Fix any missing color space conversions where appropriate, tweak the sun's intensity to match pre-gamma correction results, and also mask spotlight specular by the projected texture.

3 files changed, 20 insertions, 14 deletions

diff --git a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 76da91094c..9ddbb6da6a 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -200,7 +200,7 @@ void main()
 	
 	vec4 spec = texture2DRect(specularRect, frag.xy);
 
-	
+	vec3 dlit = vec3(0, 0, 0);
 
 	float noise = texture2D(noiseMap, frag.xy/128.0).b;
 	if (proj_tc.z > 0.0 &&
@@ -221,9 +221,9 @@ void main()
 			
 			vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod);
 		
-			vec3 lcol = color.rgb * plcol.rgb * plcol.a;
+			dlit = color.rgb * plcol.rgb * plcol.a;
 			
-			col = lcol*lit*diff_tex*shadow;
+			col = dlit*lit*diff_tex*shadow;
 			amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance;
 		}
 		
@@ -242,7 +242,6 @@ void main()
 
 	if (spec.a > 0.0)
 	{
-		float lit = da * dist_atten * noise;
 		vec3 npos = -normalize(pos);
 
 		//vec3 ref = dot(pos+lv, norm);
@@ -259,7 +258,7 @@ void main()
 		if (nh > 0.0)
 		{
 			float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
-			col += lit*scol*color.rgb*spec.rgb*shadow;
+			col += dlit*scol*spec.rgb*shadow;
 			//col += spec.rgb;
 		}
 	}	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index 3d39394c32..f95fe59be2 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -234,9 +234,9 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 		  + tmpAmbient)));
 
 	//brightness of surface both sunlight and ambient
-	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);
+	setSunlitColor(pow(vec3(sunlight * .5), vec3(global_gamma)) * global_gamma);
+	setAmblitColor(pow(vec3(tmpAmbient * .25), vec3(global_gamma)) * global_gamma);
+	setAdditiveColor(pow(getAdditiveColor() * vec3(1.0 - temp1), vec3(global_gamma)) * global_gamma);
 }
 
 vec3 atmosLighting(vec3 light)
@@ -311,7 +311,7 @@ void main()
 		calcAtmospherics(pos.xyz, ambocc);
 	
 		col = atmosAmbient(vec3(0));
-		col += atmosAffectDirectionalLight(max(min(da, scol), diffuse.a));
+		col += atmosAffectDirectionalLight(max(min(da, scol) * 2.6, diffuse.a));
 	
 		col *= diffuse.rgb;
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
index 2cc563ff67..aa964fa0a3 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -79,9 +79,15 @@ vec3 decode_normal (vec2 enc)
     return n;
 }
 
+vec4 correctWithGamma(vec4 col)
+{
+	return vec4(pow(col.rgb, vec3(2.2)), col.a);
+}
+
 vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	ret = correctWithGamma(ret);
 	
 	vec2 dist = tc-vec2(0.5);
 	
@@ -97,6 +103,7 @@ vec4 texture2DLodSpecular(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	ret = correctWithGamma(ret);
 	
 	vec2 dist = vec2(0.5) - abs(tc-vec2(0.5));
 	
@@ -114,6 +121,7 @@ vec4 texture2DLodDiffuse(sampler2D projectionMap, vec2 tc, float lod)
 vec4 texture2DLodAmbient(sampler2D projectionMap, vec2 tc, float lod)
 {
 	vec4 ret = texture2DLod(projectionMap, tc, lod);
+	ret = correctWithGamma(ret);
 	
 	vec2 dist = tc-vec2(0.5);
 	
@@ -198,7 +206,7 @@ void main()
 		
 	vec4 spec = texture2DRect(specularRect, frag.xy);
 
-	
+	vec3 dlit = vec3(0, 0, 0);
 
 	float noise = texture2D(noiseMap, frag.xy/128.0).b;
 	if (proj_tc.z > 0.0 &&
@@ -219,9 +227,9 @@ void main()
 			
 			vec4 plcol = texture2DLodDiffuse(projectionMap, proj_tc.xy, lod);
 		
-			vec3 lcol = color.rgb * plcol.rgb * plcol.a;
+			dlit = color.rgb * plcol.rgb * plcol.a;
 			
-			col = lcol*lit*diff_tex*shadow;
+			col = dlit*lit*diff_tex*shadow;
 			amb_da += (da*0.5)*(1.0-shadow)*proj_ambiance;
 		}
 		
@@ -240,7 +248,6 @@ void main()
 
 	if (spec.a > 0.0)
 	{
-		float lit = da * dist_atten * noise;
 		vec3 npos = -normalize(pos);
 
 		//vec3 ref = dot(pos+lv, norm);
@@ -257,7 +264,7 @@ void main()
 		if (nh > 0.0)
 		{
 			float scol = fres*texture2D(lightFunc, vec2(nh, spec.a)).r*gt/(nh*da);
-			col += lit*scol*color.rgb*spec.rgb*shadow;
+			col += dlit*scol*spec.rgb*shadow;
 			//col += spec.rgb;
 		}
 	}