merge changes for 3.7.2-release

10 files changed, 166 insertions, 1094 deletions

diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl
deleted file mode 100755
index 9670d59399..0000000000
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl
+++ /dev/null
@@ -1,235 +0,0 @@
-/** 
- * @file alphaF.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
- * $/LicenseInfo$
- */
- 
-#extension GL_ARB_texture_rectangle : enable
-
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
-#else
-#define frag_color gl_FragColor
-#endif
-
-uniform sampler2DShadow shadowMap0;
-uniform sampler2DShadow shadowMap1;
-uniform sampler2DShadow shadowMap2;
-uniform sampler2DShadow shadowMap3;
-uniform sampler2DRect depthMap;
-uniform sampler2D diffuseMap;
-
-uniform mat4 shadow_matrix[6];
-uniform vec4 shadow_clip;
-uniform vec2 screen_res;
-
-vec3 atmosLighting(vec3 light);
-vec3 scaleSoftClip(vec3 light);
-
-VARYING vec3 vary_ambient;
-VARYING vec3 vary_directional;
-VARYING vec3 vary_fragcoord;
-VARYING vec3 vary_position;
-VARYING vec3 vary_pointlight_col;
-VARYING vec2 vary_texcoord0;
-VARYING vec4 vertex_color;
-VARYING vec3 vary_norm;
-
-uniform vec2 shadow_res;
-uniform float shadow_bias;
-
-uniform mat4 inv_proj;
-
-uniform vec4 light_position[8];
-uniform vec3 light_direction[8];
-uniform vec3 light_attenuation[8]; 
-uniform vec3 light_diffuse[8];
-
-vec3 calcDirectionalLight(vec3 n, vec3 l)
-{
-        float a = pow(max(dot(n,l),0.0), 0.7);
-        return vec3(a,a,a);
-}
-
-vec3 calcPointLightOrSpotLight(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 = dot(lv,lv);
-	
-	float da = 0.0;
-
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
-	{
-		//normalize light vector
-		lv = normalize(lv);
-	
-		//distance attenuation
-		float dist2 = d/la;
-		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-
-		// spotlight coefficient.
-		float spot = max(dot(-ln, lv), is_pointlight);
-		da *= spot*spot; // GL_SPOT_EXPONENT=2
-
-		//angular attenuation
-		da *= max(pow(dot(n, lv), 0.7), 0.0);		
-	}
-
-	return vec3(da,da,da);	
-}
-
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).a;
-	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.xyz /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
-
-float pcfShadow(sampler2DShadow shadowMap, vec4 stc)
-{
-	stc.xyz /= stc.w;
-	stc.z += shadow_bias;
-
-	stc.x = floor(stc.x*shadow_res.x + fract(stc.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;
-}
-
-
-void main() 
-{
-	vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5;
-	frag *= screen_res;
-	
-	float shadow = 0.0;
-	vec4 pos = vec4(vary_position, 1.0);
-	
-	vec4 spos = pos;
-		
-	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;
-	}
-	vec3 n = vary_norm;
-	vec3 l = light_position[0].xyz;
-	vec3 dlight = calcDirectionalLight(n, l);
-	dlight = dlight * vary_directional.rgb * vary_pointlight_col;
-	vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy);
-
-	vec4 col = vec4(vary_ambient + dlight*shadow, vertex_color.a);
-	vec4 color = diff * col;
-	
-	color.rgb = atmosLighting(color.rgb);
-
-	color.rgb = scaleSoftClip(color.rgb);
-	vec3 light_col = vec3(0,0,0);
-
-  #define LIGHT_LOOP(i) \
-		light_col += light_diffuse[i].rgb * calcPointLightOrSpotLight(pos.xyz, vary_norm, light_position[i], light_direction[i], 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)
-
-	color.rgb += diff.rgb * vary_pointlight_col * light_col;
-
-	frag_color = color;	
-}
-
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedNoColorF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedNoColorF.glsl
deleted file mode 100755
index fae279fba0..0000000000
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedNoColorF.glsl
+++ /dev/null
@@ -1,242 +0,0 @@
-/** 
- * @file alphaNonIndexedNoColorF.glsl
- *
- * $LicenseInfo:firstyear=2005&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2005, 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
- * $/LicenseInfo$
- */
- 
-#extension GL_ARB_texture_rectangle : enable
-
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
-#else
-#define frag_color gl_FragColor
-#endif
-
-uniform float minimum_alpha;
-
-uniform sampler2DShadow shadowMap0;
-uniform sampler2DShadow shadowMap1;
-uniform sampler2DShadow shadowMap2;
-uniform sampler2DShadow shadowMap3;
-uniform sampler2DRect depthMap;
-uniform sampler2D diffuseMap;
-
-uniform mat4 shadow_matrix[6];
-uniform vec4 shadow_clip;
-uniform vec2 screen_res;
-
-vec3 atmosLighting(vec3 light);
-vec3 scaleSoftClip(vec3 light);
-
-VARYING vec3 vary_ambient;
-VARYING vec3 vary_directional;
-VARYING vec3 vary_fragcoord;
-VARYING vec3 vary_position;
-VARYING vec3 vary_pointlight_col;
-VARYING vec2 vary_texcoord0;
-VARYING vec3 vary_norm;
-
-uniform vec2 shadow_res;
-
-uniform float shadow_bias;
-
-uniform mat4 inv_proj;
-
-uniform vec4 light_position[8];
-uniform vec3 light_direction[8];
-uniform vec3 light_attenuation[8]; 
-uniform vec3 light_diffuse[8];
-
-vec3 calcDirectionalLight(vec3 n, vec3 l)
-{
-        float a = pow(max(dot(n,l),0.0), 0.7);
-        return vec3(a, a, a);
-}
-
-vec3 calcPointLightOrSpotLight(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 = dot(lv,lv);
-	
-	float da = 0.0;
-
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
-	{
-		//normalize light vector
-		lv = normalize(lv);
-	
-		//distance attenuation
-		float dist2 = d/la;
-		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-
-		// spotlight coefficient.
-		float spot = max(dot(-ln, lv), is_pointlight);
-		da *= spot*spot; // GL_SPOT_EXPONENT=2
-
-		//angular attenuation
-		da *= max(pow(dot(n, lv), 0.7), 0.0);		
-	}
-
-	return vec3(da,da,da);	
-}
-
-vec4 getPosition(vec2 pos_screen)
-{
-	float depth = texture2DRect(depthMap, pos_screen.xy).a;
-	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.xyz /= pos.w;
-	pos.w = 1.0;
-	return pos;
-}
-
-float pcfShadow(sampler2DShadow shadowMap, vec4 stc)
-{
-	stc.xyz /= stc.w;
-	stc.z += shadow_bias;
-
-	stc.x = floor(stc.x*shadow_res.x + fract(stc.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;
-}
-
-
-void main() 
-{
-	vec2 frag = vary_fragcoord.xy/vary_fragcoord.z*0.5+0.5;
-	frag *= screen_res;
-	
-	float shadow = 0.0;
-	vec4 pos = vec4(vary_position, 1.0);
-	
-	vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy);
-
-	if (diff.a < minimum_alpha)
-	{
-		discard;
-	}
-	
-	vec4 spos = pos;
-		
-	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;
-	}
-	vec3 n = vary_norm;
-	vec3 l = light_position[0].xyz;
-	vec3 dlight = calcDirectionalLight(n, l);
-	dlight = dlight * vary_directional.rgb * vary_pointlight_col;
-	
-	vec4 col = vec4(vary_ambient + dlight*shadow, 1.0);
-	vec4 color = diff * col;
-	
-	color.rgb = atmosLighting(color.rgb);
-
-	color.rgb = scaleSoftClip(color.rgb);
-	vec3 light_col = vec3(0,0,0);
-
-  #define LIGHT_LOOP(i) \
-		light_col += light_diffuse[i].rgb * calcPointLightOrSpotLight(pos.xyz, vary_norm, light_position[i], light_direction[i], 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)
-
-	color.rgb += diff.rgb * vary_pointlight_col * light_col;
-
-	frag_color = color;
-}
-
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
deleted file mode 100755
index 7f4d82ecc6..0000000000
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
+++ /dev/null
@@ -1,156 +0,0 @@
-/** 
- * @file alphaSkinnedV.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 mat4 projection_matrix;
-uniform mat4 texture_matrix0;
-uniform mat4 modelview_matrix;
-uniform mat4 modelview_projection_matrix;
- 
-ATTRIBUTE vec3 position;
-ATTRIBUTE vec3 normal;
-ATTRIBUTE vec4 diffuse_color;
-ATTRIBUTE vec2 texcoord0;
-
-vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
-void calcAtmospherics(vec3 inPositionEye);
-
-float calcDirectionalLight(vec3 n, vec3 l);
-mat4 getObjectSkinnedTransform();
-vec3 atmosAmbient(vec3 light);
-vec3 atmosAffectDirectionalLight(float lightIntensity);
-vec3 scaleDownLight(vec3 light);
-vec3 scaleUpLight(vec3 light);
-
-VARYING vec3 vary_ambient;
-VARYING vec3 vary_directional;
-VARYING vec3 vary_fragcoord;
-VARYING vec3 vary_position;
-VARYING vec3 vary_pointlight_col;
-
-VARYING vec4 vertex_color;
-VARYING vec2 vary_texcoord0;
-VARYING vec3 vary_norm;
-
-uniform float near_clip;
-uniform float shadow_offset;
-uniform float shadow_bias;
-
-uniform vec4 light_position[8];
-uniform vec3 light_direction[8];
-uniform vec3 light_attenuation[8]; 
-uniform vec3 light_diffuse[8];
-
-float calcDirectionalLight(vec3 n, vec3 l)
-{
-        float a = max(dot(n,l),0.0);
-        return a;
-}
-
-float calcPointLightOrSpotLight(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 = dot(lv,lv);
-	
-	float da = 0.0;
-
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
-	{
-		//normalize light vector
-		lv = normalize(lv);
-	
-		//distance attenuation
-		float dist2 = d/la;
-		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-
-		// 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);		
-	}
-
-	return da;	
-}
-
-void main()
-{
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-	
-	mat4 mat = getObjectSkinnedTransform();
-	
-	mat = modelview_matrix * mat;
-	
-	vec3 pos = (mat*vec4(position, 1.0)).xyz;
-	
-	gl_Position = projection_matrix * vec4(pos, 1.0);
-	
-	vec4 n = vec4(position, 1.0);
-	n.xyz += normal.xyz;
-	n.xyz = (mat*n).xyz;
-	n.xyz = normalize(n.xyz-pos.xyz);
-	
-	vec3 norm = n.xyz;
-	vary_norm = norm;
-
-	float dp_directional_light = max(0.0, dot(norm, light_position[0].xyz));
-	vary_position = pos.xyz + light_position[0].xyz * (1.0-dp_directional_light)*shadow_offset;
-			
-	calcAtmospherics(pos.xyz);
-
-	//vec4 color = calcLighting(pos.xyz, norm, diffuse_color, vec4(0.));
-	vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
-
-	// Collect normal lights
-	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].y, light_attenuation[2].z);
-	col.rgb += light_diffuse[3].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[3], light_direction[3], light_attenuation[3].x, light_attenuation[3].y, light_attenuation[3].z);
-	col.rgb += light_diffuse[4].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[4], light_direction[4], light_attenuation[4].x, light_attenuation[4].y, light_attenuation[4].z);
-	col.rgb += light_diffuse[5].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[5], light_direction[5], light_attenuation[5].x, light_attenuation[5].y, light_attenuation[5].z);
-	col.rgb += light_diffuse[6].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[6], light_direction[6], light_attenuation[6].x, light_attenuation[6].y, light_attenuation[6].z);
-	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].y, light_attenuation[7].z);
-	
-	vary_pointlight_col = col.rgb*diffuse_color.rgb;
-
-	col.rgb = vec3(0,0,0);
-
-	// Add windlight lights
-	col.rgb = atmosAmbient(vec3(0.));
-		
-	vary_ambient = col.rgb*diffuse_color.rgb;
-	vary_directional.rgb = diffuse_color.rgb*atmosAffectDirectionalLight(max(calcDirectionalLight(norm, light_position[0].xyz), (1.0-diffuse_color.a)*(1.0-diffuse_color.a)));
-	
-	col.rgb = min(col.rgb*diffuse_color.rgb, 1.0);
-	
-	vertex_color = col;
-
-	
-	
-	pos.xyz = (modelview_projection_matrix * vec4(position.xyz, 1.0)).xyz;
-	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
-	
-}
-
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
deleted file mode 100755
index 13c6ffc607..0000000000
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ /dev/null
@@ -1,224 +0,0 @@
-/** 
- * @file alphaV.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 mat3 normal_matrix;
-uniform mat4 texture_matrix0;
-uniform mat4 projection_matrix;
-uniform mat4 modelview_matrix;
-uniform mat4 modelview_projection_matrix;
-
-ATTRIBUTE vec3 position;
-
-#ifdef USE_INDEXED_TEX
-void passTextureIndex();
-#endif
-
-ATTRIBUTE vec3 normal;
-
-#ifdef USE_VERTEX_COLOR
-ATTRIBUTE vec4 diffuse_color;
-#endif
-
-ATTRIBUTE vec2 texcoord0;
-
-#ifdef HAS_SKIN
-mat4 getObjectSkinnedTransform();
-#else
-#ifdef IS_AVATAR_SKIN
-mat4 getSkinnedTransform();
-#endif
-#endif
-
-vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
-void calcAtmospherics(vec3 inPositionEye);
-
-vec3 calcDirectionalLight(vec3 n, vec3 l);
-
-vec3 atmosAmbient(vec3 light);
-vec3 atmosAffectDirectionalLight(float lightIntensity);
-vec3 scaleDownLight(vec3 light);
-vec3 scaleUpLight(vec3 light);
-
-VARYING vec3 vary_ambient;
-VARYING vec3 vary_directional;
-VARYING vec3 vary_fragcoord;
-VARYING vec3 vary_position;
-VARYING vec3 vary_pointlight_col;
-
-#ifdef USE_VERTEX_COLOR
-VARYING vec4 vertex_color;
-#endif
-
-VARYING vec2 vary_texcoord0;
-VARYING vec3 vary_norm;
-
-uniform float near_clip;
-uniform float shadow_offset;
-uniform float shadow_bias;
-
-uniform vec4 light_position[8];
-uniform vec3 light_direction[8];
-uniform vec3 light_attenuation[8]; 
-uniform vec3 light_diffuse[8];
-
-uniform vec3 sun_dir;
-
-vec3 calcDirectionalLight(vec3 n, vec3 l)
-{
-        float a = max(dot(n,l),0.0);
-        return vec3(a,a,a);
-}
-
-vec3 calcPointLightOrSpotLight(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 = dot(lv,lv);
-	
-	float da = 0.0;
-
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
-	{
-		//normalize light vector
-		lv = normalize(lv);
-	
-		//distance attenuation
-		float dist2 = d/la;
-		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-
-		// 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);		
-	}
-
-	return vec3(da,da,da);	
-}
-
-void main()
-{
-	vec4 pos;
-	vec3 norm;
-	
-	//transform vertex
-#ifdef HAS_SKIN
-	mat4 trans = getObjectSkinnedTransform();
-	trans = modelview_matrix * trans;
-	
-	pos = trans * vec4(position.xyz, 1.0);
-	
-	norm = position.xyz + normal.xyz;
-	norm = normalize((trans * vec4(norm, 1.0)).xyz - pos.xyz);
-	vec4 frag_pos = projection_matrix * pos;
-	gl_Position = frag_pos;
-#else
-
-#ifdef IS_AVATAR_SKIN
-	mat4 trans = getSkinnedTransform();
-	vec4 pos_in = vec4(position.xyz, 1.0);
-	pos.x = dot(trans[0], pos_in);
-	pos.y = dot(trans[1], pos_in);
-	pos.z = dot(trans[2], pos_in);
-	pos.w = 1.0;
-	
-	norm.x = dot(trans[0].xyz, normal);
-	norm.y = dot(trans[1].xyz, normal);
-	norm.z = dot(trans[2].xyz, normal);
-	norm = normalize(norm);
-	
-	vec4 frag_pos = projection_matrix * pos;
-	gl_Position = frag_pos;
-#else
-	norm = normalize(normal_matrix * normal);
-	vec4 vert = vec4(position.xyz, 1.0);
-	pos = (modelview_matrix * vert);
-	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
-#endif
-	
-#endif
-
-#ifdef USE_INDEXED_TEX
-	passTextureIndex();
-	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
-#else
-	vary_texcoord0 = texcoord0;
-#endif
-	
-	vary_norm = norm;
-	float dp_directional_light = max(0.0, dot(norm, light_position[0].xyz));
-	vary_position = pos.xyz + light_position[0].xyz * (1.0-dp_directional_light)*shadow_offset;
-	
-	calcAtmospherics(pos.xyz);
-
-#ifndef USE_VERTEX_COLOR
-	vec4 diffuse_color = vec4(1,1,1,1);
-#endif
-
-	//vec4 color = calcLighting(pos.xyz, norm, diffuse_color, vec4(0.));
-	vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
-
-	vec3 dff = pow(diffuse_color.rgb, vec3(2.2f,2.2f,2.2f));
-
-	vary_pointlight_col = dff;
-
-	col.rgb = vec3(0,0,0);
-
-	// Add windlight lights
-	col.rgb = atmosAmbient(col.rgb);
-	
-	float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0);
-	ambient *= 0.5;
-	ambient *= ambient;
-	ambient = (1.0-ambient);
-
-	col.rgb *= ambient;
-
-	vary_directional.rgb = atmosAffectDirectionalLight(1.0f);
-	vary_ambient = col.rgb*dff;
-	
-	col.rgb = col.rgb*dff;
-	
-#ifdef USE_VERTEX_COLOR
-	vertex_color = col;
-#endif
-	
-#ifdef HAS_SKIN
-	vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip);
-#else
-
-#ifdef IS_AVATAR_SKIN
-	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
-#else
-	pos = modelview_projection_matrix * vert;
-	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
-#endif
-
-#endif
-
-}
diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
deleted file mode 100755
index 44aaa98b97..0000000000
--- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
+++ /dev/null
@@ -1,153 +0,0 @@
-/** 
- * @file avatarAlphaV.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 mat4 projection_matrix;
-
-ATTRIBUTE vec3 position;
-ATTRIBUTE vec3 normal;
-ATTRIBUTE vec2 texcoord0;
-
-vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
-mat4 getSkinnedTransform();
-void calcAtmospherics(vec3 inPositionEye);
-
-float calcDirectionalLight(vec3 n, vec3 l);
-float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float is_pointlight);
-
-vec3 atmosAmbient(vec3 light);
-vec3 atmosAffectDirectionalLight(float lightIntensity);
-vec3 scaleDownLight(vec3 light);
-vec3 scaleUpLight(vec3 light);
-
-VARYING vec3 vary_position;
-VARYING vec3 vary_ambient;
-VARYING vec3 vary_directional;
-VARYING vec3 vary_fragcoord;
-VARYING vec3 vary_pointlight_col;
-VARYING vec4 vertex_color;
-VARYING vec2 vary_texcoord0;
-
-uniform vec4 color;
-
-uniform float near_clip;
-uniform float shadow_offset;
-uniform float shadow_bias;
-
-uniform vec4 light_position[8];
-uniform vec3 light_direction[8];
-uniform vec3 light_attenuation[8]; 
-uniform vec3 light_diffuse[8];
-
-float calcDirectionalLight(vec3 n, vec3 l)
-{
-        float a = max(dot(n,l),0.0);
-        return a;
-}
-
-float calcPointLightOrSpotLight(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 = dot(lv,lv);
-	
-	float da = 0.0;
-
-	if (d > 0.0 && la > 0.0 && fa > 0.0)
-	{
-		//normalize light vector
-		lv = normalize(lv);
-	
-		//distance attenuation
-		float dist2 = d/la;
-		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-
-		// 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);		
-	}
-
-	return da;	
-}
-
-void main()
-{
-	vary_texcoord0 = texcoord0;
-				
-	vec4 pos;
-	vec3 norm;
-	
-	mat4 trans = getSkinnedTransform();
-	vec4 pos_in = vec4(position.xyz, 1.0);
-	pos.x = dot(trans[0], pos_in);
-	pos.y = dot(trans[1], pos_in);
-	pos.z = dot(trans[2], pos_in);
-	pos.w = 1.0;
-	
-	norm.x = dot(trans[0].xyz, normal);
-	norm.y = dot(trans[1].xyz, normal);
-	norm.z = dot(trans[2].xyz, normal);
-	norm = normalize(norm);
-		
-	gl_Position = projection_matrix * pos;
-	
-	float dp_directional_light = max(0.0, dot(norm, light_position[0].xyz));
-	vary_position = pos.xyz + light_position[0].xyz * (1.0-dp_directional_light)*shadow_offset;
-	
-	calcAtmospherics(pos.xyz);
-
-	vec4 col = vec4(0.0, 0.0, 0.0, 1.0);
-
-	// Collect normal lights
-	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].y, light_attenuation[2].z);
-	col.rgb += light_diffuse[3].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[3], light_direction[3], light_attenuation[3].x, light_attenuation[3].y, light_attenuation[3].z);
-	col.rgb += light_diffuse[4].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[4], light_direction[4], light_attenuation[4].x, light_attenuation[4].y, light_attenuation[4].z);
-	col.rgb += light_diffuse[5].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[5], light_direction[5], light_attenuation[5].x, light_attenuation[5].y, light_attenuation[5].z);
-	col.rgb += light_diffuse[6].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[6], light_direction[6], light_attenuation[6].x, light_attenuation[6].y, light_attenuation[6].z);
-	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].y, light_attenuation[7].z);
-	
-	vary_pointlight_col = col.rgb*color.rgb;
-
-	col.rgb = vec3(0,0,0);
-
-	// Add windlight lights
-	col.rgb = atmosAmbient(vec3(0.));
-	
-	vary_ambient = col.rgb*color.rgb;
-	vary_directional = atmosAffectDirectionalLight(max(calcDirectionalLight(norm, light_position[0].xyz), 0.0));
-	
-	col.rgb = col.rgb*color.rgb;
-	
-	vertex_color = col;
-
-	
-	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
-}
-
-
diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 37179c7e14..c20e00163c 100755
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -69,22 +69,43 @@ uniform vec2 screen_res;
 
 uniform mat4 inv_proj;
 
-#ifdef SINGLE_FP_ONLY
-vec2 encode_normal(vec3 n)
+vec3 srgb_to_linear(vec3 cs)
 {
-	vec2 sn;
-	sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f);
-	return sn;
+	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));
+
+#ifdef OLD_SELECT
+	vec3 result;
+	result.r = lte.r ? low_range.r : high_range.r;
+	result.g = lte.g ? low_range.g : high_range.g;
+	result.b = lte.b ? low_range.b : high_range.b;
+    return result;
+#else
+	return mix(high_range, low_range, lte);
+#endif
+
 }
 
-vec3 decode_normal (vec2 enc)
+vec3 linear_to_srgb(vec3 cl)
 {
-	vec3 n;
-	n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f);
-	n.z = sqrt(1.0f - dot(n.xy,n.xy));
-	return n;
-}
+	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));
+
+#ifdef OLD_SELECT
+	vec3 result;
+	result.r = lt.r ? low_range.r : high_range.r;
+	result.g = lt.g ? low_range.g : high_range.g;
+	result.b = lt.b ? low_range.b : high_range.b;
+    return result;
 #else
+	return mix(high_range, low_range, lt);
+#endif
+
+}
+
 vec2 encode_normal(vec3 n)
 {
 	float f = sqrt(8 * n.z + 8);
@@ -101,14 +122,12 @@ vec3 decode_normal (vec2 enc)
     n.z = 1-f/2;
     return n;
 }
-#endif
 
 vec4 correctWithGamma(vec4 col)
 {
-	return vec4(pow(col.rgb, vec3(2.2)), col.a);
+	return vec4(srgb_to_linear(col.rgb), col.a);
 }
 
-
 vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
@@ -315,14 +334,12 @@ void main()
 			vec3 pfinal = pos + ref * dot(pdelta, proj_n)/ds;
 			
 			vec4 stc = (proj_mat * vec4(pfinal.xyz, 1.0));
+			stc /= stc.w;
 
 			if (stc.z > 0.0)
 			{
-				stc.xy /= stc.w;
+				float fatten = clamp(envIntensity*envIntensity+envIntensity*0.25, 0.25, 1.0);
 
-				float fatten = clamp(envIntensity*envIntensity+envIntensity*0.5, 0.25, 1.0);
-				
-				//stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5);
 				stc.xy = (stc.xy - vec2(0.5)) * fatten + vec2(0.5);
 								
 				if (stc.x < 1.0 &&
@@ -330,12 +347,16 @@ void main()
 					stc.x > 0.0 &&
 					stc.y > 0.0)
 				{
-					col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod-envIntensity*proj_lod).rgb*shadow*spec.rgb;										
+					col += color.rgb*texture2DLodSpecular(projectionMap, stc.xy, proj_lod).rgb*shadow*spec.rgb;										
 				}
 			}
 		}
 	}
 	
+
+	//not sure why, but this line prevents MATBUG-194
+	col = max(col, vec3(0.0));
+
 	frag_color.rgb = col;	
 	frag_color.a = 0.0;
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 67bac1f7c2..1022c23f7b 100755
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -78,22 +78,43 @@ vec3 vary_AtmosAttenuation;
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
 
-#ifdef SINGLE_FP_ONLY
-vec2 encode_normal(vec3 n)
+vec3 srgb_to_linear(vec3 cs)
 {
-	vec2 sn;
-	sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f);
-	return sn;
+	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));
+
+#ifdef OLD_SELECT
+	vec3 result;
+	result.r = lte.r ? low_range.r : high_range.r;
+	result.g = lte.g ? low_range.g : high_range.g;
+	result.b = lte.b ? low_range.b : high_range.b;
+    return result;
+#else
+	return mix(high_range, low_range, lte);
+#endif
+
 }
 
-vec3 decode_normal (vec2 enc)
+vec3 linear_to_srgb(vec3 cl)
 {
-	vec3 n;
-	n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f);
-	n.z = sqrt(1.0f - dot(n.xy,n.xy));
-	return n;
-}
+	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));
+
+#ifdef OLD_SELECT
+	vec3 result;
+	result.r = lt.r ? low_range.r : high_range.r;
+	result.g = lt.g ? low_range.g : high_range.g;
+	result.b = lt.b ? low_range.b : high_range.b;
+    return result;
 #else
+	return mix(high_range, low_range, lt);
+#endif
+
+}
+
 vec2 encode_normal(vec3 n)
 {
 	float f = sqrt(8 * n.z + 8);
@@ -110,7 +131,6 @@ vec3 decode_normal (vec2 enc)
     n.z = 1-f/2;
     return n;
 }
-#endif
 
 vec4 getPosition_d(vec2 pos_screen, float depth)
 {
@@ -263,6 +283,52 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 	setAdditiveColor(getAdditiveColor() * vec3(1.0 - temp1));
 }
 
+#ifdef WATER_FOG
+uniform vec4 waterPlane;
+uniform vec4 waterFogColor;
+uniform float waterFogDensity;
+uniform float waterFogKS;
+
+vec4 applyWaterFogDeferred(vec3 pos, vec4 color)
+{
+	//normalize view vector
+	vec3 view = normalize(pos);
+	float es = -(dot(view, waterPlane.xyz));
+
+	//find intersection point with water plane and eye vector
+	
+	//get eye depth
+	float e0 = max(-waterPlane.w, 0.0);
+	
+	vec3 int_v = waterPlane.w > 0.0 ? view * waterPlane.w/es : vec3(0.0, 0.0, 0.0);
+	
+	//get object depth
+	float depth = length(pos - int_v);
+		
+	//get "thickness" of water
+	float l = max(depth, 0.1);
+
+	float kd = waterFogDensity;
+	float ks = waterFogKS;
+	vec4 kc = waterFogColor;
+	
+	float F = 0.98;
+	
+	float t1 = -kd * pow(F, ks * e0);
+	float t2 = kd + ks * es;
+	float t3 = pow(F, t2*l) - 1.0;
+	
+	float L = min(t1/t2*t3, 1.0);
+	
+	float D = pow(0.98, l*kd);
+	
+	color.rgb = color.rgb * D + kc.rgb * L;
+	color.a = kc.a + color.a;
+	
+	return color;
+}
+#endif
+
 vec3 atmosLighting(vec3 light)
 {
 	light *= getAtmosAttenuation().r;
@@ -343,7 +409,7 @@ void main()
 	vec4 diffuse = texture2DRect(diffuseRect, tc);
 
 	//convert to gamma space
-	diffuse.rgb = pow(diffuse.rgb, vec3(1.0/2.2));
+	diffuse.rgb = linear_to_srgb(diffuse.rgb);
 	
 	vec3 col;
 	float bloom = 0.0;
@@ -409,7 +475,13 @@ void main()
 			col = mix(scaleSoftClip(col), fullbrightScaleSoftClip(col), diffuse.a);
 		}
 
-		col = pow(col, vec3(2.2));
+		#ifdef WATER_FOG
+			vec4 fogged = applyWaterFogDeferred(pos,vec4(col, bloom));
+			col = fogged.rgb;
+			bloom = fogged.a;
+		#endif
+
+		col = srgb_to_linear(col);
 
 		//col = vec3(1,0,1);
 		//col.g = envIntensity;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
index 9bdee15541..7689b72d20 100755
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -69,22 +69,6 @@ uniform vec2 screen_res;
 
 uniform mat4 inv_proj;
 
-#ifdef SINGLE_FP_ONLY
-vec2 encode_normal(vec3 n)
-{
-	vec2 sn;
-	sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f);
-	return sn;
-}
-
-vec3 decode_normal (vec2 enc)
-{
-	vec3 n;
-	n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f);
-	n.z = sqrt(1.0f - dot(n.xy,n.xy));
-	return n;
-}
-#else
 vec2 encode_normal(vec3 n)
 {
 	float f = sqrt(8 * n.z + 8);
@@ -101,11 +85,47 @@ vec3 decode_normal (vec2 enc)
     n.z = 1-f/2;
     return n;
 }
+
+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));
+
+#ifdef OLD_SELECT
+	vec3 result;
+	result.r = lte.r ? low_range.r : high_range.r;
+	result.g = lte.g ? low_range.g : high_range.g;
+	result.b = lte.b ? low_range.b : high_range.b;
+    return result;
+#else
+	return mix(high_range, low_range, lte);
+#endif
+
+}
+
+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));
+
+#ifdef OLD_SELECT
+	vec3 result;
+	result.r = lt.r ? low_range.r : high_range.r;
+	result.g = lt.g ? low_range.g : high_range.g;
+	result.b = lt.b ? low_range.b : high_range.b;
+    return result;
+#else
+	return mix(high_range, low_range, lt);
 #endif
 
+}
+
 vec4 correctWithGamma(vec4 col)
 {
-	return vec4(pow(col.rgb, vec3(2.2)), col.a);
+	return vec4(srgb_to_linear(col.rgb), col.a);
 }
 
 vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
@@ -334,6 +354,9 @@ void main()
 		}
 	}
 	
+	//not sure why, but this line prevents MATBUG-194
+	col = max(col, vec3(0.0));
+
 	frag_color.rgb = col;	
 	frag_color.a = 0.0;
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index 7b09dd29dd..95c09d3238 100755
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -65,22 +65,6 @@ uniform float shadow_offset;
 uniform float spot_shadow_bias;
 uniform float spot_shadow_offset;
 
-#ifdef SINGLE_FP_ONLY
-vec2 encode_normal(vec3 n)
-{
-	vec2 sn;
-	sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f);
-	return sn;
-}
-
-vec3 decode_normal (vec2 enc)
-{
-	vec3 n;
-	n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f);
-	n.z = sqrt(1.0f - dot(n.xy,n.xy));
-	return n;
-}
-#else
 vec2 encode_normal(vec3 n)
 {
 	float f = sqrt(8 * n.z + 8);
@@ -97,7 +81,6 @@ vec3 decode_normal (vec2 enc)
     n.z = 1-f/2;
     return n;
 }
-#endif
 
 vec4 getPosition(vec2 pos_screen)
 {
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
index 01e34ed792..b5ff6404ea 100755
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
@@ -66,22 +66,6 @@ uniform float shadow_offset;
 uniform float spot_shadow_bias;
 uniform float spot_shadow_offset;
 
-#ifdef SINGLE_FP_ONLY
-vec2 encode_normal(vec3 n)
-{
-	vec2 sn;
-	sn.xy = (n.xy * vec2(0.5f,0.5f)) + vec2(0.5f,0.5f);
-	return sn;
-}
-
-vec3 decode_normal (vec2 enc)
-{
-	vec3 n;
-	n.xy = (enc.xy * vec2(2.0f,2.0f)) - vec2(1.0f,1.0f);
-	n.z = sqrt(1.0f - dot(n.xy,n.xy));
-	return n;
-}
-#else
 vec2 encode_normal(vec3 n)
 {
 	float f = sqrt(8 * n.z + 8);
@@ -98,7 +82,6 @@ vec3 decode_normal (vec2 enc)
     n.z = 1-f/2;
     return n;
 }
-#endif
 
 vec4 getPosition(vec2 pos_screen)
 {