8 +681,8 @@ void LLViewerShaderMgr::setShaders()
 				}
 				else
 				{ //hardware skinning not possible, neither is deferred rendering
-					mVertexShaderLevel[SHADER_AVATAR] = 0;
-					mVertexShaderLevel[SHADER_DEFERRED] = 0;
+					mShaderLevel[SHADER_AVATAR] = 0;
+					mShaderLevel[SHADER_DEFERRED] = 0;
 
 					if (gSavedSettings.getBOOL("RenderAvatarVP"))
 					{
@@ -734,14 +735,14 @@ void LLViewerShaderMgr::setShaders()
 			LLGLSLShader::sNoFixedFunction = false;
 			gPipeline.mVertexShadersEnabled = FALSE;
 			gPipeline.mVertexShadersLoaded = 0;
-			mVertexShaderLevel[SHADER_LIGHTING] = 0;
-			mVertexShaderLevel[SHADER_INTERFACE] = 0;
-			mVertexShaderLevel[SHADER_ENVIRONMENT] = 0;
-			mVertexShaderLevel[SHADER_WATER] = 0;
-			mVertexShaderLevel[SHADER_OBJECT] = 0;
-			mVertexShaderLevel[SHADER_EFFECT] = 0;
-			mVertexShaderLevel[SHADER_WINDLIGHT] = 0;
-			mVertexShaderLevel[SHADER_AVATAR] = 0;
+			mShaderLevel[SHADER_LIGHTING] = 0;
+			mShaderLevel[SHADER_INTERFACE] = 0;
+			mShaderLevel[SHADER_ENVIRONMENT] = 0;
+			mShaderLevel[SHADER_WATER] = 0;
+			mShaderLevel[SHADER_OBJECT] = 0;
+			mShaderLevel[SHADER_EFFECT] = 0;
+			mShaderLevel[SHADER_WINDLIGHT] = 0;
+			mShaderLevel[SHADER_AVATAR] = 0;
 		}
 	}
 	else
@@ -749,14 +750,14 @@ void LLViewerShaderMgr::setShaders()
 		LLGLSLShader::sNoFixedFunction = false;
 		gPipeline.mVertexShadersEnabled = FALSE;
 		gPipeline.mVertexShadersLoaded = 0;
-		mVertexShaderLevel[SHADER_LIGHTING] = 0;
-		mVertexShaderLevel[SHADER_INTERFACE] = 0;
-		mVertexShaderLevel[SHADER_ENVIRONMENT] = 0;
-		mVertexShaderLevel[SHADER_WATER] = 0;
-		mVertexShaderLevel[SHADER_OBJECT] = 0;
-		mVertexShaderLevel[SHADER_EFFECT] = 0;
-		mVertexShaderLevel[SHADER_WINDLIGHT] = 0;
-		mVertexShaderLevel[SHADER_AVATAR] = 0;
+		mShaderLevel[SHADER_LIGHTING] = 0;
+		mShaderLevel[SHADER_INTERFACE] = 0;
+		mShaderLevel[SHADER_ENVIRONMENT] = 0;
+		mShaderLevel[SHADER_WATER] = 0;
+		mShaderLevel[SHADER_OBJECT] = 0;
+		mShaderLevel[SHADER_EFFECT] = 0;
+		mShaderLevel[SHADER_WINDLIGHT] = 0;
+		mShaderLevel[SHADER_AVATAR] = 0;
 	}
 	
 	if (gViewerWindow)
@@ -885,15 +886,15 @@ void LLViewerShaderMgr::unloadShaders()
 	gTransformColorProgram.unload();
 	gTransformTangentProgram.unload();
 
-	mVertexShaderLevel[SHADER_LIGHTING] = 0;
-	mVertexShaderLevel[SHADER_OBJECT] = 0;
-	mVertexShaderLevel[SHADER_AVATAR] = 0;
-	mVertexShaderLevel[SHADER_ENVIRONMENT] = 0;
-	mVertexShaderLevel[SHADER_WATER] = 0;
-	mVertexShaderLevel[SHADER_INTERFACE] = 0;
-	mVertexShaderLevel[SHADER_EFFECT] = 0;
-	mVertexShaderLevel[SHADER_WINDLIGHT] = 0;
-	mVertexShaderLevel[SHADER_TRANSFORM] = 0;
+	mShaderLevel[SHADER_LIGHTING] = 0;
+	mShaderLevel[SHADER_OBJECT] = 0;
+	mShaderLevel[SHADER_AVATAR] = 0;
+	mShaderLevel[SHADER_ENVIRONMENT] = 0;
+	mShaderLevel[SHADER_WATER] = 0;
+	mShaderLevel[SHADER_INTERFACE] = 0;
+	mShaderLevel[SHADER_EFFECT] = 0;
+	mShaderLevel[SHADER_WINDLIGHT] = 0;
+	mShaderLevel[SHADER_TRANSFORM] = 0;
 
 	gPipeline.mVertexShadersLoaded = 0;
 }
@@ -936,16 +937,16 @@ BOOL LLViewerShaderMgr::loadBasicShaders()
 	// (in order of shader function call depth for reference purposes, deepest level first)
 
 	vector< pair<string, S32> > shaders;
-	shaders.push_back( make_pair( "windlight/atmosphericsVarsV.glsl",		mVertexShaderLevel[SHADER_WINDLIGHT] ) );
-	shaders.push_back( make_pair( "windlight/atmosphericsVarsWaterV.glsl",	mVertexShaderLevel[SHADER_WINDLIGHT] ) );
-	shaders.push_back( make_pair( "windlight/atmosphericsHelpersV.glsl",	mVertexShaderLevel[SHADER_WINDLIGHT] ) );
-	shaders.push_back( make_pair( "lighting/lightFuncV.glsl",				mVertexShaderLevel[SHADER_LIGHTING] ) );
+	shaders.push_back( make_pair( "windlight/atmosphericsVarsV.glsl",		mShaderLevel[SHADER_WINDLIGHT] ) );
+	shaders.push_back( make_pair( "windlight/atmosphericsVarsWaterV.glsl",	mShaderLevel[SHADER_WINDLIGHT] ) );
+	shaders.push_back( make_pair( "windlight/atmosphericsHelpersV.glsl",	mShaderLevel[SHADER_WINDLIGHT] ) );
+	shaders.push_back( make_pair( "lighting/lightFuncV.glsl",				mShaderLevel[SHADER_LIGHTING] ) );
 	shaders.push_back( make_pair( "lighting/sumLightsV.glsl",				sum_lights_class ) );
-	shaders.push_back( make_pair( "lighting/lightV.glsl",					mVertexShaderLevel[SHADER_LIGHTING] ) );
-	shaders.push_back( make_pair( "lighting/lightFuncSpecularV.glsl",		mVertexShaderLevel[SHADER_LIGHTING] ) );
+	shaders.push_back( make_pair( "lighting/lightV.glsl",					mShaderLevel[SHADER_LIGHTING] ) );
+	shaders.push_back( make_pair( "lighting/lightFuncSpecularV.glsl",		mShaderLevel[SHADER_LIGHTING] ) );
 	shaders.push_back( make_pair( "lighting/sumLightsSpecularV.glsl",		sum_lights_class ) );
-	shaders.push_back( make_pair( "lighting/lightSpecularV.glsl",			mVertexShaderLevel[SHADER_LIGHTING] ) );
-	shaders.push_back( make_pair( "windlight/atmosphericsV.glsl",			mVertexShaderLevel[SHADER_WINDLIGHT] ) );
+	shaders.push_back( make_pair( "lighting/lightSpecularV.glsl",			mShaderLevel[SHADER_LIGHTING] ) );
+	shaders.push_back( make_pair( "windlight/atmosphericsV.glsl",			mShaderLevel[SHADER_WINDLIGHT] ) );
 	shaders.push_back( make_pair( "avatar/avatarSkinV.glsl",				1 ) );
 	shaders.push_back( make_pair( "avatar/objectSkinV.glsl",				1 ) );
 	if (gGLManager.mGLSLVersionMajor >= 2 || gGLManager.mGLSLVersionMinor >= 30)
@@ -981,44 +982,44 @@ BOOL LLViewerShaderMgr::loadBasicShaders()
 	}
 
 	std::vector<S32> index_channels;    
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/atmosphericsVarsF.glsl",		mVertexShaderLevel[SHADER_WINDLIGHT] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/atmosphericsVarsWaterF.glsl",		mVertexShaderLevel[SHADER_WINDLIGHT] ) );
-    index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/atmosphericsHelpersF.glsl",		mVertexShaderLevel[SHADER_WINDLIGHT] ) );	
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/atmosphericsF.glsl",			mVertexShaderLevel[SHADER_WINDLIGHT] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/transportF.glsl",				mVertexShaderLevel[SHADER_WINDLIGHT] ) );	
-    index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/gammaF.glsl",					mVertexShaderLevel[SHADER_WINDLIGHT]) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "environment/waterFogF.glsl",				mVertexShaderLevel[SHADER_WATER] ) );
-    index_channels.push_back(-1);	 shaders.push_back( make_pair( "environment/encodeNormF.glsl",				    mVertexShaderLevel[SHADER_ENVIRONMENT] ) );
-    index_channels.push_back(-1);	 shaders.push_back( make_pair( "environment/decodeNormF.glsl",				    mVertexShaderLevel[SHADER_ENVIRONMENT] ) );
-    index_channels.push_back(-1);	 shaders.push_back( make_pair( "environment/srgbF.glsl",				    mVertexShaderLevel[SHADER_ENVIRONMENT] ) );
-#if USE_DEFERRED_SHADER_API
-    index_channels.push_back(-1);	 shaders.push_back( make_pair( "deferred/deferredUtil.glsl",				    mVertexShaderLevel[SHADER_DEFERRED] ) );
-    index_channels.push_back(-1);	 shaders.push_back( make_pair( "deferred/indirect.glsl",				    mVertexShaderLevel[SHADER_DEFERRED] ) );
-#endif
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightNonIndexedF.glsl",					mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightAlphaMaskNonIndexedF.glsl",					mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightNonIndexedF.glsl",			mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightNonIndexedAlphaMaskF.glsl",			mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightWaterNonIndexedF.glsl",				mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightWaterAlphaMaskNonIndexedF.glsl",				mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightWaterNonIndexedF.glsl",	mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightWaterNonIndexedAlphaMaskF.glsl",	mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightShinyNonIndexedF.glsl",				mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightShinyNonIndexedF.glsl",	mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightShinyWaterNonIndexedF.glsl",			mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightShinyWaterNonIndexedF.glsl", mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightF.glsl",					mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightAlphaMaskF.glsl",					mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightF.glsl",			mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightAlphaMaskF.glsl",			mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightWaterF.glsl",				mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightWaterAlphaMaskF.glsl",	mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightWaterF.glsl",	mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightWaterAlphaMaskF.glsl",	mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightShinyF.glsl",				mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightShinyF.glsl",	mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightShinyWaterF.glsl",			mVertexShaderLevel[SHADER_LIGHTING] ) );
-	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightShinyWaterF.glsl", mVertexShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/atmosphericsVarsF.glsl",		mShaderLevel[SHADER_WINDLIGHT] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/atmosphericsVarsWaterF.glsl",		mShaderLevel[SHADER_WINDLIGHT] ) );
+    index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/atmosphericsHelpersF.glsl",		mShaderLevel[SHADER_WINDLIGHT] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/gammaF.glsl",					mShaderLevel[SHADER_WINDLIGHT]) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/atmosphericsF.glsl",			mShaderLevel[SHADER_WINDLIGHT] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "windlight/transportF.glsl",				mShaderLevel[SHADER_WINDLIGHT] ) );	
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "environment/waterFogF.glsl",				mShaderLevel[SHADER_WATER] ) );
+    index_channels.push_back(-1);	 shaders.push_back( make_pair( "environment/encodeNormF.glsl",				    mShaderLevel[SHADER_ENVIRONMENT] ) );
+    index_channels.push_back(-1);	 shaders.push_back( make_pair( "environment/decodeNormF.glsl",				    mShaderLevel[SHADER_ENVIRONMENT] ) );
+    index_channels.push_back(-1);	 shaders.push_back( make_pair( "environment/srgbF.glsl",				    mShaderLevel[SHADER_ENVIRONMENT] ) );
+    index_channels.push_back(-1);	 shaders.push_back( make_pair( "deferred/deferredUtil.glsl",				    mShaderLevel[SHADER_DEFERRED] ) );
+    index_channels.push_back(-1);	 shaders.push_back( make_pair( "deferred/shadowUtil.glsl",				    mShaderLevel[SHADER_DEFERRED] ) );
+    index_channels.push_back(-1);	 shaders.push_back( make_pair( "deferred/aoUtil.glsl",				    mShaderLevel[SHADER_DEFERRED] ) );
+    index_channels.push_back(-1);	 shaders.push_back( make_pair( "deferred/indirect.glsl",				    mShaderLevel[SHADER_DEFERRED] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightNonIndexedF.glsl",					mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightAlphaMaskNonIndexedF.glsl",					mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightNonIndexedF.glsl",			mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightNonIndexedAlphaMaskF.glsl",			mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightWaterNonIndexedF.glsl",				mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightWaterAlphaMaskNonIndexedF.glsl",				mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightWaterNonIndexedF.glsl",	mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightWaterNonIndexedAlphaMaskF.glsl",	mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightShinyNonIndexedF.glsl",				mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightShinyNonIndexedF.glsl",	mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightShinyWaterNonIndexedF.glsl",			mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(-1);	 shaders.push_back( make_pair( "lighting/lightFullbrightShinyWaterNonIndexedF.glsl", mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightF.glsl",					mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightAlphaMaskF.glsl",					mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightF.glsl",			mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightAlphaMaskF.glsl",			mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightWaterF.glsl",				mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightWaterAlphaMaskF.glsl",	mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightWaterF.glsl",	mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightWaterAlphaMaskF.glsl",	mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightShinyF.glsl",				mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightShinyF.glsl",	mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightShinyWaterF.glsl",			mShaderLevel[SHADER_LIGHTING] ) );
+	index_channels.push_back(ch);	 shaders.push_back( make_pair( "lighting/lightFullbrightShinyWaterF.glsl", mShaderLevel[SHADER_LIGHTING] ) );
 	
 	for (U32 i = 0; i < shaders.size(); i++)
 	{
@@ -1037,7 +1038,7 @@ BOOL LLViewerShaderMgr::loadShadersEnvironment()
 {
 	BOOL success = TRUE;
 
-	if (mVertexShaderLevel[SHADER_ENVIRONMENT] == 0)
+	if (mShaderLevel[SHADER_ENVIRONMENT] == 0)
 	{
 		gTerrainProgram.unload();
 		return TRUE;
@@ -1048,21 +1049,24 @@ BOOL LLViewerShaderMgr::loadShadersEnvironment()
 		gTerrainProgram.mName = "Terrain Shader";
 		gTerrainProgram.mFeatures.calculatesLighting = true;
 		gTerrainProgram.mFeatures.calculatesAtmospherics = true;
-		gTerrainProgram.mFeatures.hasAtmospherics = true;
+        gTerrainProgram.mFeatures.hasAtmospherics = true;
+        gTerrainProgram.mFeatures.hasTransport = true;
+        gTerrainProgram.mFeatures.hasGamma = true;
+        gTerrainProgram.mFeatures.hasSrgb = true;
 		gTerrainProgram.mFeatures.mIndexedTextureChannels = 0;
 		gTerrainProgram.mFeatures.disableTextureIndex = true;
 		gTerrainProgram.mFeatures.hasGamma = true;
 		gTerrainProgram.mShaderFiles.clear();
 		gTerrainProgram.mShaderFiles.push_back(make_pair("environment/terrainV.glsl", GL_VERTEX_SHADER_ARB));
 		gTerrainProgram.mShaderFiles.push_back(make_pair("environment/terrainF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gTerrainProgram.mShaderLevel = mVertexShaderLevel[SHADER_ENVIRONMENT];
+		gTerrainProgram.mShaderLevel = mShaderLevel[SHADER_ENVIRONMENT];
 		success = gTerrainProgram.createShader(NULL, NULL);
         llassert(success);
 	}
 
 	if (!success)
 	{
-		mVertexShaderLevel[SHADER_ENVIRONMENT] = 0;
+		mShaderLevel[SHADER_ENVIRONMENT] = 0;
 		return FALSE;
 	}
 	
@@ -1076,7 +1080,7 @@ BOOL LLViewerShaderMgr::loadShadersWater()
 	BOOL success = TRUE;
 	BOOL terrainWaterSuccess = TRUE;
 
-	if (mVertexShaderLevel[SHADER_WATER] == 0)
+	if (mShaderLevel[SHADER_WATER] == 0)
 	{
 		gWaterProgram.unload();
 		gUnderWaterProgram.unload();
@@ -1095,7 +1099,7 @@ BOOL LLViewerShaderMgr::loadShadersWater()
 		gWaterProgram.mShaderFiles.push_back(make_pair("environment/waterV.glsl", GL_VERTEX_SHADER_ARB));
 		gWaterProgram.mShaderFiles.push_back(make_pair("environment/waterF.glsl", GL_FRAGMENT_SHADER_ARB));
         gWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
-		gWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_WATER];
+		gWaterProgram.mShaderLevel = mShaderLevel[SHADER_WATER];
 		success = gWaterProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1109,7 +1113,7 @@ BOOL LLViewerShaderMgr::loadShadersWater()
 		gUnderWaterProgram.mShaderFiles.clear();
 		gUnderWaterProgram.mShaderFiles.push_back(make_pair("environment/waterV.glsl", GL_VERTEX_SHADER_ARB));
 		gUnderWaterProgram.mShaderFiles.push_back(make_pair("environment/underWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gUnderWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_WATER];        
+		gUnderWaterProgram.mShaderLevel = mShaderLevel[SHADER_WATER];        
 		gUnderWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;		
 		success = gUnderWaterProgram.createShader(NULL, NULL);
         llassert(success);
@@ -1128,30 +1132,30 @@ BOOL LLViewerShaderMgr::loadShadersWater()
 		gTerrainWaterProgram.mShaderFiles.clear();
 		gTerrainWaterProgram.mShaderFiles.push_back(make_pair("environment/terrainV.glsl", GL_VERTEX_SHADER_ARB));
 		gTerrainWaterProgram.mShaderFiles.push_back(make_pair("environment/terrainWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gTerrainWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_ENVIRONMENT];
+		gTerrainWaterProgram.mShaderLevel = mShaderLevel[SHADER_ENVIRONMENT];
 		gTerrainWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		terrainWaterSuccess = gTerrainWaterProgram.createShader(NULL, NULL);
         llassert(terrainWaterSuccess);
 	}	
 
 	/// Keep track of water shader levels
-	if (gWaterProgram.mShaderLevel != mVertexShaderLevel[SHADER_WATER]
-		|| gUnderWaterProgram.mShaderLevel != mVertexShaderLevel[SHADER_WATER])
+	if (gWaterProgram.mShaderLevel != mShaderLevel[SHADER_WATER]
+		|| gUnderWaterProgram.mShaderLevel != mShaderLevel[SHADER_WATER])
 	{
-		mVertexShaderLevel[SHADER_WATER] = llmin(gWaterProgram.mShaderLevel, gUnderWaterProgram.mShaderLevel);
+		mShaderLevel[SHADER_WATER] = llmin(gWaterProgram.mShaderLevel, gUnderWaterProgram.mShaderLevel);
 	}
 
 	if (!success)
 	{
-		mVertexShaderLevel[SHADER_WATER] = 0;
+		mShaderLevel[SHADER_WATER] = 0;
 		return FALSE;
 	}
 
 	// if we failed to load the terrain water shaders and we need them (using class2 water),
 	// then drop down to class1 water.
-	if (mVertexShaderLevel[SHADER_WATER] > 1 && !terrainWaterSuccess)
+	if (mShaderLevel[SHADER_WATER] > 1 && !terrainWaterSuccess)
 	{
-		mVertexShaderLevel[SHADER_WATER]--;
+		mShaderLevel[SHADER_WATER]--;
 		return loadShadersWater();
 	}
 	
@@ -1164,7 +1168,7 @@ BOOL LLViewerShaderMgr::loadShadersEffects()
 {
 	BOOL success = TRUE;
 
-	if (mVertexShaderLevel[SHADER_EFFECT] == 0)
+	if (mShaderLevel[SHADER_EFFECT] == 0)
 	{
 		gGlowProgram.unload();
 		gGlowExtractProgram.unload();
@@ -1179,7 +1183,7 @@ BOOL LLViewerShaderMgr::loadShadersEffects()
 		gGlowProgram.mShaderFiles.clear();
 		gGlowProgram.mShaderFiles.push_back(make_pair("effects/glowV.glsl", GL_VERTEX_SHADER_ARB));
 		gGlowProgram.mShaderFiles.push_back(make_pair("effects/glowF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gGlowProgram.mShaderLevel = mVertexShaderLevel[SHADER_EFFECT];
+		gGlowProgram.mShaderLevel = mShaderLevel[SHADER_EFFECT];
 		success = gGlowProgram.createShader(NULL, NULL);
 		if (!success)
 		{
@@ -1193,7 +1197,7 @@ BOOL LLViewerShaderMgr::loadShadersEffects()
 		gGlowExtractProgram.mShaderFiles.clear();
 		gGlowExtractProgram.mShaderFiles.push_back(make_pair("effects/glowExtractV.glsl", GL_VERTEX_SHADER_ARB));
 		gGlowExtractProgram.mShaderFiles.push_back(make_pair("effects/glowExtractF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gGlowExtractProgram.mShaderLevel = mVertexShaderLevel[SHADER_EFFECT];
+		gGlowExtractProgram.mShaderLevel = mShaderLevel[SHADER_EFFECT];
 		success = gGlowExtractProgram.createShader(NULL, NULL);
 		if (!success)
 		{
@@ -1207,7 +1211,9 @@ BOOL LLViewerShaderMgr::loadShadersEffects()
 
 BOOL LLViewerShaderMgr::loadShadersDeferred()
 {
-	if (mVertexShaderLevel[SHADER_DEFERRED] == 0)
+    bool use_sun_shadow = mShaderLevel[SHADER_DEFERRED] > 1;
+
+	if (mShaderLevel[SHADER_DEFERRED] == 0)
 	{
 		gDeferredTreeProgram.unload();
 		gDeferredTreeShadowProgram.unload();
@@ -1279,11 +1285,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredDiffuseProgram.mName = "Deferred Diffuse Shader";
         gDeferredDiffuseProgram.mFeatures.encodesNormal = true;
+        gDeferredDiffuseProgram.mFeatures.isDeferred = true;
 		gDeferredDiffuseProgram.mShaderFiles.clear();
 		gDeferredDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseIndexedF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredDiffuseProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
-		gDeferredDiffuseProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredDiffuseProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredDiffuseProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1292,11 +1299,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredDiffuseAlphaMaskProgram.mName = "Deferred Diffuse Alpha Mask Shader";
         gDeferredDiffuseAlphaMaskProgram.mFeatures.encodesNormal = true;
+        gDeferredDiffuseAlphaMaskProgram.mFeatures.isDeferred = true;
 		gDeferredDiffuseAlphaMaskProgram.mShaderFiles.clear();
 		gDeferredDiffuseAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/diffuseV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredDiffuseAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/diffuseAlphaMaskIndexedF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredDiffuseAlphaMaskProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
-		gDeferredDiffuseAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredDiffuseAlphaMaskProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredDiffuseAlphaMaskProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1305,10 +1313,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredNonIndexedDiffuseAlphaMaskProgram.mName = "Deferred Diffuse Non-Indexed Alpha Mask Shader";
         gDeferredNonIndexedDiffuseAlphaMaskProgram.mFeatures.encodesNormal = true;
+        gDeferredNonIndexedDiffuseAlphaMaskProgram.mFeatures.isDeferred = true;
 		gDeferredNonIndexedDiffuseAlphaMaskProgram.mShaderFiles.clear();
 		gDeferredNonIndexedDiffuseAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/diffuseV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredNonIndexedDiffuseAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/diffuseAlphaMaskF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredNonIndexedDiffuseAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredNonIndexedDiffuseAlphaMaskProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredNonIndexedDiffuseAlphaMaskProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1317,10 +1326,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mName = "Deferred Diffuse Non-Indexed Alpha Mask Shader";
         gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mFeatures.encodesNormal = true;
+        gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mFeatures.isDeferred = true;
 		gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mShaderFiles.clear();
 		gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mShaderFiles.push_back(make_pair("deferred/diffuseNoColorV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mShaderFiles.push_back(make_pair("deferred/diffuseAlphaMaskNoColorF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredNonIndexedDiffuseAlphaMaskNoColorProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1329,10 +1339,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredNonIndexedDiffuseProgram.mName = "Non Indexed Deferred Diffuse Shader";
         gDeferredNonIndexedDiffuseProgram.mFeatures.encodesNormal = true;
+        gDeferredNonIndexedDiffuseProgram.mFeatures.isDeferred = true;
 		gDeferredNonIndexedDiffuseProgram.mShaderFiles.clear();
 		gDeferredNonIndexedDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredNonIndexedDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredNonIndexedDiffuseProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredNonIndexedDiffuseProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredNonIndexedDiffuseProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1342,10 +1353,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSkinnedDiffuseProgram.mName = "Deferred Skinned Diffuse Shader";
 		gDeferredSkinnedDiffuseProgram.mFeatures.hasObjectSkinning = true;
         gDeferredSkinnedDiffuseProgram.mFeatures.encodesNormal = true;
+        gDeferredSkinnedDiffuseProgram.mFeatures.isDeferred = true;
 		gDeferredSkinnedDiffuseProgram.mShaderFiles.clear();
 		gDeferredSkinnedDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedDiffuseProgram.mShaderFiles.push_back(make_pair("deferred/diffuseF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredSkinnedDiffuseProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredSkinnedDiffuseProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredSkinnedDiffuseProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1355,10 +1367,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSkinnedBumpProgram.mName = "Deferred Skinned Bump Shader";
 		gDeferredSkinnedBumpProgram.mFeatures.hasObjectSkinning = true;
         gDeferredSkinnedBumpProgram.mFeatures.encodesNormal = true;
+        gDeferredSkinnedBumpProgram.mFeatures.isDeferred = true;
 		gDeferredSkinnedBumpProgram.mShaderFiles.clear();
 		gDeferredSkinnedBumpProgram.mShaderFiles.push_back(make_pair("deferred/bumpSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedBumpProgram.mShaderFiles.push_back(make_pair("deferred/bumpF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredSkinnedBumpProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredSkinnedBumpProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredSkinnedBumpProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1378,15 +1391,18 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredSkinnedAlphaProgram.mFeatures.hasAtmospherics = true;
         gDeferredSkinnedAlphaProgram.mFeatures.hasTransport = true;
         gDeferredSkinnedAlphaProgram.mFeatures.hasGamma = true;
+        gDeferredSkinnedAlphaProgram.mFeatures.hasShadows = true;
+        gDeferredSkinnedAlphaProgram.mFeatures.hasIndirect = true;
+        gDeferredSkinnedAlphaProgram.mFeatures.isDeferred = true;
 
 		gDeferredSkinnedAlphaProgram.mShaderFiles.clear();
 		gDeferredSkinnedAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredSkinnedAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredSkinnedAlphaProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		gDeferredSkinnedAlphaProgram.addPermutation("USE_DIFFUSE_TEX", "1");
 		gDeferredSkinnedAlphaProgram.addPermutation("HAS_SKIN", "1");
 		gDeferredSkinnedAlphaProgram.addPermutation("USE_VERTEX_COLOR", "1");
-		gDeferredSkinnedAlphaProgram.addPermutation("HAS_SHADOW", mVertexShaderLevel[SHADER_DEFERRED] > 1 ? "1" : "0");
+		gDeferredSkinnedAlphaProgram.addPermutation("HAS_SHADOW", use_sun_shadow ? "1" : "0");
 		success = gDeferredSkinnedAlphaProgram.createShader(NULL, NULL);
 		llassert(success);
 
@@ -1399,10 +1415,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredBumpProgram.mName = "Deferred Bump Shader";
         gDeferredBumpProgram.mFeatures.encodesNormal = true;
+        gDeferredBumpProgram.mFeatures.isDeferred = true;
 		gDeferredBumpProgram.mShaderFiles.clear();
 		gDeferredBumpProgram.mShaderFiles.push_back(make_pair("deferred/bumpV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredBumpProgram.mShaderFiles.push_back(make_pair("deferred/bumpF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredBumpProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredBumpProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredBumpProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1436,21 +1453,24 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 			gDeferredMaterialProgram[i].mShaderFiles.clear();
 			gDeferredMaterialProgram[i].mShaderFiles.push_back(make_pair("deferred/materialV.glsl", GL_VERTEX_SHADER_ARB));
 			gDeferredMaterialProgram[i].mShaderFiles.push_back(make_pair("deferred/materialF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gDeferredMaterialProgram[i].mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+			gDeferredMaterialProgram[i].mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 			gDeferredMaterialProgram[i].addPermutation("HAS_NORMAL_MAP", i & 0x8? "1" : "0");
 			gDeferredMaterialProgram[i].addPermutation("HAS_SPECULAR_MAP", i & 0x4 ? "1" : "0");
 			gDeferredMaterialProgram[i].addPermutation("DIFFUSE_ALPHA_MODE", llformat("%d", alpha_mode));
-			gDeferredMaterialProgram[i].addPermutation("HAS_SUN_SHADOW", mVertexShaderLevel[SHADER_DEFERRED] > 1 ? "1" : "0");
+			gDeferredMaterialProgram[i].addPermutation("HAS_SUN_SHADOW", use_sun_shadow ? "1" : "0");
 			bool has_skin = i & 0x10;
 			gDeferredMaterialProgram[i].addPermutation("HAS_SKIN",has_skin ? "1" : "0");
 
 			gDeferredMaterialProgram[i].mFeatures.hasSrgb = true;
-            gDeferredMaterialProgram[i].mFeatures.hasGamma = true;
             gDeferredMaterialProgram[i].mFeatures.hasTransport = true;
             gDeferredMaterialProgram[i].mFeatures.decodesNormal = true;
             gDeferredMaterialProgram[i].mFeatures.encodesNormal = true;
             gDeferredMaterialProgram[i].mFeatures.calculatesAtmospherics = true;
             gDeferredMaterialProgram[i].mFeatures.hasAtmospherics = true;
+            gDeferredMaterialProgram[i].mFeatures.hasGamma = true;
+            gDeferredMaterialProgram[i].mFeatures.hasShadows = true;
+            gDeferredMaterialProgram[i].mFeatures.hasIndirect = true;
+            gDeferredMaterialProgram[i].mFeatures.isDeferred = true;
 
 			if (has_skin)
 			{
@@ -1470,25 +1490,29 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 			gDeferredMaterialWaterProgram[i].mShaderFiles.clear();
 			gDeferredMaterialWaterProgram[i].mShaderFiles.push_back(make_pair("deferred/materialV.glsl", GL_VERTEX_SHADER_ARB));
 			gDeferredMaterialWaterProgram[i].mShaderFiles.push_back(make_pair("deferred/materialF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gDeferredMaterialWaterProgram[i].mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+			gDeferredMaterialWaterProgram[i].mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 			gDeferredMaterialWaterProgram[i].mShaderGroup = LLGLSLShader::SG_WATER;
 
 			gDeferredMaterialWaterProgram[i].addPermutation("HAS_NORMAL_MAP", i & 0x8? "1" : "0");
 			gDeferredMaterialWaterProgram[i].addPermutation("HAS_SPECULAR_MAP", i & 0x4 ? "1" : "0");
 			gDeferredMaterialWaterProgram[i].addPermutation("DIFFUSE_ALPHA_MODE", llformat("%d", alpha_mode));
-			gDeferredMaterialWaterProgram[i].addPermutation("HAS_SUN_SHADOW", mVertexShaderLevel[SHADER_DEFERRED] > 1 ? "1" : "0");
+			gDeferredMaterialWaterProgram[i].addPermutation("HAS_SUN_SHADOW", use_sun_shadow ? "1" : "0");
 			bool has_skin = i & 0x10;
 			gDeferredMaterialWaterProgram[i].addPermutation("HAS_SKIN",has_skin ? "1" : "0");
 			gDeferredMaterialWaterProgram[i].addPermutation("WATER_FOG","1");
 
 			gDeferredMaterialWaterProgram[i].mFeatures.hasWaterFog = true;
 			gDeferredMaterialWaterProgram[i].mFeatures.hasSrgb = true;
-            gDeferredMaterialWaterProgram[i].mFeatures.hasGamma = true;
-            gDeferredMaterialWaterProgram[i].mFeatures.hasTransport = true;
             gDeferredMaterialWaterProgram[i].mFeatures.decodesNormal = true;
             gDeferredMaterialWaterProgram[i].mFeatures.encodesNormal = true;
             gDeferredMaterialWaterProgram[i].mFeatures.calculatesAtmospherics = true;
             gDeferredMaterialWaterProgram[i].mFeatures.hasAtmospherics = true;
+            gDeferredMaterialWaterProgram[i].mFeatures.hasGamma = true;
+
+            gDeferredMaterialWaterProgram[i].mFeatures.hasTransport = true;
+            gDeferredMaterialWaterProgram[i].mFeatures.hasShadows = true;
+            gDeferredMaterialWaterProgram[i].mFeatures.hasIndirect = true;
+            gDeferredMaterialWaterProgram[i].mFeatures.isDeferred = true;
 
 			if (has_skin)
 			{
@@ -1524,9 +1548,10 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredTreeProgram.mName = "Deferred Tree Shader";
 		gDeferredTreeProgram.mShaderFiles.clear();
         gDeferredTreeProgram.mFeatures.encodesNormal = true;
+        gDeferredTreeProgram.mFeatures.isDeferred = true;
 		gDeferredTreeProgram.mShaderFiles.push_back(make_pair("deferred/treeV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredTreeProgram.mShaderFiles.push_back(make_pair("deferred/treeF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredTreeProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredTreeProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredTreeProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1535,9 +1560,10 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredTreeShadowProgram.mName = "Deferred Tree Shadow Shader";
 		gDeferredTreeShadowProgram.mShaderFiles.clear();
+        gDeferredTreeShadowProgram.mFeatures.isDeferred = true;
 		gDeferredTreeShadowProgram.mShaderFiles.push_back(make_pair("deferred/treeShadowV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredTreeShadowProgram.mShaderFiles.push_back(make_pair("deferred/treeShadowF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredTreeShadowProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredTreeShadowProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredTreeShadowProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1548,10 +1574,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredImpostorProgram.mFeatures.hasSrgb = true;
         gDeferredImpostorProgram.mFeatures.decodesNormal = true;
         gDeferredImpostorProgram.mFeatures.encodesNormal = true;
+        //gDeferredImpostorProgram.mFeatures.isDeferred = true;
 		gDeferredImpostorProgram.mShaderFiles.clear();
 		gDeferredImpostorProgram.mShaderFiles.push_back(make_pair("deferred/impostorV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredImpostorProgram.mShaderFiles.push_back(make_pair("deferred/impostorF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredImpostorProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredImpostorProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredImpostorProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1560,10 +1587,13 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{		
 		gDeferredLightProgram.mName = "Deferred Light Shader";
         gDeferredLightProgram.mFeatures.decodesNormal = true;
+        gDeferredLightProgram.mFeatures.isDeferred = true;
+        gDeferredLightProgram.mFeatures.hasShadows = true;
+
 		gDeferredLightProgram.mShaderFiles.clear();
 		gDeferredLightProgram.mShaderFiles.push_back(make_pair("deferred/pointLightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredLightProgram.mShaderFiles.push_back(make_pair("deferred/pointLightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredLightProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredLightProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 
 		success = gDeferredLightProgram.createShader(NULL, NULL);
         llassert(success);
@@ -1575,10 +1605,13 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 			gDeferredMultiLightProgram[i].mName = llformat("Deferred MultiLight Shader %d", i);
             gDeferredMultiLightProgram[i].mFeatures.decodesNormal = true;
+            gDeferredMultiLightProgram[i].mFeatures.isDeferred = true;
+            gDeferredMultiLightProgram[i].mFeatures.hasShadows = true;
+
 			gDeferredMultiLightProgram[i].mShaderFiles.clear();
 			gDeferredMultiLightProgram[i].mShaderFiles.push_back(make_pair("deferred/multiPointLightV.glsl", GL_VERTEX_SHADER_ARB));
 			gDeferredMultiLightProgram[i].mShaderFiles.push_back(make_pair("deferred/multiPointLightF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gDeferredMultiLightProgram[i].mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+			gDeferredMultiLightProgram[i].mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 			gDeferredMultiLightProgram[i].addPermutation("LIGHT_COUNT", llformat("%d", i+1));
 			success = gDeferredMultiLightProgram[i].createShader(NULL, NULL);
             llassert(success);
@@ -1591,9 +1624,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSpotLightProgram.mShaderFiles.clear();
 		gDeferredSpotLightProgram.mFeatures.hasSrgb = true;
         gDeferredSpotLightProgram.mFeatures.decodesNormal = true;
+        gDeferredSpotLightProgram.mFeatures.isDeferred = true;
+        gDeferredSpotLightProgram.mFeatures.hasShadows = true;
+
 		gDeferredSpotLightProgram.mShaderFiles.push_back(make_pair("deferred/pointLightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSpotLightProgram.mShaderFiles.push_back(make_pair("deferred/spotLightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredSpotLightProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredSpotLightProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 
 		success = gDeferredSpotLightProgram.createShader(NULL, NULL);
         llassert(success);
@@ -1604,10 +1640,13 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredMultiSpotLightProgram.mName = "Deferred MultiSpotLight Shader";
 		gDeferredMultiSpotLightProgram.mFeatures.hasSrgb = true;
         gDeferredMultiSpotLightProgram.mFeatures.decodesNormal = true;
+        gDeferredMultiSpotLightProgram.mFeatures.isDeferred = true;
+        gDeferredMultiSpotLightProgram.mFeatures.hasShadows = true;
+
 		gDeferredMultiSpotLightProgram.mShaderFiles.clear();
 		gDeferredMultiSpotLightProgram.mShaderFiles.push_back(make_pair("deferred/multiPointLightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredMultiSpotLightProgram.mShaderFiles.push_back(make_pair("deferred/multiSpotLightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredMultiSpotLightProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredMultiSpotLightProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 
 		success = gDeferredMultiSpotLightProgram.createShader(NULL, NULL);
         llassert(success);
@@ -1618,14 +1657,16 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		std::string fragment;
 		std::string vertex = "deferred/sunLightV.glsl";
 
-		if (gSavedSettings.getBOOL("RenderDeferredSSAO"))
+        bool use_ao = gSavedSettings.getBOOL("RenderDeferredSSAO");
+
+		if (use_ao)
 		{
 			fragment = "deferred/sunLightSSAOF.glsl";
 		}
 		else
 		{
 			fragment = "deferred/sunLightF.glsl";
-			if (mVertexShaderLevel[SHADER_DEFERRED] == 1)
+			if (mShaderLevel[SHADER_DEFERRED] == 1)
 			{ //no shadows, no SSAO, no frag coord
 				vertex = "deferred/sunLightNoFragCoordV.glsl";
 			}
@@ -1633,10 +1674,15 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 
 		gDeferredSunProgram.mName = "Deferred Sun Shader";
         gDeferredSunProgram.mFeatures.decodesNormal = true;
+        gDeferredSunProgram.mFeatures.isDeferred    = true;
+        gDeferredSunProgram.mFeatures.hasShadows    = true;
+        gDeferredSunProgram.mFeatures.hasIndirect   = true;
+        gDeferredSunProgram.mFeatures.hasAmbientOcclusion = use_ao;
+
 		gDeferredSunProgram.mShaderFiles.clear();
 		gDeferredSunProgram.mShaderFiles.push_back(make_pair(vertex, GL_VERTEX_SHADER_ARB));
 		gDeferredSunProgram.mShaderFiles.push_back(make_pair(fragment, GL_FRAGMENT_SHADER_ARB));
-		gDeferredSunProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredSunProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 
 		success = gDeferredSunProgram.createShader(NULL, NULL);
         llassert(success);
@@ -1646,10 +1692,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredBlurLightProgram.mName = "Deferred Blur Light Shader";
         gDeferredBlurLightProgram.mFeatures.decodesNormal = true;
+        gDeferredBlurLightProgram.mFeatures.isDeferred = true;
+
 		gDeferredBlurLightProgram.mShaderFiles.clear();
 		gDeferredBlurLightProgram.mShaderFiles.push_back(make_pair("deferred/blurLightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredBlurLightProgram.mShaderFiles.push_back(make_pair("deferred/blurLightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredBlurLightProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredBlurLightProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 
 		success = gDeferredBlurLightProgram.createShader(NULL, NULL);
         llassert(success);
@@ -1664,13 +1712,17 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAlphaProgram.mFeatures.isAlphaLighting = true;
 		gDeferredAlphaProgram.mFeatures.disableTextureIndex = true; //hack to disable auto-setup of texture channels
         gDeferredAlphaProgram.mFeatures.hasSrgb = true;
-        gDeferredAlphaProgram.mFeatures.hasGamma = true;
         gDeferredAlphaProgram.mFeatures.decodesNormal = true;
         gDeferredAlphaProgram.mFeatures.encodesNormal = true;
         gDeferredAlphaProgram.mFeatures.calculatesAtmospherics = true;
         gDeferredAlphaProgram.mFeatures.hasAtmospherics = true;
+        gDeferredAlphaProgram.mFeatures.hasGamma = true;
+        gDeferredAlphaProgram.mFeatures.hasTransport = true;
+        gDeferredAlphaProgram.mFeatures.isDeferred = true;
+        gDeferredAlphaProgram.mFeatures.hasShadows = true;
+        gDeferredAlphaProgram.mFeatures.hasIndirect = true;
 
-		if (mVertexShaderLevel[SHADER_DEFERRED] < 1)
+		if (mShaderLevel[SHADER_DEFERRED] < 1)
 		{
 			gDeferredAlphaProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		}
@@ -1683,9 +1735,9 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAlphaProgram.addPermutation("USE_INDEXED_TEX", "1");
-		gDeferredAlphaProgram.addPermutation("HAS_SHADOW", mVertexShaderLevel[SHADER_DEFERRED] > 1 ? "1" : "0");
+		gDeferredAlphaProgram.addPermutation("HAS_SHADOW", use_sun_shadow ? "1" : "0");
 		gDeferredAlphaProgram.addPermutation("USE_VERTEX_COLOR", "1");
-		gDeferredAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredAlphaProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 
 		success = gDeferredAlphaProgram.createShader(NULL, NULL);
         llassert(success);
@@ -1705,8 +1757,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAlphaImpostorProgram.mFeatures.hasSrgb = true;
         gDeferredAlphaImpostorProgram.mFeatures.decodesNormal = true;
         gDeferredAlphaImpostorProgram.mFeatures.encodesNormal = true;
+        gDeferredAlphaImpostorProgram.mFeatures.isDeferred = true;
+        gDeferredAlphaImpostorProgram.mFeatures.hasShadows = true;
+        gDeferredAlphaImpostorProgram.mFeatures.hasIndirect = true;
+
 		gDeferredAlphaImpostorProgram.mFeatures.disableTextureIndex = true; //hack to disable auto-setup of texture channels
-		if (mVertexShaderLevel[SHADER_DEFERRED] < 1)
+		if (mShaderLevel[SHADER_DEFERRED] < 1)
 		{
 			gDeferredAlphaImpostorProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		}
@@ -1719,11 +1775,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAlphaImpostorProgram.mShaderFiles.push_back(make_pair("deferred/alphaV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAlphaImpostorProgram.mShaderFiles.push_back(make_pair("deferred/alphaF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAlphaImpostorProgram.addPermutation("USE_INDEXED_TEX", "1");
-		gDeferredAlphaImpostorProgram.addPermutation("HAS_SHADOW", mVertexShaderLevel[SHADER_DEFERRED] > 1 ? "1" : "0");
+		gDeferredAlphaImpostorProgram.addPermutation("HAS_SHADOW", use_sun_shadow ? "1" : "0");
 		gDeferredAlphaImpostorProgram.addPermutation("USE_VERTEX_COLOR", "1");
 		gDeferredAlphaImpostorProgram.addPermutation("FOR_IMPOSTOR", "1");
 
-		gDeferredAlphaImpostorProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredAlphaImpostorProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 
 		success = gDeferredAlphaImpostorProgram.createShader(NULL, NULL);
         llassert(success);
@@ -1742,13 +1798,17 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAlphaWaterProgram.mFeatures.disableTextureIndex = true; //hack to disable auto-setup of texture channels
 		gDeferredAlphaWaterProgram.mFeatures.hasWaterFog = true;
 		gDeferredAlphaWaterProgram.mFeatures.hasSrgb = true;
-        gDeferredAlphaWaterProgram.mFeatures.hasGamma = true;
         gDeferredAlphaWaterProgram.mFeatures.decodesNormal = true;
         gDeferredAlphaWaterProgram.mFeatures.encodesNormal = true;
         gDeferredAlphaWaterProgram.mFeatures.calculatesAtmospherics = true;
         gDeferredAlphaWaterProgram.mFeatures.hasAtmospherics = true;
+        gDeferredAlphaWaterProgram.mFeatures.hasGamma = true;
+        gDeferredAlphaWaterProgram.mFeatures.hasTransport = true;
+        gDeferredAlphaWaterProgram.mFeatures.isDeferred = true;
+        gDeferredAlphaWaterProgram.mFeatures.hasShadows = true;
+        gDeferredAlphaWaterProgram.mFeatures.hasIndirect = true;
 
-		if (mVertexShaderLevel[SHADER_DEFERRED] < 1)
+		if (mShaderLevel[SHADER_DEFERRED] < 1)
 		{
 			gDeferredAlphaWaterProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		}
@@ -1763,8 +1823,8 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAlphaWaterProgram.addPermutation("USE_INDEXED_TEX", "1");
 		gDeferredAlphaWaterProgram.addPermutation("WATER_FOG", "1");
 		gDeferredAlphaWaterProgram.addPermutation("USE_VERTEX_COLOR", "1");
-		gDeferredAlphaWaterProgram.addPermutation("HAS_SHADOW", mVertexShaderLevel[SHADER_DEFERRED] > 1 ? "1" : "0");
-		gDeferredAlphaWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredAlphaWaterProgram.addPermutation("HAS_SHADOW", use_sun_shadow ? "1" : "0");
+		gDeferredAlphaWaterProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 
 		success = gDeferredAlphaWaterProgram.createShader(NULL, NULL);
         llassert(success);
@@ -1783,11 +1843,13 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAvatarEyesProgram.mFeatures.disableTextureIndex = true;
         gDeferredAvatarEyesProgram.mFeatures.hasSrgb = true;
         gDeferredAvatarEyesProgram.mFeatures.encodesNormal = true;
-        gDeferredAvatarEyesProgram.mFeatures.hasGamma = true;
+        gDeferredAvatarEyesProgram.mFeatures.isDeferred = true;
+        gDeferredAvatarEyesProgram.mFeatures.hasShadows = true;
+
 		gDeferredAvatarEyesProgram.mShaderFiles.clear();
 		gDeferredAvatarEyesProgram.mShaderFiles.push_back(make_pair("deferred/avatarEyesV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAvatarEyesProgram.mShaderFiles.push_back(make_pair("deferred/diffuseF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredAvatarEyesProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredAvatarEyesProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredAvatarEyesProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1799,12 +1861,13 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredFullbrightProgram.mFeatures.hasGamma = true;
 		gDeferredFullbrightProgram.mFeatures.hasTransport = true;
 		gDeferredFullbrightProgram.mFeatures.hasSrgb = true;
-        gDeferredFullbrightProgram.mFeatures.hasGamma = true;
+        gDeferredFullbrightProgram.mFeatures.isDeferred = true;
+
 		gDeferredFullbrightProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		gDeferredFullbrightProgram.mShaderFiles.clear();
 		gDeferredFullbrightProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredFullbrightProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredFullbrightProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredFullbrightProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredFullbrightProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1816,13 +1879,14 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredFullbrightAlphaMaskProgram.mFeatures.hasGamma = true;
 		gDeferredFullbrightAlphaMaskProgram.mFeatures.hasTransport = true;
 		gDeferredFullbrightAlphaMaskProgram.mFeatures.hasSrgb = true;
-        gDeferredFullbrightAlphaMaskProgram.mFeatures.hasGamma = true;
+        gDeferredFullbrightAlphaMaskProgram.mFeatures.isDeferred = true;
+
 		gDeferredFullbrightAlphaMaskProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		gDeferredFullbrightAlphaMaskProgram.mShaderFiles.clear();
 		gDeferredFullbrightAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredFullbrightAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredFullbrightAlphaMaskProgram.addPermutation("HAS_ALPHA_MASK","1");
-		gDeferredFullbrightAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredFullbrightAlphaMaskProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredFullbrightAlphaMaskProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1835,12 +1899,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredFullbrightWaterProgram.mFeatures.hasTransport = true;
 		gDeferredFullbrightWaterProgram.mFeatures.hasWaterFog = true;
 		gDeferredFullbrightWaterProgram.mFeatures.hasSrgb = true;
-        gDeferredFullbrightWaterProgram.mFeatures.hasGamma = true;
+        gDeferredFullbrightWaterProgram.mFeatures.isDeferred = true;
 		gDeferredFullbrightWaterProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		gDeferredFullbrightWaterProgram.mShaderFiles.clear();
 		gDeferredFullbrightWaterProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredFullbrightWaterProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredFullbrightWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredFullbrightWaterProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		gDeferredFullbrightWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		gDeferredFullbrightWaterProgram.addPermutation("WATER_FOG","1");
 		success = gDeferredFullbrightWaterProgram.createShader(NULL, NULL);
@@ -1855,12 +1919,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.hasTransport = true;
 		gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.hasWaterFog = true;
 		gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.hasSrgb = true;
-        gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.hasGamma = true;
+        gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.isDeferred = true;
 		gDeferredFullbrightAlphaMaskWaterProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		gDeferredFullbrightAlphaMaskWaterProgram.mShaderFiles.clear();
 		gDeferredFullbrightAlphaMaskWaterProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredFullbrightAlphaMaskWaterProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredFullbrightAlphaMaskWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredFullbrightAlphaMaskWaterProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		gDeferredFullbrightAlphaMaskWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		gDeferredFullbrightAlphaMaskWaterProgram.addPermutation("HAS_ALPHA_MASK","1");
 		gDeferredFullbrightAlphaMaskWaterProgram.addPermutation("WATER_FOG","1");
@@ -1874,11 +1938,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredFullbrightShinyProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredFullbrightShinyProgram.mFeatures.hasGamma = true;
 		gDeferredFullbrightShinyProgram.mFeatures.hasTransport = true;
+        gDeferredFullbrightShinyProgram.mFeatures.isDeferred = true;
 		gDeferredFullbrightShinyProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels-1;
 		gDeferredFullbrightShinyProgram.mShaderFiles.clear();
 		gDeferredFullbrightShinyProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightShinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredFullbrightShinyProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightShinyF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredFullbrightShinyProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredFullbrightShinyProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredFullbrightShinyProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1892,10 +1957,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSkinnedFullbrightProgram.mFeatures.hasObjectSkinning = true;
 		gDeferredSkinnedFullbrightProgram.mFeatures.disableTextureIndex = true;
 		gDeferredSkinnedFullbrightProgram.mFeatures.hasSrgb = true;
+        gDeferredSkinnedFullbrightProgram.mFeatures.isDeferred = true;
 		gDeferredSkinnedFullbrightProgram.mShaderFiles.clear();
 		gDeferredSkinnedFullbrightProgram.mShaderFiles.push_back(make_pair("objects/fullbrightSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedFullbrightProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredSkinnedFullbrightProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gDeferredSkinnedFullbrightProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gDeferredSkinnedFullbrightProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1908,10 +1974,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSkinnedFullbrightShinyProgram.mFeatures.hasTransport = true;
 		gDeferredSkinnedFullbrightShinyProgram.mFeatures.hasObjectSkinning = true;
 		gDeferredSkinnedFullbrightShinyProgram.mFeatures.disableTextureIndex = true;
+        gDeferredSkinnedFullbrightShinyProgram.mFeatures.isDeferred = true;
 		gDeferredSkinnedFullbrightShinyProgram.mShaderFiles.clear();
 		gDeferredSkinnedFullbrightShinyProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinySkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSkinnedFullbrightShinyProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightShinyF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredSkinnedFullbrightShinyProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gDeferredSkinnedFullbrightShinyProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gDeferredSkinnedFullbrightShinyProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1922,11 +1989,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredEmissiveProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredEmissiveProgram.mFeatures.hasGamma = true;
 		gDeferredEmissiveProgram.mFeatures.hasTransport = true;
+        gDeferredEmissiveProgram.mFeatures.isDeferred = true;
 		gDeferredEmissiveProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
 		gDeferredEmissiveProgram.mShaderFiles.clear();
 		gDeferredEmissiveProgram.mShaderFiles.push_back(make_pair("deferred/emissiveV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredEmissiveProgram.mShaderFiles.push_back(make_pair("deferred/emissiveF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredEmissiveProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredEmissiveProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredEmissiveProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1939,10 +2007,14 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWaterProgram.mFeatures.hasGamma = true;
 		gDeferredWaterProgram.mFeatures.hasTransport = true;
         gDeferredWaterProgram.mFeatures.encodesNormal = true;
+        gDeferredWaterProgram.mFeatures.isDeferred = true;
+        gDeferredWaterProgram.mFeatures.hasShadows = true;
+        gDeferredWaterProgram.mFeatures.hasIndirect = true;
+
 		gDeferredWaterProgram.mShaderFiles.clear();
 		gDeferredWaterProgram.mShaderFiles.push_back(make_pair("deferred/waterV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredWaterProgram.mShaderFiles.push_back(make_pair("deferred/waterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+        gDeferredWaterProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
         gDeferredWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gDeferredWaterProgram.createShader(NULL, NULL);
         llassert(success);
@@ -1958,10 +2030,14 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredUnderWaterProgram.mFeatures.hasTransport = true;
 		gDeferredUnderWaterProgram.mFeatures.hasSrgb = true;
         gDeferredUnderWaterProgram.mFeatures.encodesNormal = true;
+        gDeferredUnderWaterProgram.mFeatures.isDeferred = true;
+        gDeferredUnderWaterProgram.mFeatures.hasShadows = true;
+        gDeferredUnderWaterProgram.mFeatures.hasIndirect = true;
+
 		gDeferredUnderWaterProgram.mShaderFiles.clear();
 		gDeferredUnderWaterProgram.mShaderFiles.push_back(make_pair("deferred/waterV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredUnderWaterProgram.mShaderFiles.push_back(make_pair("deferred/underWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredUnderWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredUnderWaterProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredUnderWaterProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -1974,18 +2050,29 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredSoftenProgram.mFeatures.decodesNormal = true;
         gDeferredSoftenProgram.mFeatures.calculatesAtmospherics = true;
         gDeferredSoftenProgram.mFeatures.hasAtmospherics = true;
-        gDeferredSoftenProgram.mFeatures.hasGamma = true;
         gDeferredSoftenProgram.mFeatures.hasTransport = true;
+        gDeferredSoftenProgram.mFeatures.hasGamma = true;
+        gDeferredSoftenProgram.mFeatures.isDeferred = true;
+        gDeferredSoftenProgram.mFeatures.hasShadows = true;
+        gDeferredSoftenProgram.mFeatures.hasIndirect = true;
 
 		gDeferredSoftenProgram.mShaderFiles.push_back(make_pair("deferred/softenLightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSoftenProgram.mShaderFiles.push_back(make_pair("deferred/softenLightF.glsl", GL_FRAGMENT_SHADER_ARB));
 
-		gDeferredSoftenProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+        gDeferredSoftenProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 
-		if (gSavedSettings.getBOOL("RenderDeferredSSAO"))
+        if (gSavedSettings.getBOOL("RenderDeferredSSAO"))
 		{ //if using SSAO, take screen space light map into account as if shadows are enabled
 			gDeferredSoftenProgram.mShaderLevel = llmax(gDeferredSoftenProgram.mShaderLevel, 2);
 		}
+
+        // insure we use class3/deferred version of softenLight for advanced atmo..
+        gDeferredSoftenProgram.mShaderLevel = gSavedSettings.getBOOL("RenderUseAdvancedAtmospherics") ? 3 : gDeferredSoftenProgram.mShaderLevel;
+        
+        if (gAtmosphere && gDeferredSoftenProgram.mShaderLevel > 2)
+        {
+            gDeferredSoftenProgram.mExtraLinkObject = gAtmosphere->getAtmosphericShaderForLink();
+        }
 				
 		success = gDeferredSoftenProgram.createShader(NULL, NULL);
         llassert(success);
@@ -1998,7 +2085,8 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredSoftenWaterProgram.mShaderFiles.push_back(make_pair("deferred/softenLightV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredSoftenWaterProgram.mShaderFiles.push_back(make_pair("deferred/softenLightF.glsl", GL_FRAGMENT_SHADER_ARB));
 
-		gDeferredSoftenWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+        gDeferredSoftenWaterProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
+        
 		gDeferredSoftenWaterProgram.addPermutation("WATER_FOG", "1");
 		gDeferredSoftenWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		gDeferredSoftenWaterProgram.mFeatures.hasWaterFog = true;
@@ -2006,8 +2094,16 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredSoftenWaterProgram.mFeatures.decodesNormal = true;
         gDeferredSoftenWaterProgram.mFeatures.calculatesAtmospherics = true;
         gDeferredSoftenWaterProgram.mFeatures.hasAtmospherics = true;
-        gDeferredSoftenWaterProgram.mFeatures.hasGamma = true;
         gDeferredSoftenWaterProgram.mFeatures.hasTransport = true;
+        gDeferredSoftenWaterProgram.mFeatures.hasGamma = true;
+        gDeferredSoftenWaterProgram.mFeatures.isDeferred = true;
+        gDeferredSoftenWaterProgram.mFeatures.hasShadows = true;
+        gDeferredSoftenWaterProgram.mFeatures.hasIndirect = true;
+
+        if (gAtmosphere && gDeferredSoftenWaterProgram.mShaderLevel > 2)
+        {
+            gDeferredSoftenWaterProgram.mExtraLinkObject = gAtmosphere->getAtmosphericShaderForLink();
+        }
 
 		if (gSavedSettings.getBOOL("RenderDeferredSSAO"))
 		{ //if using SSAO, take screen space light map into account as if shadows are enabled
@@ -2021,10 +2117,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredShadowProgram.mName = "Deferred Shadow Shader";
+        gDeferredShadowProgram.mFeatures.isDeferred = true;
 		gDeferredShadowProgram.mShaderFiles.clear();
 		gDeferredShadowProgram.mShaderFiles.push_back(make_pair("deferred/shadowV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredShadowProgram.mShaderFiles.push_back(make_pair("deferred/shadowF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredShadowProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredShadowProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		gDeferredShadowProgram.addPermutation("DEPTH_CLAMP", gGLManager.mHasDepthClamp ? "1" : "0");
 		success = gDeferredShadowProgram.createShader(NULL, NULL);
         llassert(success);
@@ -2033,11 +2130,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredShadowCubeProgram.mName = "Deferred Shadow Cube Shader";
+        gDeferredShadowCubeProgram.mFeatures.isDeferred = true;
 		gDeferredShadowCubeProgram.mShaderFiles.clear();
 		gDeferredShadowCubeProgram.mShaderFiles.push_back(make_pair("deferred/shadowCubeV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredShadowCubeProgram.mShaderFiles.push_back(make_pair("deferred/shadowF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredShadowCubeProgram.addPermutation("DEPTH_CLAMP", gGLManager.mHasDepthClamp ? "1" : "0");
-		gDeferredShadowCubeProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredShadowCubeProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredShadowCubeProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2046,11 +2144,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredShadowAlphaMaskProgram.mName = "Deferred Shadow Alpha Mask Shader";
 		gDeferredShadowAlphaMaskProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels;
+        gDeferredShadowAlphaMaskProgram.mFeatures.isDeferred = true;
 		gDeferredShadowAlphaMaskProgram.mShaderFiles.clear();
 		gDeferredShadowAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/shadowAlphaMaskV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredShadowAlphaMaskProgram.mShaderFiles.push_back(make_pair("deferred/shadowAlphaMaskF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredShadowAlphaMaskProgram.addPermutation("DEPTH_CLAMP", gGLManager.mHasDepthClamp ? "1" : "0");
-		gDeferredShadowAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredShadowAlphaMaskProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredShadowAlphaMaskProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2059,11 +2158,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredAvatarShadowProgram.mName = "Deferred Avatar Shadow Shader";
 		gDeferredAvatarShadowProgram.mFeatures.hasSkinning = true;
+        gDeferredAvatarShadowProgram.mFeatures.isDeferred = true;
 		gDeferredAvatarShadowProgram.mShaderFiles.clear();
 		gDeferredAvatarShadowProgram.mShaderFiles.push_back(make_pair("deferred/avatarShadowV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAvatarShadowProgram.mShaderFiles.push_back(make_pair("deferred/avatarShadowF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAvatarShadowProgram.addPermutation("DEPTH_CLAMP", gGLManager.mHasDepthClamp ? "1" : "0");
-		gDeferredAvatarShadowProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredAvatarShadowProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredAvatarShadowProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2072,11 +2172,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredAttachmentShadowProgram.mName = "Deferred Attachment Shadow Shader";
 		gDeferredAttachmentShadowProgram.mFeatures.hasObjectSkinning = true;
+        gDeferredAttachmentShadowProgram.mFeatures.isDeferred = true;
 		gDeferredAttachmentShadowProgram.mShaderFiles.clear();
 		gDeferredAttachmentShadowProgram.mShaderFiles.push_back(make_pair("deferred/attachmentShadowV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAttachmentShadowProgram.mShaderFiles.push_back(make_pair("deferred/attachmentShadowF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAttachmentShadowProgram.addPermutation("DEPTH_CLAMP", gGLManager.mHasDepthClamp ? "1" : "0");
-		gDeferredAttachmentShadowProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredAttachmentShadowProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredAttachmentShadowProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2085,10 +2186,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gTerrainProgram.mName = "Deferred Terrain Shader";
         gDeferredTerrainProgram.mFeatures.encodesNormal = true;
+        gDeferredTerrainProgram.mFeatures.isDeferred = true;
 		gDeferredTerrainProgram.mShaderFiles.clear();
 		gDeferredTerrainProgram.mShaderFiles.push_back(make_pair("deferred/terrainV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredTerrainProgram.mShaderFiles.push_back(make_pair("deferred/terrainF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredTerrainProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredTerrainProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredTerrainProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2098,10 +2200,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredAvatarProgram.mName = "Avatar Shader";
 		gDeferredAvatarProgram.mFeatures.hasSkinning = true;
         gDeferredAvatarProgram.mFeatures.encodesNormal = true;
+        gDeferredAvatarProgram.mFeatures.isDeferred = true;
 		gDeferredAvatarProgram.mShaderFiles.clear();
 		gDeferredAvatarProgram.mShaderFiles.push_back(make_pair("deferred/avatarV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAvatarProgram.mShaderFiles.push_back(make_pair("deferred/avatarF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredAvatarProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredAvatarProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredAvatarProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2121,14 +2224,20 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredAvatarAlphaProgram.mFeatures.hasAtmospherics = true;
         gDeferredAvatarAlphaProgram.mFeatures.hasTransport = true;
         gDeferredAvatarAlphaProgram.mFeatures.hasGamma = true;
+        gDeferredAvatarAlphaProgram.mFeatures.isDeferred = true;
+        gDeferredAvatarAlphaProgram.mFeatures.hasShadows = true;
+        gDeferredAvatarAlphaProgram.mFeatures.hasIndirect = true;
 
 		gDeferredAvatarAlphaProgram.mShaderFiles.clear();
 		gDeferredAvatarAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredAvatarAlphaProgram.mShaderFiles.push_back(make_pair("deferred/alphaF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gDeferredAvatarAlphaProgram.addPermutation("USE_DIFFUSE_TEX", "1");
 		gDeferredAvatarAlphaProgram.addPermutation("IS_AVATAR_SKIN", "1");
-		gDeferredAvatarAlphaProgram.addPermutation("HAS_SHADOW", mVertexShaderLevel[SHADER_DEFERRED] > 1 ? "1" : "0");
-		gDeferredAvatarAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+        if (use_sun_shadow)
+        {
+		    gDeferredAvatarAlphaProgram.addPermutation("HAS_SHADOW", "1");
+        }
+		gDeferredAvatarAlphaProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 
 		success = gDeferredAvatarAlphaProgram.createShader(NULL, NULL);
         llassert(success);
@@ -2141,10 +2250,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredPostGammaCorrectProgram.mName = "Deferred Gamma Correction Post Process";
 		gDeferredPostGammaCorrectProgram.mFeatures.hasSrgb = true;
+        gDeferredPostGammaCorrectProgram.mFeatures.isDeferred = true;
 		gDeferredPostGammaCorrectProgram.mShaderFiles.clear();
 		gDeferredPostGammaCorrectProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredNoTCV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredPostGammaCorrectProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredGammaCorrect.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredPostGammaCorrectProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredPostGammaCorrectProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredPostGammaCorrectProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2152,10 +2262,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gFXAAProgram.mName = "FXAA Shader";
+        gFXAAProgram.mFeatures.isDeferred = true;
 		gFXAAProgram.mShaderFiles.clear();
 		gFXAAProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredV.glsl", GL_VERTEX_SHADER_ARB));
 		gFXAAProgram.mShaderFiles.push_back(make_pair("deferred/fxaaF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gFXAAProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gFXAAProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gFXAAProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2163,10 +2274,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredPostProgram.mName = "Deferred Post Shader";
+        gFXAAProgram.mFeatures.isDeferred = true;
 		gDeferredPostProgram.mShaderFiles.clear();
 		gDeferredPostProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredNoTCV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredPostProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredPostProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredPostProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredPostProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2177,7 +2289,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredCoFProgram.mShaderFiles.clear();
 		gDeferredCoFProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredNoTCV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredCoFProgram.mShaderFiles.push_back(make_pair("deferred/cofF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredCoFProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredCoFProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredCoFProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2185,10 +2297,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredDoFCombineProgram.mName = "Deferred DoFCombine Shader";
+        gDeferredDoFCombineProgram.mFeatures.isDeferred = true;
 		gDeferredDoFCombineProgram.mShaderFiles.clear();
 		gDeferredDoFCombineProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredNoTCV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredDoFCombineProgram.mShaderFiles.push_back(make_pair("deferred/dofCombineF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredDoFCombineProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredDoFCombineProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredDoFCombineProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2196,10 +2309,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredPostNoDoFProgram.mName = "Deferred Post Shader";
+        gDeferredPostNoDoFProgram.mFeatures.isDeferred = true;
 		gDeferredPostNoDoFProgram.mShaderFiles.clear();
 		gDeferredPostNoDoFProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredNoTCV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredPostNoDoFProgram.mShaderFiles.push_back(make_pair("deferred/postDeferredNoDoFF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredPostNoDoFProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredPostNoDoFProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		success = gDeferredPostNoDoFProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2212,10 +2326,17 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredWLSkyProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredWLSkyProgram.mFeatures.hasTransport = true;
         gDeferredWLSkyProgram.mFeatures.hasGamma = true;
+        gDeferredWLSkyProgram.mFeatures.hasSrgb = true;
+        gDeferredWLSkyProgram.mFeatures.isDeferred = true;
+
 		gDeferredWLSkyProgram.mShaderFiles.push_back(make_pair("deferred/skyV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredWLSkyProgram.mShaderFiles.push_back(make_pair("deferred/skyF.glsl", GL_FRAGMENT_SHADER_ARB));
-        gDeferredWLSkyProgram.mShaderLevel = mVertexShaderLevel[SHADER_WINDLIGHT];
+        gDeferredWLSkyProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
 		gDeferredWLSkyProgram.mShaderGroup = LLGLSLShader::SG_SKY;
+        if (gAtmosphere && gDeferredWLSkyProgram.mShaderLevel > 2)
+        {
+            gDeferredWLSkyProgram.mExtraLinkObject = gAtmosphere->getAtmosphericShaderForLink();
+        }
 		success = gDeferredWLSkyProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2227,10 +2348,17 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
         gDeferredWLCloudProgram.mFeatures.calculatesAtmospherics = true;
 		gDeferredWLCloudProgram.mFeatures.hasTransport = true;
         gDeferredWLCloudProgram.mFeatures.hasGamma = true;
+        gDeferredWLCloudProgram.mFeatures.hasSrgb = true;
+        gDeferredWLCloudProgram.mFeatures.isDeferred = true;
+
 		gDeferredWLCloudProgram.mShaderFiles.push_back(make_pair("deferred/cloudsV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredWLCloudProgram.mShaderFiles.push_back(make_pair("deferred/cloudsF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredWLCloudProgram.mShaderLevel = mVertexShaderLevel[SHADER_WINDLIGHT];
+		gDeferredWLCloudProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
 		gDeferredWLCloudProgram.mShaderGroup = LLGLSLShader::SG_SKY;
+        if (gAtmosphere && gDeferredWLCloudProgram.mShaderLevel > 2)
+        {
+            gDeferredWLCloudProgram.mExtraLinkObject = gAtmosphere->getAtmosphericShaderForLink();
+        }
 		success = gDeferredWLCloudProgram.createShader(NULL, NULL);
         llassert(success);
 	}
@@ -2244,10 +2372,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWLSunProgram.mFeatures.hasAtmospherics = true;
         gDeferredWLSunProgram.mFeatures.isFullbright = true;
 		gDeferredWLSunProgram.mFeatures.disableTextureIndex = true;
+        gDeferredWLSunProgram.mFeatures.isDeferred = true;
 		gDeferredWLSunProgram.mShaderFiles.clear();
 		gDeferredWLSunProgram.mShaderFiles.push_back(make_pair("deferred/sunDiscV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredWLSunProgram.mShaderFiles.push_back(make_pair("deferred/sunDiscF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredWLSunProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredWLSunProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		gDeferredWLSunProgram.mShaderGroup = LLGLSLShader::SG_SKY;
 		success = gDeferredWLSunProgram.createShader(NULL, NULL);
         llassert(success);
@@ -2262,10 +2391,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 		gDeferredWLMoonProgram.mFeatures.hasAtmospherics = true;
         gDeferredWLMoonProgram.mFeatures.isFullbright = true;
 		gDeferredWLMoonProgram.mFeatures.disableTextureIndex = true;
+        gDeferredWLMoonProgram.mFeatures.isDeferred = true;
+
 		gDeferredWLMoonProgram.mShaderFiles.clear();
 		gDeferredWLMoonProgram.mShaderFiles.push_back(make_pair("deferred/moonV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredWLMoonProgram.mShaderFiles.push_back(make_pair("deferred/moonF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredWLMoonProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredWLMoonProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		gDeferredWLMoonProgram.mShaderGroup = LLGLSLShader::SG_SKY;
 		success = gDeferredWLMoonProgram.createShader(NULL, NULL);
         llassert(success);
@@ -2274,10 +2405,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gDeferredStarProgram.mName = "Deferred Star Program";
+        gDeferredStarProgram.mFeatures.isDeferred = true;
 		gDeferredStarProgram.mShaderFiles.clear();
 		gDeferredStarProgram.mShaderFiles.push_back(make_pair("deferred/starsV.glsl", GL_VERTEX_SHADER_ARB));
 		gDeferredStarProgram.mShaderFiles.push_back(make_pair("deferred/starsF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDeferredStarProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gDeferredStarProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		gDeferredStarProgram.mShaderGroup = LLGLSLShader::SG_SKY;
 		success = gDeferredStarProgram.createShader(NULL, NULL);
         llassert(success);
@@ -2286,10 +2418,11 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	if (success)
 	{
 		gNormalMapGenProgram.mName = "Normal Map Generation Program";
+        gNormalMapGenProgram.mFeatures.isDeferred = true;
 		gNormalMapGenProgram.mShaderFiles.clear();
 		gNormalMapGenProgram.mShaderFiles.push_back(make_pair("deferred/normgenV.glsl", GL_VERTEX_SHADER_ARB));
 		gNormalMapGenProgram.mShaderFiles.push_back(make_pair("deferred/normgenF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gNormalMapGenProgram.mShaderLevel = mVertexShaderLevel[SHADER_DEFERRED];
+		gNormalMapGenProgram.mShaderLevel = mShaderLevel[SHADER_DEFERRED];
 		gNormalMapGenProgram.mShaderGroup = LLGLSLShader::SG_SKY;
 		success = gNormalMapGenProgram.createShader(NULL, NULL);
 	}
@@ -2301,7 +2434,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 {
 	BOOL success = TRUE;
 	
-	if (mVertexShaderLevel[SHADER_OBJECT] == 0)
+	if (mShaderLevel[SHADER_OBJECT] == 0)
 	{
 		gObjectShinyProgram.unload();
 		gObjectFullbrightShinyProgram.unload();
@@ -2366,7 +2499,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectSimpleNonIndexedProgram.mShaderFiles.clear();
 		gObjectSimpleNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/simpleV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectSimpleNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/simpleF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectSimpleNonIndexedProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectSimpleNonIndexedProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectSimpleNonIndexedProgram.createShader(NULL, NULL);
 	}
 	
@@ -2382,7 +2515,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectSimpleNonIndexedTexGenProgram.mShaderFiles.clear();
 		gObjectSimpleNonIndexedTexGenProgram.mShaderFiles.push_back(make_pair("objects/simpleTexGenV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectSimpleNonIndexedTexGenProgram.mShaderFiles.push_back(make_pair("objects/simpleF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectSimpleNonIndexedTexGenProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectSimpleNonIndexedTexGenProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectSimpleNonIndexedTexGenProgram.createShader(NULL, NULL);
 	}
 	
@@ -2399,7 +2532,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectSimpleNonIndexedWaterProgram.mShaderFiles.clear();
 		gObjectSimpleNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectSimpleNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectSimpleNonIndexedWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectSimpleNonIndexedWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectSimpleNonIndexedWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectSimpleNonIndexedWaterProgram.createShader(NULL, NULL);
 	}
@@ -2416,7 +2549,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectSimpleNonIndexedTexGenWaterProgram.mShaderFiles.clear();
 		gObjectSimpleNonIndexedTexGenWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleTexGenV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectSimpleNonIndexedTexGenWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectSimpleNonIndexedTexGenWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectSimpleNonIndexedTexGenWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectSimpleNonIndexedTexGenWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectSimpleNonIndexedTexGenWaterProgram.createShader(NULL, NULL);
 	}
@@ -2434,7 +2567,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectAlphaMaskNonIndexedProgram.mShaderFiles.clear();
 		gObjectAlphaMaskNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/simpleNonIndexedV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectAlphaMaskNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/simpleF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectAlphaMaskNonIndexedProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectAlphaMaskNonIndexedProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectAlphaMaskNonIndexedProgram.createShader(NULL, NULL);
 	}
 	
@@ -2451,7 +2584,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectAlphaMaskNonIndexedWaterProgram.mShaderFiles.clear();
 		gObjectAlphaMaskNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleNonIndexedV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectAlphaMaskNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectAlphaMaskNonIndexedWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectAlphaMaskNonIndexedWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectAlphaMaskNonIndexedWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectAlphaMaskNonIndexedWaterProgram.createShader(NULL, NULL);
 	}
@@ -2469,7 +2602,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectAlphaMaskNoColorProgram.mShaderFiles.clear();
 		gObjectAlphaMaskNoColorProgram.mShaderFiles.push_back(make_pair("objects/simpleNoColorV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectAlphaMaskNoColorProgram.mShaderFiles.push_back(make_pair("objects/simpleF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectAlphaMaskNoColorProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectAlphaMaskNoColorProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectAlphaMaskNoColorProgram.createShader(NULL, NULL);
 	}
 	
@@ -2486,7 +2619,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectAlphaMaskNoColorWaterProgram.mShaderFiles.clear();
 		gObjectAlphaMaskNoColorWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleNoColorV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectAlphaMaskNoColorWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectAlphaMaskNoColorWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectAlphaMaskNoColorWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectAlphaMaskNoColorWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectAlphaMaskNoColorWaterProgram.createShader(NULL, NULL);
 	}
@@ -2504,7 +2637,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gTreeProgram.mShaderFiles.clear();
 		gTreeProgram.mShaderFiles.push_back(make_pair("objects/treeV.glsl", GL_VERTEX_SHADER_ARB));
 		gTreeProgram.mShaderFiles.push_back(make_pair("objects/simpleF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gTreeProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gTreeProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gTreeProgram.createShader(NULL, NULL);
 	}
 	
@@ -2521,7 +2654,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gTreeWaterProgram.mShaderFiles.clear();
 		gTreeWaterProgram.mShaderFiles.push_back(make_pair("objects/treeV.glsl", GL_VERTEX_SHADER_ARB));
 		gTreeWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gTreeWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gTreeWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gTreeWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gTreeWaterProgram.createShader(NULL, NULL);
 	}
@@ -2538,7 +2671,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightNonIndexedProgram.mShaderFiles.clear();
 		gObjectFullbrightNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightNonIndexedProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightNonIndexedProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectFullbrightNonIndexedProgram.createShader(NULL, NULL);
 	}
 
@@ -2554,7 +2687,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightNonIndexedWaterProgram.mShaderFiles.clear();
 		gObjectFullbrightNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightNonIndexedWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightNonIndexedWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectFullbrightNonIndexedWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectFullbrightNonIndexedWaterProgram.createShader(NULL, NULL);
 	}
@@ -2571,7 +2704,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectEmissiveNonIndexedProgram.mShaderFiles.clear();
 		gObjectEmissiveNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/emissiveV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectEmissiveNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectEmissiveNonIndexedProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectEmissiveNonIndexedProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectEmissiveNonIndexedProgram.createShader(NULL, NULL);
 	}
 
@@ -2586,7 +2719,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectEmissiveNonIndexedWaterProgram.mShaderFiles.clear();
 		gObjectEmissiveNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/emissiveV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectEmissiveNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectEmissiveNonIndexedWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectEmissiveNonIndexedWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectEmissiveNonIndexedWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectEmissiveNonIndexedWaterProgram.createShader(NULL, NULL);
 	}
@@ -2603,7 +2736,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightNoColorProgram.mShaderFiles.clear();
 		gObjectFullbrightNoColorProgram.mShaderFiles.push_back(make_pair("objects/fullbrightNoColorV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightNoColorProgram.mShaderFiles.push_back(make_pair("objects/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightNoColorProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightNoColorProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectFullbrightNoColorProgram.createShader(NULL, NULL);
 	}
 
@@ -2618,7 +2751,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightNoColorWaterProgram.mShaderFiles.clear();
 		gObjectFullbrightNoColorWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightNoColorV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightNoColorWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightNoColorWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightNoColorWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectFullbrightNoColorWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectFullbrightNoColorWaterProgram.createShader(NULL, NULL);
 	}
@@ -2635,7 +2768,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectShinyNonIndexedProgram.mShaderFiles.clear();
 		gObjectShinyNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/shinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectShinyNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/shinyF.glsl", GL_FRAGMENT_SHADER_ARB));		
-		gObjectShinyNonIndexedProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectShinyNonIndexedProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectShinyNonIndexedProgram.createShader(NULL, NULL);
 	}
 
@@ -2651,7 +2784,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectShinyNonIndexedWaterProgram.mShaderFiles.clear();
 		gObjectShinyNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/shinyWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gObjectShinyNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/shinyV.glsl", GL_VERTEX_SHADER_ARB));
-		gObjectShinyNonIndexedWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectShinyNonIndexedWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectShinyNonIndexedWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectShinyNonIndexedWaterProgram.createShader(NULL, NULL);
 	}
@@ -2668,7 +2801,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightShinyNonIndexedProgram.mShaderFiles.clear();
 		gObjectFullbrightShinyNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightShinyNonIndexedProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightShinyNonIndexedProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightShinyNonIndexedProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectFullbrightShinyNonIndexedProgram.createShader(NULL, NULL);
 	}
 
@@ -2685,7 +2818,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightShinyNonIndexedWaterProgram.mShaderFiles.clear();
 		gObjectFullbrightShinyNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightShinyNonIndexedWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightShinyNonIndexedWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightShinyNonIndexedWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectFullbrightShinyNonIndexedWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectFullbrightShinyNonIndexedWaterProgram.createShader(NULL, NULL);
 	}
@@ -2698,7 +2831,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gImpostorProgram.mShaderFiles.clear();
 		gImpostorProgram.mShaderFiles.push_back(make_pair("objects/impostorV.glsl", GL_VERTEX_SHADER_ARB));
 		gImpostorProgram.mShaderFiles.push_back(make_pair("objects/impostorF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gImpostorProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gImpostorProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gImpostorProgram.createShader(NULL, NULL);
 	}
 
@@ -2715,7 +2848,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectPreviewProgram.mShaderFiles.clear();
 		gObjectPreviewProgram.mShaderFiles.push_back(make_pair("objects/previewV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectPreviewProgram.mShaderFiles.push_back(make_pair("objects/previewF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectPreviewProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectPreviewProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectPreviewProgram.createShader(NULL, NULL);
 		gObjectPreviewProgram.mFeatures.hasLighting = true;
 	}
@@ -2732,7 +2865,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectSimpleProgram.mShaderFiles.clear();
 		gObjectSimpleProgram.mShaderFiles.push_back(make_pair("objects/simpleV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectSimpleProgram.mShaderFiles.push_back(make_pair("objects/simpleF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectSimpleProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectSimpleProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectSimpleProgram.createShader(NULL, NULL);
 	}
 
@@ -2752,7 +2885,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectSimpleImpostorProgram.mShaderFiles.clear();
 		gObjectSimpleImpostorProgram.mShaderFiles.push_back(make_pair("objects/simpleV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectSimpleImpostorProgram.mShaderFiles.push_back(make_pair("objects/simpleF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectSimpleImpostorProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectSimpleImpostorProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		
 		success = gObjectSimpleImpostorProgram.createShader(NULL, NULL);
 	}
@@ -2769,7 +2902,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectSimpleWaterProgram.mShaderFiles.clear();
 		gObjectSimpleWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectSimpleWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectSimpleWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectSimpleWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectSimpleWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectSimpleWaterProgram.createShader(NULL, NULL);
 	}
@@ -2787,7 +2920,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectBumpProgram.mShaderFiles.clear();
 		gObjectBumpProgram.mShaderFiles.push_back(make_pair("objects/bumpV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectBumpProgram.mShaderFiles.push_back(make_pair("objects/bumpF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectBumpProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectBumpProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectBumpProgram.createShader(NULL, NULL);
 		if (success)
 		{ //lldrawpoolbump assumes "texture0" has channel 0 and "texture1" has channel 1
@@ -2812,7 +2945,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectSimpleAlphaMaskProgram.mShaderFiles.clear();
 		gObjectSimpleAlphaMaskProgram.mShaderFiles.push_back(make_pair("objects/simpleV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectSimpleAlphaMaskProgram.mShaderFiles.push_back(make_pair("objects/simpleF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectSimpleAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectSimpleAlphaMaskProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectSimpleAlphaMaskProgram.createShader(NULL, NULL);
 	}
 
@@ -2829,7 +2962,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectSimpleWaterAlphaMaskProgram.mShaderFiles.clear();
 		gObjectSimpleWaterAlphaMaskProgram.mShaderFiles.push_back(make_pair("objects/simpleV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectSimpleWaterAlphaMaskProgram.mShaderFiles.push_back(make_pair("objects/simpleWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectSimpleWaterAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectSimpleWaterAlphaMaskProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectSimpleWaterAlphaMaskProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectSimpleWaterAlphaMaskProgram.createShader(NULL, NULL);
 	}
@@ -2846,7 +2979,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightProgram.mShaderFiles.clear();
 		gObjectFullbrightProgram.mShaderFiles.push_back(make_pair("objects/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightProgram.mShaderFiles.push_back(make_pair("objects/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectFullbrightProgram.createShader(NULL, NULL);
 	}
 
@@ -2861,7 +2994,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightWaterProgram.mShaderFiles.clear();
 		gObjectFullbrightWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectFullbrightWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectFullbrightWaterProgram.createShader(NULL, NULL);
 	}
@@ -2878,7 +3011,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectEmissiveProgram.mShaderFiles.clear();
 		gObjectEmissiveProgram.mShaderFiles.push_back(make_pair("objects/emissiveV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectEmissiveProgram.mShaderFiles.push_back(make_pair("objects/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectEmissiveProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectEmissiveProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectEmissiveProgram.createShader(NULL, NULL);
 	}
 
@@ -2893,7 +3026,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectEmissiveWaterProgram.mShaderFiles.clear();
 		gObjectEmissiveWaterProgram.mShaderFiles.push_back(make_pair("objects/emissiveV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectEmissiveWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectEmissiveWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectEmissiveWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectEmissiveWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectEmissiveWaterProgram.createShader(NULL, NULL);
 	}
@@ -2911,7 +3044,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightAlphaMaskProgram.mShaderFiles.clear();
 		gObjectFullbrightAlphaMaskProgram.mShaderFiles.push_back(make_pair("objects/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightAlphaMaskProgram.mShaderFiles.push_back(make_pair("objects/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightAlphaMaskProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectFullbrightAlphaMaskProgram.createShader(NULL, NULL);
 	}
 
@@ -2927,7 +3060,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightWaterAlphaMaskProgram.mShaderFiles.clear();
 		gObjectFullbrightWaterAlphaMaskProgram.mShaderFiles.push_back(make_pair("objects/fullbrightV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightWaterAlphaMaskProgram.mShaderFiles.push_back(make_pair("objects/fullbrightWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightWaterAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightWaterAlphaMaskProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectFullbrightWaterAlphaMaskProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectFullbrightWaterAlphaMaskProgram.createShader(NULL, NULL);
 	}
@@ -2944,7 +3077,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectShinyProgram.mShaderFiles.clear();
 		gObjectShinyProgram.mShaderFiles.push_back(make_pair("objects/shinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectShinyProgram.mShaderFiles.push_back(make_pair("objects/shinyF.glsl", GL_FRAGMENT_SHADER_ARB));		
-		gObjectShinyProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectShinyProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectShinyProgram.createShader(NULL, NULL);
 	}
 
@@ -2960,7 +3093,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectShinyWaterProgram.mShaderFiles.clear();
 		gObjectShinyWaterProgram.mShaderFiles.push_back(make_pair("objects/shinyWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
 		gObjectShinyWaterProgram.mShaderFiles.push_back(make_pair("objects/shinyV.glsl", GL_VERTEX_SHADER_ARB));
-		gObjectShinyWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectShinyWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectShinyWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectShinyWaterProgram.createShader(NULL, NULL);
 	}
@@ -2977,7 +3110,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightShinyProgram.mShaderFiles.clear();
 		gObjectFullbrightShinyProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightShinyProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightShinyProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightShinyProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		success = gObjectFullbrightShinyProgram.createShader(NULL, NULL);
 	}
 
@@ -2994,12 +3127,12 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 		gObjectFullbrightShinyWaterProgram.mShaderFiles.clear();
 		gObjectFullbrightShinyWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyV.glsl", GL_VERTEX_SHADER_ARB));
 		gObjectFullbrightShinyWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gObjectFullbrightShinyWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+		gObjectFullbrightShinyWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 		gObjectFullbrightShinyWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;
 		success = gObjectFullbrightShinyWaterProgram.createShader(NULL, NULL);
 	}
 
-	if (mVertexShaderLevel[SHADER_AVATAR] > 0)
+	if (mShaderLevel[SHADER_AVATAR] > 0)
 	{ //load hardware skinned attachment shaders
 		if (success)
 		{
@@ -3015,7 +3148,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectSimpleProgram.mShaderFiles.clear();
 			gSkinnedObjectSimpleProgram.mShaderFiles.push_back(make_pair("objects/simpleSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectSimpleProgram.mShaderFiles.push_back(make_pair("objects/simpleF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gSkinnedObjectSimpleProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+			gSkinnedObjectSimpleProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 			success = gSkinnedObjectSimpleProgram.createShader(NULL, NULL);
 		}
 
@@ -3033,7 +3166,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectFullbrightProgram.mShaderFiles.clear();
 			gSkinnedObjectFullbrightProgram.mShaderFiles.push_back(make_pair("objects/fullbrightSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectFullbrightProgram.mShaderFiles.push_back(make_pair("objects/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gSkinnedObjectFullbrightProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+			gSkinnedObjectFullbrightProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 			success = gSkinnedObjectFullbrightProgram.createShader(NULL, NULL);
 		}
 
@@ -3050,7 +3183,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectEmissiveProgram.mShaderFiles.clear();
 			gSkinnedObjectEmissiveProgram.mShaderFiles.push_back(make_pair("objects/emissiveSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectEmissiveProgram.mShaderFiles.push_back(make_pair("objects/fullbrightF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gSkinnedObjectEmissiveProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+			gSkinnedObjectEmissiveProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 			success = gSkinnedObjectEmissiveProgram.createShader(NULL, NULL);
 		}
 
@@ -3067,7 +3200,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectEmissiveWaterProgram.mShaderFiles.clear();
 			gSkinnedObjectEmissiveWaterProgram.mShaderFiles.push_back(make_pair("objects/emissiveSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectEmissiveWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gSkinnedObjectEmissiveWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+			gSkinnedObjectEmissiveWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 			success = gSkinnedObjectEmissiveWaterProgram.createShader(NULL, NULL);
 		}
 
@@ -3085,7 +3218,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectFullbrightShinyProgram.mShaderFiles.clear();
 			gSkinnedObjectFullbrightShinyProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinySkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectFullbrightShinyProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gSkinnedObjectFullbrightShinyProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+			gSkinnedObjectFullbrightShinyProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 			success = gSkinnedObjectFullbrightShinyProgram.createShader(NULL, NULL);
 		}
 
@@ -3103,7 +3236,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectShinySimpleProgram.mShaderFiles.clear();
 			gSkinnedObjectShinySimpleProgram.mShaderFiles.push_back(make_pair("objects/shinySimpleSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectShinySimpleProgram.mShaderFiles.push_back(make_pair("objects/shinyF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gSkinnedObjectShinySimpleProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+			gSkinnedObjectShinySimpleProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 			success = gSkinnedObjectShinySimpleProgram.createShader(NULL, NULL);
 		}
 
@@ -3124,7 +3257,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectSimpleWaterProgram.mShaderFiles.clear();
 			gSkinnedObjectSimpleWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectSimpleWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gSkinnedObjectSimpleWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+			gSkinnedObjectSimpleWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 			success = gSkinnedObjectSimpleWaterProgram.createShader(NULL, NULL);
 		}
 
@@ -3143,7 +3276,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectFullbrightWaterProgram.mShaderFiles.clear();
 			gSkinnedObjectFullbrightWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectFullbrightWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gSkinnedObjectFullbrightWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+			gSkinnedObjectFullbrightWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 			success = gSkinnedObjectFullbrightWaterProgram.createShader(NULL, NULL);
 		}
 
@@ -3163,7 +3296,7 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectFullbrightShinyWaterProgram.mShaderFiles.clear();
 			gSkinnedObjectFullbrightShinyWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinySkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectFullbrightShinyWaterProgram.mShaderFiles.push_back(make_pair("objects/fullbrightShinyWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gSkinnedObjectFullbrightShinyWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+			gSkinnedObjectFullbrightShinyWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 			success = gSkinnedObjectFullbrightShinyWaterProgram.createShader(NULL, NULL);
 		}
 
@@ -3183,14 +3316,14 @@ BOOL LLViewerShaderMgr::loadShadersObject()
 			gSkinnedObjectShinySimpleWaterProgram.mShaderFiles.clear();
 			gSkinnedObjectShinySimpleWaterProgram.mShaderFiles.push_back(make_pair("objects/shinySimpleSkinnedV.glsl", GL_VERTEX_SHADER_ARB));
 			gSkinnedObjectShinySimpleWaterProgram.mShaderFiles.push_back(make_pair("objects/shinyWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
-			gSkinnedObjectShinySimpleWaterProgram.mShaderLevel = mVertexShaderLevel[SHADER_OBJECT];
+			gSkinnedObjectShinySimpleWaterProgram.mShaderLevel = mShaderLevel[SHADER_OBJECT];
 			success = gSkinnedObjectShinySimpleWaterProgram.createShader(NULL, NULL);
 		}
 	}
 
 	if( !success )
 	{
-		mVertexShaderLevel[SHADER_OBJECT] = 0;
+		mShaderLevel[SHADER_OBJECT] = 0;
 		return FALSE;
 	}
 	
@@ -3201,7 +3334,7 @@ BOOL LLViewerShaderMgr::loadShadersAvatar()
 {
 	BOOL success = TRUE;
 
-	if (mVertexShaderLevel[SHADER_AVATAR] == 0)
+	if (mShaderLevel[SHADER_AVATAR] == 0)
 	{
 		gAvatarProgram.unload();
 		gAvatarWaterProgram.unload();
@@ -3224,7 +3357,7 @@ BOOL LLViewerShaderMgr::loadShadersAvatar()
 		gAvatarProgram.mShaderFiles.clear();
 		gAvatarProgram.mShaderFiles.push_back(make_pair("avatar/avatarV.glsl", GL_VERTEX_SHADER_ARB));
 		gAvatarProgram.mShaderFiles.push_back(make_pair("avatar/avatarF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gAvatarProgram.mShaderLevel = mVertexShaderLevel[SHADER_AVATAR];
+		gAvatarProgram.mShaderLevel = mShaderLevel[SHADER_AVATAR];
 		success = gAvatarProgram.createShader(NULL, NULL);
 			
 		if (success)
@@ -3242,15 +3375,15 @@ BOOL LLViewerShaderMgr::loadShadersAvatar()
 			gAvatarWaterProgram.mShaderFiles.push_back(make_pair("avatar/avatarV.glsl", GL_VERTEX_SHADER_ARB));
 			gAvatarWaterProgram.mShaderFiles.push_back(make_pair("objects/simpleWaterF.glsl", GL_FRAGMENT_SHADER_ARB));
 			// Note: no cloth under water:
-			gAvatarWaterProgram.mShaderLevel = llmin(mVertexShaderLevel[SHADER_AVATAR], 1);	
+			gAvatarWaterProgram.mShaderLevel = llmin(mShaderLevel[SHADER_AVATAR], 1);	
 			gAvatarWaterProgram.mShaderGroup = LLGLSLShader::SG_WATER;				
 			success = gAvatarWaterProgram.createShader(NULL, NULL);
 		}
 
 		/// Keep track of avatar levels
-		if (gAvatarProgram.mShaderLevel != mVertexShaderLevel[SHADER_AVATAR])
+		if (gAvatarProgram.mShaderLevel != mShaderLevel[SHADER_AVATAR])
 		{
-			mMaxAvatarShaderLevel = mVertexShaderLevel[SHADER_AVATAR] = gAvatarProgram.mShaderLevel;
+			mMaxAvatarShaderLevel = mShaderLevel[SHADER_AVATAR] = gAvatarProgram.mShaderLevel;
 		}
 	}
 
@@ -3262,7 +3395,7 @@ BOOL LLViewerShaderMgr::loadShadersAvatar()
 		gAvatarPickProgram.mShaderFiles.clear();
 		gAvatarPickProgram.mShaderFiles.push_back(make_pair("avatar/pickAvatarV.glsl", GL_VERTEX_SHADER_ARB));
 		gAvatarPickProgram.mShaderFiles.push_back(make_pair("avatar/pickAvatarF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gAvatarPickProgram.mShaderLevel = mVertexShaderLevel[SHADER_AVATAR];
+		gAvatarPickProgram.mShaderLevel = mShaderLevel[SHADER_AVATAR];
 		success = gAvatarPickProgram.createShader(NULL, NULL);
 	}
 
@@ -3280,13 +3413,13 @@ BOOL LLViewerShaderMgr::loadShadersAvatar()
 		gAvatarEyeballProgram.mShaderFiles.clear();
 		gAvatarEyeballProgram.mShaderFiles.push_back(make_pair("avatar/eyeballV.glsl", GL_VERTEX_SHADER_ARB));
 		gAvatarEyeballProgram.mShaderFiles.push_back(make_pair("avatar/eyeballF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gAvatarEyeballProgram.mShaderLevel = mVertexShaderLevel[SHADER_AVATAR];
+		gAvatarEyeballProgram.mShaderLevel = mShaderLevel[SHADER_AVATAR];
 		success = gAvatarEyeballProgram.createShader(NULL, NULL);
 	}
 
 	if( !success )
 	{
-		mVertexShaderLevel[SHADER_AVATAR] = 0;
+		mShaderLevel[SHADER_AVATAR] = 0;
 		mMaxAvatarShaderLevel = 0;
 		return FALSE;
 	}
@@ -3298,7 +3431,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 {
 	BOOL success = TRUE;
 
-	if (mVertexShaderLevel[SHADER_INTERFACE] == 0)
+	if (mShaderLevel[SHADER_INTERFACE] == 0)
 	{
 		gHighlightProgram.unload();
 		return TRUE;
@@ -3310,7 +3443,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gHighlightProgram.mShaderFiles.clear();
 		gHighlightProgram.mShaderFiles.push_back(make_pair("interface/highlightV.glsl", GL_VERTEX_SHADER_ARB));
 		gHighlightProgram.mShaderFiles.push_back(make_pair("interface/highlightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gHighlightProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];		
+		gHighlightProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];		
 		success = gHighlightProgram.createShader(NULL, NULL);
 	}
 
@@ -3320,7 +3453,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gHighlightNormalProgram.mShaderFiles.clear();
 		gHighlightNormalProgram.mShaderFiles.push_back(make_pair("interface/highlightNormV.glsl", GL_VERTEX_SHADER_ARB));
 		gHighlightNormalProgram.mShaderFiles.push_back(make_pair("interface/highlightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gHighlightNormalProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];		
+		gHighlightNormalProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];		
 		success = gHighlightNormalProgram.createShader(NULL, NULL);
 	}
 
@@ -3330,7 +3463,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gHighlightSpecularProgram.mShaderFiles.clear();
 		gHighlightSpecularProgram.mShaderFiles.push_back(make_pair("interface/highlightSpecV.glsl", GL_VERTEX_SHADER_ARB));
 		gHighlightSpecularProgram.mShaderFiles.push_back(make_pair("interface/highlightF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gHighlightSpecularProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];		
+		gHighlightSpecularProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];		
 		success = gHighlightSpecularProgram.createShader(NULL, NULL);
 	}
 
@@ -3340,7 +3473,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gUIProgram.mShaderFiles.clear();
 		gUIProgram.mShaderFiles.push_back(make_pair("interface/uiV.glsl", GL_VERTEX_SHADER_ARB));
 		gUIProgram.mShaderFiles.push_back(make_pair("interface/uiF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gUIProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gUIProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gUIProgram.createShader(NULL, NULL);
 	}
 
@@ -3350,7 +3483,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gPathfindingProgram.mShaderFiles.clear();
 		gPathfindingProgram.mShaderFiles.push_back(make_pair("interface/pathfindingV.glsl", GL_VERTEX_SHADER_ARB));
 		gPathfindingProgram.mShaderFiles.push_back(make_pair("interface/pathfindingF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gPathfindingProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gPathfindingProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gPathfindingProgram.createShader(NULL, NULL);
 	}
 
@@ -3360,7 +3493,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gPathfindingNoNormalsProgram.mShaderFiles.clear();
 		gPathfindingNoNormalsProgram.mShaderFiles.push_back(make_pair("interface/pathfindingNoNormalV.glsl", GL_VERTEX_SHADER_ARB));
 		gPathfindingNoNormalsProgram.mShaderFiles.push_back(make_pair("interface/pathfindingF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gPathfindingNoNormalsProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gPathfindingNoNormalsProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gPathfindingNoNormalsProgram.createShader(NULL, NULL);
 	}
 
@@ -3370,7 +3503,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gCustomAlphaProgram.mShaderFiles.clear();
 		gCustomAlphaProgram.mShaderFiles.push_back(make_pair("interface/customalphaV.glsl", GL_VERTEX_SHADER_ARB));
 		gCustomAlphaProgram.mShaderFiles.push_back(make_pair("interface/customalphaF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gCustomAlphaProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gCustomAlphaProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gCustomAlphaProgram.createShader(NULL, NULL);
 	}
 
@@ -3380,7 +3513,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gSplatTextureRectProgram.mShaderFiles.clear();
 		gSplatTextureRectProgram.mShaderFiles.push_back(make_pair("interface/splattexturerectV.glsl", GL_VERTEX_SHADER_ARB));
 		gSplatTextureRectProgram.mShaderFiles.push_back(make_pair("interface/splattexturerectF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gSplatTextureRectProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gSplatTextureRectProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gSplatTextureRectProgram.createShader(NULL, NULL);
 		if (success)
 		{
@@ -3396,7 +3529,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gGlowCombineProgram.mShaderFiles.clear();
 		gGlowCombineProgram.mShaderFiles.push_back(make_pair("interface/glowcombineV.glsl", GL_VERTEX_SHADER_ARB));
 		gGlowCombineProgram.mShaderFiles.push_back(make_pair("interface/glowcombineF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gGlowCombineProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gGlowCombineProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gGlowCombineProgram.createShader(NULL, NULL);
 		if (success)
 		{
@@ -3413,7 +3546,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gGlowCombineFXAAProgram.mShaderFiles.clear();
 		gGlowCombineFXAAProgram.mShaderFiles.push_back(make_pair("interface/glowcombineFXAAV.glsl", GL_VERTEX_SHADER_ARB));
 		gGlowCombineFXAAProgram.mShaderFiles.push_back(make_pair("interface/glowcombineFXAAF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gGlowCombineFXAAProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gGlowCombineFXAAProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gGlowCombineFXAAProgram.createShader(NULL, NULL);
 		if (success)
 		{
@@ -3431,7 +3564,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gTwoTextureAddProgram.mShaderFiles.clear();
 		gTwoTextureAddProgram.mShaderFiles.push_back(make_pair("interface/twotextureaddV.glsl", GL_VERTEX_SHADER_ARB));
 		gTwoTextureAddProgram.mShaderFiles.push_back(make_pair("interface/twotextureaddF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gTwoTextureAddProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gTwoTextureAddProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gTwoTextureAddProgram.createShader(NULL, NULL);
 		if (success)
 		{
@@ -3448,7 +3581,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gTwoTextureCompareProgram.mShaderFiles.clear();
 		gTwoTextureCompareProgram.mShaderFiles.push_back(make_pair("interface/twotexturecompareV.glsl", GL_VERTEX_SHADER_ARB));
 		gTwoTextureCompareProgram.mShaderFiles.push_back(make_pair("interface/twotexturecompareF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gTwoTextureCompareProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gTwoTextureCompareProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gTwoTextureCompareProgram.createShader(NULL, NULL);
 		if (success)
 		{
@@ -3465,7 +3598,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gOneTextureFilterProgram.mShaderFiles.clear();
 		gOneTextureFilterProgram.mShaderFiles.push_back(make_pair("interface/onetexturefilterV.glsl", GL_VERTEX_SHADER_ARB));
 		gOneTextureFilterProgram.mShaderFiles.push_back(make_pair("interface/onetexturefilterF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gOneTextureFilterProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gOneTextureFilterProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gOneTextureFilterProgram.createShader(NULL, NULL);
 		if (success)
 		{
@@ -3481,7 +3614,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gOneTextureNoColorProgram.mShaderFiles.clear();
 		gOneTextureNoColorProgram.mShaderFiles.push_back(make_pair("interface/onetexturenocolorV.glsl", GL_VERTEX_SHADER_ARB));
 		gOneTextureNoColorProgram.mShaderFiles.push_back(make_pair("interface/onetexturenocolorF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gOneTextureNoColorProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gOneTextureNoColorProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gOneTextureNoColorProgram.createShader(NULL, NULL);
 		if (success)
 		{
@@ -3496,7 +3629,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gSolidColorProgram.mShaderFiles.clear();
 		gSolidColorProgram.mShaderFiles.push_back(make_pair("interface/solidcolorV.glsl", GL_VERTEX_SHADER_ARB));
 		gSolidColorProgram.mShaderFiles.push_back(make_pair("interface/solidcolorF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gSolidColorProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gSolidColorProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gSolidColorProgram.createShader(NULL, NULL);
 		if (success)
 		{
@@ -3512,7 +3645,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gOcclusionProgram.mShaderFiles.clear();
 		gOcclusionProgram.mShaderFiles.push_back(make_pair("interface/occlusionV.glsl", GL_VERTEX_SHADER_ARB));
 		gOcclusionProgram.mShaderFiles.push_back(make_pair("interface/occlusionF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gOcclusionProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gOcclusionProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gOcclusionProgram.createShader(NULL, NULL);
 	}
 
@@ -3522,7 +3655,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gOcclusionCubeProgram.mShaderFiles.clear();
 		gOcclusionCubeProgram.mShaderFiles.push_back(make_pair("interface/occlusionCubeV.glsl", GL_VERTEX_SHADER_ARB));
 		gOcclusionCubeProgram.mShaderFiles.push_back(make_pair("interface/occlusionF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gOcclusionCubeProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gOcclusionCubeProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gOcclusionCubeProgram.createShader(NULL, NULL);
 	}
 
@@ -3532,7 +3665,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gDebugProgram.mShaderFiles.clear();
 		gDebugProgram.mShaderFiles.push_back(make_pair("interface/debugV.glsl", GL_VERTEX_SHADER_ARB));
 		gDebugProgram.mShaderFiles.push_back(make_pair("interface/debugF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDebugProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gDebugProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gDebugProgram.createShader(NULL, NULL);
 	}
 
@@ -3542,7 +3675,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gClipProgram.mShaderFiles.clear();
 		gClipProgram.mShaderFiles.push_back(make_pair("interface/clipV.glsl", GL_VERTEX_SHADER_ARB));
 		gClipProgram.mShaderFiles.push_back(make_pair("interface/clipF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gClipProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gClipProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gClipProgram.createShader(NULL, NULL);
 	}
 
@@ -3552,7 +3685,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gDownsampleDepthProgram.mShaderFiles.clear();
 		gDownsampleDepthProgram.mShaderFiles.push_back(make_pair("interface/downsampleDepthV.glsl", GL_VERTEX_SHADER_ARB));
 		gDownsampleDepthProgram.mShaderFiles.push_back(make_pair("interface/downsampleDepthF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDownsampleDepthProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gDownsampleDepthProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gDownsampleDepthProgram.createShader(NULL, NULL);
 	}
 
@@ -3562,7 +3695,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gBenchmarkProgram.mShaderFiles.clear();
 		gBenchmarkProgram.mShaderFiles.push_back(make_pair("interface/benchmarkV.glsl", GL_VERTEX_SHADER_ARB));
 		gBenchmarkProgram.mShaderFiles.push_back(make_pair("interface/benchmarkF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gBenchmarkProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gBenchmarkProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gBenchmarkProgram.createShader(NULL, NULL);
 	}
 
@@ -3572,7 +3705,7 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gDownsampleDepthRectProgram.mShaderFiles.clear();
 		gDownsampleDepthRectProgram.mShaderFiles.push_back(make_pair("interface/downsampleDepthV.glsl", GL_VERTEX_SHADER_ARB));
 		gDownsampleDepthRectProgram.mShaderFiles.push_back(make_pair("interface/downsampleDepthRectF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gDownsampleDepthRectProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gDownsampleDepthRectProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gDownsampleDepthRectProgram.createShader(NULL, NULL);
 	}
 
@@ -3582,13 +3715,13 @@ BOOL LLViewerShaderMgr::loadShadersInterface()
 		gAlphaMaskProgram.mShaderFiles.clear();
 		gAlphaMaskProgram.mShaderFiles.push_back(make_pair("interface/alphamaskV.glsl", GL_VERTEX_SHADER_ARB));
 		gAlphaMaskProgram.mShaderFiles.push_back(make_pair("interface/alphamaskF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gAlphaMaskProgram.mShaderLevel = mVertexShaderLevel[SHADER_INTERFACE];
+		gAlphaMaskProgram.mShaderLevel = mShaderLevel[SHADER_INTERFACE];
 		success = gAlphaMaskProgram.createShader(NULL, NULL);
 	}
 
 	if( !success )
 	{
-		mVertexShaderLevel[SHADER_INTERFACE] = 0;
+		mShaderLevel[SHADER_INTERFACE] = 0;
 		return FALSE;
 	}
 	
@@ -3599,7 +3732,7 @@ BOOL LLViewerShaderMgr::loadShadersWindLight()
 {
 	BOOL success = TRUE;
 
-	if (mVertexShaderLevel[SHADER_WINDLIGHT] < 2)
+	if (mShaderLevel[SHADER_WINDLIGHT] < 2)
 	{
 		gWLSkyProgram.unload();
 		gWLCloudProgram.unload();
@@ -3629,7 +3762,7 @@ BOOL LLViewerShaderMgr::loadShadersWindLight()
         gWLSkyProgram.mFeatures.hasGamma = true;
 		gWLSkyProgram.mShaderFiles.push_back(make_pair("windlight/skyV.glsl", GL_VERTEX_SHADER_ARB));
 		gWLSkyProgram.mShaderFiles.push_back(make_pair("windlight/skyF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gWLSkyProgram.mShaderLevel = mVertexShaderLevel[SHADER_WINDLIGHT];
+		gWLSkyProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
 		gWLSkyProgram.mShaderGroup = LLGLSLShader::SG_SKY;
 		success = gWLSkyProgram.createShader(NULL, NULL);
 	}
@@ -3644,7 +3777,7 @@ BOOL LLViewerShaderMgr::loadShadersWindLight()
         gWLCloudProgram.mFeatures.hasGamma = true;
 		gWLCloudProgram.mShaderFiles.push_back(make_pair("windlight/cloudsV.glsl", GL_VERTEX_SHADER_ARB));
 		gWLCloudProgram.mShaderFiles.push_back(make_pair("windlight/cloudsF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gWLCloudProgram.mShaderLevel = mVertexShaderLevel[SHADER_WINDLIGHT];
+		gWLCloudProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
 		gWLCloudProgram.mShaderGroup = LLGLSLShader::SG_SKY;
 		success = gWLCloudProgram.createShader(NULL, NULL);
 	}
@@ -3662,7 +3795,7 @@ BOOL LLViewerShaderMgr::loadShadersWindLight()
 		gWLSunProgram.mShaderGroup = LLGLSLShader::SG_SKY;
 		gWLSunProgram.mShaderFiles.push_back(make_pair("windlight/sunDiscV.glsl", GL_VERTEX_SHADER_ARB));
 		gWLSunProgram.mShaderFiles.push_back(make_pair("windlight/sunDiscF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gWLSunProgram.mShaderLevel = mVertexShaderLevel[SHADER_WINDLIGHT];
+		gWLSunProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
 		gWLSunProgram.mShaderGroup = LLGLSLShader::SG_SKY;
 		success = gWLSunProgram.createShader(NULL, NULL);
 	}
@@ -3680,7 +3813,7 @@ BOOL LLViewerShaderMgr::loadShadersWindLight()
 		gWLMoonProgram.mShaderGroup = LLGLSLShader::SG_SKY;
 		gWLMoonProgram.mShaderFiles.push_back(make_pair("windlight/moonV.glsl", GL_VERTEX_SHADER_ARB));
 		gWLMoonProgram.mShaderFiles.push_back(make_pair("windlight/moonF.glsl", GL_FRAGMENT_SHADER_ARB));
-		gWLMoonProgram.mShaderLevel = mVertexShaderLevel[SHADER_WINDLIGHT];
+		gWLMoonProgram.mShaderLevel = mShaderLevel[SHADER_WINDLIGHT];
 		gWLMoonProgram.mShaderGroup = LLGLSLShader::SG_SKY;
 		success = gWLMoonProgram.createShader(NULL, NULL);
 	}
@@ -3692,7 +3825,7 @@ BOOL LLViewerShaderMgr::loadTransformShaders()
 {
 	BOOL success = TRUE;
 	
-	if (mVertexShaderLevel[SHADER_TRANSFORM] < 1)
+	if (mShaderLevel[SHADER_TRANSFORM] < 1)
 	{
 		gTransformPositionProgram.unload();
 		gTransformTexCoordProgram.unload();
@@ -3707,7 +3840,7 @@ BOOL LLViewerShaderMgr::loadTransformShaders()
 		gTransformPositionProgram.mName = "Position Transform Shader";
 		gTransformPositionProgram.mShaderFiles.clear();
 		gTransformPositionProgram.mShaderFiles.push_back(make_pair("transform/positionV.glsl", GL_VERTEX_SHADER_ARB));
-		gTransformPositionProgram.mShaderLevel = mVertexShaderLevel[SHADER_TRANSFORM];
+		gTransformPositionProgram.mShaderLevel = mShaderLevel[SHADER_TRANSFORM];
 
 		const char* varyings[] = {
 			"position_out",
@@ -3722,7 +3855,7 @@ BOOL LLViewerShaderMgr::loadTransformShaders()
 		gTransformTexCoordProgram.mName = "TexCoord Transform Shader";
 		gTransformTexCoordProgram.mShaderFiles.clear();
 		gTransformTexCoordProgram.mShaderFiles.push_back(make_pair("transform/texcoordV.glsl", GL_VERTEX_SHADER_ARB));
-		gTransformTexCoordProgram.mShaderLevel = mVertexShaderLevel[SHADER_TRANSFORM];
+		gTransformTexCoordProgram.mShaderLevel = mShaderLevel[SHADER_TRANSFORM];
 
 		const char* varyings[] = {
 			"texcoord_out",
@@ -3736,7 +3869,7 @@ BOOL LLViewerShaderMgr::loadTransformShaders()
 		gTransformNormalProgram.mName = "Normal Transform Shader";
 		gTransformNormalProgram.mShaderFiles.clear();
 		gTransformNormalProgram.mShaderFiles.push_back(make_pair("transform/normalV.glsl", GL_VERTEX_SHADER_ARB));
-		gTransformNormalProgram.mShaderLevel = mVertexShaderLevel[SHADER_TRANSFORM];
+		gTransformNormalProgram.mShaderLevel = mShaderLevel[SHADER_TRANSFORM];
 
 		const char* varyings[] = {
 			"normal_out",
@@ -3750,7 +3883,7 @@ BOOL LLViewerShaderMgr::loadTransformShaders()
 		gTransformColorProgram.mName = "Color Transform Shader";
 		gTransformColorProgram.mShaderFiles.clear();
 		gTransformColorProgram.mShaderFiles.push_back(make_pair("transform/colorV.glsl", GL_VERTEX_SHADER_ARB));
-		gTransformColorProgram.mShaderLevel = mVertexShaderLevel[SHADER_TRANSFORM];
+		gTransformColorProgram.mShaderLevel = mShaderLevel[SHADER_TRANSFORM];
 
 		const char* varyings[] = {
 			"color_out",
@@ -3764,7 +3897,7 @@ BOOL LLViewerShaderMgr::loadTransformShaders()
 		gTransformTangentProgram.mName = "Binormal Transform Shader";
 		gTransformTangentProgram.mShaderFiles.clear();
 		gTransformTangentProgram.mShaderFiles.push_back(make_pair("transform/binormalV.glsl", GL_VERTEX_SHADER_ARB));
-		gTransformTangentProgram.mShaderLevel = mVertexShaderLevel[SHADER_TRANSFORM];
+		gTransformTangentProgram.mShaderLevel = mShaderLevel[SHADER_TRANSFORM];
 
 		const char* varyings[] = {
 			"tangent_out",
diff --git a/indra/newview/llviewershadermgr.h b/indra/newview/llviewershadermgr.h
index 250f8f1ee3..ac2cfc1160 100644
--- a/indra/newview/llviewershadermgr.h
+++ b/indra/newview/llviewershadermgr.h
@@ -48,7 +48,7 @@ public:
 	void initAttribsAndUniforms(void);
 	void setShaders();
 	void unloadShaders();
-	S32 getVertexShaderLevel(S32 type);
+    S32  getShaderLevel(S32 type);
 	BOOL loadBasicShaders();
 	BOOL loadShadersEffects();
 	BOOL loadShadersDeferred();
@@ -60,7 +60,7 @@ public:
 	BOOL loadShadersWindLight();
 	BOOL loadTransformShaders();
 
-	std::vector<S32> mVertexShaderLevel;
+	std::vector<S32> mShaderLevel;
 	S32	mMaxAvatarShaderLevel;
 
 	enum EShaderClass
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 321f774210..cc030dfb60 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -2950,7 +2950,7 @@ void LLVOAvatar::idleUpdateLoadingEffect()
 void LLVOAvatar::idleUpdateWindEffect()
 {
 	// update wind effect
-	if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) >= LLDrawPoolAvatar::SHADER_LEVEL_CLOTH))
+	if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) >= LLDrawPoolAvatar::SHADER_LEVEL_CLOTH))
 	{
 		F32 hover_strength = 0.f;
 		F32 time_delta = mRippleTimer.getElapsedTimeF32() - mRippleTimeLast;
@@ -4651,7 +4651,7 @@ U32 LLVOAvatar::renderSkinned()
 		}
 	}
 
-	if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) <= 0)
+	if (LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_AVATAR) <= 0)
 	{
 		if (mNeedsSkin)
 		{
diff --git a/indra/newview/llvosky.cpp b/indra/newview/llvosky.cpp
index d30bb260e1..af078251b3 100644
--- a/indra/newview/llvosky.cpp
+++ b/indra/newview/llvosky.cpp
@@ -1074,7 +1074,7 @@ BOOL LLVOSky::updateGeometry(LLDrawable *drawable)
 	if (mFace[FACE_REFLECTION] == NULL)
 	{
 		LLDrawPoolWater *poolp = (LLDrawPoolWater*) gPipeline.getPool(LLDrawPool::POOL_WATER);
-		if (gPipeline.getPool(LLDrawPool::POOL_WATER)->getVertexShaderLevel() != 0)
+		if (gPipeline.getPool(LLDrawPool::POOL_WATER)->getShaderLevel() != 0)
 		{
 			mFace[FACE_REFLECTION] = drawable->addFace(poolp, NULL);
 		}
@@ -1177,7 +1177,7 @@ BOOL LLVOSky::updateGeometry(LLDrawable *drawable)
 	}
 	
     bool above_water = (height_above_water > 0);
-    bool render_ref  = above_water && gPipeline.getPool(LLDrawPool::POOL_WATER)->getVertexShaderLevel() == 0;
+    bool render_ref  = above_water && gPipeline.getPool(LLDrawPool::POOL_WATER)->getShaderLevel() == 0;
     setDrawRefl(above_water ? (sun_flag ? 0 : 1) : -1);
     if (render_ref)
 	{        
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 6ebc38109a..9c761cc4a6 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -5859,7 +5859,7 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 		spec_mask = spec_mask | LLVertexBuffer::MAP_EMISSIVE;
 	}
 
-	BOOL batch_textures = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT) > 1;
+	BOOL batch_textures = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT) > 1;
 
 	if (batch_textures)
 	{
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index e651280265..b66b0bfd4c 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -340,7 +340,6 @@ bool	LLPipeline::sRenderFrameTest = false;
 bool	LLPipeline::sRenderAttachedLights = true;
 bool	LLPipeline::sRenderAttachedParticles = true;
 bool	LLPipeline::sRenderDeferred = false;
-bool	LLPipeline::sRenderingWaterReflection = false;
 bool    LLPipeline::sMemAllocationThrottled = false;
 S32		LLPipeline::sVisibleLightCount = 0;
 F32		LLPipeline::sMinRenderSize = 0.f;
@@ -882,6 +881,7 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 
 	if (LLPipeline::sRenderDeferred)
 	{
+        U32 water_buffer_res = (U32) llmax(gSavedSettings.getS32("RenderWaterRefResolution"), 512);
 		S32 shadow_detail = RenderShadowDetail;
 		bool ssao = RenderDeferredSSAO;
 		
@@ -890,9 +890,15 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 		//allocate deferred rendering color buffers
 		if (!mDeferredScreen.allocate(resX, resY, GL_SRGB8_ALPHA8, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
 		if (!mDeferredDepth.allocate(resX, resY, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
+
+        if (!mWaterDeferredScreen.allocate(water_buffer_res, water_buffer_res, GL_SRGB8_ALPHA8, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
+		if (!mWaterDeferredDepth.allocate(water_buffer_res,  water_buffer_res, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
+        if (!mWaterOcclusionDepth.allocate(water_buffer_res >> 1, water_buffer_res >> 1, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
+
 		if (!mOcclusionDepth.allocate(resX/occlusion_divisor, resY/occlusion_divisor, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
 		if (!addDeferredAttachments(mDeferredScreen)) return false;
-	
+    	if (!addDeferredAttachments(mWaterDeferredScreen)) return false;
+
 		GLuint screenFormat = GL_RGBA16;
 		if (gGLManager.mIsATI)
 		{
@@ -917,10 +923,12 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 		if (shadow_detail > 0 || ssao || RenderDepthOfField || samples > 0)
 		{ //only need mDeferredLight for shadows OR ssao OR dof OR fxaa
 			if (!mDeferredLight.allocate(resX, resY, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE)) return false;
+            if (!mWaterDeferredLight.allocate(water_buffer_res, water_buffer_res, GL_RGBA, FALSE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE)) return false;
 		}
 		else
 		{
 			mDeferredLight.release();
+            mWaterDeferredLight.release();
 		}
 
 		F32 scale = RenderShadowResolutionScale;
@@ -930,11 +938,14 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 		if (shadow_detail > 0)
 		{ //allocate 4 sun shadow maps
 			for (U32 i = 0; i < 4; i++)
-			{
-		        //allocate VSM sun shadow map(s)
-				if ((shadow_detail > 3) && !mShadow[i].allocate(sun_shadow_map_width, sun_shadow_map_height, GL_RGBA16F_ARB, FALSE, FALSE, LLTexUnit::TT_TEXTURE))
+			{		        
+				if (shadow_detail > 3)
                 {
-                    return false;
+                    //allocate VSM sun shadow map(s)
+                    if (!mShadow[i].allocate(sun_shadow_map_width, sun_shadow_map_height, GL_RGBA16F_ARB, TRUE, FALSE, LLTexUnit::TT_TEXTURE))
+                    {
+                        return false;
+                    }
                 }
                 else if (!mShadow[i].allocate(sun_shadow_map_width, sun_shadow_map_height, 0, TRUE, FALSE, LLTexUnit::TT_TEXTURE))
                 {
@@ -955,13 +966,6 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 			}
 		}
 
-// for EEP atmospherics
-		bool allocated_inscatter = mInscatter.allocate(resX >> 2, resY >> 2, GL_RGBA16F_ARB, FALSE, FALSE, LLTexUnit::TT_TEXTURE);
-        	if (!allocated_inscatter)
-        	{
-        	    return false;
-        	}
-
 		U32 width = (U32) (resX*scale);
 		U32 height = width;
 
@@ -1002,12 +1006,16 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 	else
 	{
 		mDeferredLight.release();
-				
+        mWaterDeferredLight.release();
+
 		releaseShadowTargets();
 		mFXAABuffer.release();
 		mScreen.release();
 		mDeferredScreen.release(); //make sure to release any render targets that share a depth buffer with mDeferredScreen first
 		mDeferredDepth.release();
+        mWaterDeferredScreen.release(); //make sure to release any render targets that share a depth buffer with mWaterDeferredScreen first
+		mWaterDeferredDepth.release();
+        mWaterOcclusionDepth.release();
 		mOcclusionDepth.release();
 						
 		if (!mScreen.allocate(resX, resY, GL_RGBA, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE)) return false;		
@@ -1197,12 +1205,13 @@ void LLPipeline::releaseScreenBuffers()
 	mPhysicsDisplay.release();
 	mDeferredScreen.release();
 	mDeferredDepth.release();
+    mWaterDeferredScreen.release();
+	mWaterDeferredDepth.release();
 	mDeferredLight.release();
+    mWaterDeferredLight.release();
+    mWaterOcclusionDepth.release();
 	mOcclusionDepth.release();
-		
 	releaseShadowTargets();
-
-	mInscatter.release();
 }
 
 
@@ -1227,19 +1236,13 @@ void LLPipeline::createGLBuffers()
 
 	updateRenderDeferred();
 
-	bool materials_in_water = false;
-
-#if MATERIALS_IN_REFLECTIONS
-	materials_in_water = gSavedSettings.getS32("RenderWaterMaterials");
-#endif
-
 	if (LLPipeline::sWaterReflections)
 	{ //water reflection texture
 		U32 res = (U32) llmax(gSavedSettings.getS32("RenderWaterRefResolution"), 512);
-			
+
 		// Set up SRGB targets if we're doing deferred-path reflection rendering
 		//
-		if (LLPipeline::sRenderDeferred && materials_in_water)
+		if (LLPipeline::sRenderDeferred)
 		{
 			mWaterRef.allocate(res,res,GL_SRGB8_ALPHA8,TRUE,FALSE);
 			//always use FBO for mWaterDis so it can be used for avatar texture bakes
@@ -1247,10 +1250,10 @@ void LLPipeline::createGLBuffers()
 		}
 		else
 		{
-		mWaterRef.allocate(res,res,GL_RGBA,TRUE,FALSE);
-		//always use FBO for mWaterDis so it can be used for avatar texture bakes
-		mWaterDis.allocate(res,res,GL_RGBA,TRUE,FALSE,LLTexUnit::TT_TEXTURE, true);
-	}
+		    mWaterRef.allocate(res,res,GL_RGBA,TRUE,FALSE);
+		    //always use FBO for mWaterDis so it can be used for avatar texture bakes
+		    mWaterDis.allocate(res,res,GL_RGBA,TRUE,FALSE,LLTexUnit::TT_TEXTURE, true);
+	    }
 	}
 
 	mHighlight.allocate(256,256,GL_RGBA, FALSE, FALSE);
@@ -1422,7 +1425,7 @@ bool LLPipeline::canUseVertexShaders()
 
 bool LLPipeline::canUseWindLightShaders() const
 {
-    bool usingWindlight = LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_WINDLIGHT) > 1;
+    bool usingWindlight = LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_WINDLIGHT) > 1;
     bool haveShaders    = ((gWLSkyProgram.mProgramObject != 0) || (gDeferredWLSkyProgram.mProgramObject != 0));
 	return (!LLPipeline::sDisableShaders && haveShaders && usingWindlight);
 }
@@ -1430,7 +1433,7 @@ bool LLPipeline::canUseWindLightShaders() const
 bool LLPipeline::canUseWindLightShadersOnObjects() const
 {
 	return (canUseWindLightShaders() 
-		&& LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_OBJECT) > 0);
+		&& LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_OBJECT) > 0);
 }
 
 bool LLPipeline::canUseAntiAliasing() const
@@ -1459,7 +1462,7 @@ void LLPipeline::enableShadows(const bool enable_shadows)
 
 S32 LLPipeline::getMaxLightingDetail() const
 {
-	/*if (mVertexShaderLevel[SHADER_OBJECT] >= LLDrawPoolSimple::SHADER_LEVEL_LOCAL_LIGHTS)
+	/*if (mShaderLevel[SHADER_OBJECT] >= LLDrawPoolSimple::SHADER_LEVEL_LOCAL_LIGHTS)
 	{
 		return 3;
 	}
@@ -2405,7 +2408,11 @@ void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_cl
 
 	if (to_texture)
 	{
-		if (LLPipeline::sRenderDeferred)
+        if (LLPipeline::sRenderDeferred && LLPipeline::sReflectionRender)    
+		{
+			mWaterOcclusionDepth.bindTarget();
+		}
+		else if (LLPipeline::sRenderDeferred)
 		{
 			mOcclusionDepth.bindTarget();
 		}
@@ -2432,10 +2439,6 @@ void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_cl
 	LLGLDisable test(GL_ALPHA_TEST);
 	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 
-
-// 	glh::matrix4f modelview = get_last_modelview();
-// 	glh::matrix4f proj = get_last_projection();
-
 	LLGLDepthTest depth(GL_TRUE, GL_FALSE);
 
 	bool bound_shader = false;
@@ -2536,7 +2539,11 @@ void LLPipeline::updateCull(LLCamera& camera, LLCullResult& result, S32 water_cl
 
 	if (to_texture)
 	{
-		if (LLPipeline::sRenderDeferred)
+        if (LLPipeline::sRenderDeferred && LLPipeline::sReflectionRender)    
+		{
+			mWaterOcclusionDepth.flush();
+		}
+		else if (LLPipeline::sRenderDeferred)
 		{
 			mOcclusionDepth.flush();
 		}
@@ -4244,7 +4251,7 @@ void LLPipeline::renderHighlights()
 		//gGL.setSceneBlendType(LLRender::BT_ALPHA);
 	}
 
-	if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
+	if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
 	{
 		gHighlightProgram.bind();
 		gGL.diffuseColor4f(1,1,1,0.5f);
@@ -4291,7 +4298,7 @@ void LLPipeline::renderHighlights()
 	// have touch-handlers.
 	mHighlightFaces.clear();
 
-	if (LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0)
+	if (LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0)
 	{
 		gHighlightProgram.unbind();
 	}
@@ -4300,7 +4307,7 @@ void LLPipeline::renderHighlights()
 	if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED) && (sRenderHighlightTextureChannel == LLRender::NORMAL_MAP))
 	{
 		color.setVec(1.0f, 0.5f, 0.5f, 0.5f);
-		if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
+		if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
 		{
 			gHighlightNormalProgram.bind();
 			gGL.diffuseColor4f(1,1,1,0.5f);
@@ -4321,7 +4328,7 @@ void LLPipeline::renderHighlights()
 			facep->renderSelected(mFaceSelectImagep, color);
 		}
 
-		if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
+		if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
 		{
 			gHighlightNormalProgram.unbind();
 		}
@@ -4330,7 +4337,7 @@ void LLPipeline::renderHighlights()
 	if (hasRenderDebugFeatureMask(RENDER_DEBUG_FEATURE_SELECTED) && (sRenderHighlightTextureChannel == LLRender::SPECULAR_MAP))
 	{
 		color.setVec(0.0f, 0.3f, 1.0f, 0.8f);
-		if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
+		if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
 		{
 			gHighlightSpecularProgram.bind();
 			gGL.diffuseColor4f(1,1,1,0.5f);
@@ -4351,7 +4358,7 @@ void LLPipeline::renderHighlights()
 			facep->renderSelected(mFaceSelectImagep, color);
 		}
 
-		if ((LLViewerShaderMgr::instance()->getVertexShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
+		if ((LLViewerShaderMgr::instance()->getShaderLevel(LLViewerShaderMgr::SHADER_INTERFACE) > 0))
 		{
 			gHighlightSpecularProgram.unbind();
 		}
@@ -4639,63 +4646,46 @@ void LLPipeline::renderGeomDeferred(LLCamera& camera)
 	LLGLState::checkTextureChannels();
 	LLGLState::checkClientArrays();
 
-	U32 cur_type = 0;
-
 	gGL.setColorMask(true, true);
-	
-	pool_set_t::iterator iter1 = mPools.begin();
 
-	while ( iter1 != mPools.end() )
+	pool_set_t::iterator iter = mPools.begin();
+	while ( iter != mPools.end() )
 	{
-		LLDrawPool *poolp = *iter1;
-		
-		cur_type = poolp->getType();
+		LLDrawPool* poolp = *iter;		
+        llassert(poolp != nullptr);
+        if (poolp)
+        {
+            U32 pool_type = poolp->getType();
+            S32 deferred_passes = poolp->getNumDeferredPasses();
+		    if (hasRenderType(pool_type) && (deferred_passes > 0))
+		    {
+			    LL_RECORD_BLOCK_TIME(FTM_DEFERRED_POOLRENDER);
 
-		pool_set_t::iterator iter2 = iter1;
-		if (hasRenderType(poolp->getType()) && poolp->getNumDeferredPasses() > 0)
-		{
-			LL_RECORD_BLOCK_TIME(FTM_DEFERRED_POOLRENDER);
+			    gGLLastMatrix = NULL;
+			    gGL.loadMatrix(gGLModelView);
 
-			gGLLastMatrix = NULL;
-			gGL.loadMatrix(gGLModelView);
-		
-			for( S32 i = 0; i < poolp->getNumDeferredPasses(); i++ )
-			{
-				LLVertexBuffer::unbind();
-				poolp->beginDeferredPass(i);
-				for (iter2 = iter1; iter2 != mPools.end(); iter2++)
-				{
-					LLDrawPool *p = *iter2;
-					if (p->getType() != cur_type)
-					{
-						break;
-					}
-										
-					if ( !p->getSkipRenderFlag() ) { p->renderDeferred(i); }
-				}
-				poolp->endDeferredPass(i);
-				LLVertexBuffer::unbind();
+			    for( S32 i = 0; i < deferred_passes; i++ )
+			    {
+                    LLVertexBuffer::unbind();
+                    stop_glerror();
 
-				if (gDebugGL || gDebugPipeline)
-				{
-					LLGLState::checkStates();
-				}
-			}
-		}
-		else
-		{
-			// Skip all pools of this type
-			for (iter2 = iter1; iter2 != mPools.end(); iter2++)
-			{
-				LLDrawPool *p = *iter2;
-				if (p->getType() != cur_type)
-				{
-					break;
-				}
-			}
-		}
-		iter1 = iter2;
-		stop_glerror();
+				    poolp->beginDeferredPass(i);
+		            poolp->renderDeferred(i);
+				    poolp->endDeferredPass(i);
+
+                    // per-pass validation that our conception of current GL state is correct
+				    if (gDebugGL || gDebugPipeline)
+				    {
+					    LLGLState::checkStates();
+				    }
+			    }
+
+                LLVertexBuffer::unbind();
+                stop_glerror();
+		    }
+        }
+
+        iter++;
 	}
 
 	gGLLastMatrix = NULL;
@@ -4733,7 +4723,8 @@ void LLPipeline::renderGeomPostDeferred(LLCamera& camera, bool do_occlusion)
 			gGLLastMatrix = NULL;
 			gGL.loadMatrix(gGLModelView);
 			LLGLSLShader::bindNoShader();
-			doOcclusion(camera, mScreen, mOcclusionDepth, &mDeferredDepth);
+
+			doOcclusion(camera, mScreen, sReflectionRender ? mWaterOcclusionDepth : mOcclusionDepth, sReflectionRender ? &mWaterDeferredDepth : &mDeferredDepth);
 			gGL.setColorMask(true, false);
 		}
 
@@ -7556,6 +7547,8 @@ static LLTrace::BlockTimerStatHandle FTM_RENDER_BLOOM("Bloom");
 
 void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 {
+    LLRenderTarget* deferred_light_target = LLPipeline::sReflectionRender ? &mWaterDeferredLight : &mDeferredLight;
+
 	if (!(gPipeline.canUseVertexShaders() &&
 		sRenderGlow))
 	{
@@ -7847,7 +7840,7 @@ void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 			F32 magnification = focal_length/(subject_distance-focal_length);
 
 			{ //build diffuse+bloom+CoF
-				mDeferredLight.bindTarget();
+				deferred_light_target->bindTarget();
 				shader = &gDeferredCoFProgram;
 
 				bindDeferredShader(*shader);
@@ -7878,7 +7871,7 @@ void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 				gGL.end();
 
 				unbindDeferredShader(*shader);
-				mDeferredLight.flush();
+				deferred_light_target->flush();
 			}
 
 			U32 dof_width = (U32) (mScreen.getWidth()*CameraDoFResScale);
@@ -7891,10 +7884,10 @@ void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 
 				shader = &gDeferredPostProgram;
 				bindDeferredShader(*shader);
-				S32 channel = shader->enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, mDeferredLight.getUsage());
+				S32 channel = shader->enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, deferred_light_target->getUsage());
 				if (channel > -1)
 				{
-					mDeferredLight.bindTexture(0, channel);
+					deferred_light_target->bindTexture(0, channel);
 				}
 
 				shader->uniform1f(LLShaderMgr::DOF_MAX_COF, CameraMaxCoF);
@@ -7920,8 +7913,8 @@ void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 			{ //combine result based on alpha
 				if (multisample)
 				{
-					mDeferredLight.bindTarget();
-					glViewport(0, 0, mDeferredScreen.getWidth(), mDeferredScreen.getHeight());
+					deferred_light_target->bindTarget();
+					glViewport(0, 0, deferred_light_target->getWidth(), deferred_light_target->getHeight());
 				}
 				else
 				{
@@ -7970,7 +7963,7 @@ void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 
 				if (multisample)
 				{
-					mDeferredLight.flush();
+					deferred_light_target->flush();
 				}
 			}
 		}
@@ -7978,7 +7971,7 @@ void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 		{
 			if (multisample)
 			{
-				mDeferredLight.bindTarget();
+				deferred_light_target->bindTarget();
 			}
 			LLGLSLShader* shader = &gDeferredPostNoDoFProgram;
 			
@@ -8013,7 +8006,7 @@ void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 
 			if (multisample)
 			{
-				mDeferredLight.flush();
+				deferred_light_target->flush();
 			}
 		}
 
@@ -8031,10 +8024,10 @@ void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 			shader->bind();
 			shader->uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, width, height);
 
-			S32 channel = shader->enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, mDeferredLight.getUsage());
+			S32 channel = shader->enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, deferred_light_target->getUsage());
 			if (channel > -1)
 			{
-				mDeferredLight.bindTexture(0, channel);
+				deferred_light_target->bindTexture(0, channel);
 			}
 						
 			gGL.begin(LLRender::TRIANGLE_STRIP);
@@ -8045,7 +8038,7 @@ void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 
 			gGL.flush();
 
-			shader->disableTexture(LLShaderMgr::DEFERRED_DIFFUSE, mDeferredLight.getUsage());
+			shader->disableTexture(LLShaderMgr::DEFERRED_DIFFUSE, deferred_light_target->getUsage());
 			shader->unbind();
 			
 			mFXAABuffer.flush();
@@ -8209,63 +8202,69 @@ void LLPipeline::renderBloom(bool for_snapshot, F32 zoom_factor, int subfield)
 
 static LLTrace::BlockTimerStatHandle FTM_BIND_DEFERRED("Bind Deferred");
 
-void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, U32 noise_map)
+void LLPipeline::bindDeferredShader(LLGLSLShader& shader, LLRenderTarget* light_target)
 {
 	LL_RECORD_BLOCK_TIME(FTM_BIND_DEFERRED);
 
-	if (noise_map == 0xFFFFFFFF)
-	{
-		noise_map = mNoiseMap;
-	}
+    LLRenderTarget* deferred_target       = LLPipeline::sReflectionRender ? &mWaterDeferredScreen : &mDeferredScreen;
+    LLRenderTarget* deferred_depth_target = LLPipeline::sReflectionRender ? &mWaterDeferredDepth  : &mDeferredDepth;
+    LLRenderTarget* deferred_light_target = LLPipeline::sReflectionRender ? &mWaterDeferredLight  : &mDeferredLight;
 
 	shader.bind();
 	S32 channel = 0;
-	channel = shader.enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, mDeferredScreen.getUsage());
+	channel = shader.enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, deferred_target->getUsage());
 	if (channel > -1)
 	{
-		mDeferredScreen.bindTexture(0,channel);
+		deferred_target->bindTexture(0,channel);
 		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
 	}
 
-	channel = shader.enableTexture(LLShaderMgr::DEFERRED_SPECULAR, mDeferredScreen.getUsage());
+	channel = shader.enableTexture(LLShaderMgr::DEFERRED_SPECULAR, deferred_target->getUsage());
 	if (channel > -1)
 	{
-		mDeferredScreen.bindTexture(1, channel);
+		deferred_target->bindTexture(1, channel);
 		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
 	}
 
-	channel = shader.enableTexture(LLShaderMgr::DEFERRED_NORMAL, mDeferredScreen.getUsage());
+	channel = shader.enableTexture(LLShaderMgr::DEFERRED_NORMAL, deferred_target->getUsage());
 	if (channel > -1)
 	{
-		mDeferredScreen.bindTexture(2, channel);
+		deferred_target->bindTexture(2, channel);
 		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
 	}
 
-	channel = shader.enableTexture(LLShaderMgr::DEFERRED_DEPTH, mDeferredDepth.getUsage());
+	channel = shader.enableTexture(LLShaderMgr::DEFERRED_DEPTH, deferred_depth_target->getUsage());
 	if (channel > -1)
 	{
-		gGL.getTexUnit(channel)->bind(&mDeferredDepth, TRUE);
+		gGL.getTexUnit(channel)->bind(deferred_depth_target, TRUE);
 		stop_glerror();
-		
-		//glTexParameteri(LLTexUnit::getInternalType(mDeferredDepth.getUsage()), GL_TEXTURE_COMPARE_MODE_ARB, GL_NONE);		
-		//glTexParameteri(LLTexUnit::getInternalType(mDeferredDepth.getUsage()), GL_DEPTH_TEXTURE_MODE_ARB, GL_ALPHA);		
+    }
 
-		stop_glerror();
+	glh::matrix4f projection = get_current_projection();
+	glh::matrix4f inv_proj   = projection.inverse();
 
-		glh::matrix4f projection = get_current_projection();
-		glh::matrix4f inv_proj = projection.inverse();
-		
-		shader.uniformMatrix4fv(LLShaderMgr::INVERSE_PROJECTION_MATRIX, 1, FALSE, inv_proj.m);
-		shader.uniform4f(LLShaderMgr::VIEWPORT, (F32) gGLViewport[0],
-									(F32) gGLViewport[1],
-									(F32) gGLViewport[2],
-									(F32) gGLViewport[3]);
-	}
+    if (shader.getUniformLocation(LLShaderMgr::INVERSE_PROJECTION_MATRIX) != -1)
+    {
+        shader.uniformMatrix4fv(LLShaderMgr::INVERSE_PROJECTION_MATRIX, 1, FALSE, inv_proj.m);
+    }
+
+    if (shader.getUniformLocation(LLShaderMgr::VIEWPORT) != -1)
+    {
+	    shader.uniform4f(LLShaderMgr::VIEWPORT, (F32) gGLViewport[0],
+								    (F32) gGLViewport[1],
+								    (F32) gGLViewport[2],
+								    (F32) gGLViewport[3]);
+    }
+
+    /*if (sReflectionRender && shader.getUniformLocation(LLShaderMgr::MODELVIEW_MATRIX))
+    {
+        shader.uniformMatrix4fv(LLShaderMgr::MODELVIEW_MATRIX, 1, FALSE, mReflectionModelView.m);            
+    }*/
 
 	channel = shader.enableTexture(LLShaderMgr::DEFERRED_NOISE);
 	if (channel > -1)
 	{
-		gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, noise_map);
+		gGL.getTexUnit(channel)->bindManual(LLTexUnit::TT_TEXTURE, mNoiseMap);
 		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
 	}
 
@@ -8277,17 +8276,11 @@ void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, U32 n
 
 	stop_glerror();
 
-	channel = shader.enableTexture(LLShaderMgr::DEFERRED_LIGHT, mDeferredLight.getUsage());
+    light_target = light_target ? light_target : deferred_light_target;
+	channel = shader.enableTexture(LLShaderMgr::DEFERRED_LIGHT, light_target->getUsage());
 	if (channel > -1)
 	{
-		if (light_index > 0)
-		{
-			mScreen.bindTexture(0, channel);
-		}
-		else
-		{
-			mDeferredLight.bindTexture(0, channel);
-		}
+        light_target->bindTexture(0, channel);
 		gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
 	}
 
@@ -8343,12 +8336,10 @@ void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, U32 n
 		}
 	}
 
-	stop_glerror();
-
 	F32 mat[16*6];
 	for (U32 i = 0; i < 16; i++)
 	{
-		mat[i] = mSunShadowMatrix[0].m[i];
+		mat[i]    = mSunShadowMatrix[0].m[i];
 		mat[i+16] = mSunShadowMatrix[1].m[i];
 		mat[i+32] = mSunShadowMatrix[2].m[i];
 		mat[i+48] = mSunShadowMatrix[3].m[i];
@@ -8404,7 +8395,7 @@ void LLPipeline::bindDeferredShader(LLGLSLShader& shader, U32 light_index, U32 n
 	F32 shadow_bias_error = RenderShadowBiasError * fabsf(LLViewerCamera::getInstance()->getOrigin().mV[2])/3000.f;
     F32 shadow_bias       = RenderShadowBias + shadow_bias_error;
 
-	shader.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, mDeferredScreen.getWidth(), mDeferredScreen.getHeight());
+	shader.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, deferred_target->getWidth(), deferred_target->getHeight());
 	shader.uniform1f(LLShaderMgr::DEFERRED_NEAR_CLIP, LLViewerCamera::getInstance()->getNear()*2.f);
 	shader.uniform1f (LLShaderMgr::DEFERRED_SHADOW_OFFSET, RenderShadowOffset); //*shadow_offset_error);
 	shader.uniform1f(LLShaderMgr::DEFERRED_SHADOW_BIAS, shadow_bias);
@@ -8454,21 +8445,24 @@ static LLTrace::BlockTimerStatHandle FTM_PROJECTORS("Projectors");
 static LLTrace::BlockTimerStatHandle FTM_POST("Post");
 
 
-void LLPipeline::renderDeferredLighting()
+void LLPipeline::renderDeferredLighting(LLRenderTarget* screen_target)
 {
 	if (!sCull)
 	{
 		return;
 	}
 
+    LLRenderTarget* deferred_target       = LLPipeline::sReflectionRender ? &mWaterDeferredScreen : &mDeferredScreen;
+    LLRenderTarget* deferred_depth_target = LLPipeline::sReflectionRender ? &mWaterDeferredDepth  : &mDeferredDepth;
+    LLRenderTarget* deferred_light_target = LLPipeline::sReflectionRender ? &mWaterDeferredLight  : &mDeferredLight;
+
 	{
 		LL_RECORD_BLOCK_TIME(FTM_RENDER_DEFERRED);
-
 		LLViewerCamera* camera = LLViewerCamera::getInstance();
 		{
 			LLGLDepthTest depth(GL_TRUE);
-			mDeferredDepth.copyContents(mDeferredScreen, 0, 0, mDeferredScreen.getWidth(), mDeferredScreen.getHeight(),
-							0, 0, mDeferredDepth.getWidth(), mDeferredDepth.getHeight(), GL_DEPTH_BUFFER_BIT, GL_NEAREST);	
+			deferred_depth_target->copyContents(*deferred_target, 0, 0, deferred_target->getWidth(), deferred_target->getHeight(),
+							0, 0, deferred_depth_target->getWidth(), deferred_depth_target->getHeight(), GL_DEPTH_BUFFER_BIT, GL_NEAREST);	
 		}
 
 		LLGLEnable multisample(RenderFSAASamples > 0 ? GL_MULTISAMPLE_ARB : 0);
@@ -8535,13 +8529,13 @@ void LLPipeline::renderDeferredLighting()
 
 		if (RenderDeferredSSAO || RenderShadowDetail > 0)
 		{
-			mDeferredLight.bindTarget();
+			deferred_light_target->bindTarget();
 			{ //paint shadow/SSAO light map (direct lighting lightmap)
 				LL_RECORD_BLOCK_TIME(FTM_SUN_SHADOW);
-				bindDeferredShader(gDeferredSunProgram, 0);
+				bindDeferredShader(gDeferredSunProgram, deferred_light_target);
 				mDeferredVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
 				glClearColor(1,1,1,1);
-				mDeferredLight.clear(GL_COLOR_BUFFER_BIT);
+				deferred_light_target->clear(GL_COLOR_BUFFER_BIT);
 				glClearColor(0,0,0,0);
 
 				glh::matrix4f inv_trans = get_current_modelview().inverse().transpose();
@@ -8564,7 +8558,7 @@ void LLPipeline::renderDeferredLighting()
 				}
 
 				gDeferredSunProgram.uniform3fv(sOffset, slice, offset);
-				gDeferredSunProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, mDeferredLight.getWidth(), mDeferredLight.getHeight());
+				gDeferredSunProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, deferred_light_target->getWidth(), deferred_light_target->getHeight());
 				
 				{
 					LLGLDisable blend(GL_BLEND);
@@ -8576,16 +8570,16 @@ void LLPipeline::renderDeferredLighting()
 				
 				unbindDeferredShader(gDeferredSunProgram);
 			}
-			mDeferredLight.flush();
+			deferred_light_target->flush();
 		}
 		
 		if (RenderDeferredSSAO)
 		{ //soften direct lighting lightmap
 			LL_RECORD_BLOCK_TIME(FTM_SOFTEN_SHADOW);
 			//blur lightmap
-			mScreen.bindTarget();
+			screen_target->bindTarget();
 			glClearColor(1,1,1,1);
-			mScreen.clear(GL_COLOR_BUFFER_BIT);
+			screen_target->clear(GL_COLOR_BUFFER_BIT);
 			glClearColor(0,0,0,0);
 			
 			bindDeferredShader(gDeferredBlurLightProgram);
@@ -8621,12 +8615,13 @@ void LLPipeline::renderDeferredLighting()
 				stop_glerror();
 			}
 			
-			mScreen.flush();
+			screen_target->flush();
 			unbindDeferredShader(gDeferredBlurLightProgram);
 
-			bindDeferredShader(gDeferredBlurLightProgram, 1);
+			bindDeferredShader(gDeferredBlurLightProgram, screen_target);
+
 			mDeferredVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
-			mDeferredLight.bindTarget();
+			deferred_light_target->bindTarget();
 
 			gDeferredBlurLightProgram.uniform2f(sDelta, 0.f, 1.f);
 
@@ -8637,7 +8632,7 @@ void LLPipeline::renderDeferredLighting()
 				mDeferredVB->drawArrays(LLRender::TRIANGLES, 0, 3);
 				stop_glerror();
 			}
-			mDeferredLight.flush();
+			deferred_light_target->flush();
 			unbindDeferredShader(gDeferredBlurLightProgram);
 		}
 
@@ -8649,15 +8644,17 @@ void LLPipeline::renderDeferredLighting()
 		gGL.popMatrix();
 		stop_glerror();
 
-		mScreen.bindTarget();
+		screen_target->bindTarget();
 		// clear color buffer here - zeroing alpha (glow) is important or it will accumulate against sky
 		glClearColor(0,0,0,0);
-		mScreen.clear(GL_COLOR_BUFFER_BIT);
+		screen_target->clear(GL_COLOR_BUFFER_BIT);
 		
 		if (RenderDeferredAtmospheric)
-		{ //apply sunlight contribution 
+		{ //apply sunlight contribution
+            LLGLSLShader& soften_shader = LLPipeline::sUnderWaterRender ? gDeferredSoftenWaterProgram : gDeferredSoftenProgram;
+
 			LL_RECORD_BLOCK_TIME(FTM_ATMOSPHERICS);
-			bindDeferredShader(LLPipeline::sUnderWaterRender ? gDeferredSoftenWaterProgram : gDeferredSoftenProgram);	
+			bindDeferredShader(soften_shader);	
 			{
 				LLGLDepthTest depth(GL_FALSE);
 				LLGLDisable blend(GL_BLEND);
@@ -8747,8 +8744,7 @@ void LLPipeline::renderDeferredLighting()
 					}
 
 					const LLViewerObject *vobj = drawablep->getVObj();
-					if(vobj && vobj->getAvatar()
-						&& (vobj->getAvatar()->isTooComplex() || vobj->getAvatar()->isInMuteList()))
+					if(vobj && vobj->getAvatar() && vobj->getAvatar()->isInMuteList())
 					{
 						continue;
 					}
@@ -8912,17 +8908,17 @@ void LLPipeline::renderDeferredLighting()
 					count++;
 					if (count == max_count || fullscreen_lights.empty())
 					{
-						U32 idx = count-1;
-						bindDeferredShader(gDeferredMultiLightProgram[idx]);
-						gDeferredMultiLightProgram[idx].uniform1i(LLShaderMgr::MULTI_LIGHT_COUNT, count);
-						gDeferredMultiLightProgram[idx].uniform4fv(LLShaderMgr::MULTI_LIGHT, count, (GLfloat*) light);
-						gDeferredMultiLightProgram[idx].uniform4fv(LLShaderMgr::MULTI_LIGHT_COL, count, (GLfloat*) col);
-						gDeferredMultiLightProgram[idx].uniform1f(LLShaderMgr::MULTI_LIGHT_FAR_Z, far_z);
-						far_z = 0.f;
-						count = 0; 
-      mDeferredVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
-						mDeferredVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-						unbindDeferredShader(gDeferredMultiLightProgram[idx]);
+                        U32 idx = count-1;
+                        bindDeferredShader(gDeferredMultiLightProgram[idx]);
+                        gDeferredMultiLightProgram[idx].uniform1i(LLShaderMgr::MULTI_LIGHT_COUNT, count);
+                        gDeferredMultiLightProgram[idx].uniform4fv(LLShaderMgr::MULTI_LIGHT, count, (GLfloat*) light);
+                        gDeferredMultiLightProgram[idx].uniform4fv(LLShaderMgr::MULTI_LIGHT_COL, count, (GLfloat*) col);
+                        gDeferredMultiLightProgram[idx].uniform1f(LLShaderMgr::MULTI_LIGHT_FAR_Z, far_z);
+                        far_z = 0.f;
+                        count = 0; 
+                        mDeferredVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
+                        mDeferredVB->drawArrays(LLRender::TRIANGLES, 0, 3);
+                        unbindDeferredShader(gDeferredMultiLightProgram[idx]);
 					}
 				}
 				
@@ -8975,7 +8971,7 @@ void LLPipeline::renderDeferredLighting()
 		gGL.setColorMask(true, true);
 	}
 
-	mScreen.flush();
+	screen_target->flush();
 
 	//gamma correct lighting
 	gGL.matrixMode(LLRender::MM_PROJECTION);
@@ -8989,22 +8985,22 @@ void LLPipeline::renderDeferredLighting()
 		LLGLDepthTest depth(GL_FALSE, GL_FALSE);
 
 		LLVector2 tc1(0,0);
-		LLVector2 tc2((F32) mScreen.getWidth()*2,
-				  (F32) mScreen.getHeight()*2);
+		LLVector2 tc2((F32) screen_target->getWidth()*2,
+				  (F32) screen_target->getHeight()*2);
 
-		mScreen.bindTarget();
+		screen_target->bindTarget();
 		// Apply gamma correction to the frame here.
 		gDeferredPostGammaCorrectProgram.bind();
 		//mDeferredVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
 		S32 channel = 0;
-		channel = gDeferredPostGammaCorrectProgram.enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, mScreen.getUsage());
+		channel = gDeferredPostGammaCorrectProgram.enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, screen_target->getUsage());
 		if (channel > -1)
 		{
-			mScreen.bindTexture(0,channel);
+			screen_target->bindTexture(0,channel);
 			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
 		}
 		
-		gDeferredPostGammaCorrectProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, mScreen.getWidth(), mScreen.getHeight());
+		gDeferredPostGammaCorrectProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, screen_target->getWidth(), screen_target->getHeight());
 		
 		F32 gamma = gSavedSettings.getF32("RenderDeferredDisplayGamma");
 
@@ -9022,9 +9018,9 @@ void LLPipeline::renderDeferredLighting()
 		
 		gGL.end();
 		
-		gGL.getTexUnit(channel)->unbind(mScreen.getUsage());
+		gGL.getTexUnit(channel)->unbind(screen_target->getUsage());
 		gDeferredPostGammaCorrectProgram.unbind();
-		mScreen.flush();
+		screen_target->flush();
 	}
 
 	gGL.matrixMode(LLRender::MM_PROJECTION);
@@ -9032,7 +9028,7 @@ void LLPipeline::renderDeferredLighting()
 	gGL.matrixMode(LLRender::MM_MODELVIEW);
 	gGL.popMatrix();	
 
-	mScreen.bindTarget();
+	screen_target->bindTarget();
 
 	{ //render non-deferred geometry (alpha, fullbright, glow)
 		LLGLDisable blend(GL_BLEND);
@@ -9080,565 +9076,13 @@ void LLPipeline::renderDeferredLighting()
 			// Render debugging beacons.
 			gObjectList.renderObjectBeacons();
 			gObjectList.resetObjectBeacons();
-			gSky.addSunMoonBeacons();
 		}
 	}
 
-	mScreen.flush();
+	screen_target->flush();
 						
 }
 
-void LLPipeline::renderDeferredLightingToRT(LLRenderTarget* target)
-{
-	if (!sCull)
-	{
-		return;
-	}
-
-	{
-		LL_RECORD_BLOCK_TIME(FTM_RENDER_DEFERRED);
-
-		LLViewerCamera* camera = LLViewerCamera::getInstance();
-
-		{
-			LLGLDepthTest depth(GL_TRUE);
-			mDeferredDepth.copyContents(mDeferredScreen, 0, 0, mDeferredScreen.getWidth(), mDeferredScreen.getHeight(),
-							0, 0, mDeferredDepth.getWidth(), mDeferredDepth.getHeight(), GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT, GL_NEAREST);	
-		}
-
-		LLGLEnable multisample(RenderFSAASamples > 0 ? GL_MULTISAMPLE_ARB : 0);
-
-		if (gPipeline.hasRenderType(LLPipeline::RENDER_TYPE_HUD))
-		{
-			gPipeline.toggleRenderType(LLPipeline::RENDER_TYPE_HUD);
-		}
-
-		//ati doesn't seem to love actually using the stencil buffer on FBO's
-		LLGLDisable stencil(GL_STENCIL_TEST);
-		//glStencilFunc(GL_EQUAL, 1, 0xFFFFFFFF);
-		//glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
-
-		gGL.setColorMask(true, true);
-		
-		//draw a cube around every light
-		LLVertexBuffer::unbind();
-
-		LLGLEnable cull(GL_CULL_FACE);
-		LLGLEnable blend(GL_BLEND);
-
-		glh::matrix4f mat = copy_matrix(gGLModelView);
-
-		LLStrider<LLVector3> vert; 
-		mDeferredVB->getVertexStrider(vert);
-		
-		vert[0].set(-1,1,0);
-		vert[1].set(-1,-3,0);
-		vert[2].set(3,1,0);
-		
-        const LLEnvironment& environment = LLEnvironment::instance();
-
-        bool sun_up  = environment.getIsSunUp();
-        bool moon_up = environment.getIsMoonUp();
-
-		{
-			setupHWLights(NULL); //to set mSun/MoonDir;
-			glh::vec4f tc(mSunDir.mV);
-			mat.mult_matrix_vec(tc);
-
-            glh::vec4f tc_moon(mMoonDir.mV);
-            mTransformedMoonDir.set(tc_moon.v);
-            mTransformedMoonDir.normalize();
-
-            bool sun_is_primary = sun_up || !moon_up;            
-            if (sun_is_primary)
-            {
-                mTransformedSunDir.set(tc.v);
-                mTransformedSunDir.normalize();
-            }
-            else
-            {
-                mTransformedSunDir.set(tc_moon.v);
-                mTransformedSunDir.normalize();
-            }
-		}
-
-		gGL.pushMatrix();
-		gGL.loadIdentity();
-		gGL.matrixMode(LLRender::MM_PROJECTION);
-		gGL.pushMatrix();
-		gGL.loadIdentity();
-
-		if (RenderDeferredSSAO || RenderShadowDetail > 0)
-		{
-			mDeferredLight.bindTarget();
-			{ //paint shadow/SSAO light map (direct lighting lightmap)
-				LL_RECORD_BLOCK_TIME(FTM_SUN_SHADOW);
-				bindDeferredShader(gDeferredSunProgram);
-				mDeferredVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
-				glClearColor(1,1,1,1);
-				mDeferredLight.clear(GL_COLOR_BUFFER_BIT);
-				glClearColor(0,0,0,0);
-
-				glh::matrix4f inv_trans = get_current_modelview().inverse().transpose();
-
-				const U32 slice = 32;
-				F32 offset[slice*3];
-				for (U32 i = 0; i < 4; i++)
-				{
-					for (U32 j = 0; j < 8; j++)
-					{
-						glh::vec3f v;
-						v.set_value(sinf(6.284f/8*j), cosf(6.284f/8*j), -(F32) i);
-						v.normalize();
-						inv_trans.mult_matrix_vec(v);
-						v.normalize();
-						offset[(i*8+j)*3+0] = v.v[0];
-						offset[(i*8+j)*3+1] = v.v[2];
-						offset[(i*8+j)*3+2] = v.v[1];
-					}
-				}
-
-// pretty sure this doesn't work as expected since the shaders using 'shadow_offset' all declare it as a single uniform float, no array or vec
-				gDeferredSunProgram.uniform3fv(LLShaderMgr::DEFERRED_SHADOW_OFFSET, slice, offset);
-				gDeferredSunProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, mDeferredLight.getWidth(), mDeferredLight.getHeight());
-				
-				{
-					LLGLDisable blend(GL_BLEND);
-					LLGLDepthTest depth(GL_TRUE, GL_FALSE, GL_ALWAYS);
-					stop_glerror();
-					mDeferredVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-					stop_glerror();
-				}
-				
-				unbindDeferredShader(gDeferredSunProgram);
-			}
-			mDeferredLight.flush();
-		}
-				
-		stop_glerror();
-		gGL.popMatrix();
-		stop_glerror();
-		gGL.matrixMode(LLRender::MM_MODELVIEW);
-		stop_glerror();
-		gGL.popMatrix();
-		stop_glerror();
-
-		target->bindTarget();
-
-		//clear color buffer here - zeroing alpha (glow) is important or it will accumulate against sky
-		glClearColor(0,0,0,0);
-		target->clear(GL_COLOR_BUFFER_BIT);
-		
-		if (RenderDeferredAtmospheric)
-		{ //apply sunlight contribution 
-			LL_RECORD_BLOCK_TIME(FTM_ATMOSPHERICS);
-			bindDeferredShader(gDeferredSoftenProgram);	
-			{
-				LLGLDepthTest depth(GL_FALSE);
-				LLGLDisable blend(GL_BLEND);
-				LLGLDisable test(GL_ALPHA_TEST);
-
-				//full screen blit
-				gGL.pushMatrix();
-				gGL.loadIdentity();
-				gGL.matrixMode(LLRender::MM_PROJECTION);
-				gGL.pushMatrix();
-				gGL.loadIdentity();
-
-				mDeferredVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
-				
-				mDeferredVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-
-				gGL.popMatrix();
-				gGL.matrixMode(LLRender::MM_MODELVIEW);
-				gGL.popMatrix();
-			}
-
-			unbindDeferredShader(gDeferredSoftenProgram);
-		}
-
-		{ //render non-deferred geometry (fullbright, alpha, etc)
-			LLGLDisable blend(GL_BLEND);
-			LLGLDisable stencil(GL_STENCIL_TEST);
-			gGL.setSceneBlendType(LLRender::BT_ALPHA);
-
-			gPipeline.pushRenderTypeMask();
-			
-			gPipeline.andRenderTypeMask(LLPipeline::RENDER_TYPE_SKY,
-										LLPipeline::RENDER_TYPE_CLOUDS,
-										LLPipeline::RENDER_TYPE_WL_SKY,
-										LLPipeline::END_RENDER_TYPES);
-								
-			
-			renderGeomPostDeferred(*LLViewerCamera::getInstance(), false);
-			gPipeline.popRenderTypeMask();
-		}
-
-		bool render_local = RenderLocalLights;
-				
-		if (render_local)
-		{
-			gGL.setSceneBlendType(LLRender::BT_ADD);
-			std::list<LLVector4> fullscreen_lights;
-			LLDrawable::drawable_list_t spot_lights;
-			LLDrawable::drawable_list_t fullscreen_spot_lights;
-
-			for (U32 i = 0; i < 2; i++)
-			{
-				mTargetShadowSpotLight[i] = NULL;
-			}
-
-			std::list<LLVector4> light_colors;
-
-			LLVertexBuffer::unbind();
-
-			{
-				bindDeferredShader(gDeferredLightProgram);
-				
-				if (mCubeVB.isNull())
-				{
-					mCubeVB = ll_create_cube_vb(LLVertexBuffer::MAP_VERTEX, GL_STATIC_DRAW_ARB);
-				}
-
-				mCubeVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
-				
-				LLGLDepthTest depth(GL_TRUE, GL_FALSE);
-				for (LLDrawable::drawable_set_t::iterator iter = mLights.begin(); iter != mLights.end(); ++iter)
-				{
-					LLDrawable* drawablep = *iter;
-					
-					LLVOVolume* volume = drawablep->getVOVolume();
-					if (!volume)
-					{
-						continue;
-					}
-
-					if (volume->isAttachment())
-					{
-						if (!sRenderAttachedLights)
-						{
-							continue;
-						}
-					}
-
-
-					LLVector4a center;
-					center.load3(drawablep->getPositionAgent().mV);
-					const F32* c = center.getF32ptr();
-					F32 s = volume->getLightRadius()*1.5f;
-
-					LLColor3 col = volume->getLightColor();
-					
-					if (col.magVecSquared() < 0.001f)
-					{
-						continue;
-					}
-
-					if (s <= 0.001f)
-					{
-						continue;
-					}
-
-					LLVector4a sa;
-					sa.splat(s);
-					if (camera->AABBInFrustumNoFarClip(center, sa) == 0)
-					{
-						continue;
-					}
-
-					sVisibleLightCount++;
-										
-					if (camera->getOrigin().mV[0] > c[0] + s + 0.2f ||
-						camera->getOrigin().mV[0] < c[0] - s - 0.2f ||
-						camera->getOrigin().mV[1] > c[1] + s + 0.2f ||
-						camera->getOrigin().mV[1] < c[1] - s - 0.2f ||
-						camera->getOrigin().mV[2] > c[2] + s + 0.2f ||
-						camera->getOrigin().mV[2] < c[2] - s - 0.2f)
-					{ //draw box if camera is outside box
-						if (render_local)
-						{
-							if (volume->isLightSpotlight())
-							{
-								drawablep->getVOVolume()->updateSpotLightPriority();
-								spot_lights.push_back(drawablep);
-								continue;
-							}
-							
-							/*col.mV[0] = powf(col.mV[0], 2.2f);
-							col.mV[1] = powf(col.mV[1], 2.2f);
-							col.mV[2] = powf(col.mV[2], 2.2f);*/
-							
-							LL_RECORD_BLOCK_TIME(FTM_LOCAL_LIGHTS);
-							gDeferredLightProgram.uniform3fv(LLShaderMgr::LIGHT_CENTER, 1, c);
-							gDeferredLightProgram.uniform1f(LLShaderMgr::LIGHT_SIZE, s);
-							gDeferredLightProgram.uniform3fv(LLShaderMgr::DIFFUSE_COLOR, 1, col.mV);
-							gDeferredLightProgram.uniform1f(LLShaderMgr::LIGHT_FALLOFF, volume->getLightFalloff()*0.5f);
-							gGL.syncMatrices();
-							
-							mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, center));
-							stop_glerror();
-						}
-					}
-					else
-					{	
-						if (volume->isLightSpotlight())
-						{
-							drawablep->getVOVolume()->updateSpotLightPriority();
-							fullscreen_spot_lights.push_back(drawablep);
-							continue;
-						}
-
-						glh::vec3f tc(c);
-						mat.mult_matrix_vec(tc);
-					
-						fullscreen_lights.push_back(LLVector4(tc.v[0], tc.v[1], tc.v[2], s));
-						light_colors.push_back(LLVector4(col.mV[0], col.mV[1], col.mV[2], volume->getLightFalloff()*0.5f));
-					}
-				}
-				unbindDeferredShader(gDeferredLightProgram);
-			}
-
-			if (!spot_lights.empty())
-			{
-				LLGLDepthTest depth(GL_TRUE, GL_FALSE);
-				bindDeferredShader(gDeferredSpotLightProgram);
-
-				mCubeVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
-
-				gDeferredSpotLightProgram.enableTexture(LLShaderMgr::DEFERRED_PROJECTION);
-
-				for (LLDrawable::drawable_list_t::iterator iter = spot_lights.begin(); iter != spot_lights.end(); ++iter)
-				{
-					LL_RECORD_BLOCK_TIME(FTM_PROJECTORS);
-					LLDrawable* drawablep = *iter;
-
-					LLVOVolume* volume = drawablep->getVOVolume();
-
-					LLVector4a center;
-					center.load3(drawablep->getPositionAgent().mV);
-					const F32* c = center.getF32ptr();
-					F32 s = volume->getLightRadius()*1.5f;
-
-					sVisibleLightCount++;
-
-					setupSpotLight(gDeferredSpotLightProgram, drawablep);
-					
-					LLColor3 col = volume->getLightColor();
-					/*col.mV[0] = powf(col.mV[0], 2.2f);
-					col.mV[1] = powf(col.mV[1], 2.2f);
-					col.mV[2] = powf(col.mV[2], 2.2f);*/
-					
-					gDeferredSpotLightProgram.uniform3fv(LLShaderMgr::LIGHT_CENTER, 1, c);
-					gDeferredSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_SIZE, s);
-					gDeferredSpotLightProgram.uniform3fv(LLShaderMgr::DIFFUSE_COLOR, 1, col.mV);
-					gDeferredSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_FALLOFF, volume->getLightFalloff()*0.5f);
-					gGL.syncMatrices();
-										
-					mCubeVB->drawRange(LLRender::TRIANGLE_FAN, 0, 7, 8, get_box_fan_indices(camera, center));
-				}
-				gDeferredSpotLightProgram.disableTexture(LLShaderMgr::DEFERRED_PROJECTION);
-				unbindDeferredShader(gDeferredSpotLightProgram);
-			}
-
-			//reset mDeferredVB to fullscreen triangle
-			mDeferredVB->getVertexStrider(vert);
-			vert[0].set(-1,1,0);
-			vert[1].set(-1,-3,0);
-			vert[2].set(3,1,0);
-
-			{
-				LLGLDepthTest depth(GL_FALSE);
-
-				//full screen blit
-				gGL.pushMatrix();
-				gGL.loadIdentity();
-				gGL.matrixMode(LLRender::MM_PROJECTION);
-				gGL.pushMatrix();
-				gGL.loadIdentity();
-
-				U32 count = 0;
-
-				const U32 max_count = LL_DEFERRED_MULTI_LIGHT_COUNT;
-				LLVector4 light[max_count];
-				LLVector4 col[max_count];
-
-				F32 far_z = 0.f;
-
-				while (!fullscreen_lights.empty())
-				{
-					LL_RECORD_BLOCK_TIME(FTM_FULLSCREEN_LIGHTS);
-					light[count] = fullscreen_lights.front();
-					fullscreen_lights.pop_front();
-					col[count] = light_colors.front();
-					light_colors.pop_front();
-					
-					/*col[count].mV[0] = powf(col[count].mV[0], 2.2f);
-					col[count].mV[1] = powf(col[count].mV[1], 2.2f);
-					col[count].mV[2] = powf(col[count].mV[2], 2.2f);*/
-					
-					far_z = llmin(light[count].mV[2]-light[count].mV[3], far_z);
-					//col[count] = pow4fsrgb(col[count], 2.2f);
-					count++;
-					if (count == max_count || fullscreen_lights.empty())
-					{
-						U32 idx = count-1;
-						bindDeferredShader(gDeferredMultiLightProgram[idx]);
-						gDeferredMultiLightProgram[idx].uniform1i(LLShaderMgr::MULTI_LIGHT_COUNT, count);
-						gDeferredMultiLightProgram[idx].uniform4fv(LLShaderMgr::MULTI_LIGHT, count, (GLfloat*) light);
-						gDeferredMultiLightProgram[idx].uniform4fv(LLShaderMgr::MULTI_LIGHT_COL, count, (GLfloat*) col);
-						gDeferredMultiLightProgram[idx].uniform1f(LLShaderMgr::MULTI_LIGHT_FAR_Z, far_z);
-						far_z = 0.f;
-						count = 0; 
-						mDeferredVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
-						mDeferredVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-					}
-				}
-				
-				unbindDeferredShader(gDeferredMultiLightProgram[0]);
-
-				bindDeferredShader(gDeferredMultiSpotLightProgram);
-
-				gDeferredMultiSpotLightProgram.enableTexture(LLShaderMgr::DEFERRED_PROJECTION);
-
-				mDeferredVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
-
-				for (LLDrawable::drawable_list_t::iterator iter = fullscreen_spot_lights.begin(); iter != fullscreen_spot_lights.end(); ++iter)
-				{
-					LL_RECORD_BLOCK_TIME(FTM_PROJECTORS);
-					LLDrawable* drawablep = *iter;
-					
-					LLVOVolume* volume = drawablep->getVOVolume();
-
-					LLVector3 center = drawablep->getPositionAgent();
-					F32* c = center.mV;
-					F32 s = volume->getLightRadius()*1.5f;
-
-					sVisibleLightCount++;
-
-					glh::vec3f tc(c);
-					mat.mult_matrix_vec(tc);
-					
-					setupSpotLight(gDeferredMultiSpotLightProgram, drawablep);
-
-					LLColor3 col = volume->getLightColor();
-					
-					/*col.mV[0] = powf(col.mV[0], 2.2f);
-					col.mV[1] = powf(col.mV[1], 2.2f);
-					col.mV[2] = powf(col.mV[2], 2.2f);*/
-					
-					gDeferredMultiSpotLightProgram.uniform3fv(LLShaderMgr::LIGHT_CENTER, 1, tc.v);
-					gDeferredMultiSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_SIZE, s);
-					gDeferredMultiSpotLightProgram.uniform3fv(LLShaderMgr::DIFFUSE_COLOR, 1, col.mV);
-					gDeferredMultiSpotLightProgram.uniform1f(LLShaderMgr::LIGHT_FALLOFF, volume->getLightFalloff()*0.5f);
-					mDeferredVB->drawArrays(LLRender::TRIANGLES, 0, 3);
-				}
-
-				gDeferredMultiSpotLightProgram.disableTexture(LLShaderMgr::DEFERRED_PROJECTION);
-				unbindDeferredShader(gDeferredMultiSpotLightProgram);
-
-				gGL.popMatrix();
-				gGL.matrixMode(LLRender::MM_MODELVIEW);
-				gGL.popMatrix();
-			}
-		}
-
-		gGL.setColorMask(true, true);
-	}
-
-	/*target->flush();
-
-	//gamma correct lighting
-	gGL.matrixMode(LLRender::MM_PROJECTION);
-	gGL.pushMatrix();
-	gGL.loadIdentity();
-	gGL.matrixMode(LLRender::MM_MODELVIEW);
-	gGL.pushMatrix();
-	gGL.loadIdentity();
-
-	{
-		LLGLDepthTest depth(GL_FALSE, GL_FALSE);
-
-		LLVector2 tc1(0,0);
-		LLVector2 tc2((F32) target->getWidth()*2,
-				  (F32) target->getHeight()*2);
-
-		target->bindTarget();
-		// Apply gamma correction to the frame here.
-		gDeferredPostGammaCorrectProgram.bind();
-		//mDeferredVB->setBuffer(LLVertexBuffer::MAP_VERTEX);
-		S32 channel = 0;
-		channel = gDeferredPostGammaCorrectProgram.enableTexture(LLShaderMgr::DEFERRED_DIFFUSE, target->getUsage());
-		if (channel > -1)
-		{
-			target->bindTexture(0,channel);
-			gGL.getTexUnit(channel)->setTextureFilteringOption(LLTexUnit::TFO_POINT);
-		}
-		
-		gDeferredPostGammaCorrectProgram.uniform2f(LLShaderMgr::DEFERRED_SCREEN_RES, target->getWidth(), target->getHeight());
-		
-		F32 gamma = gSavedSettings.getF32("RenderDeferredDisplayGamma");
-
-		gDeferredPostGammaCorrectProgram.uniform1f(LLShaderMgr::DISPLAY_GAMMA, (gamma > 0.1f) ? 1.0f / gamma : (1.0f/2.2f));
-		
-		gGL.begin(LLRender::TRIANGLE_STRIP);
-		gGL.texCoord2f(tc1.mV[0], tc1.mV[1]);
-		gGL.vertex2f(-1,-1);
-		
-		gGL.texCoord2f(tc1.mV[0], tc2.mV[1]);
-		gGL.vertex2f(-1,3);
-		
-		gGL.texCoord2f(tc2.mV[0], tc1.mV[1]);
-		gGL.vertex2f(3,-1);
-		
-		gGL.end();
-		
-		gGL.getTexUnit(channel)->unbind(target->getUsage());
-		gDeferredPostGammaCorrectProgram.unbind();
-		target->flush();
-	}
-
-	gGL.matrixMode(LLRender::MM_PROJECTION);
-	gGL.popMatrix();
-	gGL.matrixMode(LLRender::MM_MODELVIEW);
-	gGL.popMatrix();	
-
-	target->bindTarget();*/
-
-	{ //render non-deferred geometry (alpha, fullbright, glow)
-		LLGLDisable blend(GL_BLEND);
-		LLGLDisable stencil(GL_STENCIL_TEST);
-
-		pushRenderTypeMask();
-		andRenderTypeMask(LLPipeline::RENDER_TYPE_ALPHA,
-						 LLPipeline::RENDER_TYPE_FULLBRIGHT,
-						 LLPipeline::RENDER_TYPE_VOLUME,
-						 LLPipeline::RENDER_TYPE_GLOW,
-						 LLPipeline::RENDER_TYPE_BUMP,
-						 LLPipeline::RENDER_TYPE_PASS_SIMPLE,
-						 LLPipeline::RENDER_TYPE_PASS_ALPHA,
-						 LLPipeline::RENDER_TYPE_PASS_ALPHA_MASK,
-						 LLPipeline::RENDER_TYPE_PASS_BUMP,
-						 LLPipeline::RENDER_TYPE_PASS_POST_BUMP,
-						 LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT,
-						 LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_ALPHA_MASK,
-						 LLPipeline::RENDER_TYPE_PASS_FULLBRIGHT_SHINY,
-						 LLPipeline::RENDER_TYPE_PASS_GLOW,
-						 LLPipeline::RENDER_TYPE_PASS_GRASS,
-						 LLPipeline::RENDER_TYPE_PASS_SHINY,
-						 LLPipeline::RENDER_TYPE_PASS_INVISIBLE,
-						 LLPipeline::RENDER_TYPE_PASS_INVISI_SHINY,
-						 LLPipeline::RENDER_TYPE_AVATAR,
-						 LLPipeline::RENDER_TYPE_ALPHA_MASK,
-						 LLPipeline::RENDER_TYPE_FULLBRIGHT_ALPHA_MASK,
-						 END_RENDER_TYPES);
-		
-		renderGeomPostDeferred(*LLViewerCamera::getInstance());
-		popRenderTypeMask();
-	}
-
-	//target->flush();				
-}
-
 void LLPipeline::setupSpotLight(LLGLSLShader& shader, LLDrawable* drawablep)
 {
 	//construct frustum
@@ -9780,12 +9224,16 @@ void LLPipeline::setupSpotLight(LLGLSLShader& shader, LLDrawable* drawablep)
 
 void LLPipeline::unbindDeferredShader(LLGLSLShader &shader)
 {
+    LLRenderTarget* deferred_target       = LLPipeline::sReflectionRender ? &mWaterDeferredScreen : &mDeferredScreen;
+    LLRenderTarget* deferred_depth_target = LLPipeline::sReflectionRender ? &mWaterDeferredDepth  : &mDeferredDepth;
+    LLRenderTarget* deferred_light_target = LLPipeline::sReflectionRender ? &mWaterDeferredLight : &mDeferredLight;
+
 	stop_glerror();
-	shader.disableTexture(LLShaderMgr::DEFERRED_NORMAL, mDeferredScreen.getUsage());
-	shader.disableTexture(LLShaderMgr::DEFERRED_DIFFUSE, mDeferredScreen.getUsage());
-	shader.disableTexture(LLShaderMgr::DEFERRED_SPECULAR, mDeferredScreen.getUsage());
-	shader.disableTexture(LLShaderMgr::DEFERRED_DEPTH, mDeferredScreen.getUsage());
-	shader.disableTexture(LLShaderMgr::DEFERRED_LIGHT, mDeferredLight.getUsage());
+	shader.disableTexture(LLShaderMgr::DEFERRED_NORMAL, deferred_target->getUsage());
+	shader.disableTexture(LLShaderMgr::DEFERRED_DIFFUSE, deferred_target->getUsage());
+	shader.disableTexture(LLShaderMgr::DEFERRED_SPECULAR, deferred_target->getUsage());
+	shader.disableTexture(LLShaderMgr::DEFERRED_DEPTH, deferred_depth_target->getUsage());
+	shader.disableTexture(LLShaderMgr::DEFERRED_LIGHT, deferred_light_target->getUsage());
 	shader.disableTexture(LLShaderMgr::DIFFUSE_MAP);
 	shader.disableTexture(LLShaderMgr::DEFERRED_BLOOM);
 
@@ -9851,8 +9299,9 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 
 		LLCamera camera = camera_in;
 		camera.setFar(camera.getFar()*0.87654321f);
-		LLPipeline::sReflectionRender = true;
-		
+
+		LLPipeline::sReflectionRender = true;		
+
 		gPipeline.pushRenderTypeMask();
 
 		glh::matrix4f projection = get_current_projection();
@@ -9874,7 +9323,7 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
         camera.setOriginAndLookAt(reflect_origin, LLVector3::z_axis, reflect_interest_point);
 
 		//plane params
-		LLVector3 pnorm;      
+		LLVector3 pnorm;
 		S32 water_clip = 0;
 		if (!LLViewerCamera::getInstance()->cameraUnderWater())
 		{ //camera is above water, clip plane points up
@@ -9889,20 +9338,13 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 			water_clip = -1;
 		}
 
-		bool materials_in_water = false;
-
-#if MATERIALS_IN_REFLECTIONS
-		materials_in_water = gSavedSettings.getS32("RenderWaterMaterials");
-#endif
-
 		if (!LLViewerCamera::getInstance()->cameraUnderWater())
 		{	//generate planar reflection map
-
-            LLPipeline::sRenderingWaterReflection = true;
-
 			//disable occlusion culling for reflection map for now
 			S32 occlusion = LLPipeline::sUseOcclusion;
+
 			LLPipeline::sUseOcclusion = 0;
+
 			gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 			glClearColor(0,0,0,0);
 
@@ -9932,6 +9374,8 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
             // convert from CFR to OGL coord sys...
             mat = glh::matrix4f((GLfloat*) OGL_TO_CFR_ROTATION) * mat;
 
+            mReflectionModelView = mat;
+
 			set_current_modelview(mat);
 			gGL.loadMatrix(mat.m);
 
@@ -9951,31 +9395,35 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 						LLPipeline::RENDER_TYPE_CLOUDS,
 						LLPipeline::END_RENDER_TYPES);
 
+                    mWaterRef.flush();
+
+                    gGL.setColorMask(true, true);
+					glClearColor(0,0,0,0);
+
+                    gPipeline.mWaterDeferredDepth.bindTarget();
+                    gPipeline.mWaterDeferredDepth.clear();
+					gPipeline.mWaterDeferredScreen.bindTarget();
+					gPipeline.mWaterDeferredScreen.clear();
+
 					static LLCullResult result;
 					updateCull(camera, result);
 					stateSort(camera, result);
+                    gPipeline.grabReferences(result);
 
-					if (LLPipeline::sRenderDeferred && materials_in_water)
+                    if (LLPipeline::sRenderDeferred)
 					{
-						mWaterRef.flush();
-
-						gPipeline.grabReferences(result);
-						gPipeline.mDeferredScreen.bindTarget();
-						gGL.setColorMask(true, true);						
-						glClearColor(0,0,0,0);
-						gPipeline.mDeferredScreen.clear();
-
 						renderGeomDeferred(camera);						
 					}
 					else
 					{
-					renderGeom(camera, TRUE);
+					    renderGeom(camera, TRUE);
 					}					
 
 					gPipeline.popRenderTypeMask();
 				}
 
 				gGL.setColorMask(true, false);
+
 				gPipeline.pushRenderTypeMask();
 
 				clearRenderTypeMask(LLPipeline::RENDER_TYPE_WATER,
@@ -10001,20 +9449,19 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 						}
 					}
 
-					LLGLUserClipPlane clip_plane(plane, mat, projection);
 					LLGLDisable cull(GL_CULL_FACE);
-					updateCull(camera, ref_result, water_clip, &plane);
+					updateCull(camera, ref_result);
 					stateSort(camera, ref_result);
+                    gPipeline.grabReferences(ref_result);
 				}	
 
 				if (LLDrawPoolWater::sNeedsDistortionUpdate)
 				{
 					if (RenderReflectionDetail > 0)
 					{
-						gPipeline.grabReferences(ref_result);
 						LLGLUserClipPlane clip_plane(plane, mat, projection);
 
-						if (LLPipeline::sRenderDeferred && materials_in_water)
+						if (LLPipeline::sRenderDeferred)
 						{							
 							renderGeomDeferred(camera);
 						}
@@ -10025,17 +9472,17 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 				    }	
 				}	
 
-				if (LLPipeline::sRenderDeferred && materials_in_water)
+				if (LLPipeline::sRenderDeferred)
 				{
-					gPipeline.mDeferredScreen.flush();
-					renderDeferredLightingToRT(&mWaterRef);
+					gPipeline.mWaterDeferredScreen.flush();
+                    gPipeline.mWaterDeferredDepth.flush();
+                    mWaterRef.copyContents(gPipeline.mWaterDeferredScreen, 0, 0, gPipeline.mWaterDeferredScreen.getWidth(), gPipeline.mWaterDeferredScreen.getHeight(),
+							0, 0, gPipeline.mWaterRef.getWidth(), gPipeline.mWaterRef.getHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST);	
 				}
 
 				gPipeline.popRenderTypeMask();
 			}	
 
-            LLPipeline::sRenderingWaterReflection = false;
-
 			glCullFace(GL_BACK);
             gGL.matrixMode(LLRender::MM_MODELVIEW);
 			gGL.popMatrix();
@@ -10095,13 +9542,13 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 				gGL.setColorMask(true, false);
 
 				
-				if (LLPipeline::sRenderDeferred && materials_in_water)
+				if (LLPipeline::sRenderDeferred)
 				{										
 					mWaterDis.flush();
-					gPipeline.mDeferredScreen.bindTarget();
+					gPipeline.mWaterDeferredScreen.bindTarget();
 					gGL.setColorMask(true, true);
 					glClearColor(0,0,0,0);
-					gPipeline.mDeferredScreen.clear();
+					gPipeline.mWaterDeferredScreen.clear();
 					gPipeline.grabReferences(result);
 					renderGeomDeferred(camera);					
 				}
@@ -10122,19 +9569,20 @@ void LLPipeline::generateWaterReflection(LLCamera& camera_in)
 					}
 				}
 
-				if (LLPipeline::sRenderDeferred && materials_in_water)
+				if (LLPipeline::sRenderDeferred)
 				{
-					gPipeline.mDeferredScreen.flush();
-					renderDeferredLightingToRT(&mWaterDis);
+					gPipeline.mWaterDeferredScreen.flush();
+                    gPipeline.mWaterDeferredDepth.flush();
+                    mWaterDis.copyContents(gPipeline.mWaterDeferredScreen, 0, 0, gPipeline.mWaterDeferredScreen.getWidth(), gPipeline.mWaterDeferredScreen.getHeight(),
+							0, 0, gPipeline.mWaterDeferredDepth.getWidth(), gPipeline.mWaterDeferredDepth.getHeight(), GL_COLOR_BUFFER_BIT, GL_NEAREST);	
 				}
 			}
 
-			mWaterDis.flush();
-			LLPipeline::sUnderWaterRender = false;
-			
+			mWaterDis.flush();			
 		}
 		last_update = LLDrawPoolWater::sNeedsReflectionUpdate && LLDrawPoolWater::sNeedsDistortionUpdate;
 
+        LLPipeline::sUnderWaterRender = false;
 		LLPipeline::sReflectionRender = false;
 
 		if (!LLRenderTarget::sUseFBO)
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index 9977781065..b631d5bf6c 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -276,12 +276,11 @@ public:
 	void renderGeomDeferred(LLCamera& camera);
 	void renderGeomPostDeferred(LLCamera& camera, bool do_occlusion=true);
 	void renderGeomShadow(LLCamera& camera);
-	void bindDeferredShader(LLGLSLShader& shader, U32 light_index = 0, U32 noise_map = 0xFFFFFFFF);
+	void bindDeferredShader(LLGLSLShader& shader, LLRenderTarget* light_target = nullptr);
 	void setupSpotLight(LLGLSLShader& shader, LLDrawable* drawablep);
 
 	void unbindDeferredShader(LLGLSLShader& shader);
-	void renderDeferredLighting();
-	void renderDeferredLightingToRT(LLRenderTarget* target);
+	void renderDeferredLighting(LLRenderTarget* light_target);
 	
 	void generateWaterReflection(LLCamera& camera);
 	void generateSunShadow(LLCamera& camera);
@@ -588,7 +587,6 @@ public:
 	static bool				sRenderAttachedLights;
 	static bool				sRenderAttachedParticles;
 	static bool				sRenderDeferred;
-    static bool				sRenderingWaterReflection;
 	static bool             sMemAllocationThrottled;
 	static S32				sVisibleLightCount;
 	static F32				sMinRenderSize;
@@ -620,37 +618,32 @@ public:
 	//sun shadow map
 	LLRenderTarget			mShadow[6];
 	LLRenderTarget			mShadowOcclusion[6];
-	LLRenderTarget			mInscatter;
-	std::vector<LLVector3>		mShadowFrustPoints[4];
-	LLVector4			mShadowError;
-	LLVector4			mShadowFOV;
-	LLVector3			mShadowFrustOrigin[4];
-	LLCamera			mShadowCamera[8];
-	LLVector3			mShadowExtents[4][2];
+
+	std::vector<LLVector3>  mShadowFrustPoints[4];
+	LLVector4			    mShadowError;
+	LLVector4			    mShadowFOV;
+	LLVector3			    mShadowFrustOrigin[4];
+	LLCamera			    mShadowCamera[8];
+	LLVector3			    mShadowExtents[4][2];
 	glh::matrix4f			mSunShadowMatrix[6];
 	glh::matrix4f			mShadowModelview[6];
 	glh::matrix4f			mShadowProjection[6];
-	glh::matrix4f			mGIMatrix;
-	glh::matrix4f			mGIMatrixProj;
-	glh::matrix4f			mGIModelview;
-	glh::matrix4f			mGIProjection;
-	glh::matrix4f			mGINormalMatrix;
-	glh::matrix4f			mGIInvProj;
-	LLVector2				mGIRange;
-	F32						mGILightRadius;
-	
-	LLPointer<LLDrawable>				mShadowSpotLight[2];
-	F32									mSpotLightFade[2];
-	LLPointer<LLDrawable>				mTargetShadowSpotLight[2];
+    glh::matrix4f           mReflectionModelView;
+
+	LLPointer<LLDrawable>	mShadowSpotLight[2];
+	F32						mSpotLightFade[2];
+	LLPointer<LLDrawable>	mTargetShadowSpotLight[2];
 
 	LLVector4				mSunClipPlanes;
 	LLVector4				mSunOrthoClipPlanes;
-
 	LLVector2				mScreenScale;
 
 	//water reflection texture
 	LLRenderTarget				mWaterRef;
-
+    LLRenderTarget				mWaterDeferredScreen;
+    LLRenderTarget				mWaterDeferredDepth;
+    LLRenderTarget				mWaterOcclusionDepth;
+    LLRenderTarget			    mWaterDeferredLight;
 	//water distortion texture (refraction)
 	LLRenderTarget				mWaterDis;