NORSPEC-57, NORSPEC-58 Remove sRGB and gamma correction from shaders to remove banding and not break all shiny objects.

16 files changed, 28 insertions, 64 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index ef04ef5ce6..dd87ddb330 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -59,7 +59,6 @@ void main()
 	vec4 pos = vec4(vary_position, 1.0);
 	
 	vec4 diff= diffuseLookup(vary_texcoord0.xy);
-	diff.rgb = pow(diff.rgb, vec3(2.2));
 
 	vec4 col = vec4(vary_ambient + vary_directional.rgb, vertex_color.a);
 	vec4 color = diff * col;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
index aaf1e5e572..a887728493 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
@@ -48,7 +48,7 @@ void main()
 			  dot(norm,vary_mat1),
 			  dot(norm,vary_mat2));
 						
-	frag_data[0] = vec4(col * (1 - vertex_color.a), 0.0);
+	frag_data[0] = vec4(col, 0.0);
 	frag_data[1] = vertex_color.aaaa; // spec
 	//frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested
 	vec3 nvn = normalize(tnorm);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
index 85f28f68c0..2e456d00dd 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
@@ -38,7 +38,7 @@ VARYING vec2 vary_texcoord0;
 void main() 
 {
 	vec3 col = vertex_color.rgb * texture2D(diffuseMap, vary_texcoord0.xy).rgb;
-	frag_data[0] = vec4(col * (1 - vertex_color.a), 0.0);
+	frag_data[0] = vec4(col, 0.0);
 	frag_data[1] = vertex_color.aaaa; // spec
 	//frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested
 	vec3 nvn = normalize(vary_normal);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
index 6b5a922c29..bb6dc9a57d 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
@@ -37,7 +37,7 @@ void main()
 {
 	vec3 col = vertex_color.rgb * diffuseLookup(vary_texcoord0.xy).rgb;
 
-	frag_data[0] = vec4(col * (1 - vertex_color.a), 0.0);
+	frag_data[0] = vec4(col, 0.0);
 	frag_data[1] = vertex_color.aaaa; // spec
 	//frag_data[1] = vec4(vec3(vertex_color.a), vertex_color.a+(1.0-vertex_color.a)*vertex_color.a); // spec - from former class3 - maybe better, but not so well tested
 	vec3 nvn = normalize(vary_normal);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
index 3f57b006cd..bf362e21a4 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
@@ -37,7 +37,6 @@ uniform mat4 inv_proj;
 uniform vec2 screen_res;
 uniform float max_cof;
 uniform float res_scale;
-uniform float global_gamma;
 
 VARYING vec2 vary_fragcoord;
 
@@ -124,6 +123,6 @@ void main()
 
 		diff /= w;
 	}
-	diff.rgb = pow(diff.rgb, vec3(1.0/global_gamma));
+		
 	frag_color = diff;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl
index c891c4e445..eb5beeef39 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl
@@ -35,13 +35,12 @@ uniform sampler2DRect diffuseRect;
 uniform sampler2D bloomMap;
 
 uniform vec2 screen_res;
-uniform float global_gamma;
 VARYING vec2 vary_fragcoord;
 
 void main() 
 {
 	vec4 diff = texture2DRect(diffuseRect, vary_fragcoord.xy);
-	diff.rgb = pow(diff.rgb, vec3(1.0/global_gamma));
+	
 	vec4 bloom = texture2D(bloomMap, vary_fragcoord.xy/screen_res);
 	frag_color = diff + bloom;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index 2ec3fe4a52..2905cc91b6 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -77,11 +77,6 @@ vec3 vary_AtmosAttenuation;
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
 
-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;
@@ -106,15 +101,15 @@ vec3 getPositionEye()
 }
 vec3 getSunlitColor()
 {
-	return samplesRGB(vary_SunlitColor) * 4.4;
+	return vary_SunlitColor;
 }
 vec3 getAmblitColor()
 {
-	return samplesRGB((vary_AmblitColor)) * 2.2;
+	return vary_AmblitColor;
 }
 vec3 getAdditiveColor()
 {
-	return samplesRGB(vary_AdditiveColor) * 2.2;
+	return vary_AdditiveColor;
 }
 vec3 getAtmosAttenuation()
 {
@@ -305,7 +300,7 @@ void main()
 			//
 			vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
 			float sa = dot(refnormpersp, sun_dir.xyz);
-			vec3 dumbshiny = vary_SunlitColor*(texture2D(lightFunc, vec2(sa, spec.a)).r);
+			vec3 dumbshiny = vary_SunlitColor*(6 * texture2D(lightFunc, vec2(sa, spec.a)).r);
 			
 			// add the two types of shiny together
 			vec3 spec_contrib = dumbshiny * spec.rgb;
@@ -314,8 +309,8 @@ void main()
 
 			//add environmentmap
 			vec3 env_vec = env_mat * refnormpersp;
-			col = mix(col.rgb, samplesRGB(textureCube(environmentMap, env_vec).rgb) * 2.2, 
-				max(norm.a-diffuse.a*2.0, 0.0)); 
+			col = mix(col.rgb, textureCube(environmentMap, env_vec).rgb, 
+				max(spec.a-diffuse.a*2.0, 0.0)); 
 		}
 	
 		col = atmosLighting(col);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
index 9bdf87678f..cca63872de 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
@@ -72,8 +72,6 @@ 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);
 	
 	float det = max(1.0-lod/(proj_lod*0.5), 0.0);
@@ -89,8 +87,6 @@ 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));
 	
 	float det = min(lod/(proj_lod*0.5), 1.0);
@@ -108,8 +104,6 @@ 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);
 	
 	float d = dot(dist,dist);
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl
index 9543be562b..6c34643aab 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightAlphaMaskF.glsl
@@ -37,8 +37,6 @@ vec3 fullbrightScaleSoftClip(vec3 light);
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
-uniform float texture_gamma;
-
 void fullbright_lighting()
 {
 	vec4 color = diffuseLookup(vary_texcoord0.xy) * vertex_color;
@@ -47,7 +45,7 @@ void fullbright_lighting()
 	{
 		discard;
 	}
-	color.rgb = pow(color.rgb, vec3(texture_gamma));
+
 	color.rgb = fullbrightAtmosTransport(color.rgb);
 	
 	color.rgb = fullbrightScaleSoftClip(color.rgb);
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
index 359864556d..12706f130b 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -149,7 +149,6 @@ 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/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
index 695887c5ff..5621e47ab7 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/multiSpotLightF.glsl
@@ -71,8 +71,6 @@ 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);
 	
 	float det = max(1.0-lod/(proj_lod*0.5), 0.0);
@@ -88,8 +86,6 @@ 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));
 	
 	float det = min(lod/(proj_lod*0.5), 1.0);
@@ -107,8 +103,6 @@ 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);
 	
 	float d = dot(dist,dist);
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
index e95991a635..9df9d75905 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightF.glsl
@@ -79,11 +79,6 @@ 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;
@@ -108,15 +103,15 @@ vec3 getPositionEye()
 }
 vec3 getSunlitColor()
 {
-	return samplesRGB(vary_SunlitColor) * 4.4;
+	return vary_SunlitColor;
 }
 vec3 getAmblitColor()
 {
-	return samplesRGB(vary_AmblitColor) * 2.2;
+	return vary_AmblitColor;
 }
 vec3 getAdditiveColor()
 {
-	return samplesRGB(vary_AdditiveColor) * 2.2;
+	return vary_AdditiveColor;
 }
 vec3 getAtmosAttenuation()
 {
@@ -283,8 +278,8 @@ void main()
 	vec2 tc = vary_fragcoord.xy;
 	float depth = texture2DRect(depthMap, tc.xy).r;
 	vec3 pos = getPosition_d(tc, depth).xyz;
-	vec4 norm = texture2DRect(normalMap, tc);
-	norm.xyz = (norm.xyz-0.5)*2.0; // unpack norm
+	vec3 norm = texture2DRect(normalMap, tc).xyz;
+	norm = (norm.xyz-0.5)*2.0; // unpack norm
 		
 	float da = max(dot(norm.xyz, sun_dir.xyz), 0.0);
 	
@@ -314,7 +309,7 @@ void main()
 			//
 			vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
 			float sa = dot(refnormpersp, sun_dir.xyz);
-			vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*(texture2D(lightFunc, vec2(sa, spec.a)).r);
+			vec3 dumbshiny = vary_SunlitColor*scol_ambocc.r*(6 * texture2D(lightFunc, vec2(sa, spec.a)).r);
 
 			// add the two types of shiny together
 			vec3 spec_contrib = dumbshiny * spec.rgb;
@@ -323,8 +318,8 @@ void main()
 
 			//add environmentmap
 			vec3 env_vec = env_mat * refnormpersp;
-			col = mix(col.rgb, samplesRGB(textureCube(environmentMap, env_vec).rgb) * 2.2, 
-				max(norm.a-diffuse.a*2.0, 0.0)); 
+			col = mix(col.rgb, textureCube(environmentMap, env_vec).rgb, 
+				max(spec.a-diffuse.a*2.0, 0.0)); 
 		}
 			
 		col = atmosLighting(col);
diff --git a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
index 525dd32106..6d6ad6d565 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/spotLightF.glsl
@@ -71,8 +71,6 @@ 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);
 	
 	float det = max(1.0-lod/(proj_lod*0.5), 0.0);
@@ -88,8 +86,6 @@ 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));
 	
 	float det = min(lod/(proj_lod*0.5), 1.0);
@@ -107,8 +103,6 @@ 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);
 	
 	float d = dot(dist,dist);
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl
index dd7de9f123..765b0927c3 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 pow(vary_AdditiveColor, vec3(global_gamma)) * global_gamma;
+	return vary_AdditiveColor;
 }
 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 61f3088648..99dbee15ee 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl
@@ -33,20 +33,18 @@ vec3 sunlit_color;
 vec3 amblit_color;
 vec3 position_eye;
 
-uniform float global_gamma;
-
 vec3 getSunlitColor()
 {
-	return pow(sunlit_color, vec3(global_gamma)) * global_gamma;
+	return sunlit_color;
 }
 vec3 getAmblitColor()
 {
-	return pow(amblit_color, vec3(global_gamma)) * global_gamma;
+	return amblit_color;
 }
 
 vec3 getAdditiveColor()
 {
-	return pow(additive_color, vec3(global_gamma)) * global_gamma;
+	return additive_color;
 }
 vec3 getAtmosAttenuation()
 {
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 8b9e02946b..7fff2a66e8 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -398,7 +398,7 @@ void validate_framebuffer_object();
 
 bool addDeferredAttachments(LLRenderTarget& target)
 {
-	return target.addColorAttachment(GL_SRGB_ALPHA) && //specular
+	return target.addColorAttachment(GL_RGBA) && //specular
 			target.addColorAttachment(GL_RGB10_A2); //normal+z
 }
 
@@ -908,7 +908,7 @@ bool LLPipeline::allocateScreenBuffer(U32 resX, U32 resY, U32 samples)
 		BOOL ssao = RenderDeferredSSAO;
 		
 		//allocate deferred rendering color buffers
-		if (!mDeferredScreen.allocate(resX, resY, GL_SRGB8_ALPHA8, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
+		if (!mDeferredScreen.allocate(resX, resY, GL_RGBA8, TRUE, TRUE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
 		if (!mDeferredDepth.allocate(resX, resY, 0, TRUE, FALSE, LLTexUnit::TT_RECT_TEXTURE, FALSE, samples)) return false;
 		if (!addDeferredAttachments(mDeferredScreen)) return false;
 		
@@ -8297,7 +8297,7 @@ void LLPipeline::renderDeferredLighting()
 					light_colors.pop_front();
 
 					far_z = llmin(light[count].mV[2]-sqrtf(light[count].mV[3]), far_z);
-					col[count] = pow4fsrgb(col[count], 2.2f);
+					//col[count] = pow4fsrgb(col[count], 2.2f);
 					count++;
 					if (count == max_count || fullscreen_lights.empty())
 					{