Initial (largely complete) gamma correct rendering implementation.

4 files changed, 17 insertions, 9 deletions

diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
index 12706f130b..359864556d 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -149,6 +149,7 @@ void main()
 	}
 	
 	vec4 diff = diffuseLookup(vary_texcoord0.xy);
+	diff.rgb = pow(diff.rgb, vec3(2.2));
 
 	vec4 col = vec4(vary_ambient + vary_directional.rgb*shadow, vertex_color.a);
 	vec4 color = diff * col;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 457189b48e..bf4c476138 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -79,6 +79,11 @@ vec3 vary_AmblitColor;
 vec3 vary_AdditiveColor;
 vec3 vary_AtmosAttenuation;
 
+vec3 samplesRGB(vec3 color)
+{
+	return pow(color, vec3(2.2));
+}
+
 vec4 getPosition_d(vec2 pos_screen, float depth)
 {
 	vec2 sc = pos_screen.xy*2.0;
@@ -103,15 +108,15 @@ vec3 getPositionEye()
 }
 vec3 getSunlitColor()
 {
-	return vary_SunlitColor;
+	return samplesRGB(vary_SunlitColor) * 4.4;
 }
 vec3 getAmblitColor()
 {
-	return vary_AmblitColor;
+	return samplesRGB(vary_AmblitColor) * 2.2;
 }
 vec3 getAdditiveColor()
 {
-	return vary_AdditiveColor;
+	return samplesRGB(vary_AdditiveColor) * 2.2;
 }
 vec3 getAtmosAttenuation()
 {
@@ -318,7 +323,7 @@ void main()
 
 			//add environmentmap
 			vec3 env_vec = env_mat * refnormpersp;
-			col = mix(col.rgb, textureCube(environmentMap, env_vec).rgb, 
+			col = mix(col.rgb, samplesRGB(textureCube(environmentMap, env_vec).rgb) * 2.2, 
 				max(spec.a-diffuse.a*2.0, 0.0)); 
 		}
 			
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl
index 765b0927c3..dd7de9f123 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl
@@ -27,7 +27,7 @@
 VARYING vec3 vary_SunlitColor;
 VARYING vec3 vary_AdditiveColor;
 VARYING vec3 vary_AtmosAttenuation;
-
+uniform float global_gamma;
 vec3 getSunlitColor()
 {
 	return vec3(0,0,0);
@@ -38,7 +38,7 @@ vec3 getAmblitColor()
 }
 vec3 getAdditiveColor()
 {
-	return vary_AdditiveColor;
+	return pow(vary_AdditiveColor, vec3(global_gamma)) * global_gamma;
 }
 vec3 getAtmosAttenuation()
 {
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl
index 99dbee15ee..61f3088648 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl
@@ -33,18 +33,20 @@ vec3 sunlit_color;
 vec3 amblit_color;
 vec3 position_eye;
 
+uniform float global_gamma;
+
 vec3 getSunlitColor()
 {
-	return sunlit_color;
+	return pow(sunlit_color, vec3(global_gamma)) * global_gamma;
 }
 vec3 getAmblitColor()
 {
-	return amblit_color;
+	return pow(amblit_color, vec3(global_gamma)) * global_gamma;
 }
 
 vec3 getAdditiveColor()
 {
-	return additive_color;
+	return pow(additive_color, vec3(global_gamma)) * global_gamma;
 }
 vec3 getAtmosAttenuation()
 {