SH-2243 work in progress -- don't use built-in GL light state when shaders are available.

2 files changed, 27 insertions, 18 deletions

diff --git a/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl b/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl
index 79bd017efc..e043ac873e 100644
--- a/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl
+++ b/indra/newview/app_settings/shaders/class3/lighting/sumLightsSpecularV.glsl
@@ -23,8 +23,6 @@
  * $/LicenseInfo$
  */
  
-
-
 float calcDirectionalLightSpecular(inout vec4 specular, vec3 view, vec3 n, vec3 l, vec3 lightCol, float da);
 vec3 calcPointLightSpecular(inout vec4 specular, vec3 view, vec3 v, vec3 n, vec3 l, float r, float pw, vec3 lightCol);
 
@@ -33,6 +31,10 @@ vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 atmosGetDiffuseSunlightColor();
 vec3 scaleDownLight(vec3 light);
 
+uniform vec4 light_position[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor, vec4 baseCol)
 {
 	vec4 col = vec4(0.0, 0.0, 0.0, color.a);
@@ -43,18 +45,18 @@ vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor
 	vec4 specularSum = vec4(0.0);
 	
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[1].diffuse.rgb * calcDirectionalLightSpecular(specularColor, view, norm, gl_LightSource[1].position.xyz,gl_LightSource[1].diffuse.rgb, 1.0);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[2].position.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].quadraticAttenuation,gl_LightSource[2].diffuse.rgb);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[3].position.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].quadraticAttenuation,gl_LightSource[3].diffuse.rgb);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[4].position.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].quadraticAttenuation,gl_LightSource[4].diffuse.rgb);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[5].position.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].quadraticAttenuation,gl_LightSource[5].diffuse.rgb);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[6].position.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].quadraticAttenuation,gl_LightSource[6].diffuse.rgb);
-	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, gl_LightSource[7].position.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].quadraticAttenuation,gl_LightSource[7].diffuse.rgb);
+	col.rgb += light_diffuse[1].rgb * calcDirectionalLightSpecular(specularColor, view, norm, light_position[1].xyz,light_diffuse[1].rgb, 1.0);
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[2].xyz, light_attenuation[2].x, light_attenuation[2].y, light_diffuse[2].rgb); 
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[3].xyz, light_attenuation[3].x, light_attenuation[3].y, light_diffuse[3].rgb); 
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[4].xyz, light_attenuation[4].x, light_attenuation[4].y, light_diffuse[4].rgb); 
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[5].xyz, light_attenuation[5].x, light_attenuation[5].y, light_diffuse[5].rgb); 
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[6].xyz, light_attenuation[6].x, light_attenuation[6].y, light_diffuse[6].rgb); 
+	col.rgb += calcPointLightSpecular(specularSum, view, pos, norm, light_position[7].xyz, light_attenuation[7].x, light_attenuation[7].y, light_diffuse[7].rgb); 
 	col.rgb = scaleDownLight(col.rgb);
 						
 	// Add windlight lights
 	col.rgb += atmosAmbient(baseCol.rgb);
-	col.rgb += atmosAffectDirectionalLight(calcDirectionalLightSpecular(specularSum, view, norm, gl_LightSource[0].position.xyz,atmosGetDiffuseSunlightColor()*baseCol.a, 1.0));
+	col.rgb += atmosAffectDirectionalLight(calcDirectionalLightSpecular(specularSum, view, norm, light_position[0].xyz,atmosGetDiffuseSunlightColor()*baseCol.a, 1.0));
 
 	col.rgb = min(col.rgb*color.rgb, 1.0);
 	specularColor.rgb = min(specularColor.rgb*specularSum.rgb, 1.0);
diff --git a/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl b/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
index c31afb6268..dadff40933 100644
--- a/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
+++ b/indra/newview/app_settings/shaders/class3/lighting/sumLightsV.glsl
@@ -32,22 +32,29 @@ vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 scaleDownLight(vec3 light);
 vec3 scaleUpLight(vec3 light);
 
+uniform vec4 light_position[8];
+uniform vec3 light_direction[8];
+uniform vec3 light_attenuation[8]; 
+uniform vec3 light_diffuse[8];
+
 vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 {
 	vec4 col = vec4(0.0, 0.0, 0.0, color.a);
 	
 	// Collect normal lights (need to be divided by two, as we later multiply by 2)
-	col.rgb += gl_LightSource[2].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[2].position, gl_LightSource[2].spotDirection.xyz, gl_LightSource[2].linearAttenuation, gl_LightSource[2].specular.a);
-	col.rgb += gl_LightSource[3].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[3].position, gl_LightSource[3].spotDirection.xyz, gl_LightSource[3].linearAttenuation, gl_LightSource[3].specular.a);
-	col.rgb += gl_LightSource[4].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[4].position, gl_LightSource[4].spotDirection.xyz, gl_LightSource[4].linearAttenuation, gl_LightSource[4].specular.a);
-	col.rgb += gl_LightSource[5].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[5].position, gl_LightSource[5].spotDirection.xyz, gl_LightSource[5].linearAttenuation, gl_LightSource[5].specular.a);
-	col.rgb += gl_LightSource[6].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[6].position, gl_LightSource[6].spotDirection.xyz, gl_LightSource[6].linearAttenuation, gl_LightSource[6].specular.a);
-	col.rgb += gl_LightSource[7].diffuse.rgb*calcPointLightOrSpotLight(pos.xyz, norm, gl_LightSource[7].position, gl_LightSource[7].spotDirection.xyz, gl_LightSource[7].linearAttenuation, gl_LightSource[7].specular.a);
-	col.rgb += gl_LightSource[1].diffuse.rgb*calcDirectionalLight(norm, gl_LightSource[1].position.xyz);
+	
+	// Collect normal lights
+	col.rgb += light_diffuse[2].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[2], light_direction[2], light_attenuation[2].x, light_attenuation[2].z);
+	col.rgb += light_diffuse[3].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[3], light_direction[3], light_attenuation[3].x, light_attenuation[3].z);
+	col.rgb += light_diffuse[4].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[4], light_direction[4], light_attenuation[4].x, light_attenuation[4].z);
+	col.rgb += light_diffuse[5].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[5], light_direction[5], light_attenuation[5].x, light_attenuation[5].z);
+	col.rgb += light_diffuse[6].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[6], light_direction[6], light_attenuation[6].x, light_attenuation[6].z);
+	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].z);
+	col.rgb += light_diffuse[1].rgb*calcDirectionalLight(norm, light_position[1].xyz);
 	col.rgb = scaleDownLight(col.rgb);
 
 	// Add windlight lights
-	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, gl_LightSource[0].position.xyz));
+	col.rgb += atmosAffectDirectionalLight(calcDirectionalLight(norm, light_position[0].xyz));
 	col.rgb += atmosAmbient(baseLight.rgb);
 
 	col.rgb = min(col.rgb*color.rgb, 1.0);