1 files changed, 18 insertions, 12 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
index c6578ea177..8a5e482e80 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/terrainF.glsl
@@ -23,7 +23,11 @@
  * $/LicenseInfo$
  */
  
-
+#ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_data[3];
+#else
+#define frag_data gl_FragData
+#endif
 
 uniform sampler2D detail_0;
 uniform sampler2D detail_1;
@@ -31,25 +35,27 @@ uniform sampler2D detail_2;
 uniform sampler2D detail_3;
 uniform sampler2D alpha_ramp;
 
-varying vec3 vary_normal;
+VARYING vec3 vary_normal;
+VARYING vec4 vary_texcoord0;
+VARYING vec4 vary_texcoord1;
 
 void main()
 {
 	/// Note: This should duplicate the blending functionality currently used for the terrain rendering.
 	
-	vec4 color0 = texture2D(detail_0, gl_TexCoord[0].xy);
-	vec4 color1 = texture2D(detail_1, gl_TexCoord[0].xy);
-	vec4 color2 = texture2D(detail_2, gl_TexCoord[0].xy);
-	vec4 color3 = texture2D(detail_3, gl_TexCoord[0].xy);
+	vec4 color0 = texture2D(detail_0, vary_texcoord0.xy);
+	vec4 color1 = texture2D(detail_1, vary_texcoord0.xy);
+	vec4 color2 = texture2D(detail_2, vary_texcoord0.xy);
+	vec4 color3 = texture2D(detail_3, vary_texcoord0.xy);
 
-	float alpha1 = texture2D(alpha_ramp, gl_TexCoord[0].zw).a;
-	float alpha2 = texture2D(alpha_ramp,gl_TexCoord[1].xy).a;
-	float alphaFinal = texture2D(alpha_ramp, gl_TexCoord[1].zw).a;
+	float alpha1 = texture2D(alpha_ramp, vary_texcoord0.zw).a;
+	float alpha2 = texture2D(alpha_ramp,vary_texcoord1.xy).a;
+	float alphaFinal = texture2D(alpha_ramp, vary_texcoord1.zw).a;
 	vec4 outColor = mix( mix(color3, color2, alpha2), mix(color1, color0, alpha1), alphaFinal );
 	
-	gl_FragData[0] = vec4(outColor.rgb, 0.0);
-	gl_FragData[1] = vec4(outColor.rgb*0.2, 0.2);
+	frag_data[0] = vec4(outColor.rgb, 0.0);
+	frag_data[1] = vec4(0,0,0,0);
 	vec3 nvn = normalize(vary_normal);
-	gl_FragData[2] = vec4(nvn.xy * 0.5 + 0.5, nvn.z, 0.0);
+	frag_data[2] = vec4(nvn.xy * 0.5 + 0.5, nvn.z, 0.0);
 }