First pass of gamma correction reimplementation.

5 files changed, 25 insertions, 13 deletions

diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
index 486e806434..df6eb04a62 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -215,7 +215,7 @@ void main()
 #else
 	vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy);
 #endif
-	
+	diff.rgb = pow(diff.rgb, vec3(2.2));
 #if INDEX_MODE == NON_INDEXED_NO_COLOR
 	float vertex_color_alpha = 1.0;
 #else
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index 5f2961c90e..db5e5620dc 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -186,17 +186,19 @@ void main()
 	//vec4 color = calcLighting(pos.xyz, norm, diffuse_color, vec4(0.));
 	vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
 
-	vary_pointlight_col = diffuse_color.rgb;
+	vec3 dff = pow(diffuse_color.rgb, vec3(2.2));
+
+	vary_pointlight_col = dff;
 
 	col.rgb = vec3(0,0,0);
 
 	// Add windlight lights
 	col.rgb = atmosAmbient(vec3(0.));
 	
-	vary_ambient = col.rgb*diffuse_color.rgb;
 	vary_directional.rgb = atmosAffectDirectionalLight(1);
+	vary_ambient = col.rgb*dff;
 	
-	col.rgb = col.rgb*diffuse_color.rgb;
+	col.rgb = col.rgb*dff;
 	
 #if INDEX_MODE != NON_INDEXED_NO_COLOR
 	vertex_color = col;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index b3ab8fd510..cfdb53b5cc 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -82,6 +82,7 @@ vec3 decode_normal (vec2 enc)
 vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	ret.rgb = pow(ret.rgb, vec3(2.2));
 	
 	vec2 dist = tc-vec2(0.5);
 	
@@ -97,6 +98,7 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	ret.rgb = pow(ret.rgb, vec3(2.2));
 	
 	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
 	
@@ -114,6 +116,7 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	ret.rgb = pow(ret.rgb, vec3(2.2));
 	
 	vec2 dist = tc-vec2(0.5);
 	
@@ -193,6 +196,7 @@ void main()
 	vec3 col = vec3(0,0,0);
 		
 	vec3 diff_tex = texture2DRect(diffuseRect, frag.xy).rgb;
+	diff_tex = pow(diff_tex, vec3(2.2));
 		
 	float noise = texture2D(noiseMap, frag.xy/128.0).b;
 	if (proj_tc.z > 0.0 &&
@@ -214,8 +218,6 @@ void main()
 			vec3 lcol = color.rgb * plcol.rgb * plcol.a;
 			
 			lit = da * dist_atten * noise;
-			
-			lit = pow(lit, 0.7);
 
 			col = lcol*lit*diff_tex*shadow;
 			amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance;
@@ -235,6 +237,8 @@ void main()
 	
 	
 	vec4 spec = texture2DRect(specularRect, frag.xy);
+	spec.rgb = pow(spec.rgb, vec3(2.2));
+	
 	if (spec.a > 0.0)
 	{
 		vec3 ref = reflect(normalize(pos), norm);
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 8e638c64eb..e8f3a02c5a 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -60,6 +60,7 @@ uniform float density_multiplier;
 uniform float distance_multiplier;
 uniform float max_y;
 uniform vec4 glow;
+uniform float global_gamma;
 uniform float scene_light_strength;
 uniform mat3 env_mat;
 uniform vec4 shadow_clip;
@@ -233,9 +234,9 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 		  + tmpAmbient)));
 
 	//brightness of surface both sunlight and ambient
-	setSunlitColor(vec3(sunlight * .5));
-	setAmblitColor(vec3(tmpAmbient * .25));
-	setAdditiveColor(getAdditiveColor() * vec3(1.0 - temp1));
+	setSunlitColor(pow(vec3(sunlight * .5), vec3(global_gamma)) * 3.3);
+	setAmblitColor(pow(vec3(tmpAmbient * .25), vec3(global_gamma)) * 3.3);
+	setAdditiveColor(pow(getAdditiveColor() * vec3(1.0 - temp1), vec3(global_gamma)) * 3.3);
 }
 
 vec3 atmosLighting(vec3 light)
@@ -293,9 +294,9 @@ void main()
 	float envIntensity = norm.z;
 	norm.xyz = decode_normal(norm.xy);
 	float da = max(dot(norm.xyz, sun_dir.xyz), 0.0);
-	da = pow(da, 0.7);
 
 	vec4 diffuse = texture2DRect(diffuseRect, tc);
+	diffuse.rgb = pow(diffuse.rgb, vec3(2.2));
 
 	vec3 col;
 	float bloom = 0.0;
@@ -303,6 +304,7 @@ void main()
 	if (diffuse.a < 0.9)
 	{
 		vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
+		spec.rgb = pow(spec.rgb, vec3(2.2));
 		
 		vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg;
 		float scol = max(scol_ambocc.r, diffuse.a); 
@@ -330,7 +332,7 @@ void main()
 
 			//add environmentmap
 			vec3 env_vec = env_mat * refnormpersp;
-			col = mix(col.rgb, textureCube(environmentMap, env_vec).rgb, 
+			col = mix(col.rgb, pow(textureCube(environmentMap, env_vec).rgb, vec3(2.2)) * 2.2, 
 				max(envIntensity-diffuse.a*2.0, 0.0)); 
 		}
 			
diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
index 43fc5dbc5e..7ce327d1e0 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -83,6 +83,7 @@ vec3 decode_normal (vec2 enc)
 vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	ret.rgb = pow(ret.rgb, vec3(2.2));
 	
 	vec2 dist = tc-vec2(0.5);
 	
@@ -98,6 +99,7 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	ret.rgb = pow(ret.rgb, vec3(2.2));
 	
 	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
 	
@@ -115,6 +117,7 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	ret.rgb = pow(ret.rgb, vec3(2.2));
 	
 	vec2 dist = tc-vec2(0.5);
 	
@@ -194,6 +197,8 @@ void main()
 	vec3 col = vec3(0,0,0);
 		
 	vec3 diff_tex = texture2DRect(diffuseRect, frag.xy).rgb;
+	
+	diff_tex = pow(diff_tex, vec3(2.2));
 		
 	float noise = texture2D(noiseMap, frag.xy/128.0).b;
 	if (proj_tc.z > 0.0 &&
@@ -215,8 +220,6 @@ void main()
 			vec3 lcol = color.rgb * plcol.rgb * plcol.a;
 			
 			lit = da * dist_atten * noise;
-			
-			lit = pow(lit, 0.7);
 
 			col = lcol*lit*diff_tex*shadow;
 			amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance;
@@ -236,6 +239,7 @@ void main()
 	
 	
 	vec4 spec = texture2DRect(specularRect, frag.xy);
+	spec.rgb = pow(spec.rgb, vec3(2.2));
 	if (spec.a > 0.0)
 	{
 		vec3 ref = reflect(normalize(pos), norm);