SH-2507 Potential fix for basic shaders causing objects to disappear with some drivers (prune shader tree of unused shaders while we're at it)

10 files changed, 123 insertions, 68 deletions

diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightF.glsl
index 8274a655db..735f5b3813 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightF.glsl
@@ -22,7 +22,7 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
 #ifdef DEFINE_GL_FRAGCOLOR
 out vec4 gl_FragColor;
 #endif
@@ -30,11 +30,17 @@ out vec4 gl_FragColor;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
-uniform sampler2D diffuseMap;
+vec3 atmosLighting(vec3 light);
+vec3 scaleSoftClip(vec3 light);
 
 void default_lighting() 
 {
-	vec4 color = vertex_color * texture2D(diffuseMap, vary_texcoord0.xy);
+	vec4 color = diffuseLookup(vary_texcoord0.xy) * vertex_color;
+	
+	color.rgb = atmosLighting(color.rgb);
+
+	color.rgb = scaleSoftClip(color.rgb);
+
 	gl_FragColor = color;
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl
index ec7ec9ae7d..c3edc0bd70 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl
@@ -22,18 +22,25 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
 #ifdef DEFINE_GL_FRAGCOLOR
 out vec4 gl_FragColor;
 #endif
 
-
-uniform sampler2D diffuseMap;
-
+VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
+vec3 fullbrightAtmosTransport(vec3 light);
+vec3 fullbrightScaleSoftClip(vec3 light);
+
 void fullbright_lighting()
 {
-	gl_FragColor = texture2D(diffuseMap, vary_texcoord0.xy);
+	vec4 color = diffuseLookup(vary_texcoord0.xy) * vertex_color;
+	
+	color.rgb = fullbrightAtmosTransport(color.rgb);
+	
+	color.rgb = fullbrightScaleSoftClip(color.rgb);
+
+	gl_FragColor = color;
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyF.glsl
index d47d1724a7..c981e9eba2 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyF.glsl
@@ -22,18 +22,34 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
 #ifdef DEFINE_GL_FRAGCOLOR
 out vec4 gl_FragColor;
 #endif
 
+VARYING vec4 vertex_color;
+VARYING vec2 vary_texcoord0;
+VARYING vec3 vary_texcoord1;
 
-uniform sampler2D diffuseMap;
 uniform samplerCube environmentMap;
 
-VARYING vec2 vary_texcoord0;
+vec3 fullbrightShinyAtmosTransport(vec3 light);
+vec3 fullbrightScaleSoftClip(vec3 light);
 
-void fullbright_shiny_lighting() 
+void fullbright_shiny_lighting()
 {
-	gl_FragColor = texture2D(diffuseMap, vary_texcoord0.xy);
+	vec4 color = diffuseLookup(vary_texcoord0.xy);
+	color.rgb *= vertex_color.rgb;
+	
+	vec3 envColor = textureCube(environmentMap, vary_texcoord1.xyz).rgb;	
+	color.rgb = mix(color.rgb, envColor.rgb, vertex_color.a);
+
+	color.rgb = fullbrightShinyAtmosTransport(color.rgb);
+
+	color.rgb = fullbrightScaleSoftClip(color.rgb);
+
+	color.a = max(color.a, vertex_color.a);
+
+	gl_FragColor = color;
 }
+
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyWaterF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyWaterF.glsl
index bd67e2659e..c10cde98e0 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyWaterF.glsl
@@ -21,18 +21,33 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
-
+ 
 #ifdef DEFINE_GL_FRAGCOLOR
 out vec4 gl_FragColor;
-#endif 
+#endif
 
+VARYING vec4 vertex_color;
+VARYING vec2 vary_texcoord0;
+VARYING vec3 vary_texcoord1;
 
-uniform sampler2D diffuseMap;
 uniform samplerCube environmentMap;
 
-VARYING vec2 vary_texcoord0;
+vec3 fullbrightShinyAtmosTransport(vec3 light);
+vec3 fullbrightScaleSoftClip(vec3 light);
+vec4 applyWaterFog(vec4 color);
 
-void fullbright_shiny_lighting_water() 
+void fullbright_shiny_lighting_water()
 {
-	gl_FragColor = texture2D(diffuseMap, vary_texcoord0.xy);
+	vec4 color = diffuseLookup(vary_texcoord0.xy);
+	color.rgb *= vertex_color.rgb;
+	
+	vec3 envColor = textureCube(environmentMap, vary_texcoord1.xyz).rgb;	
+	color.rgb = mix(color.rgb, envColor.rgb, vertex_color.a);
+
+	color.rgb = fullbrightShinyAtmosTransport(color.rgb);
+	color.rgb = fullbrightScaleSoftClip(color.rgb);
+	color.a = max(color.a, vertex_color.a);
+
+	gl_FragColor = applyWaterFog(color);
 }
+
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightWaterF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightWaterF.glsl
index 0cf5152661..2547f9e750 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightWaterF.glsl
@@ -27,12 +27,20 @@
 out vec4 gl_FragColor;
 #endif
 
-uniform sampler2D diffuseMap;
-
+VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
+vec4 diffuseLookup(vec2 texcoord);
+
+vec3 fullbrightAtmosTransport(vec3 light);
+vec4 applyWaterFog(vec4 color);
+
 void fullbright_lighting_water()
 {
-	gl_FragColor = texture2D(diffuseMap, vary_texcoord0.xy);
+	vec4 color = diffuseLookup(vary_texcoord0.xy) * vertex_color;
+
+	color.rgb = fullbrightAtmosTransport(color.rgb);
+	
+	gl_FragColor = applyWaterFog(color);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightShinyF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightShinyF.glsl
index 761bda487d..e9c27dbefd 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightShinyF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightShinyF.glsl
@@ -29,13 +29,26 @@ out vec4 gl_FragColor;
 
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
+VARYING vec3 vary_texcoord1;
 
-uniform sampler2D diffuseMap;
 uniform samplerCube environmentMap;
 
-void shiny_lighting() 
+vec3 scaleSoftClip(vec3 light);
+vec3 atmosLighting(vec3 light);
+vec4 applyWaterFog(vec4 color);
+
+void shiny_lighting()
 {
-	vec4 color = vertex_color * texture2D(diffuseMap, vary_texcoord0.xy);
+	vec4 color = diffuseLookup(vary_texcoord0.xy);
+	color.rgb *= vertex_color.rgb;
+	
+	vec3 envColor = textureCube(environmentMap, vary_texcoord1.xyz).rgb;	
+	color.rgb = mix(color.rgb, envColor.rgb, vertex_color.a);
+
+	color.rgb = atmosLighting(color.rgb);
+
+	color.rgb = scaleSoftClip(color.rgb);
+	color.a = max(color.a, vertex_color.a);
 	gl_FragColor = color;
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightShinyWaterF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightShinyWaterF.glsl
index 6761d35316..68c727d62c 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightShinyWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightShinyWaterF.glsl
@@ -29,13 +29,23 @@ out vec4 gl_FragColor;
 
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
+VARYING vec3 vary_texcoord1;
 
-uniform sampler2D diffuseMap;
 uniform samplerCube environmentMap;
 
-void shiny_lighting_water() 
+vec3 atmosLighting(vec3 light);
+vec4 applyWaterFog(vec4 color);
+
+void shiny_lighting_water()
 {
-	vec4 color = vertex_color * texture2D(diffuseMap, vary_texcoord0.xy);
-	gl_FragColor = color;
+	vec4 color = diffuseLookup(vary_texcoord0.xy);
+	color.rgb *= vertex_color.rgb;
+	
+	vec3 envColor = textureCube(environmentMap, vary_texcoord1.xyz).rgb;	
+	color.rgb = mix(color.rgb, envColor.rgb, vertex_color.a);
+
+	color.rgb = atmosLighting(color.rgb);
+	color.a = max(color.a, vertex_color.a);
+	gl_FragColor = applyWaterFog(color);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightSpecularV.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightSpecularV.glsl
index 265d548ce9..24bf9b3cee 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightSpecularV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightSpecularV.glsl
@@ -1,5 +1,5 @@
 /** 
- * @file lightV.glsl
+ * @file lightSpecularV.glsl
  *
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
  * Second Life Viewer Source Code
@@ -24,26 +24,13 @@
  */
  
 
-uniform vec4 light_position[8];
-uniform vec3 light_diffuse[8];
-uniform vec4 light_ambient;
 
-float calcDirectionalLight(vec3 n, vec3 l);
+// All lights, no specular highlights
+
+vec4 sumLightsSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor, vec4 baseCol);
 
-// Same as non-specular lighting in lightV.glsl
 vec4 calcLightingSpecular(vec3 pos, vec3 norm, vec4 color, inout vec4 specularColor, vec4 baseCol)
 {
-	specularColor.rgb = vec3(0.0, 0.0, 0.0);
-	vec4 col;
-	col.a = color.a;
-
-	col.rgb = baseCol.rgb + light_ambient.rgb;
-
-	col.rgb += light_diffuse[0].rgb*calcDirectionalLight(norm, light_position[0].xyz);
-	col.rgb += light_diffuse[1].rgb*calcDirectionalLight(norm, light_position[1].xyz);
-
-	col.rgb = min(col.rgb*color.rgb, 1.0);
-
-	return col;	
+	return sumLightsSpecular(pos, norm, color, specularColor, baseCol);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl
index b886f97743..8045809b82 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightV.glsl
@@ -24,24 +24,13 @@
  */
  
 
-uniform vec4 light_position[8];
-uniform vec3 light_diffuse[8];
-uniform vec4 light_ambient;
 
-float calcDirectionalLight(vec3 n, vec3 l);
+// All lights, no specular highlights
+
+vec4 sumLights(vec3 pos, vec3 norm, vec4 color, vec4 baseLight);
 
 vec4 calcLighting(vec3 pos, vec3 norm, vec4 color, vec4 baseLight)
 {
-	vec4 col;
-	col.a = color.a;
-	
-	col.rgb = baseLight.rgb+light_ambient.rgb;  
-	
-	col.rgb += light_diffuse[0].rgb*calcDirectionalLight(norm, light_position[0].xyz);
-	col.rgb += light_diffuse[1].rgb*calcDirectionalLight(norm, light_position[1].xyz);
-						
-	col.rgb = min(col.rgb*color.rgb, 1.0);
-	
-	return col;	
+	return sumLights(pos, norm, color, baseLight);
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightWaterF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightWaterF.glsl
index 2908d77443..e9537d1e9d 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightWaterF.glsl
@@ -25,16 +25,20 @@
 
 #ifdef DEFINE_GL_FRAGCOLOR
 out vec4 gl_FragColor;
-#endif
- 
+#endif 
+
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
-uniform sampler2D diffuseMap;
+vec3 atmosLighting(vec3 light);
+vec4 applyWaterFog(vec4 color);
 
-void default_lighting_water() 
+void default_lighting_water()
 {
-	vec4 color = vertex_color * texture2D(diffuseMap, vary_texcoord0.xy);
-	gl_FragColor = color;
+	vec4 color = diffuseLookup(vary_texcoord0.xy) * vertex_color;
+
+	color.rgb = atmosLighting(color.rgb);
+
+	gl_FragColor = applyWaterFog(color);
 }