SH-2243 work in progress -- don't use gl_FragColor or gl_FragData for outputs -- no more deprecation warnings on nvidia

69 files changed, 272 insertions, 85 deletions

diff --git a/indra/newview/app_settings/shaders/class1/avatar/pickAvatarF.glsl b/indra/newview/app_settings/shaders/class1/avatar/pickAvatarF.glsl
index a64f6ea55c..a009d0dd86 100644
--- a/indra/newview/app_settings/shaders/class1/avatar/pickAvatarF.glsl
+++ b/indra/newview/app_settings/shaders/class1/avatar/pickAvatarF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
index 23142a3516..c40a62e49c 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaF.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
  
-
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect depthMap;
 
 vec4 diffuseLookup(vec2 texcoord);
@@ -81,8 +83,5 @@ void main()
 	color.rgb += diff.rgb * vary_pointlight_col.rgb;
 
 	gl_FragColor = color;
-	//gl_FragColor = vec4(1,0,1,1);
-	//gl_FragColor = vec4(1,0,1,1)*shadow;
-	
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedF.glsl
index 332bc9c262..3f6d6a8fd6 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedF.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
  
-
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect depthMap;
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedNoColorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedNoColorF.glsl
index e8a2318f39..e24734c2db 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedNoColorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaNonIndexedNoColorF.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
  
-
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect depthMap;
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
index e5899872db..15781bc92d 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
@@ -101,7 +101,7 @@ void main()
 	pos = trans * vec4(position.xyz, 1.0);
 	
 	norm = position.xyz + normal.xyz;
-	norm = normalize(( trans*vec4(norojrm, 1.0) ).xyz-pos.xyz);
+	norm = normalize(( trans*vec4(norm, 1.0) ).xyz-pos.xyz);
 	
 	vec4 frag_pos = projection_matrix * pos;
 	gl_Position = frag_pos;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowF.glsl
index 40fa59b637..f899ecabe0 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/attachmentShadowF.glsl
@@ -22,7 +22,9 @@
  * $/LicenseInfo$
  */
 
-
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
index b1fc9da855..945a1e71a5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarF.glsl
@@ -22,8 +22,10 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
 
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
 
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
index c9386062c6..4591bb9397 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarShadowF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
index e0a25b505a..1b04be7d9c 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
@@ -22,11 +22,13 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
-
 
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect depthMap;
 uniform sampler2DRect normalMap;
 uniform sampler2DRect lightMap;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
index 379420a8a0..463c61090f 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/bumpF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
 
 uniform sampler2D diffuseMap;
 uniform sampler2D bumpMap;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
index 127136a12c..73e726fe15 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/cloudsF.glsl
@@ -24,6 +24,9 @@
  */
  
 
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
 
 /////////////////////////////////////////////////////////////////////////
 // The fragment shader for the sky
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
index 51d67d2790..f3351c08bf 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskF.glsl
@@ -22,7 +22,10 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
 
 uniform float minimum_alpha;
 uniform float maximum_alpha;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl
index 8868d33705..7d83b9a72c 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskIndexedF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
+
 VARYING vec3 vary_normal;
 
 uniform float minimum_alpha;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl
index 2f46d43b9d..a24623d7b5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseAlphaMaskNoColorF.glsl
@@ -24,6 +24,10 @@
  */
  
 
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
+
 uniform float minimum_alpha;
 uniform float maximum_alpha;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
index aaf89a22ef..a8e5ae4a62 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
 
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
index e08e52c7cf..9a0e511bef 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/diffuseIndexedF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
+
 VARYING vec3 vary_normal;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/emissiveF.glsl b/indra/newview/app_settings/shaders/class1/deferred/emissiveF.glsl
index 6cf563189a..fdcce78940 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/emissiveF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/emissiveF.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
  
-
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 vec3 fullbrightAtmosTransport(vec3 light);
 vec3 fullbrightScaleSoftClip(vec3 light);
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
index f54827f720..25d5906b77 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/fullbrightF.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
  
-
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/giF.glsl b/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
index 72c5a93087..55b816041b 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/giF.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
  
-
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect depthMap;
 uniform sampler2DRect normalMap;
 uniform sampler2D noiseMap;
@@ -182,5 +184,5 @@ void main()
 	vec3 norm = texture2DRect(normalMap, pos_screen).xyz;
 	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
 	
-	gl_FragData[0].xyz = giAmbient(pos, norm);
+	gl_FragColor.xyz = giAmbient(pos, norm);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
index e98f9aef87..a929c0e4f5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/impostorF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
+
 uniform float minimum_alpha;
 uniform float maximum_alpha;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl
index 4f13167c1c..f17c64e751 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl
@@ -22,11 +22,13 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
-
-
-
+ 
 uniform sampler2DRect diffuseMap;
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 VARYING vec2 vary_fragcoord;
 
 void main() 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
index 279a2fa78d..585faf6cd5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
 
-
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect depthMap;
 uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
@@ -141,6 +143,4 @@ void main()
 	
 	gl_FragColor.rgb = out_col;
 	gl_FragColor.a = 0.0;
-	
-	//gl_FragColor = vec4(0.1, 0.025, 0.025/4.0, 0.0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
index dff6360726..6351a5ac0d 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiSpotLightF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
 
-
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 //class 1 -- no shadows
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
index 0fc23fecb4..60f99fac15 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/pointLightF.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
  
- 
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect normalMap;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
index 64044590c9..c8ee1dac00 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredF.glsl
@@ -25,6 +25,10 @@
 
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 #define FXAA_PC 1
 //#define FXAA_GLSL_130 1
 #define FXAA_QUALITY__PRESET 12
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl
index 16b61897d5..7f16c32331 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFF.glsl
@@ -25,6 +25,10 @@
  
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 #define FXAA_PC 1
 //#define FXAA_GLSL_130 1
 #define FXAA_QUALITY__PRESET 12
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFNoFXAAF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFNoFXAAF.glsl
index a1986fca9a..e3a5462589 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFNoFXAAF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoDoFNoFXAAF.glsl
@@ -25,6 +25,10 @@
  
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect diffuseRect;
 uniform sampler2D bloomMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoFXAAF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoFXAAF.glsl
index 84c23c97a0..55e07db879 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoFXAAF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postDeferredNoFXAAF.glsl
@@ -25,6 +25,10 @@
 
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect diffuseRect;
 uniform sampler2DRect edgeMap;
 uniform sampler2DRect depthMap;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
index a172f49d87..0f85a299a5 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
@@ -22,9 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
-
 
+ #ifndef gl_FragColor
+ out vec4 gl_FragColor;
+ #endif
+ 
 uniform sampler2DRect depthMap;
 uniform sampler2DRect normalMap;
 uniform sampler2DRect giLightMap;
@@ -94,7 +96,5 @@ void main()
 	
 	col = col*col*blur_quad.x + col*blur_quad.y + blur_quad.z;
 	
-	gl_FragData[0].xyz = col;
-	
-	//gl_FragColor = ccol;
+	gl_FragColor.rgb = col;
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
index c63a627971..a35826ce7d 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform float minimum_alpha;
 uniform float maximum_alpha;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl
index ee0ea84e6f..608ac4d3de 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 VARYING vec4 post_pos;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
index 26c7165e06..dac1ee1294 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/skyF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
 
 /////////////////////////////////////////////////////////////////////////
 // The fragment shader for the sky
diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index fa1d2cc7a7..e86b0445ed 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
  
-
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect positionMap;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
index 20970fc4ba..8eac16d3f0 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/spotLightF.glsl
@@ -23,10 +23,13 @@
  * $/LicenseInfo$
  */
 
-
-
+ 
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect diffuseRect;
 uniform sampler2DRect specularRect;
 uniform sampler2DRect depthMap;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
index 8eb4be7177..7986320c38 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/starsF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
+
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl
index 78ea15e87a..1114a0f0c4 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightF.glsl
@@ -23,12 +23,14 @@
  * $/LicenseInfo$
  */
  
-
-
 //class 1, no shadow, no SSAO, should never be called
 
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 void main() 
 {
 	gl_FragColor = vec4(0,0,0,0);
diff --git a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
index 797648202d..96f3248e55 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/sunLightSSAOF.glsl
@@ -23,9 +23,12 @@
  */
  
 
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 //class 1 -- no shadow, SSAO only
 
 uniform sampler2DRect depthMap;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
index effa994a48..3112a1ea7f 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
 
 uniform sampler2D detail_0;
 uniform sampler2D detail_1;
diff --git a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
index b0ef348cd1..06071056ac 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/treeF.glsl
@@ -22,8 +22,10 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
 
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
 
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/treeShadowF.glsl b/indra/newview/app_settings/shaders/class1/deferred/treeShadowF.glsl
index 22ebaa9be6..910b8f6c8c 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/treeShadowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/treeShadowF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform float minimum_alpha;
 uniform float maximum_alpha;
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
index d10548cbef..43cd4c2eed 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/waterF.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
  
-
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragData
+out vec4 gl_FragData[3];
+#endif
+
 vec3 scaleSoftClip(vec3 inColor);
 vec3 atmosTransport(vec3 inColor);
 
diff --git a/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl b/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl
index a34e76d25a..b2d3a135ba 100644
--- a/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl
+++ b/indra/newview/app_settings/shaders/class1/effects/glowExtractF.glsl
@@ -23,10 +23,12 @@
  * $/LicenseInfo$
  */
  
-
-
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect diffuseMap;
 uniform float minLuminance;
 uniform float maxExtractAlpha;
diff --git a/indra/newview/app_settings/shaders/class1/effects/glowExtractMSF.glsl b/indra/newview/app_settings/shaders/class1/effects/glowExtractMSF.glsl
index cbf4dc4bea..18b6e503e1 100644
--- a/indra/newview/app_settings/shaders/class1/effects/glowExtractMSF.glsl
+++ b/indra/newview/app_settings/shaders/class1/effects/glowExtractMSF.glsl
@@ -23,11 +23,13 @@
  * $/LicenseInfo$
  */
  
-
-
 #extension GL_ARB_texture_rectangle : enable
 #extension GL_ARB_texture_multisample : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DMS diffuseMap;
 uniform float minLuminance;
 uniform float maxExtractAlpha;
diff --git a/indra/newview/app_settings/shaders/class1/effects/glowF.glsl b/indra/newview/app_settings/shaders/class1/effects/glowF.glsl
index 3d17a20fbb..8e83e53b78 100644
--- a/indra/newview/app_settings/shaders/class1/effects/glowF.glsl
+++ b/indra/newview/app_settings/shaders/class1/effects/glowF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 uniform sampler2D diffuseMap;
 uniform float glowStrength;
diff --git a/indra/newview/app_settings/shaders/class1/environment/terrainF.glsl b/indra/newview/app_settings/shaders/class1/environment/terrainF.glsl
index 5d72390d2d..5f12b18398 100644
--- a/indra/newview/app_settings/shaders/class1/environment/terrainF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/terrainF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 uniform sampler2D detail0;
 uniform sampler2D detail1;
diff --git a/indra/newview/app_settings/shaders/class1/environment/terrainWaterF.glsl b/indra/newview/app_settings/shaders/class1/environment/terrainWaterF.glsl
index 307b87e086..0d1d7d6b89 100644
--- a/indra/newview/app_settings/shaders/class1/environment/terrainWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/terrainWaterF.glsl
@@ -22,8 +22,10 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 // this class1 shader is just a copy of terrainF
 
diff --git a/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl b/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
index 48eea0bdda..4ad1b82e0a 100644
--- a/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/underWaterF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 uniform sampler2D diffuseMap;
 uniform sampler2D bumpMap;   
diff --git a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
index 1bb04ceb34..8aa4cb5434 100644
--- a/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/environment/waterF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 vec3 scaleSoftClip(vec3 inColor);
 vec3 atmosTransport(vec3 inColor);
diff --git a/indra/newview/app_settings/shaders/class1/interface/customalphaF.glsl b/indra/newview/app_settings/shaders/class1/interface/customalphaF.glsl
index 66f3e1ae11..765040a27f 100644
--- a/indra/newview/app_settings/shaders/class1/interface/customalphaF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/customalphaF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2D diffuseMap;
 
 uniform float custom_alpha;
diff --git a/indra/newview/app_settings/shaders/class1/interface/debugF.glsl b/indra/newview/app_settings/shaders/class1/interface/debugF.glsl
index d43bf3fb50..d89c7b0072 100644
--- a/indra/newview/app_settings/shaders/class1/interface/debugF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/debugF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform vec4 color;
 
 void main() 
diff --git a/indra/newview/app_settings/shaders/class1/interface/glowcombineF.glsl b/indra/newview/app_settings/shaders/class1/interface/glowcombineF.glsl
index caff5fc324..8023545c4e 100644
--- a/indra/newview/app_settings/shaders/class1/interface/glowcombineF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/glowcombineF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 #extension GL_ARB_texture_rectangle : enable
 
 uniform sampler2D glowMap;
diff --git a/indra/newview/app_settings/shaders/class1/interface/glowcombineFXAAF.glsl b/indra/newview/app_settings/shaders/class1/interface/glowcombineFXAAF.glsl
index 3e972f0cb4..57e9f93768 100644
--- a/indra/newview/app_settings/shaders/class1/interface/glowcombineFXAAF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/glowcombineFXAAF.glsl
@@ -25,6 +25,10 @@
  
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2D glowMap;
 uniform sampler2DRect screenMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/interface/highlightF.glsl b/indra/newview/app_settings/shaders/class1/interface/highlightF.glsl
index 1d37b97bf1..ce5409c816 100644
--- a/indra/newview/app_settings/shaders/class1/interface/highlightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/highlightF.glsl
@@ -23,6 +23,9 @@
  * $/LicenseInfo$
  */
  
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 uniform vec4 color;
 uniform sampler2D diffuseMap;
diff --git a/indra/newview/app_settings/shaders/class1/interface/occlusionF.glsl b/indra/newview/app_settings/shaders/class1/interface/occlusionF.glsl
index 57248699cb..5f91ce5e80 100644
--- a/indra/newview/app_settings/shaders/class1/interface/occlusionF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/occlusionF.glsl
@@ -23,6 +23,10 @@
  * $/LicenseInfo$
  */
  
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 void main() 
 {
 	gl_FragColor = 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 d860106305..95b7632521 100644
--- a/indra/newview/app_settings/shaders/class1/interface/onetexturenocolorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/onetexturenocolorF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2D tex0;
 
 VARYING vec2 vary_texcoord0;
diff --git a/indra/newview/app_settings/shaders/class1/interface/solidcolorF.glsl b/indra/newview/app_settings/shaders/class1/interface/solidcolorF.glsl
index a25c9a08fb..7ba2d07ca4 100644
--- a/indra/newview/app_settings/shaders/class1/interface/solidcolorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/solidcolorF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2D tex0;
 
 VARYING vec4 vertex_color;
diff --git a/indra/newview/app_settings/shaders/class1/interface/splattexturerectF.glsl b/indra/newview/app_settings/shaders/class1/interface/splattexturerectF.glsl
index 9a295ce9f2..b085eb1760 100644
--- a/indra/newview/app_settings/shaders/class1/interface/splattexturerectF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/splattexturerectF.glsl
@@ -25,6 +25,10 @@
  
 #extension GL_ARB_texture_rectangle : enable
 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2DRect screenMap;
 
 VARYING vec4 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 3ded949943..9cbdfea2df 100644
--- a/indra/newview/app_settings/shaders/class1/interface/twotextureaddF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/twotextureaddF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2D tex0;
 uniform sampler2D tex1;
 
diff --git a/indra/newview/app_settings/shaders/class1/interface/uiF.glsl b/indra/newview/app_settings/shaders/class1/interface/uiF.glsl
index 2602e489c8..0c5479af36 100644
--- a/indra/newview/app_settings/shaders/class1/interface/uiF.glsl
+++ b/indra/newview/app_settings/shaders/class1/interface/uiF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2D diffuseMap;
 
 VARYING vec2 vary_texcoord0;
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightF.glsl
index 0a687d7a33..7f23c5e78c 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightF.glsl
@@ -23,6 +23,10 @@
  * $/LicenseInfo$
  */
  
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl
index 7ba6e9dec9..b67203065f 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 
 uniform sampler2D diffuseMap;
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyF.glsl
index 00c08d59ef..d9b7ba0db1 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyF.glsl
@@ -23,7 +23,9 @@
  * $/LicenseInfo$
  */
  
-
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 
 uniform sampler2D diffuseMap;
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyWaterF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyWaterF.glsl
index 2140b2f612..0ace495d5a 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightShinyWaterF.glsl
@@ -22,7 +22,9 @@
  * $/LicenseInfo$
  */
 
- 
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif 
 
 
 uniform sampler2D diffuseMap;
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightWaterF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightWaterF.glsl
index ab6b561f08..fac476e2ce 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightFullbrightWaterF.glsl
@@ -23,8 +23,9 @@
  * $/LicenseInfo$
  */
 
- 
-
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 uniform sampler2D diffuseMap;
 
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightShinyF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightShinyF.glsl
index 183582e41f..b1ab065712 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightShinyF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightShinyF.glsl
@@ -22,7 +22,10 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightShinyWaterF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightShinyWaterF.glsl
index 9c9f7ca658..05c9310a37 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightShinyWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightShinyWaterF.glsl
@@ -22,7 +22,10 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
 
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
diff --git a/indra/newview/app_settings/shaders/class1/lighting/lightWaterF.glsl b/indra/newview/app_settings/shaders/class1/lighting/lightWaterF.glsl
index 1a041c26ca..27d05baaa7 100644
--- a/indra/newview/app_settings/shaders/class1/lighting/lightWaterF.glsl
+++ b/indra/newview/app_settings/shaders/class1/lighting/lightWaterF.glsl
@@ -22,6 +22,10 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
  
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
diff --git a/indra/newview/app_settings/shaders/class1/objects/bumpF.glsl b/indra/newview/app_settings/shaders/class1/objects/bumpF.glsl
index 53c0e77b48..664967d36f 100644
--- a/indra/newview/app_settings/shaders/class1/objects/bumpF.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/bumpF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform sampler2D texture0;
 uniform sampler2D texture1;
 
diff --git a/indra/newview/app_settings/shaders/class1/objects/impostorF.glsl b/indra/newview/app_settings/shaders/class1/objects/impostorF.glsl
index e5bf5bf2d3..8a4932122f 100644
--- a/indra/newview/app_settings/shaders/class1/objects/impostorF.glsl
+++ b/indra/newview/app_settings/shaders/class1/objects/impostorF.glsl
@@ -22,7 +22,11 @@
  * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
- 
+
+#ifndef gl_FragColor
+out vec4 gl_FragColor;
+#endif
+
 uniform float minimum_alpha;
 uniform float maximum_alpha;