1 files changed, 2 insertions, 5 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
index d6c14c48c9..3464212c84 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
@@ -25,11 +25,7 @@
  
 /*[EXTRA_CODE_HERE]*/
 
-#ifdef DEFINE_GL_FRAGCOLOR
-out vec4 frag_data[3];
-#else
-#define frag_data gl_FragData
-#endif
+out vec4 frag_data[4];
 
 uniform sampler2D detail_0;
 uniform sampler2D detail_1;
@@ -64,5 +60,6 @@ void main()
     frag_data[1] = vec4(0.0,0.0,0.0,-1.0);
     vec3 nvn = normalize(vary_normal);
     frag_data[2] = vec4(encode_normal(nvn.xyz), 0.0, GBUFFER_FLAG_HAS_ATMOS);
+    frag_data[3] = vec4(0);
 }