SH-2243 work in progress -- no more deprecated built-in matrix state when using shaders.

17 files changed, 124 insertions, 59 deletions

diff --git a/indra/newview/app_settings/shaders/class2/avatar/eyeballV.glsl b/indra/newview/app_settings/shaders/class2/avatar/eyeballV.glsl
index c0065f0bbe..43e19909d4 100644
--- a/indra/newview/app_settings/shaders/class2/avatar/eyeballV.glsl
+++ b/indra/newview/app_settings/shaders/class2/avatar/eyeballV.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+uniform mat3 normal_matrix;
+uniform mat4 texture_matrix0;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
 
 attribute vec3 position;
 attribute vec4 diffuse_color;
@@ -35,11 +39,11 @@ void calcAtmospherics(vec3 inPositionEye);
 void main()
 {
 	//transform vertex
-	vec3 pos = (gl_ModelViewMatrix * vec4(position.xyz, 1.0)).xyz;
-	gl_Position = gl_ModelViewProjectionMatrix * vec4(position.xyz, 1.0);
-	gl_TexCoord[0] = gl_TextureMatrix[0] * vec4(texcoord0,0,1);
+	vec3 pos = (modelview_matrix * vec4(position.xyz, 1.0)).xyz;
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
+	gl_TexCoord[0] = texture_matrix0 * vec4(texcoord0,0,1);
 		
-	vec3 norm = normalize(gl_NormalMatrix * normal);
+	vec3 norm = normalize(normal_matrix * normal);
 
 	calcAtmospherics(pos.xyz);
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
index 501fcb004b..df4d26997a 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
@@ -21,6 +21,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
+
+uniform mat4 projection_matrix;
+uniform mat4 texture_matrix0;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
  
 attribute vec3 position;
 attribute vec3 normal;
@@ -79,15 +84,15 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 
 void main()
 {
-	gl_TexCoord[0] = gl_TextureMatrix[0] * vec4(texcoord0,0,1);
+	gl_TexCoord[0] = texture_matrix0 * vec4(texcoord0,0,1);
 	
 	mat4 mat = getObjectSkinnedTransform();
 	
-	mat = gl_ModelViewMatrix * mat;
+	mat = modelview_matrix * mat;
 	
 	vec3 pos = (mat*vec4(position, 1.0)).xyz;
 	
-	gl_Position = gl_ProjectionMatrix * vec4(pos, 1.0);
+	gl_Position = projection_matrix * vec4(pos, 1.0);
 	
 	vec4 n = vec4(position, 1.0);
 	n.xyz += normal.xyz;
@@ -128,7 +133,7 @@ void main()
 
 	gl_FogFragCoord = pos.z;
 	
-	pos.xyz = (gl_ModelViewProjectionMatrix * vec4(position.xyz, 1.0)).xyz;
+	pos.xyz = (modelview_projection_matrix * vec4(position.xyz, 1.0)).xyz;
 	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
 	
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index b0ae0107fb..996203ffd6 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -22,7 +22,12 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+uniform mat3 normal_matrix;
+uniform mat4 texture_matrix0;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
+
 attribute vec4 position;
 attribute vec3 normal;
 attribute vec4 diffuse_color;
@@ -84,12 +89,12 @@ void main()
 	//transform vertex
 	vec4 vert = vec4(position.xyz, 1.0);
 	vary_texture_index = position.w;
-	vec4 pos = (gl_ModelViewMatrix * vert);
-	gl_Position = gl_ModelViewProjectionMatrix*vec4(position.xyz, 1.0);
+	vec4 pos = (modelview_matrix * vert);
+	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
-	gl_TexCoord[0] = gl_TextureMatrix[0] * vec4(texcoord0,0,1);
+	gl_TexCoord[0] = texture_matrix0 * vec4(texcoord0,0,1);
 		
-	vec3 norm = normalize(gl_NormalMatrix * normal);
+	vec3 norm = normalize(normal_matrix * normal);
 	
 	float dp_directional_light = max(0.0, dot(norm, gl_LightSource[0].position.xyz));
 	vary_position = pos.xyz + gl_LightSource[0].position.xyz * (1.0-dp_directional_light)*shadow_offset;
@@ -123,7 +128,7 @@ void main()
 
 	gl_FogFragCoord = pos.z;
 	
-	pos = gl_ModelViewProjectionMatrix * vert;
+	pos = modelview_projection_matrix * vert;
 	vary_fragcoord.xyz = pos.xyz + vec3(0,0,near_clip);
 	
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
index f35af53f95..3e35675784 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
@@ -23,6 +23,7 @@
  * $/LicenseInfo$
  */
  
+uniform mat4 projection_matrix;
 
 attribute vec3 position;
 attribute vec3 normal;
@@ -99,7 +100,7 @@ void main()
 	norm.z = dot(trans[2].xyz, normal);
 	norm = normalize(norm);
 		
-	gl_Position = gl_ProjectionMatrix * pos;
+	gl_Position = projection_matrix * pos;
 	
 	float dp_directional_light = max(0.0, dot(norm, gl_LightSource[0].position.xyz));
 	vary_position = pos.xyz + gl_LightSource[0].position.xyz * (1.0-dp_directional_light)*shadow_offset;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/edgeV.glsl b/indra/newview/app_settings/shaders/class2/deferred/edgeV.glsl
index 964f12afcf..1f5470db3c 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/edgeV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/edgeV.glsl
@@ -23,6 +23,7 @@
  * $/LicenseInfo$
  */
  
+uniform mat4 modelview_projection_matrix;
 
 attribute vec3 position;
 
@@ -32,7 +33,7 @@ uniform vec2 screen_res;
 void main()
 {
 	//transform vertex
-	vec4 pos = gl_ModelViewProjectionMatrix * vec4(position.xyz, 1.0);
+	vec4 pos = modelview_projection_matrix * vec4(position.xyz, 1.0);
 	gl_Position = pos; 
 	vary_fragcoord = (pos.xy*0.5+0.5)*screen_res;
 }
diff --git a/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl b/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl
index e52edcba41..424299269f 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/softenLightV.glsl
@@ -22,7 +22,8 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+uniform mat4 modelview_projection_matrix;
 
 attribute vec3 position;
 
@@ -33,7 +34,7 @@ varying vec2 vary_fragcoord;
 void main()
 {
 	//transform vertex
-	vec4 pos = gl_ModelViewProjectionMatrix * vec4(position.xyz, 1.0);
+	vec4 pos = modelview_projection_matrix * vec4(position.xyz, 1.0);
 	gl_Position = pos; 
 	
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightV.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightV.glsl
index 2cf7375d4d..60ba2d7ad4 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightV.glsl
@@ -22,7 +22,9 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+uniform mat4 modelview_projection_matrix;
+
 attribute vec3 position;
 
 varying vec2 vary_fragcoord;
@@ -32,7 +34,7 @@ uniform vec2 screen_res;
 void main()
 {
 	//transform vertex
-	vec4 pos = gl_ModelViewProjectionMatrix * vec4(position.xyz, 1.0);
+	vec4 pos = modelview_projection_matrix * vec4(position.xyz, 1.0);
 	gl_Position = pos; 
 	
 	vary_fragcoord = (pos.xy * 0.5 + 0.5)*screen_res;	
diff --git a/indra/newview/app_settings/shaders/class2/effects/blurV.glsl b/indra/newview/app_settings/shaders/class2/effects/blurV.glsl
index 556e131d34..4fd4b101ff 100644
--- a/indra/newview/app_settings/shaders/class2/effects/blurV.glsl
+++ b/indra/newview/app_settings/shaders/class2/effects/blurV.glsl
@@ -22,7 +22,8 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+uniform mat4 modelview_projection_matrix;
 
 attribute vec3 position;
 attribute vec2 texcoord0;
@@ -34,7 +35,7 @@ uniform float blurWidth;
 void main(void)
 {
 	// Transform vertex
-	gl_Position = gl_ModelViewProjectionMatrix * vec4(position.xyz, 1.0);
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 	
 	vec2 blurDelta = texelSize * blurDirection * vec2(blurWidth, blurWidth);
 	vec2 s = vec4(texcoord0,0,1).st - (blurDelta * 3.0);
diff --git a/indra/newview/app_settings/shaders/class2/effects/drawQuadV.glsl b/indra/newview/app_settings/shaders/class2/effects/drawQuadV.glsl
index fbb87b6578..d3c93ab05f 100644
--- a/indra/newview/app_settings/shaders/class2/effects/drawQuadV.glsl
+++ b/indra/newview/app_settings/shaders/class2/effects/drawQuadV.glsl
@@ -22,7 +22,8 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+uniform mat4 modelview_projection_matrix;
 
 attribute vec3 position;
 attribute vec2 texcoord0;
@@ -32,7 +33,7 @@ attribute vec2 texcoord1;
 void main(void)
 {
 	//transform vertex
-	gl_Position = gl_ModelViewProjectionMatrix * vec4(position.xyz, 1.0);
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 	gl_TexCoord[0] = vec4(texcoord0,0,1);
 	gl_TexCoord[1] = vec4(texcoord1,0,1);
 }
diff --git a/indra/newview/app_settings/shaders/class2/environment/terrainV.glsl b/indra/newview/app_settings/shaders/class2/environment/terrainV.glsl
index 1a7edbd61b..69f4d4ae45 100644
--- a/indra/newview/app_settings/shaders/class2/environment/terrainV.glsl
+++ b/indra/newview/app_settings/shaders/class2/environment/terrainV.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+uniform mat3 normal_matrix;
+uniform mat4 texture_matrix0;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
 
 attribute vec3 position;
 attribute vec3 normal;
@@ -52,10 +56,10 @@ vec4 texgen_object(vec4  vpos, vec4 tc, mat4 mat, vec4 tp0, vec4 tp1)
 void main()
 {
 	//transform vertex
-	gl_Position = gl_ModelViewProjectionMatrix * vec4(position.xyz, 1.0);
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 
-	vec4 pos = gl_ModelViewMatrix * vec4(position.xyz, 1.0);
-	vec3 norm = normalize(gl_NormalMatrix * normal);
+	vec4 pos = modelview_matrix * vec4(position.xyz, 1.0);
+	vec3 norm = normalize(normal_matrix * normal);
 
 	calcAtmospherics(pos.xyz);
 
@@ -67,7 +71,7 @@ void main()
 	gl_FrontColor = color;
 
 	// Transform and pass tex coords
- 	gl_TexCoord[0].xy = texgen_object(vec4(position.xyz, 1.0), vec4(texcoord0,0,1), gl_TextureMatrix[0], gl_ObjectPlaneS[0], gl_ObjectPlaneT[0]).xy;
+ 	gl_TexCoord[0].xy = texgen_object(vec4(position.xyz, 1.0), vec4(texcoord0,0,1), texture_matrix0, gl_ObjectPlaneS[0], gl_ObjectPlaneT[0]).xy;
 	
 	vec4 t = vec4(texcoord1,0,1);
 	
diff --git a/indra/newview/app_settings/shaders/class2/objects/fullbrightShinyV.glsl b/indra/newview/app_settings/shaders/class2/objects/fullbrightShinyV.glsl
index 8a88957659..b9eff87a13 100644
--- a/indra/newview/app_settings/shaders/class2/objects/fullbrightShinyV.glsl
+++ b/indra/newview/app_settings/shaders/class2/objects/fullbrightShinyV.glsl
@@ -22,7 +22,12 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+uniform mat3 normal_matrix;
+uniform mat4 texture_matrix0;
+uniform mat4 texture_matrix1;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
 
 
 void calcAtmospherics(vec3 inPositionEye);
@@ -41,14 +46,14 @@ void main()
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
 	vary_texture_index = position.w;
-	vec4 pos = (gl_ModelViewMatrix * vert);
-	gl_Position = gl_ModelViewProjectionMatrix*vec4(position.xyz, 1.0);
+	vec4 pos = (modelview_matrix * vert);
+	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 	
-	vec3 norm = normalize(gl_NormalMatrix * normal);
+	vec3 norm = normalize(normal_matrix * normal);
 	vec3 ref = reflect(pos.xyz, -norm);
 
-	gl_TexCoord[0] = gl_TextureMatrix[0] * vec4(texcoord0,0,1);
-	gl_TexCoord[1] = gl_TextureMatrix[1]*vec4(ref,1.0);
+	gl_TexCoord[0] = texture_matrix0 * vec4(texcoord0,0,1);
+	gl_TexCoord[1] = texture_matrix1*vec4(ref,1.0);
 
 	calcAtmospherics(pos.xyz);
 
diff --git a/indra/newview/app_settings/shaders/class2/objects/fullbrightV.glsl b/indra/newview/app_settings/shaders/class2/objects/fullbrightV.glsl
index f5ff1d1d00..b7f7af7885 100644
--- a/indra/newview/app_settings/shaders/class2/objects/fullbrightV.glsl
+++ b/indra/newview/app_settings/shaders/class2/objects/fullbrightV.glsl
@@ -22,7 +22,10 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+uniform mat4 texture_matrix0;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
  
 attribute vec4 position;
 attribute vec2 texcoord0;
@@ -39,9 +42,9 @@ void main()
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
 	vary_texture_index = position.w;
-	vec4 pos = (gl_ModelViewMatrix * vert);
-	gl_Position = gl_ModelViewProjectionMatrix*vec4(position.xyz, 1.0);
-	gl_TexCoord[0] = gl_TextureMatrix[0] * vec4(texcoord0,0,1);
+	vec4 pos = (modelview_matrix * vert);
+	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
+	gl_TexCoord[0] = texture_matrix0 * vec4(texcoord0,0,1);
 	
 	calcAtmospherics(pos.xyz);
 
diff --git a/indra/newview/app_settings/shaders/class2/objects/shinyV.glsl b/indra/newview/app_settings/shaders/class2/objects/shinyV.glsl
index d6fca4cda7..4511c4bc91 100644
--- a/indra/newview/app_settings/shaders/class2/objects/shinyV.glsl
+++ b/indra/newview/app_settings/shaders/class2/objects/shinyV.glsl
@@ -22,7 +22,12 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+uniform mat3 normal_matrix;
+uniform mat4 texture_matrix0;
+uniform mat4 texture_matrix1;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
 
 attribute vec4 position;
 attribute vec2 texcoord0;
@@ -42,14 +47,14 @@ void main()
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
 	vary_texture_index = position.w;
-	vec4 pos = (gl_ModelViewMatrix * vert);
-	gl_Position = gl_ModelViewProjectionMatrix*vec4(position.xyz, 1.0);
+	vec4 pos = (modelview_matrix * vert);
+	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
 		
-	vec3 norm = normalize(gl_NormalMatrix * normal);
+	vec3 norm = normalize(normal_matrix * normal);
 	vec3 ref = reflect(pos.xyz, -norm);
 
-	gl_TexCoord[0] = gl_TextureMatrix[0] * vec4(texcoord0,0,1);
-	gl_TexCoord[1] = gl_TextureMatrix[1]*vec4(ref,1.0);
+	gl_TexCoord[0] = texture_matrix0 * vec4(texcoord0,0,1);
+	gl_TexCoord[1] = texture_matrix1*vec4(ref,1.0);
 
 	calcAtmospherics(pos.xyz);
 
diff --git a/indra/newview/app_settings/shaders/class2/objects/simpleNonIndexedV.glsl b/indra/newview/app_settings/shaders/class2/objects/simpleNonIndexedV.glsl
index d2a83c9724..5f78495ae3 100644
--- a/indra/newview/app_settings/shaders/class2/objects/simpleNonIndexedV.glsl
+++ b/indra/newview/app_settings/shaders/class2/objects/simpleNonIndexedV.glsl
@@ -2,10 +2,31 @@
  * @file simpleNonIndexedV.glsl
  *
  * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
 
+uniform mat3 normal_matrix;
+uniform mat4 texture_matrix0;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
 
 attribute vec3 position;
 attribute vec2 texcoord0;
@@ -20,12 +41,12 @@ void main()
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
 	
-	gl_Position = gl_ModelViewProjectionMatrix*vert;
-	gl_TexCoord[0] = gl_TextureMatrix[0] * vec4(texcoord0, 0, 1);
+	gl_Position = modelview_projection_matrix*vert;
+	gl_TexCoord[0] = texture_matrix0 * vec4(texcoord0, 0, 1);
 	
-	vec4 pos = (gl_ModelViewMatrix * vert);
+	vec4 pos = (modelview_matrix * vert);
 	
-	vec3 norm = normalize(gl_NormalMatrix * normal);
+	vec3 norm = normalize(normal_matrix * normal);
 
 	calcAtmospherics(pos.xyz);
 
diff --git a/indra/newview/app_settings/shaders/class2/objects/simpleV.glsl b/indra/newview/app_settings/shaders/class2/objects/simpleV.glsl
index c2db1e1949..91ee5e016e 100644
--- a/indra/newview/app_settings/shaders/class2/objects/simpleV.glsl
+++ b/indra/newview/app_settings/shaders/class2/objects/simpleV.glsl
@@ -22,8 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
 
+uniform mat3 normal_matrix;
+uniform mat4 texture_matrix0;
+uniform mat4 modelview_matrix;
+uniform mat4 modelview_projection_matrix;
 
 attribute vec4 position;
 attribute vec2 texcoord0;
@@ -40,13 +43,13 @@ void main()
 	//transform vertex
 	vec4 vert = vec4(position.xyz,1.0);
 	vary_texture_index = position.w;
-	vec4 pos = (gl_ModelViewMatrix * vert);
-	gl_Position = gl_ModelViewProjectionMatrix*vec4(position.xyz, 1.0);
-	gl_TexCoord[0] = gl_TextureMatrix[0] * vec4(texcoord0, 0, 1);
+	vec4 pos = (modelview_matrix * vert);
+	gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
+	gl_TexCoord[0] = texture_matrix0 * vec4(texcoord0, 0, 1);
 	
 	
 	
-	vec3 norm = normalize(gl_NormalMatrix * normal);
+	vec3 norm = normalize(normal_matrix * normal);
 
 	calcAtmospherics(pos.xyz);
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
index 297b3904a6..67b5e7fb83 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/cloudsV.glsl
@@ -22,7 +22,9 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+uniform mat4 modelview_projection_matrix;
+
 attribute vec3 position;
 attribute vec2 texcoord0;
 
@@ -60,7 +62,7 @@ void main()
 {
 
 	// World / view / projection
-	gl_Position = gl_ModelViewProjectionMatrix * vec4(position.xyz, 1.0);
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 
 	gl_TexCoord[0] = vec4(texcoord0,0,1);
 
diff --git a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl
index 84e1f827d6..50fdba64c2 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/skyV.glsl
@@ -23,6 +23,7 @@
  * $/LicenseInfo$
  */
  
+uniform mat4 modelview_projection_matrix;
 
 attribute vec3 position;
 attribute vec2 texcoord0;
@@ -59,7 +60,7 @@ void main()
 {
 
 	// World / view / projection
-	gl_Position = gl_ModelViewProjectionMatrix * vec4(position.xyz, 1.0);
+	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
 	gl_TexCoord[0] = vec4(texcoord0,0,1);
 
 	// Get relative position