Default geometry processor

src/gpu/effects/GrCustomCoordsTextureEffect.cpp

Index: src/gpu/effects/GrCustomCoordsTextureEffect.cpp
diff --git a/src/gpu/effects/GrCustomCoordsTextureEffect.cpp b/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
index afa075460386b71531ecc2bb35b659b0a4de571f..3854be4ce5ef90f27946fdeac9c595dedbbba57a 100644
--- a/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
+++ b/src/gpu/effects/GrCustomCoordsTextureEffect.cpp
@@ -31,6 +31,11 @@ public:
         const GrShaderVar& inTextureCoords = customCoordsTextureEffect.inTextureCoords();
         vsBuilder->codeAppendf("%s = %s;", v.vsOut(), inTextureCoords.c_str());
 
+        // setup position varying
+        vsBuilder->codeAppendf("vec3 pos3 = %s * vec3(%s, 1);", args.fGP.uViewM(),
+                               args.fGP.inPosition());
+        vsBuilder->transformPositionToDeviceSpace("pos3");
+
         GrGLGPFragmentBuilder* fsBuilder = args.fPB->getFragmentShaderBuilder();
         fsBuilder->codeAppendf("%s = ", args.fOutput);
         fsBuilder->appendTextureLookupAndModulate(args.fInput,