SH-2507 Shave some unused/redundant varying state and make the max texture index debug setting rebuild shaders to use no flow control when set to 1 or lower

7 files changed, 24 insertions, 23 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
index 15781bc92d..b09441f7eb 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
@@ -49,7 +49,7 @@ VARYING vec3 vary_fragcoord;
 VARYING vec3 vary_pointlight_col;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
-VARYING float fog_depth;
+
 
 uniform float near_clip;
 
@@ -135,7 +135,7 @@ void main()
 	
 	vertex_color = col;
 
-	fog_depth = pos.z;
+	
 	
 	vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index 74ee082bed..93b1a114db 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -29,7 +29,7 @@ uniform mat4 modelview_matrix;
 uniform mat4 modelview_projection_matrix;
 
 ATTRIBUTE vec3 position;
-ATTRIBUTE float texture_index;
+void passTextureIndex();
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec2 texcoord0;
@@ -50,10 +50,10 @@ VARYING vec3 vary_fragcoord;
 VARYING vec3 vary_position;
 VARYING vec3 vary_light;
 VARYING vec3 vary_pointlight_col;
-VARYING float vary_texture_index;
+
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
-VARYING float fog_depth;
+
 
 uniform float near_clip;
 uniform float shadow_offset;
@@ -98,7 +98,7 @@ void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz, 1.0);
-	vary_texture_index = texture_index;
+	passTextureIndex();
 	vec4 pos = (modelview_matrix * vert);
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
@@ -138,7 +138,7 @@ void main()
 	
 	vertex_color = col;
 
-	fog_depth = pos.z;
+	
 	
 	pos = modelview_projection_matrix * vert;
 	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
index 12e88ca5dd..acbc3f7e15 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
@@ -48,7 +48,7 @@ VARYING vec3 vary_fragcoord;
 VARYING vec3 vary_pointlight_col;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
-VARYING float fog_depth;
+
 
 uniform float near_clip;
 
@@ -137,7 +137,7 @@ void main()
 	
 	vertex_color = col;
 
-	fog_depth = pos.z;
+	
 	
 	vary_fragcoord.xyz = frag_pos.xyz + vec3(0,0,near_clip);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseNoColorV.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseNoColorV.glsl
index 7ed41cbcb9..9461e3e32e 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseNoColorV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseNoColorV.glsl
@@ -32,7 +32,7 @@ ATTRIBUTE vec3 normal;
 ATTRIBUTE vec2 texcoord0;
 
 VARYING vec3 vary_normal;
-VARYING float vary_texture_index;
+
 VARYING vec2 vary_texcoord0;
 
 void main()
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
index 908f3abcd0..76d29b1df7 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseV.glsl
@@ -28,23 +28,24 @@ uniform mat4 texture_matrix0;
 uniform mat4 modelview_projection_matrix;
 
 ATTRIBUTE vec3 position;
-ATTRIBUTE float texture_index;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec3 normal;
 ATTRIBUTE vec2 texcoord0;
 
 VARYING vec3 vary_normal;
-VARYING float vary_texture_index;
+
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
+void passTextureIndex();
+
 void main()
 {
 	//transform vertex
 	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0); 
 	vary_texcoord0 = (texture_matrix0 * vec4(texcoord0,0,1)).xy;
 	
-	vary_texture_index = texture_index;
+	passTextureIndex();
 	vary_normal = normalize(normal_matrix * normal);
 
 	vertex_color = diffuse_color;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl b/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl
index 7b108e4562..115b04797f 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/emissiveV.glsl
@@ -28,7 +28,7 @@ uniform mat4 modelview_matrix;
 uniform mat4 modelview_projection_matrix;
 
 ATTRIBUTE vec3 position;
-ATTRIBUTE float texture_index;
+void passTextureIndex();
 ATTRIBUTE vec4 emissive;
 ATTRIBUTE vec2 texcoord0;
 
@@ -39,17 +39,17 @@ vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 scaleDownLight(vec3 light);
 vec3 scaleUpLight(vec3 light);
 
-VARYING float vary_texture_index;
+
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
-VARYING float fog_depth;
+
 
 void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz, 1.0);
 	vec4 pos = (modelview_matrix * vert);
-	vary_texture_index = texture_index;
+	passTextureIndex();
 
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
@@ -59,5 +59,5 @@ void main()
 	
 	vertex_color = emissive;
 
-	fog_depth = pos.z;
+	
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
index ab638991f7..2e6982d101 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightV.glsl
@@ -29,7 +29,7 @@ uniform mat4 modelview_projection_matrix;
 
 
 ATTRIBUTE vec3 position;
-ATTRIBUTE float texture_index;
+void passTextureIndex();
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec2 texcoord0;
 
@@ -40,17 +40,17 @@ vec3 atmosAffectDirectionalLight(float lightIntensity);
 vec3 scaleDownLight(vec3 light);
 vec3 scaleUpLight(vec3 light);
 
-VARYING float vary_texture_index;
+
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
-VARYING float fog_depth;
+
 
 void main()
 {
 	//transform vertex
 	vec4 vert = vec4(position.xyz, 1.0);
 	vec4 pos = (modelview_matrix * vert);
-	vary_texture_index = texture_index;
+	passTextureIndex();
 
 	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
@@ -60,5 +60,5 @@ void main()
 	
 	vertex_color = diffuse_color;
 
-	fog_depth = pos.z;
+	
 }