Merge with latest viewer-release.

11 files changed, 95 insertions, 88 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 77a53a71aa..0899caa2af 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -78,6 +78,7 @@ uniform vec2 screen_res;
 vec3 calcDirectionalLight(vec3 n, vec3 l)
 {
 	float a = max(dot(n,l),0.0);
+	a = pow(a, 1.0/1.3);
 	return vec3(a,a,a);
 }
 
@@ -87,7 +88,7 @@ vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = dot(lv,lv);
+	float d = length(lv);
 	
 	float da = 0.0;
 
@@ -97,9 +98,11 @@ vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float
 		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d/la;
-		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-		da = pow(da, 2.2) * 2.2;
+		float dist = d/la;
+		da = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
+		da *= da;
+		da *= 1.4;
+	
 
 		// spotlight coefficient.
 		float spot = max(dot(-ln, lv), is_pointlight);
@@ -212,6 +215,7 @@ void main()
 #else
 	vec4 diff = texture2D(diffuseMap,vary_texcoord0.xy);
 #endif
+	vec4 gamma_diff = diff;
 
 	diff.rgb = pow(diff.rgb, vec3(2.2f, 2.2f, 2.2f));
 
@@ -224,7 +228,7 @@ void main()
 	vec3 normal = vary_norm; 
 	
 	vec3 l = light_position[0].xyz;
-	vec3 dlight = calcDirectionalLight(normal, l) * 2.6;
+	vec3 dlight = calcDirectionalLight(normal, l);
 	dlight = dlight * vary_directional.rgb * vary_pointlight_col;
 
 #if HAS_SHADOW
@@ -233,13 +237,16 @@ void main()
 	vec4 col = vec4(vary_ambient + dlight, vertex_color_alpha);
 #endif
 
-	vec4 color = diff * col;
+	vec4 color = gamma_diff * col;
 	
 	color.rgb = atmosLighting(color.rgb);
 
 	color.rgb = scaleSoftClip(color.rgb);
+
+	color.rgb = pow(color.rgb, vec3(2.2));
 	col = vec4(0,0,0,0);
 
+	
    #define LIGHT_LOOP(i) col.rgb += light_diffuse[i].rgb * calcPointLightOrSpotLight(pos.xyz, normal, light_position[i], light_direction[i].xyz, light_attenuation[i].x, light_attenuation[i].y, light_attenuation[i].z);
 
 	LIGHT_LOOP(1)
@@ -250,7 +257,7 @@ void main()
 	LIGHT_LOOP(6)
 	LIGHT_LOOP(7)
 
-	color.rgb += diff.rgb * vary_pointlight_col * col.rgb;
+	color.rgb += diff.rgb * pow(vary_pointlight_col, vec3(2.2)) * col.rgb;
 
 	color.rgb = pow(color.rgb, vec3(1.0/2.2));
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index 247ee0a34f..9d3ba564cd 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -58,8 +58,6 @@ mat4 getSkinnedTransform();
 vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseCol);
 void calcAtmospherics(vec3 inPositionEye);
 
-vec3 calcDirectionalLight(vec3 n, vec3 l);
-
 vec3 atmosAmbient(vec3 light);
 vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 scaleDownLight(vec3 light);
@@ -88,12 +86,6 @@ uniform vec3 light_diffuse[8];
 
 uniform vec3 sun_dir;
 
-vec3 calcDirectionalLight(vec3 n, vec3 l)
-{
-        float a = max(dot(n,l),0.0);
-        return vec3(a,a,a);
-}
-
 vec3 calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
 	//get light vector
@@ -184,7 +176,7 @@ void main()
 	//vec4 color = calcLighting(pos.xyz, norm, diffuse_color, vec4(0.));
 	vec4 col = vec4(0.0, 0.0, 0.0, diffuse_color.a);
 	
-	vec3 diff = pow(diffuse_color.rgb, vec3(2.2));
+	vec3 diff = diffuse_color.rgb;
 
 	
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
index eebeb91bf8..968a5f6b3d 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
@@ -46,11 +46,6 @@ VARYING vec2 vary_fragcoord;
 uniform mat4 inv_proj;
 uniform vec2 screen_res;
 
-vec3 getKern(int i)
-{
-	return kern[i];
-}
-
 vec4 getPosition(vec2 pos_screen)
 {
 	float depth = texture2DRect(depthMap, pos_screen.xy).r;
@@ -110,7 +105,7 @@ void main()
 	vec2 dlt = kern_scale * delta / (1.0+norm.xy*norm.xy);
 	dlt /= max(-pos.z*dist_factor, 1.0);
 	
-	vec2 defined_weight = getKern(0).xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free'
+	vec2 defined_weight = kern[0].xy; // special case the first (centre) sample's weight in the blur; we have to sample it anyway so we get it for 'free'
 	vec4 col = defined_weight.xyxx * ccol;
 
 	// relax tolerance according to distance to avoid speckling artifacts, as angles and distances are a lot more abrupt within a small screen area at larger distances
@@ -120,28 +115,33 @@ void main()
 	float tc_mod = 0.5*(tc.x + tc.y); // mod(tc.x+tc.y,2)
 	tc_mod -= floor(tc_mod);
 	tc_mod *= 2.0;
-	tc += ( (tc_mod - 0.5) * getKern(1).z * dlt * 0.5 );
+	tc += ( (tc_mod - 0.5) * kern[1].z * dlt * 0.5 );
 
 	for (int i = 1; i < 4; i++)
 	{
-		vec2 samptc = tc + getKern(i).z*dlt;
-	        vec3 samppos = getPosition(samptc).xyz; 
+		vec2 samptc = tc + kern[i].z*dlt;
+	    vec3 samppos = getPosition(samptc).xyz; 
+
 		float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
+		
 		if (d*d <= pointplanedist_tolerance_pow2)
 		{
-			col += texture2DRect(lightMap, samptc)*getKern(i).xyxx;
-			defined_weight += getKern(i).xy;
+			col += texture2DRect(lightMap, samptc)*kern[i].xyxx;
+			defined_weight += kern[i].xy;
 		}
 	}
+
 	for (int i = 1; i < 4; i++)
 	{
-		vec2 samptc = tc - getKern(i).z*dlt;
-	        vec3 samppos = getPosition(samptc).xyz; 
+		vec2 samptc = tc - kern[i].z*dlt;
+	    vec3 samppos = getPosition(samptc).xyz; 
+
 		float d = dot(norm.xyz, samppos.xyz-pos.xyz);// dist from plane
+		
 		if (d*d <= pointplanedist_tolerance_pow2)
 		{
-			col += texture2DRect(lightMap, samptc)*getKern(i).xyxx;
-			defined_weight += getKern(i).xy;
+			col += texture2DRect(lightMap, samptc)*kern[i].xyxx;
+			defined_weight += kern[i].xy;
 		}
 	}
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
index a2c3ec3355..adc361d7a2 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
@@ -43,10 +43,12 @@ vec2 encode_normal(vec3 n)
 void main() 
 {
 	vec3 col = vertex_color.rgb * diffuseLookup(vary_texcoord0.xy).rgb;
+	
+	vec3 spec;
+	spec.rgb = vec3(vertex_color.a);
 
 	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
+	frag_data[1] = vec4(spec, vertex_color.a); // spec
 	vec3 nvn = normalize(vary_normal);
 	frag_data[2] = vec4(encode_normal(nvn.xyz), vertex_color.a, 0.0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
index de2f74b681..618ea747f5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl
@@ -127,7 +127,7 @@ vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spe
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = dot(lv,lv);
+	float d = length(lv);
 	
 	float da = 1.0;
 
@@ -139,8 +139,10 @@ vec3 calcPointLightOrSpotLight(vec3 light_col, vec3 npos, vec3 diffuse, vec4 spe
 		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d/la;
-		float dist_atten = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
+		float dist = d/la;
+		float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
+		dist_atten *= dist_atten;
+		dist_atten *= 1.4;
 
 		// spotlight coefficient.
 		float spot = max(dot(-ln, lv), is_pointlight);
@@ -321,9 +323,9 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 		  + tmpAmbient)));
 
 	//brightness of surface both sunlight and ambient
-	setSunlitColor(pow(vec3(sunlight * .5), vec3(2.2)) * 2.2);
-	setAmblitColor(pow(vec3(tmpAmbient * .25), vec3(2.2)) * 2.2);
-	setAdditiveColor(pow(getAdditiveColor() * vec3(1.0 - temp1), vec3(2.2)) * 2.2);
+	setSunlitColor(vec3(sunlight * .5));
+	setAmblitColor(vec3(tmpAmbient * .25));
+	setAdditiveColor(getAdditiveColor() * vec3(1.0 - temp1));
 }
 
 vec3 atmosLighting(vec3 light)
@@ -617,8 +619,8 @@ void main()
 
 	col.rgb *= ambient;
 
-	col.rgb = col.rgb + atmosAffectDirectionalLight(final_da * 2.6);
-	col.rgb *= diffuse.rgb;
+	col.rgb = col.rgb + atmosAffectDirectionalLight(pow(final_da, 1.0/1.3));
+	col.rgb *= old_diffcol.rgb;
 	
 
 	float glare = 0.0;
@@ -647,9 +649,8 @@ void main()
 	{
 		//add environmentmap
 		vec3 env_vec = env_mat * refnormpersp;
-		float exponent = mix(2.2, 1.0, diffuse.a);
-
-		vec3 refcol = pow(textureCube(environmentMap, env_vec).rgb, vec3(exponent))*exponent;
+		
+		vec3 refcol = textureCube(environmentMap, env_vec).rgb;
 
 		col = mix(col.rgb, refcol, 
 			envIntensity);  
@@ -660,13 +661,12 @@ void main()
 		glare += cur_glare;
 	}
 
-	float exponent = mix(1.0, 2.2, diffuse.a);
-	col = pow(col, vec3(exponent));
-				
-	
 	col = mix(atmosLighting(col), fullbrightAtmosTransport(col), diffuse.a);
 	col = mix(scaleSoftClip(col), fullbrightScaleSoftClip(col), diffuse.a);
 
+	//convert to linear space before adding local lights
+	col = pow(col, vec3(2.2));
+
 			
 	vec3 npos = normalize(-pos.xyz);
 
@@ -681,6 +681,7 @@ void main()
 		LIGHT_LOOP(7)
 
 
+	//convert to gamma space for display on screen
 	col.rgb = pow(col.rgb, vec3(1.0/2.2));
 
 	frag_color.rgb = col.rgb;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
index b35ba549f6..868526d457 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
@@ -127,9 +127,9 @@ void main()
 		bool light_contrib = (i < light_count);
 		
 		vec3 lv = light[i].xyz-pos;
-		float dist2 = dot(lv,lv);
-		dist2 /= light[i].w;
-		if (dist2 > 1.0)
+		float dist = length(lv);
+		dist /= light[i].w;
+		if (dist > 1.0)
 		{
 			light_contrib = false;
 		}
@@ -146,10 +146,10 @@ void main()
 			da = dot(norm, lv);
 			
 			float fa = light_col[i].a+1.0;
-			float dist_atten = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
+			float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
+			dist_atten *= dist_atten;
+			dist_atten *= 2.0;
 			
-			dist_atten = pow(dist_atten, 2.2) * 2.2;
-
 			dist_atten *= noise;
 
 			float lit = da * dist_atten;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
index 5ac5a1051b..0443b592e2 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
@@ -178,9 +178,9 @@ void main()
 	
 	vec3 pos = getPosition(frag.xy).xyz;
 	vec3 lv = center.xyz-pos.xyz;
-	float dist2 = dot(lv,lv);
-	dist2 /= size;
-	if (dist2 > 1.0)
+	float dist = length(lv);
+	dist /= size;
+	if (dist > 1.0)
 	{
 		discard;
 	}
@@ -202,8 +202,10 @@ void main()
 	proj_tc.xyz /= proj_tc.w;
 	
 	float fa = falloff+1.0;
-	float dist_atten = min(1.0-(dist2-1.0*(1.0-fa))/fa, 1.0);
-	dist_atten = pow(dist_atten, 2.2) * 2.2;
+	float dist_atten = min(1.0-(dist-1.0*(1.0-fa))/fa, 1.0);
+	dist_atten *= dist_atten;
+	dist_atten *= 2.0;
+
 	if (dist_atten <= 0.0)
 	{
 		discard;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
index c6b1eb7c8d..caf20ce707 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
@@ -110,9 +110,9 @@ void main()
 	
 	vec3 pos = getPosition(frag.xy).xyz;
 	vec3 lv = trans_center.xyz-pos;
-	float dist2 = dot(lv,lv);
-	dist2 /= size;
-	if (dist2 > 1.0)
+	float dist = length(lv);
+	dist /= size;
+	if (dist > 1.0)
 	{
 		discard;
 	}
@@ -133,8 +133,10 @@ void main()
 	
 	vec3 col = texture2DRect(diffuseRect, frag.xy).rgb;
 	float fa = falloff+1.0;
-	float dist_atten = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
-	dist_atten = pow(dist_atten, 2.2) * 2.2;
+	float dist_atten = clamp(1.0-(dist-1.0*(1.0-fa))/fa, 0.0, 1.0);
+	dist_atten *= dist_atten;
+	dist_atten *= 2.0;
+	
 	float lit = da * dist_atten * noise;
 
 	col = color.rgb*lit*col;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
index 9491421236..a5625fbc16 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightV.glsl
@@ -37,7 +37,7 @@ VARYING vec3 trans_center;
 void main()
 {
 	//transform vertex
-	vec3 p = position*sqrt(size)+center;
+	vec3 p = position*size+center;
 	vec4 pos = modelview_projection_matrix * vec4(p.xyz, 1.0);
 	vary_fragcoord = pos;
 	trans_center = (modelview_matrix*vec4(center.xyz, 1.0)).xyz;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index ab9a06e3ed..58875ff4ea 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -249,9 +249,9 @@ void calcAtmospherics(vec3 inPositionEye, float ambFactor) {
 		  + tmpAmbient)));
 
 	//brightness of surface both sunlight and ambient
-	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);
+	setSunlitColor(vec3(sunlight * .5));
+	setAmblitColor(vec3(tmpAmbient * .25));
+	setAdditiveColor(getAdditiveColor() * vec3(1.0 - temp1));
 }
 
 vec3 atmosLighting(vec3 light)
@@ -326,8 +326,13 @@ void main()
 	norm.xyz = decode_normal(norm.xy); // unpack norm
 		
 	float da = max(dot(norm.xyz, sun_dir.xyz), 0.0);
+	da = pow(da, 1.0/1.3);
 
 	vec4 diffuse = texture2DRect(diffuseRect, tc);
+
+	//convert to gamma space
+	diffuse.rgb = pow(diffuse.rgb, vec3(1.0/2.2));
+
 	vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
 	vec3 col;
 	float bloom = 0.0;
@@ -342,7 +347,7 @@ void main()
 
 		col.rgb *= ambient;
 
-		col += atmosAffectDirectionalLight(max(min(da, 1.0) * 2.6, 0.0));
+		col += atmosAffectDirectionalLight(max(min(da, 1.0), 0.0));
 	
 		col *= diffuse.rgb;
 	
@@ -363,23 +368,18 @@ void main()
 		}
 		
 		
-		col = mix(col.rgb, pow(diffuse.rgb, vec3(1.0/2.2)), diffuse.a);
-		
-		
+		col = mix(col.rgb, diffuse.rgb, diffuse.a);
+				
 		if (envIntensity > 0.0)
 		{ //add environmentmap
 			vec3 env_vec = env_mat * refnormpersp;
 			
-			float exponent = mix(2.2, 1.0, diffuse.a);
-			vec3 refcol = pow(textureCube(environmentMap, env_vec).rgb, vec3(exponent))*exponent;
+			
+			vec3 refcol = textureCube(environmentMap, env_vec).rgb;
 
 			col = mix(col.rgb, refcol, 
 				envIntensity);  
-
 		}
-
-		float exponent = mix(1.0, 2.2, diffuse.a);
-		col = pow(col, vec3(exponent));
 				
 		if (norm.w < 0.5)
 		{
@@ -387,10 +387,12 @@ void main()
 			col = mix(scaleSoftClip(col), fullbrightScaleSoftClip(col), diffuse.a);
 		}
 
+		col = pow(col, vec3(2.2));
+
 		//col = vec3(1,0,1);
 		//col.g = envIntensity;
 	}
-	
+
 	frag_color.rgb = col;
 
 	frag_color.a = bloom;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
index c634f50577..28432dac9a 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
@@ -178,9 +178,9 @@ void main()
 	
 	vec3 pos = getPosition(frag.xy).xyz;
 	vec3 lv = trans_center.xyz-pos.xyz;
-	float dist2 = dot(lv,lv);
-	dist2 /= size;
-	if (dist2 > 1.0)
+	float dist = length(lv);
+	dist /= size;
+	if (dist > 1.0)
 	{
 		discard;
 	}
@@ -202,8 +202,10 @@ void main()
 	proj_tc.xyz /= proj_tc.w;
 	
 	float fa = falloff+1.0;
-	float dist_atten = min(1.0-(dist2-1.0*(1.0-fa))/fa, 1.0);
-	dist_atten = pow(dist_atten, 2.2) * 2.2;
+	float dist_atten = min(1.0-(dist-1.0*(1.0-fa))/fa, 1.0);
+	dist_atten *= dist_atten;
+	dist_atten *= 2.0;
+
 	if (dist_atten <= 0.0)
 	{
 		discard;
@@ -282,10 +284,7 @@ void main()
 			//col += spec.rgb;
 		}
 	}	
-	
-	
-	
-	
+
 
 	if (envIntensity > 0.0)
 	{