14 files changed, 622 insertions, 650 deletions

diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index f4b5d88529..ebc4659bcf 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -1370,7 +1370,7 @@ void LLRender::syncMatrices()
 		}
 
 
-		if (shader->mFeatures.hasLighting || shader->mFeatures.calculatesLighting)
+		if (shader->mFeatures.hasLighting || shader->mFeatures.calculatesLighting || shader->mFeatures.calculatesAtmospherics)
 		{ //also sync light state
 			syncLightState();
 		}
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
index 46ec20c8b0..57420158ca 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
@@ -79,8 +79,6 @@ void main()
 	color.rgb = fogged.rgb;
 	color.a   = fogged.a;
 #else
-    color.rgb = fullbrightAtmosTransport(color.rgb);
-	color.rgb = fullbrightScaleSoftClip(color.rgb);
     color.a   = final_alpha;
 #endif
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyF.glsl
index 523e7f9e04..bd0ad3bce8 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyF.glsl
@@ -38,12 +38,20 @@ uniform sampler2D diffuseMap;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 VARYING vec3 vary_texcoord1;
+VARYING vec4 vary_position;
 
 uniform samplerCube environmentMap;
 
 vec3 fullbrightShinyAtmosTransport(vec3 light);
+vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten);
 vec3 fullbrightScaleSoftClip(vec3 light);
 
+void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten, bool use_ao);
+
+vec3 linear_to_srgb(vec3 c);
+vec3 srgb_to_linear(vec3 c);
+
+
 void main()
 {
 #ifdef HAS_DIFFUSE_LOOKUP
@@ -51,21 +59,29 @@ void main()
 #else
 	vec4 color = texture2D(diffuseMap, vary_texcoord0.xy);
 #endif
-
 	
 	color.rgb *= vertex_color.rgb;
+	vec3 pos = vary_position.xyz/vary_position.w;
+
+	vec3 sunlit;
+	vec3 amblit;
+	vec3 additive;
+	vec3 atten;
+
+	calcAtmosphericVars(pos.xyz, vec3(0), 1.0, sunlit, amblit, additive, atten, false);
 	
 	vec3 envColor = textureCube(environmentMap, vary_texcoord1.xyz).rgb;	
-	color.rgb = mix(color.rgb, envColor.rgb, vertex_color.a*0.75); // MAGIC NUMBER SL-12574; ALM: Off, Quality > Low
+	float env_intensity = vertex_color.a;
+	color.rgb = mix(color.rgb, envColor.rgb, env_intensity);
 
-	color.rgb = pow(color.rgb,vec3(2.2f,2.2f,2.2f));
+	//color.rgb = srgb_to_linear(color.rgb);
 	
-	color.rgb = fullbrightShinyAtmosTransport(color.rgb);
+	color.rgb = fullbrightAtmosTransportFrag(color.rgb, additive, atten);
 	color.rgb = fullbrightScaleSoftClip(color.rgb);
 
 	color.a = 1.0;
 
-	color.rgb = pow(color.rgb, vec3(1.0/2.2));
+	//color.rgb = linear_to_srgb(color.rgb);
 
 	frag_color = color;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl
index 34bd8d445a..8f6eb79668 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightShinyV.glsl
@@ -45,7 +45,7 @@ ATTRIBUTE vec2 texcoord0;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 VARYING vec3 vary_texcoord1;
-
+VARYING vec4 vary_position;
 
 void main()
 {
@@ -53,7 +53,7 @@ void main()
 	vec4 vert = vec4(position.xyz,1.0);
 	passTextureIndex();
 	vec4 pos = (modelview_matrix * vert);
-	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
+	vary_position = gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
 	vec3 norm = normalize(normal_matrix * normal);
 	vec3 ref = reflect(pos.xyz, -norm);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
index 4198053c99..4644fe3f2b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -1,471 +1,439 @@
-/**
-* @file materialF.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
-* $/LicenseInfo$
-*/
-
-/*[EXTRA_CODE_HERE]*/
-
-//class1/deferred/materialF.glsl
-
-// This shader is used for both writing opaque/masked content to the gbuffer and writing blended content to the framebuffer during the alpha pass.
-
-#define DIFFUSE_ALPHA_MODE_NONE     0
-#define DIFFUSE_ALPHA_MODE_BLEND    1
-#define DIFFUSE_ALPHA_MODE_MASK     2
-#define DIFFUSE_ALPHA_MODE_EMISSIVE 3
-
-uniform float emissive_brightness;  // fullbright flag, 1.0 == fullbright, 0.0 otherwise
-uniform int sun_up_factor;
-
-#ifdef WATER_FOG
-vec4 applyWaterFogView(vec3 pos, vec4 color);
-#endif
-
-vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
-vec3 scaleSoftClipFrag(vec3 l);
-
-vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten);
-vec3 fullbrightScaleSoftClip(vec3 light);
-
-void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten, bool use_ao);
-
-vec3 srgb_to_linear(vec3 cs);
-vec3 linear_to_srgb(vec3 cs);
-
-#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND)
-
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_color;
-#else
-#define frag_color gl_FragColor
-#endif
-
-#ifdef HAS_SUN_SHADOW
-float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen);
-#endif
-
-uniform samplerCube environmentMap;
-uniform sampler2D     lightFunc;
-
-// Inputs
-uniform vec4 morphFactor;
-uniform vec3 camPosLocal;
-uniform mat3 env_mat;
-
-uniform vec3 sun_dir;
-uniform vec3 moon_dir;
-VARYING vec2 vary_fragcoord;
-
-VARYING vec3 vary_position;
-
-uniform mat4 proj_mat;
-uniform mat4 inv_proj;
-uniform vec2 screen_res;
-
-uniform vec4 light_position[8];
-uniform vec3 light_direction[8];
-uniform vec4 light_attenuation[8];
-uniform vec3 light_diffuse[8];
-
-float getAmbientClamp();
-
-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, float ambiance)
-{
-    vec3 col = vec3(0);
-
-    //get light vector
-    vec3 lv = lp.xyz - v;
-
-    //get distance
-    float dist = length(lv);
-    float da = 1.0;
-
-    dist /= la;
-
-    if (dist > 0.0 && la > 0.0)
-    {
-        //normalize light vector
-        lv = normalize(lv);
-
-        //distance attenuation
-        float dist_atten = clamp(1.0 - (dist - 1.0*(1.0 - fa)) / fa, 0.0, 1.0);
-        dist_atten *= dist_atten;
-        dist_atten *= 2.0f;
-
-        if (dist_atten <= 0.0)
-        {
-            return col;
-        }
-
-        // spotlight coefficient.
-        float spot = max(dot(-ln, lv), is_pointlight);
-        da *= spot*spot; // GL_SPOT_EXPONENT=2
-
-        //angular attenuation
-        da *= dot(n, lv);
-
-        float lit = 0.0f;
-
-        float amb_da = ambiance;
-        if (da >= 0)
-        {
-            lit = max(da * dist_atten, 0.0);
-            col = lit * light_col * diffuse;
-            amb_da += (da*0.5 + 0.5) * ambiance;
-        }
-        amb_da += (da*da*0.5 + 0.5) * ambiance;
-        amb_da *= dist_atten;
-        amb_da = min(amb_da, 1.0f - lit);
-
-        // SL-10969 need to see why these are blown out
-        //col.rgb += amb_da * light_col * 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;
-                speccol = clamp(speccol, vec3(0), vec3(1));
-                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);
-            }
-        }
-    }
-
-    return max(col, vec3(0.0, 0.0, 0.0));
-}
-
-#else
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_data[3];
-#else
-#define frag_data gl_FragData
-#endif
-#endif
-
-uniform sampler2D diffuseMap;  //always in sRGB space
-
-#ifdef HAS_NORMAL_MAP
-uniform sampler2D bumpMap;
-#endif
-
-#ifdef HAS_SPECULAR_MAP
-uniform sampler2D specularMap;
-
-VARYING vec2 vary_texcoord2;
-#endif
-
-uniform float env_intensity;
-uniform vec4 specular_color;  // specular color RGB and specular exponent (glossiness) in alpha
-
-#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_MASK)
-uniform float minimum_alpha;
-#endif
-
-#ifdef HAS_NORMAL_MAP
-VARYING vec3 vary_mat0;
-VARYING vec3 vary_mat1;
-VARYING vec3 vary_mat2;
-VARYING vec2 vary_texcoord1;
-#else
-VARYING vec3 vary_normal;
-#endif
-
-VARYING vec4 vertex_color;
-VARYING vec2 vary_texcoord0;
-
-vec2 encode_normal(vec3 n);
-
-void main()
-{
-    vec2 pos_screen = vary_texcoord0.xy;
-
-    vec4 diffuse_srgb = texture2D(diffuseMap, vary_texcoord0.xy);
-    diffuse_srgb.rgb *= vertex_color.rgb;
-    
-    // For some reason the Transparency slider sets vertex_color.a to 0.0 both for
-    // fully opaque and for fully transparent objects. This code assumes the 0 alpha
-    // is always from the opaque end of the scale. TODO: Remove the conditional once
-    // the root cause of the slider ambiguity is fixed.
-    if (vertex_color.a > 0.0)
-    {
-        diffuse_srgb.a *= vertex_color.a;
-    }
-    vec4 diffuse_linear = vec4(srgb_to_linear(diffuse_srgb.rgb), diffuse_srgb.a);
-
-#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_MASK)
-
-    // Comparing floats cast from 8-bit values, produces acne right at the 8-bit transition points
-    float bias = 0.001953125; // 1/512, or half an 8-bit quantization
-    if (diffuse_linear.a < minimum_alpha-bias)
-    {
-        discard;
-    }
-#endif
-
-#ifdef HAS_SPECULAR_MAP
-    vec4 spec = texture2D(specularMap, vary_texcoord2.xy);
-    spec.rgb *= specular_color.rgb;
-#else
-    vec4 spec = vec4(specular_color.rgb, 1.0);
-#endif
-
-    vec3 norm = vec3(0);
-    float bmap_specular = 1.0;
-
-#ifdef HAS_NORMAL_MAP
-    vec4 bump_sample = texture2D(bumpMap, vary_texcoord1.xy);
-    norm = (bump_sample.xyz * 2) - vec3(1);
-    bmap_specular = bump_sample.w;
-
-    // convert sampled normal to tangent space normal
-    norm = vec3(dot(norm, vary_mat0),
-        dot(norm, vary_mat1),
-        dot(norm, vary_mat2));
-#else
-    norm = vary_normal;
-#endif
-
-    norm = normalize(norm);
-
-    vec2 abnormal = encode_normal(norm);
-
-    vec4 final_color = vec4(diffuse_linear.rgb, 0.0);
-
-#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_EMISSIVE)
-    final_color.a = diffuse_linear.a * 0.5; // SL-12171
-#endif
-
-    final_color.a = max(final_color.a, emissive_brightness);
-
-    // Texture
-    //     [x] Full Bright (emissive_brightness >= 1.0)
-    //     Shininess (specular)
-    //       [X] Texture
-    //       Environment Intensity = 1
-    // NOTE: There are two shaders that are used depending on the EI byte value:
-    //     EI = 0        fullbright
-    //     EI > 0 .. 255 material
-    // When it is passed to us it is normalized.
-    // We can either modify the output environment intensity
-    //   OR
-    // adjust the final color via:
-    //     final_color *= 0.666666;
-    // We don't remap the environment intensity but adjust the final color to closely simulate what non-EEP is doing.
-    vec4 final_normal = vec4(abnormal, env_intensity, 0.0);
-
-    vec3 color = vec3(0.0);
-    float al = 0;
-
-#ifdef HAS_SPECULAR_MAP
-    if (emissive_brightness >= 1.0) // ie, if fullbright
-    {
-        float ei = env_intensity*0.5 + 0.5;
-        final_normal = vec4(abnormal, ei, 0.0);
-    }
-#endif
-
-    vec4 final_specular = spec;
-
-    final_specular.a = specular_color.a;
-
-#ifdef HAS_SPECULAR_MAP
-    final_specular.a *= bmap_specular;
-    final_normal.z *= spec.a;
-#endif
-
-
-#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND)
-
-    //forward rendering, output just lit sRGBA
-    vec3 pos = vary_position;
-
-    float shadow = 1.0f;
-
-#ifdef HAS_SUN_SHADOW
-    shadow = sampleDirectionalShadow(pos.xyz, norm, pos_screen);
-#endif
-
-    spec = final_specular;
-
-    float envIntensity = final_normal.z;
-
-    vec3 light_dir = (sun_up_factor == 1) ? sun_dir : moon_dir;
-
-    float bloom = 0.0;
-    vec3 sunlit;
-    vec3 amblit;
-    vec3 additive;
-    vec3 atten;
-
-    calcAtmosphericVars(pos.xyz, light_dir, 1.0, sunlit, amblit, additive, atten, false);
-    
-    if (emissive_brightness >= 1.0)	// fullbright, skip lighting calculations
-    {
-        color = fullbrightAtmosTransportFrag(diffuse_srgb.rgb, additive, atten);
-        // This call breaks the Mac GLSL compiler/linker for unknown reasons (17Mar2020)
-        // The call is either a no-op or a pure (pow) gamma adjustment, depending on GPU level
-        // TODO: determine if we want to re-apply the gamma adjustment, and if so understand & fix Mac breakage
-        //color = fullbrightScaleSoftClip(color);
-
-        al = diffuse_srgb.a;
-    }
-    else // not fullbright, calculate lighting
-    {
-        vec3 refnormpersp = normalize(reflect(pos.xyz, norm));
-
-        //we're in sRGB space, so gamma correct this dot product so 
-        // lighting from the sun stays sharp
-        float da = clamp(dot(normalize(norm.xyz), light_dir.xyz), 0.0, 1.0);
-        da = pow(da, 1.0 / 1.3);
-
-        //darken ambient for normals perpendicular to light vector so surfaces in shadow 
-        // and facing away from light still have some definition to them.
-        // do NOT gamma correct this dot product so ambient lighting stays soft
-        float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0);
-        ambient *= 0.5;
-        ambient *= ambient;
-        ambient = (1.0 - ambient);
-
-        vec3 sun_contrib = min(da, shadow) * sunlit;
-
-#if !defined(AMBIENT_KILL)
-        color = amblit;
-        color *= ambient;
-#endif
-
-#if !defined(SUNLIGHT_KILL)
-        color += sun_contrib;
-#endif
-        color *= diffuse_srgb.rgb;
-
-        float glare = 0.0;
-
-        if (spec.a > 0.0) // specular reflection
-        {
-            vec3 npos = -normalize(pos.xyz);
-
-            //vec3 ref = dot(pos+lv, norm);
-            vec3 h = normalize(light_dir.xyz + npos);
-            float nh = dot(norm, h);
-            float nv = dot(norm, 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 sp = sun_contrib*scol / 6.0f;
-                sp = clamp(sp, vec3(0), vec3(1));
-                bloom = dot(sp, sp) / 4.0;
-#if !defined(SUNLIGHT_KILL)
-                color += sp * spec.rgb;
-#endif
-            }
-        }
-
-        if (envIntensity > 0.0)
-        {
-            //add environmentmap
-            vec3 env_vec = env_mat * refnormpersp;
-
-            vec3 reflected_color = textureCube(environmentMap, env_vec).rgb;
-
-#if !defined(SUNLIGHT_KILL)
-            color = mix(color, reflected_color, envIntensity);
-#endif
-            float cur_glare = max(reflected_color.r, reflected_color.g);
-            cur_glare = max(cur_glare, reflected_color.b);
-            cur_glare *= envIntensity*4.0;
-            glare += cur_glare;
-        }
-
-        color = atmosFragLighting(color, additive, atten);
-        color = scaleSoftClipFrag(color);
-
-        vec3 npos = normalize(-pos.xyz);
-
-        vec3 light = vec3(0, 0, 0);
-
-        //convert to linear before adding local lights
-        color = srgb_to_linear(color);
-
-#define LIGHT_LOOP(i) light.rgb += calcPointLightOrSpotLight(light_diffuse[i].rgb, npos, diffuse_linear.rgb, final_specular, pos.xyz, norm, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z, glare, light_attenuation[i].w );
-
-        LIGHT_LOOP(1)
-            LIGHT_LOOP(2)
-            LIGHT_LOOP(3)
-            LIGHT_LOOP(4)
-            LIGHT_LOOP(5)
-            LIGHT_LOOP(6)
-            LIGHT_LOOP(7)
-
-            glare = min(glare, 1.0);
-        al = max(diffuse_linear.a, glare)*vertex_color.a;
-
-#if !defined(LOCAL_LIGHT_KILL)
-        color += light;
-#endif
-
-        //convert to srgb as this color is being written post gamma correction
-        color = linear_to_srgb(color);
-    }
-
-#ifdef WATER_FOG
-    vec4 temp = applyWaterFogView(pos, vec4(color, al));
-    color = temp.rgb;
-    al = temp.a;
-#endif
-
-    // Don't allow alpha to exceed input value - SL-12592
-    frag_color = vec4(color, min(al, diffuse_srgb.a));
-
-#else // mode is not DIFFUSE_ALPHA_MODE_BLEND, encode to gbuffer 
-
-    // deferred path
-    frag_data[0] = vec4(linear_to_srgb(final_color.rgb), final_color.a); //gbuffer is sRGB
-    frag_data[1] = final_specular; // XYZ = Specular color. W = Specular exponent.
-    frag_data[2] = final_normal; // XY = Normal.  Z = Env. intensity.
-#endif
-}
-
+/**

+* @file materialF.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

+* $/LicenseInfo$

+*/

+

+/*[EXTRA_CODE_HERE]*/

+

+//class1/deferred/materialF.glsl

+

+// This shader is used for both writing opaque/masked content to the gbuffer and writing blended content to the framebuffer during the alpha pass.

+

+#define DIFFUSE_ALPHA_MODE_NONE     0

+#define DIFFUSE_ALPHA_MODE_BLEND    1

+#define DIFFUSE_ALPHA_MODE_MASK     2

+#define DIFFUSE_ALPHA_MODE_EMISSIVE 3

+

+uniform float emissive_brightness;  // fullbright flag, 1.0 == fullbright, 0.0 otherwise

+uniform int sun_up_factor;

+

+#ifdef WATER_FOG

+vec4 applyWaterFogView(vec3 pos, vec4 color);

+#endif

+

+vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);

+vec3 scaleSoftClipFrag(vec3 l);

+

+vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten);

+vec3 fullbrightScaleSoftClip(vec3 light);

+

+void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten, bool use_ao);

+

+vec3 srgb_to_linear(vec3 cs);

+vec3 linear_to_srgb(vec3 cs);

+

+#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND)

+

+#ifdef DEFINE_GL_FRAGCOLOR

+out vec4 frag_color;

+#else

+#define frag_color gl_FragColor

+#endif

+

+#ifdef HAS_SUN_SHADOW

+float sampleDirectionalShadow(vec3 pos, vec3 norm, vec2 pos_screen);

+#endif

+

+uniform samplerCube environmentMap;

+uniform sampler2D     lightFunc;

+

+// Inputs

+uniform vec4 morphFactor;

+uniform vec3 camPosLocal;

+uniform mat3 env_mat;

+

+uniform vec3 sun_dir;

+uniform vec3 moon_dir;

+VARYING vec2 vary_fragcoord;

+

+VARYING vec3 vary_position;

+

+uniform mat4 proj_mat;

+uniform mat4 inv_proj;

+uniform vec2 screen_res;

+

+uniform vec4 light_position[8];

+uniform vec3 light_direction[8];

+uniform vec4 light_attenuation[8];

+uniform vec3 light_diffuse[8];

+

+float getAmbientClamp();

+

+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, float ambiance)

+{

+    vec3 col = vec3(0);

+

+    //get light vector

+    vec3 lv = lp.xyz - v;

+

+    //get distance

+    float dist = length(lv);

+    float da = 1.0;

+

+    dist /= la;

+

+    if (dist > 0.0 && la > 0.0)

+    {

+        //normalize light vector

+        lv = normalize(lv);

+

+        //distance attenuation

+        float dist_atten = clamp(1.0 - (dist - 1.0*(1.0 - fa)) / fa, 0.0, 1.0);

+        dist_atten *= dist_atten;

+        dist_atten *= 2.0f;

+

+        if (dist_atten <= 0.0)

+        {

+            return col;

+        }

+

+        // spotlight coefficient.

+        float spot = max(dot(-ln, lv), is_pointlight);

+        da *= spot*spot; // GL_SPOT_EXPONENT=2

+

+        //angular attenuation

+        da *= dot(n, lv);

+

+        float lit = 0.0f;

+

+        float amb_da = ambiance;

+        if (da >= 0)

+        {

+            lit = max(da * dist_atten, 0.0);

+            col = lit * light_col * diffuse;

+            amb_da += (da*0.5 + 0.5) * ambiance;

+        }

+        amb_da += (da*da*0.5 + 0.5) * ambiance;

+        amb_da *= dist_atten;

+        amb_da = min(amb_da, 1.0f - lit);

+

+        // SL-10969 need to see why these are blown out

+        //col.rgb += amb_da * light_col * 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;

+                speccol = clamp(speccol, vec3(0), vec3(1));

+                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);

+            }

+        }

+    }

+

+    return max(col, vec3(0.0, 0.0, 0.0));

+}

+

+#else

+#ifdef DEFINE_GL_FRAGCOLOR

+out vec4 frag_data[3];

+#else

+#define frag_data gl_FragData

+#endif

+#endif

+

+uniform sampler2D diffuseMap;  //always in sRGB space

+

+#ifdef HAS_NORMAL_MAP

+uniform sampler2D bumpMap;

+#endif

+

+#ifdef HAS_SPECULAR_MAP

+uniform sampler2D specularMap;

+

+VARYING vec2 vary_texcoord2;

+#endif

+

+uniform float env_intensity;

+uniform vec4 specular_color;  // specular color RGB and specular exponent (glossiness) in alpha

+

+#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_MASK)

+uniform float minimum_alpha;

+#endif

+

+#ifdef HAS_NORMAL_MAP

+VARYING vec3 vary_mat0;

+VARYING vec3 vary_mat1;

+VARYING vec3 vary_mat2;

+VARYING vec2 vary_texcoord1;

+#else

+VARYING vec3 vary_normal;

+#endif

+

+VARYING vec4 vertex_color;

+VARYING vec2 vary_texcoord0;

+

+vec2 encode_normal(vec3 n);

+

+void main()

+{

+    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)

+

+    // Comparing floats cast from 8-bit values, produces acne right at the 8-bit transition points

+    float bias = 0.001953125; // 1/512, or half an 8-bit quantization

+    if (diffuse_linear.a < minimum_alpha-bias)

+    {

+        discard;

+    }

+#endif

+

+#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND)

+	vec3 gamma_diff = diffcol.rgb;

+	diffcol.rgb = srgb_to_linear(diffcol.rgb);

+#endif

+

+#if HAS_SPECULAR_MAP != 0

+    vec4 spec = texture2D(specularMap, vary_texcoord2.xy);

+    spec.rgb *= specular_color.rgb;

+#else

+    vec4 spec = vec4(specular_color.rgb, 1.0);

+#endif

+

+#if HAS_NORMAL_MAP

+	vec4 norm = texture2D(bumpMap, vary_texcoord1.xy);

+

+	norm.xyz = norm.xyz * 2 - 1;

+

+	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;

+#endif

+

+    norm.xyz = normalize(tnorm.xyz);

+

+    vec2 abnormal = encode_normal(norm.xyz);

+

+    vec4 final_color = diffcol;

+

+#if (DIFFUSE_ALPHA_MODE != DIFFUSE_ALPHA_MODE_EMISSIVE)

+	final_color.a = emissive_brightness;

+#else

+	final_color.a = max(final_color.a, emissive_brightness);

+#endif

+

+    vec4 final_specular = spec;

+    

+#if HAS_SPECULAR_MAP != 0

+    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;

+#endif

+

+#if (DIFFUSE_ALPHA_MODE == DIFFUSE_ALPHA_MODE_BLEND)

+

+    //forward rendering, output just lit sRGBA

+    vec3 pos = vary_position;

+

+    float shadow = 1.0f;

+

+#ifdef HAS_SUN_SHADOW

+    shadow = sampleDirectionalShadow(pos.xyz, norm.xyz, pos_screen);

+#endif

+

+    spec = final_specular;

+    vec4 diffuse = final_color;

+    float envIntensity = final_normal.z;

+

+    vec3 color = vec3(0,0,0);

+

+    vec3 light_dir = (sun_up_factor == 1) ? sun_dir : moon_dir;

+

+    float bloom = 0.0;

+    vec3 sunlit;

+    vec3 amblit;

+    vec3 additive;

+    vec3 atten;

+

+    calcAtmosphericVars(pos.xyz, light_dir, 1.0, sunlit, amblit, additive, atten, false);

+    

+        // This call breaks the Mac GLSL compiler/linker for unknown reasons (17Mar2020)

+        // The call is either a no-op or a pure (pow) gamma adjustment, depending on GPU level

+        // TODO: determine if we want to re-apply the gamma adjustment, and if so understand & fix Mac breakage

+        //color = fullbrightScaleSoftClip(color);

+

+    vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));

+

+    //we're in sRGB space, so gamma correct this dot product so 

+    // lighting from the sun stays sharp

+    float da = clamp(dot(normalize(norm.xyz), light_dir.xyz), 0.0, 1.0);

+    da = pow(da, 1.0 / 1.3);

+

+    color = amblit;

+

+    //darken ambient for normals perpendicular to light vector so surfaces in shadow 

+    // and facing away from light still have some definition to them.

+    // do NOT gamma correct this dot product so ambient lighting stays soft

+    float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0);

+    ambient *= 0.5;

+    ambient *= ambient;

+    ambient = (1.0 - ambient);

+

+    vec3 sun_contrib = min(da, shadow) * sunlit;

+    

+    color *= ambient;

+

+    color += sun_contrib;

+

+    color *= gamma_diff.rgb;

+

+    float glare = 0.0;

+

+    if (spec.a > 0.0) // specular reflection

+    {

+#if 1 //EEP

+

+        vec3 npos = -normalize(pos.xyz);

+

+        //vec3 ref = dot(pos+lv, norm);

+        vec3 h = normalize(light_dir.xyz + npos);

+        float nh = dot(norm.xyz, h);

+        float nv = dot(norm.xyz, 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 sp = sun_contrib*scol / 6.0f;

+            sp = clamp(sp, vec3(0), vec3(1));

+            bloom = dot(sp, sp) / 4.0;

+            color += sp * spec.rgb;

+        }

+#else // PRODUCTION

+        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);

+

+		color += spec_contrib;

+#endif

+    }

+

+    color = mix(color.rgb, diffcol.rgb, diffuse.a);

+    

+    if (envIntensity > 0.0)

+    {

+        //add environmentmap

+        vec3 env_vec = env_mat * refnormpersp;

+

+        vec3 reflected_color = textureCube(environmentMap, env_vec).rgb;

+

+        color = mix(color, reflected_color, envIntensity);

+

+        float cur_glare = max(reflected_color.r, reflected_color.g);

+        cur_glare = max(cur_glare, reflected_color.b);

+        cur_glare *= envIntensity*4.0;

+        glare += cur_glare;

+    }

+

+    color = atmosFragLighting(color, additive, atten);

+    color = scaleSoftClipFrag(color);

+

+    //convert to linear before adding local lights

+    color = srgb_to_linear(color);

+

+    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_attenuation[i].w );

+

+    LIGHT_LOOP(1)

+        LIGHT_LOOP(2)

+        LIGHT_LOOP(3)

+        LIGHT_LOOP(4)

+        LIGHT_LOOP(5)

+        LIGHT_LOOP(6)

+        LIGHT_LOOP(7)

+

+    color += light;

+

+    glare = min(glare, 1.0);

+    float al = max(diffcol.a, glare)*vertex_color.a;

+

+    //convert to srgb as this color is being written post gamma correction

+    color = linear_to_srgb(color);

+

+#ifdef WATER_FOG

+    vec4 temp = applyWaterFogView(pos, vec4(color, al));

+    color = temp.rgb;

+    al = temp.a;

+#endif

+

+    frag_color = vec4(color, al);

+

+#else // mode is not DIFFUSE_ALPHA_MODE_BLEND, encode to gbuffer 

+

+    // deferred path

+    frag_data[0] = final_color; //gbuffer is sRGB

+    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/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index 20ac78947b..5b94baf7e6 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -63,6 +63,8 @@ void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, ou
 float getAmbientClamp();
 vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
 vec3 scaleSoftClipFrag(vec3 l);
+vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten);
+vec3 fullbrightScaleSoftClip(vec3 light);
 
 vec3 linear_to_srgb(vec3 c);
 vec3 srgb_to_linear(vec3 c);
@@ -81,11 +83,13 @@ void main()
     norm.xyz = getNorm(tc);
     
     vec3 light_dir = (sun_up_factor == 1) ? sun_dir : moon_dir;
-    float da = clamp(dot(normalize(norm.xyz), light_dir.xyz), 0.0, 1.0);
-    da = pow(da, 1.0/1.3);
+    float da = clamp(dot(norm.xyz, light_dir.xyz), 0.0, 1.0);
+    //da = pow(da, 1.0/1.3);
+    
+    vec4 diffuse = texture2DRect(diffuseRect, tc);
 
-    vec4 diffuse_srgb = texture2DRect(diffuseRect, tc);
-    vec4 diffuse_linear = vec4(srgb_to_linear(diffuse_srgb.rgb), diffuse_srgb.a);
+    //convert to gamma space
+    //diffuse.rgb = linear_to_srgb(diffuse.rgb);
 
     vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
     vec3 color = vec3(0);
@@ -100,34 +104,27 @@ void main()
     
         calcAtmosphericVars(pos.xyz, light_dir, ambocc, sunlit, amblit, additive, atten, false);
 
+        color.rgb = amblit;
+
         float ambient = min(abs(dot(norm.xyz, sun_dir.xyz)), 1.0);
         ambient *= 0.5;
         ambient *= ambient;
         ambient = (1.0 - ambient);
 
-        vec3 sun_contrib = da * sunlit;
-
-#if !defined(AMBIENT_KILL)
-        color.rgb = amblit;
         color.rgb *= ambient;
-#endif
 
-vec3 post_ambient = color.rgb;
+        vec3 sun_contrib = da * sunlit;
 
-#if !defined(SUNLIGHT_KILL)
         color.rgb += sun_contrib;
-#endif
-
-vec3 post_sunlight = color.rgb;
 
-        color.rgb *= diffuse_srgb.rgb;
-
-vec3 post_diffuse = color.rgb;
+        color.rgb *= diffuse.rgb;
 
         vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
 
         if (spec.a > 0.0) // specular reflection
         {
+
+#if 1 //EEP
             vec3 npos = -normalize(pos.xyz);
 
             //vec3 ref = dot(pos+lv, norm);
@@ -140,71 +137,55 @@ vec3 post_diffuse = color.rgb;
 
             float gtdenom = 2 * nh;
             float gt = max(0, min(gtdenom * nv / vh, gtdenom * da / vh));
-                                    
+            
             if (nh > 0.0)
             {
                 float scontrib = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
                 vec3 sp = sun_contrib*scontrib / 6.0;
                 sp = clamp(sp, vec3(0), vec3(1));
                 bloom += dot(sp, sp) / 4.0;
-#if !defined(SUNLIGHT_KILL)
                 color += sp * spec.rgb;
-#endif
             }
+#else //PRODUCTION
+            float sa = dot(refnormpersp, light_dir.xyz);
+            vec3 dumbshiny = sunlit*(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;
+            color.rgb += spec_contrib;
+#endif
+
         }
        
- vec3 post_spec = color.rgb;
+       color.rgb = mix(color.rgb, diffuse.rgb, diffuse.a);
 
         if (envIntensity > 0.0)
         { //add environmentmap
             vec3 env_vec = env_mat * refnormpersp;
             vec3 reflected_color = textureCube(environmentMap, env_vec).rgb;
-#if !defined(SUNLIGHT_KILL)
-            color = mix(color.rgb, reflected_color, envIntensity*0.75); // MAGIC NUMBER SL-12574; ALM: On, Quality <= Mid+
-#endif
+            color = mix(color.rgb, reflected_color, envIntensity);
         }
-        else
-        {
-            color.rgb = mix(color.rgb, diffuse_srgb.rgb, diffuse_srgb.a);
-        }
-
-vec3 post_env = color.rgb;
-
-        if (norm.w < 1)
+       
+        if (norm.w < 0.5)
         {
-#if !defined(SUNLIGHT_KILL)
-            color = atmosFragLighting(color, additive, atten);
-            color = scaleSoftClipFrag(color);
-#endif
+            color = mix(atmosFragLighting(color, additive, atten), fullbrightAtmosTransportFrag(color, additive, atten), diffuse.a);
+            color = mix(scaleSoftClipFrag(color), fullbrightScaleSoftClip(color), diffuse.a);
         }
 
-vec3 post_atmo = color.rgb;
-
         #ifdef WATER_FOG
             vec4 fogged = applyWaterFogView(pos.xyz,vec4(color, bloom));
             color = fogged.rgb;
             bloom = fogged.a;
         #endif
 
-// srgb colorspace debuggables
-//color.rgb = amblit;
-//color.rgb = sunlit;
-//color.rgb = post_ambient;
-//color.rgb = sun_contrib;
-//color.rgb = post_sunlight;
-//color.rgb = diffuse_srgb.rgb;
-//color.rgb = post_diffuse;
-//color.rgb = post_spec;
-//color.rgb = post_env;
-//color.rgb = post_atmo;
-
     }
 
 // linear debuggables
 //color.rgb = vec3(final_da);
 //color.rgb = vec3(ambient);
 //color.rgb = vec3(scol);
-//color.rgb = diffuse_linear.rgb;
+//color.rgb = diffuse_srgb.rgb;
 
     // convert to linear as fullscreen lights need to sum in linear colorspace
     // and will be gamma (re)corrected downstream...
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index b86867c460..ceb4b8033d 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
@@ -164,14 +164,15 @@ void main()
 	
 	color.rgb += spec * specular;
 
-	//color.rgb = atmosTransport(color.rgb);
+	color.rgb = atmosTransport(color.rgb);
 	color.rgb = scaleSoftClip(color.rgb);
     
 	color.a   = spec * sunAngle2;
     
 	vec3 screenspacewavef = normalize((norm_mat*vec4(wavef, 1.0)).xyz);
 
-	frag_data[0] = vec4(color.rgb, color); // diffuse
-	frag_data[1] = vec4(0);		// speccolor, spec
-	frag_data[2] = vec4(encode_normal(screenspacewavef.xyz*0.5+0.5), 0.0, 0);// normalxy, 0, 0
+	//frag_data[0] = color;
+    frag_data[0] = color;
+    frag_data[1] = vec4(0);		// speccolor, spec
+	frag_data[2] = vec4(encode_normal(screenspacewavef.xyz), 0.05, 0);// normalxy, 0, 0
 }
diff --git a/indra/newview/app_settings/shaders/class1/environment/terrainWaterF.glsl b/indra/newview/app_settings/shaders/class1/environment/terrainWaterF.glsl
index bbfec3b532..e53bb46177 100644
--- a/indra/newview/app_settings/shaders/class1/environment/terrainWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/terrainWaterF.glsl
@@ -39,6 +39,8 @@ uniform sampler2D detail_2;
 uniform sampler2D detail_3;
 uniform sampler2D alpha_ramp;
 
+vec3 atmosLighting(vec3 light);
+
 vec4 applyWaterFog(vec4 color);
 
 void main()
@@ -55,10 +57,10 @@ void main()
 	float alpha2 = texture2D(alpha_ramp,vary_texcoord1.xy).a;
 	float alphaFinal = texture2D(alpha_ramp, vary_texcoord1.zw).a;
 	vec4 outColor = mix( mix(color3, color2, alpha2), mix(color1, color0, alpha1), alphaFinal );
-
-    outColor.rgb *= vertex_color.rgb;	
+	
+	/// Add WL Components
+	outColor.rgb = atmosLighting(outColor.rgb * vertex_color.rgb);
+	
 	outColor = applyWaterFog(outColor);
-
 	frag_color = outColor;
 }
-
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
index b3ae64bd82..d1e6c7da1a 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
@@ -1,5 +1,5 @@
 /** 
- * @file class1/environment/waterF.glsl
+ * @file waterF.glsl
  *
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -32,7 +32,7 @@ out vec4 frag_color;
 vec3 scaleSoftClip(vec3 inColor);
 vec3 atmosTransport(vec3 inColor);
 
-uniform sampler2D bumpMap;   
+uniform sampler2D bumpMap;
 uniform sampler2D bumpMap2;
 uniform float     blend_factor;
 uniform sampler2D screenTex;
@@ -50,7 +50,7 @@ uniform vec3 normScale;
 uniform float fresnelScale;
 uniform float fresnelOffset;
 uniform float blurMultiplier;
-uniform int water_edge;
+
 
 //bigWave is (refCoord.w, view.w);
 VARYING vec4 refCoord;
@@ -59,27 +59,27 @@ VARYING vec4 view;
 
 vec3 BlendNormal(vec3 bump1, vec3 bump2)
 {
-    //vec3 normal   = bump1.xyz * vec3( 2.0,  2.0, 2.0) - vec3(1.0, 1.0,  0.0);
-    //vec3 normal2  = bump2.xyz * vec3(-2.0, -2.0, 2.0) + vec3(1.0, 1.0, -1.0);
-    //vec3 n        = normalize(normal * dot(normal, normal2) - (normal2 * normal.z));
-    vec3 n = normalize(mix(bump1, bump2, blend_factor));
+    vec3 n = mix(bump1, bump2, blend_factor);
     return n;
 }
 
+
 void main() 
 {
-    vec4 color;
-    
-    float dist = length(view.xy);
-    
-    //normalize view vector
-    vec3 viewVec = normalize(view.xyz);
-    
-    //get wave normals
+	vec4 color;
+	
+	float dist = length(view.xy);
+	
+	//normalize view vector
+	vec3 viewVec = normalize(view.xyz);
+	
+	//get wave normals
+	//get wave normals
     vec3 wave1_a = texture2D(bumpMap, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
     vec3 wave2_a = texture2D(bumpMap, littleWave.xy).xyz*2.0-1.0;
     vec3 wave3_a = texture2D(bumpMap, littleWave.zw).xyz*2.0-1.0;
 
+
     vec3 wave1_b = texture2D(bumpMap2, vec2(refCoord.w, view.w)).xyz*2.0-1.0;
     vec3 wave2_b = texture2D(bumpMap2, littleWave.xy).xyz*2.0-1.0;
     vec3 wave3_b = texture2D(bumpMap2, littleWave.zw).xyz*2.0-1.0;
@@ -88,80 +88,81 @@ void main()
     vec3 wave2 = BlendNormal(wave2_a, wave2_b);
     vec3 wave3 = BlendNormal(wave3_a, wave3_b);
 
-    //get base fresnel components   
-    
-    vec3 df = vec3(
-                    dot(viewVec, wave1),
-                    dot(viewVec, (wave2 + wave3) * 0.5),
-                    dot(viewVec, wave3)
-                 ) * fresnelScale + fresnelOffset;
-    df *= df;
-            
-    vec2 distort = (refCoord.xy/refCoord.z) * 0.5 + 0.5;
-    
-    float dist2 = dist;
-    dist = max(dist, 5.0);
-    
-    float dmod = sqrt(dist);
-    
-    vec2 dmod_scale = vec2(dmod*dmod, dmod);
-    
-    //get reflected color
-    vec2 refdistort1 = wave1.xy*normScale.x;
-    vec2 refvec1 = distort+refdistort1/dmod_scale;
-    vec4 refcol1 = texture2D(refTex, refvec1);
-    
-    vec2 refdistort2 = wave2.xy*normScale.y;
-    vec2 refvec2 = distort+refdistort2/dmod_scale;
-    vec4 refcol2 = texture2D(refTex, refvec2);
-    
-    vec2 refdistort3 = wave3.xy*normScale.z;
-    vec2 refvec3 = distort+refdistort3/dmod_scale;
-    vec4 refcol3 = texture2D(refTex, refvec3);
-
-    vec4 refcol = refcol1 + refcol2 + refcol3;
-    float df1 = df.x + df.y + df.z;
-    df1 *= 0.666666f;
-    refcol *= df1;
-    
-    vec3 wavef = (wave1 + wave2 * 0.4 + wave3 * 0.6) * 0.5;
-    
-    wavef.z *= max(-viewVec.z, 0.1);
-    wavef = normalize(wavef);
-    
-    float df2 = dot(viewVec, wavef) * fresnelScale+fresnelOffset;
-    
-    vec2 refdistort4 = wavef.xy*0.125;
-    refdistort4.y -= abs(refdistort4.y);
-    vec2 refvec4 = distort+refdistort4/dmod;
-    float dweight = min(dist2*blurMultiplier, 1.0);
-    vec4 baseCol = texture2D(refTex, refvec4);
-    refcol = mix(baseCol*df2, refcol, dweight);
-
-    //get specular component
-    float spec = clamp(dot(lightDir, (reflect(viewVec,wavef))),0.0,1.0);
-        
-    //harden specular
-    spec = pow(spec, 128.0);
-
-    //figure out distortion vector (ripply)   
-    vec2 distort2 = distort+wavef.xy*refScale*0.16/max(dmod*df1, 1.0);
-        
-    vec4 fb = texture2D(screenTex, distort2);
-    
-    //mix with reflection
-    // Note we actually want to use just df1, but multiplying by 0.999999 gets around and nvidia compiler bug
-    color.rgb = mix(fb.rgb, refcol.rgb, df1 * 0.9999999);
-    color.rgb += spec * specular;
-
-    color.a = spec * sunAngle2;
-
-    //color.rgb = atmosTransport(color.rgb);
+
+	//get base fresnel components	
+	
+	vec3 df = vec3(
+					dot(viewVec, wave1),
+					dot(viewVec, (wave2 + wave3) * 0.5),
+					dot(viewVec, wave3)
+				 ) * fresnelScale + fresnelOffset;
+	df *= df;
+		    
+	vec2 distort = (refCoord.xy/refCoord.z) * 0.5 + 0.5;
+	
+	float dist2 = dist;
+	dist = max(dist, 5.0);
+	
+	float dmod = sqrt(dist);
+	
+	vec2 dmod_scale = vec2(dmod*dmod, dmod);
+	
+	//get reflected color
+	vec2 refdistort1 = wave1.xy*normScale.x;
+	vec2 refvec1 = distort+refdistort1/dmod_scale;
+	vec4 refcol1 = texture2D(refTex, refvec1);
+	
+	vec2 refdistort2 = wave2.xy*normScale.y;
+	vec2 refvec2 = distort+refdistort2/dmod_scale;
+	vec4 refcol2 = texture2D(refTex, refvec2);
+	
+	vec2 refdistort3 = wave3.xy*normScale.z;
+	vec2 refvec3 = distort+refdistort3/dmod_scale;
+	vec4 refcol3 = texture2D(refTex, refvec3);
+
+	vec4 refcol = refcol1 + refcol2 + refcol3;
+	float df1 = df.x + df.y + df.z;
+	refcol *= df1 * 0.333;
+	
+	vec3 wavef = (wave1 + wave2 * 0.4 + wave3 * 0.6) * 0.5;
+	
+	wavef.z *= max(-viewVec.z, 0.1);
+	wavef = normalize(wavef);
+	
+	float df2 = dot(viewVec, wavef) * fresnelScale+fresnelOffset;
+	
+	vec2 refdistort4 = wavef.xy*0.125;
+	refdistort4.y -= abs(refdistort4.y);
+	vec2 refvec4 = distort+refdistort4/dmod;
+	float dweight = min(dist2*blurMultiplier, 1.0);
+	vec4 baseCol = texture2D(refTex, refvec4);
+	refcol = mix(baseCol*df2, refcol, dweight);
+
+	//get specular component
+	float spec = clamp(dot(lightDir, (reflect(viewVec,wavef))),0.0,1.0);
+		
+	//harden specular
+	spec = pow(spec, 128.0);
+
+	//figure out distortion vector (ripply)   
+	vec2 distort2 = distort+wavef.xy*refScale/max(dmod*df1, 1.0);
+		
+	vec4 fb = texture2D(screenTex, distort2);
+	
+	//mix with reflection
+	// Note we actually want to use just df1, but multiplying by 0.999999 gets around and nvidia compiler bug
+	color.rgb = mix(fb.rgb, refcol.rgb, df1 * 0.99999);
+	color.rgb += spec * specular;
+	
+	color.rgb = atmosTransport(color.rgb);
 	color.rgb = scaleSoftClip(color.rgb);
+	color.a = spec * sunAngle2;
+	
+	frag_color = color;
 
 #if defined(WATER_EDGE)
     gl_FragDepth = 0.9999847f;
 #endif
-
-    frag_color = color;
+	
 }
+
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 9c7a4df767..0658b3ede5 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -63,6 +63,8 @@ void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, ou
 float getAmbientClamp();
 vec3 atmosFragLighting(vec3 l, vec3 additive, vec3 atten);
 vec3 scaleSoftClipFrag(vec3 l);
+vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten);
+vec3 fullbrightScaleSoftClip(vec3 light);
 
 vec3 linear_to_srgb(vec3 c);
 vec3 srgb_to_linear(vec3 c);
@@ -162,6 +164,8 @@ vec3 post_diffuse = color.rgb;
        
  vec3 post_spec = color.rgb;
 
+        color.rgb = mix(color.rgb, diffuse_srgb.rgb, diffuse_srgb.a);
+
         if (envIntensity > 0.0)
         { //add environmentmap
             vec3 env_vec = env_mat * refnormpersp;
@@ -170,19 +174,15 @@ vec3 post_diffuse = color.rgb;
             color = mix(color.rgb, reflected_color, envIntensity*0.75); // MAGIC NUMBER SL-12574; ALM: On, Quality >= High
 #endif
         }
-        else
-        {
-            color.rgb = mix(color.rgb, diffuse_srgb.rgb, diffuse_srgb.a);
-        }
 
 vec3 post_env = color.rgb;
 
-        if (norm.w < 1)
+        if (norm.w < 0.5)
         {
 #if !defined(SUNLIGHT_KILL)
             vec3 p = normalize(pos.xyz);
-            color = atmosFragLighting(color, additive, atten);
-            color = scaleSoftClipFrag(color);
+            color = mix(atmosFragLighting(color, additive, atten), fullbrightAtmosTransportFrag(color, additive, atten), diffuse_srgb.a);
+            color = mix(scaleSoftClipFrag(color), fullbrightScaleSoftClip(color), diffuse_srgb.a);
 #endif
         }
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl
index a4bd0d566b..4c418e414f 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsV.glsl
@@ -24,6 +24,12 @@
  */
 
 // VARYING param funcs
+
+
+uniform vec3 sun_dir;
+uniform vec3 moon_dir;
+uniform int sun_up_factor;
+
 void setSunlitColor(vec3 v);
 void setAmblitColor(vec3 v);
 void setAdditiveColor(vec3 v);
@@ -35,17 +41,16 @@ vec3 getAdditiveColor();
 void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten, bool use_ao);
 
 void calcAtmospherics(vec3 inPositionEye) {
-
     vec3 P = inPositionEye;
     setPositionEye(P);
     vec3 tmpsunlit = vec3(1);
     vec3 tmpamblit = vec3(1);
     vec3 tmpaddlit = vec3(1);
     vec3 tmpattenlit = vec3(1);
-    calcAtmosphericVars(inPositionEye, vec3(0), 1, tmpsunlit, tmpamblit, tmpaddlit, tmpattenlit, false);
+	vec3 light_dir = (sun_up_factor == 1) ? sun_dir : moon_dir;	
+    calcAtmosphericVars(inPositionEye, light_dir, 1, tmpsunlit, tmpamblit, tmpaddlit, tmpattenlit, false);
     setSunlitColor(tmpsunlit);
     setAmblitColor(tmpamblit);
     setAdditiveColor(tmpaddlit);
     setAtmosAttenuation(tmpattenlit);
 }
-
diff --git a/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl b/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl
index f69d36f715..b0cf9b0002 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/transportF.glsl
@@ -34,14 +34,9 @@ uniform int no_atmo;
 
 vec3 atmosTransportFrag(vec3 light, vec3 additive, vec3 atten)
 {
-    if (no_atmo == 1)
-    {
-        return light * 2.0;
-    }
-    // fullbright responds minimally to atmos scatter effects 
-    light *= min(15.0 * atten.r, 1.0);
-    light += (0.1 * additive);
-    return light * 2.0;
+    light *= atten.r;
+	light += additive * 2.0;
+	return light;
 }
 
 vec3 atmosTransport(vec3 light)
@@ -52,7 +47,7 @@ vec3 atmosTransport(vec3 light)
 vec3 fullbrightAtmosTransportFrag(vec3 light, vec3 additive, vec3 atten)
 {
     float brightness = dot(light.rgb * 0.5, vec3(0.3333)) + 0.1;
-    return atmosTransportFrag(light * 0.5, additive * brightness, atten);
+    return mix(atmosTransport(light.rgb), light.rgb + additive, brightness * brightness);
 }
 
 vec3 fullbrightAtmosTransport(vec3 light)
@@ -62,6 +57,6 @@ vec3 fullbrightAtmosTransport(vec3 light)
 
 vec3 fullbrightShinyAtmosTransport(vec3 light)
 {
-    float brightness = dot(light.rgb * 0.5, vec3(0.33333)) + 0.1;
-    return atmosTransportFrag(light * 0.5, getAdditiveColor() * (brightness * brightness), getAtmosAttenuation());
+    float brightness = dot(light.rgb, vec3(0.33333));
+    return mix(atmosTransport(light.rgb), (light.rgb + getAdditiveColor().rgb) * (2.0 - brightness), brightness * brightness);
 }
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 59269c2115..18ea184da6 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -1423,9 +1423,9 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 				static const GLfloat SHININESS_TO_ALPHA[4] =
 				{
 					0.0000f,
-					0.3333f,
-					0.6666f,
-					1.0000f
+					0.25f,
+					0.5f,
+					0.75f
 				};
 			
 				llassert(tep->getShiny() <= 3);
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index c8ddc96301..f108d96320 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -2146,8 +2146,10 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredFullbrightShinyProgram.mName = "Deferred FullbrightShiny Shader";
 		gDeferredFullbrightShinyProgram.mFeatures.calculatesAtmospherics = true;
+		gDeferredFullbrightShinyProgram.mFeatures.hasAtmospherics = true;
 		gDeferredFullbrightShinyProgram.mFeatures.hasGamma = true;
 		gDeferredFullbrightShinyProgram.mFeatures.hasTransport = true;
+		gDeferredFullbrightShinyProgram.mFeatures.hasSrgb = true;
 		gDeferredFullbrightShinyProgram.mFeatures.mIndexedTextureChannels = LLGLSLShader::sIndexedTextureChannels-1;
 		gDeferredFullbrightShinyProgram.mShaderFiles.clear();
 		gDeferredFullbrightShinyProgram.mShaderFiles.push_back(make_pair("deferred/fullbrightShinyV.glsl", GL_VERTEX_SHADER_ARB));
@@ -2161,6 +2163,7 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredSkinnedFullbrightProgram.mName = "Skinned Fullbright Shader";
 		gDeferredSkinnedFullbrightProgram.mFeatures.calculatesAtmospherics = true;
+		gDeferredSkinnedFullbrightProgram.mFeatures.hasAtmospherics = true;
 		gDeferredSkinnedFullbrightProgram.mFeatures.hasGamma = true;
 		gDeferredSkinnedFullbrightProgram.mFeatures.hasTransport = true;
 		gDeferredSkinnedFullbrightProgram.mFeatures.hasObjectSkinning = true;
@@ -2178,10 +2181,12 @@ BOOL LLViewerShaderMgr::loadShadersDeferred()
 	{
 		gDeferredSkinnedFullbrightShinyProgram.mName = "Skinned Fullbright Shiny Shader";
 		gDeferredSkinnedFullbrightShinyProgram.mFeatures.calculatesAtmospherics = true;
+        gDeferredSkinnedFullbrightShinyProgram.mFeatures.hasAtmospherics = true;
 		gDeferredSkinnedFullbrightShinyProgram.mFeatures.hasGamma = true;
 		gDeferredSkinnedFullbrightShinyProgram.mFeatures.hasTransport = true;
 		gDeferredSkinnedFullbrightShinyProgram.mFeatures.hasObjectSkinning = true;
 		gDeferredSkinnedFullbrightShinyProgram.mFeatures.disableTextureIndex = true;
+        gDeferredSkinnedFullbrightShinyProgram.mFeatures.hasSrgb = 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));