Reland r6330 thru r6333 but do without enabling GL_ARB_fragment_coord_conventions on Intel GPUs.



git-svn-id: http://skia.googlecode.com/svn/trunk@6048 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/effects/GrConvolutionEffect.cpp b/src/gpu/effects/GrConvolutionEffect.cpp
index c189ec0..d775082 100644
--- a/src/gpu/effects/GrConvolutionEffect.cpp
+++ b/src/gpu/effects/GrConvolutionEffect.cpp
@@ -28,10 +28,7 @@
                         const char* inputColor,
                         const TextureSamplerArray&) SK_OVERRIDE;
 
-    virtual void setData(const GrGLUniformManager& uman,
-                         const GrCustomStage&,
-                         const GrRenderTarget*,
-                         int stageNum) SK_OVERRIDE;
+    virtual void setData(const GrGLUniformManager& uman, const GrCustomStage&) SK_OVERRIDE;
 
     static inline StageKey GenKey(const GrCustomStage&, const GrGLCaps&);
 
@@ -91,10 +88,7 @@
     GrGLSLMulVarBy4f(&builder->fFSCode, 2, outputColor, inputColor);
 }
 
-void GrGLConvolutionEffect::setData(const GrGLUniformManager& uman,
-                                    const GrCustomStage& data,
-                                    const GrRenderTarget*,
-                                    int stageNum) {
+void GrGLConvolutionEffect::setData(const GrGLUniformManager& uman, const GrCustomStage& data) {
     const GrConvolutionEffect& conv =
         static_cast<const GrConvolutionEffect&>(data);
     GrTexture& texture = *data.texture(0);