SH-2908 Rework indexed texture rendering to use a uvec4 instead of a float for texture indices in the data stream. Also rework gl_FragColor overrides to not collide with some odd driver implementations.

12 files changed, 48 insertions, 24 deletions

diff --git a/indra/newview/app_settings/shaders/class1/interface/alphamaskF.glsl b/indra/newview/app_settings/shaders/class1/interface/alphamaskF.glsl
index d2f5e1987a..e8b8513bd1 100644
--- a/indra/newview/app_settings/shaders/class1/interface/alphamaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/alphamaskF.glsl
@@ -24,7 +24,9 @@
  */
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 uniform sampler2D diffuseMap;
@@ -42,5 +44,5 @@ void main()
 		discard;
 	}
 
-	gl_FragColor = col;
+	frag_color = col;
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/customalphaF.glsl b/indra/newview/app_settings/shaders/class1/interface/customalphaF.glsl
index 4b481ba834..b990ce9f03 100644
--- a/indra/newview/app_settings/shaders/class1/interface/customalphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/customalphaF.glsl
@@ -24,7 +24,9 @@
  */
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 uniform sampler2D diffuseMap;
@@ -38,5 +40,5 @@ void main()
 {
 	vec4 color = vertex_color*texture2D(diffuseMap, vary_texcoord0.xy);
 	color.a *= custom_alpha;
-	gl_FragColor = color;
+	frag_color = color;
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/debugF.glsl b/indra/newview/app_settings/shaders/class1/interface/debugF.glsl
index 6bcc97ba18..ad05f17a30 100644
--- a/indra/newview/app_settings/shaders/class1/interface/debugF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/debugF.glsl
@@ -24,12 +24,14 @@
  */
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 uniform vec4 color;
 
 void main() 
 {
-	gl_FragColor = color;
+	frag_color = color;
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/glowcombineF.glsl b/indra/newview/app_settings/shaders/class1/interface/glowcombineF.glsl
index f67703b839..7e4515db40 100644
--- a/indra/newview/app_settings/shaders/class1/interface/glowcombineF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/glowcombineF.glsl
@@ -24,7 +24,9 @@
  */
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 #extension GL_ARB_texture_rectangle : enable
@@ -37,6 +39,6 @@ VARYING vec2 vary_texcoord1;
 
 void main() 
 {
-	gl_FragColor = texture2D(glowMap, vary_texcoord0.xy) +
+	frag_color = texture2D(glowMap, vary_texcoord0.xy) +
 					texture2DRect(screenMap, vary_texcoord1.xy);
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/glowcombineFXAAF.glsl b/indra/newview/app_settings/shaders/class1/interface/glowcombineFXAAF.glsl
index c66a6e5b48..5a5894523d 100644
--- a/indra/newview/app_settings/shaders/class1/interface/glowcombineFXAAF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/glowcombineFXAAF.glsl
@@ -26,7 +26,9 @@
 #extension GL_ARB_texture_rectangle : enable
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 uniform sampler2DRect diffuseRect;
@@ -38,5 +40,5 @@ void main()
 {
 	vec3 col = texture2DRect(diffuseRect, vary_tc*screen_res).rgb;
 	
-	gl_FragColor = vec4(col.rgb, dot(col.rgb, vec3(0.299, 0.587, 0.144)));
+	frag_color = vec4(col.rgb, dot(col.rgb, vec3(0.299, 0.587, 0.144)));
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/highlightF.glsl b/indra/newview/app_settings/shaders/class1/interface/highlightF.glsl
index ecbc30f05f..d1d140d2a6 100644
--- a/indra/newview/app_settings/shaders/class1/interface/highlightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/highlightF.glsl
@@ -24,7 +24,9 @@
  */
  
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 uniform vec4 color;
@@ -34,5 +36,5 @@ VARYING vec2 vary_texcoord0;
 
 void main() 
 {
-	gl_FragColor = color*texture2D(diffuseMap, vary_texcoord0.xy);
+	frag_color = color*texture2D(diffuseMap, vary_texcoord0.xy);
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/occlusionF.glsl b/indra/newview/app_settings/shaders/class1/interface/occlusionF.glsl
index 85f819f4c2..a18a3cdb50 100644
--- a/indra/newview/app_settings/shaders/class1/interface/occlusionF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/occlusionF.glsl
@@ -24,10 +24,12 @@
  */
  
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 void main() 
 {
-	gl_FragColor = vec4(1,1,1,1);
+	frag_color = vec4(1,1,1,1);
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/onetexturenocolorF.glsl b/indra/newview/app_settings/shaders/class1/interface/onetexturenocolorF.glsl
index fafeb5a7b4..bfaa4774d9 100644
--- a/indra/newview/app_settings/shaders/class1/interface/onetexturenocolorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/onetexturenocolorF.glsl
@@ -24,7 +24,9 @@
  */
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 uniform sampler2D tex0;
@@ -33,5 +35,5 @@ VARYING vec2 vary_texcoord0;
 
 void main() 
 {
-	gl_FragColor = texture2D(tex0, vary_texcoord0.xy);
+	frag_color = texture2D(tex0, vary_texcoord0.xy);
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/solidcolorF.glsl b/indra/newview/app_settings/shaders/class1/interface/solidcolorF.glsl
index f790122749..5d7edf33a9 100644
--- a/indra/newview/app_settings/shaders/class1/interface/solidcolorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/solidcolorF.glsl
@@ -24,7 +24,9 @@
  */
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 uniform sampler2D tex0;
@@ -36,5 +38,5 @@ void main()
 {
 	float alpha = texture2D(tex0, vary_texcoord0.xy).a * vertex_color.a;
 
-	gl_FragColor = vec4(vertex_color.rgb, alpha);
+	frag_color = vec4(vertex_color.rgb, alpha);
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/splattexturerectF.glsl b/indra/newview/app_settings/shaders/class1/interface/splattexturerectF.glsl
index a0bb255cfa..7a28ca847a 100644
--- a/indra/newview/app_settings/shaders/class1/interface/splattexturerectF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/splattexturerectF.glsl
@@ -26,7 +26,9 @@
 #extension GL_ARB_texture_rectangle : enable
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 uniform sampler2DRect screenMap;
@@ -36,5 +38,5 @@ VARYING vec2 vary_texcoord0;
 
 void main() 
 {
-	gl_FragColor = 	texture2DRect(screenMap, vary_texcoord0.xy) * vertex_color;
+	frag_color = 	texture2DRect(screenMap, vary_texcoord0.xy) * vertex_color;
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/twotextureaddF.glsl b/indra/newview/app_settings/shaders/class1/interface/twotextureaddF.glsl
index cdb48163dd..73a5839028 100644
--- a/indra/newview/app_settings/shaders/class1/interface/twotextureaddF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/twotextureaddF.glsl
@@ -24,7 +24,9 @@
  */
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 uniform sampler2D tex0;
@@ -35,5 +37,5 @@ VARYING vec2 vary_texcoord1;
 
 void main() 
 {
-	gl_FragColor = texture2D(tex0, vary_texcoord0.xy)+texture2D(tex1, vary_texcoord1.xy);
+	frag_color = texture2D(tex0, vary_texcoord0.xy)+texture2D(tex1, vary_texcoord1.xy);
 }
diff --git a/indra/newview/app_settings/shaders/class1/interface/uiF.glsl b/indra/newview/app_settings/shaders/class1/interface/uiF.glsl
index 36d6e06fc5..8fac2862b1 100644
--- a/indra/newview/app_settings/shaders/class1/interface/uiF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/uiF.glsl
@@ -24,7 +24,9 @@
  */
 
 #ifdef DEFINE_GL_FRAGCOLOR
-out vec4 gl_FragColor;
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor;
 #endif
 
 uniform sampler2D diffuseMap;
@@ -34,5 +36,5 @@ VARYING vec4 vertex_color;
 
 void main() 
 {
-	gl_FragColor = vertex_color*texture2D(diffuseMap, vary_texcoord0.xy);
+	frag_color = vertex_color*texture2D(diffuseMap, vary_texcoord0.xy);
 }