Implement texel buffers

src/gpu/gl/GrGLProgram.h

Index: src/gpu/gl/GrGLProgram.h
diff --git a/src/gpu/gl/GrGLProgram.h b/src/gpu/gl/GrGLProgram.h
index 22678cb6a38343804e82e733ce71df313cb4de84..c70b1bd0e22ac36cca2e35b384a94ac24f982d9a 100644
--- a/src/gpu/gl/GrGLProgram.h
+++ b/src/gpu/gl/GrGLProgram.h
@@ -94,8 +94,7 @@ public:
      * the program is bound before calling, and to bind the outgoing textures to their respective
      * units upon return. (Each index in the array corresponds to its matching GL texture unit.)
      */
-    void setData(const GrPrimitiveProcessor&, const GrPipeline&,
-                 SkTArray<const GrTextureAccess*>* textureBindings);
+    void setData(const GrPrimitiveProcessor&, const GrPipeline&);
 
 protected:
     typedef GrGLSLProgramDataManager::UniformHandle UniformHandle;
@@ -113,16 +112,16 @@ protected:
                 const GrGLSLFragProcs& fragmentProcessors,
                 SkTArray<UniformHandle>* passSamplerUniforms);
 
-    // A templated helper to loop over effects, set the transforms(via subclass) and bind textures
-    void setFragmentData(const GrPrimitiveProcessor&, const GrPipeline&,
-                         SkTArray<const GrTextureAccess*>* textureBindings);
-    void setTransformData(const GrPrimitiveProcessor&,
-                          const GrFragmentProcessor&,
-                          int index);
+    // A helper to loop over effects, set the transforms (via subclass) and bind textures
+    void setFragmentData(const GrPrimitiveProcessor&, const GrPipeline&, int* nextSamplerIdx);
+    void setTransformData(const GrPrimitiveProcessor&, const GrFragmentProcessor&, int index);
 
     // Helper for setData() that sets the view matrix and loads the render target height uniform
     void setRenderTargetState(const GrPrimitiveProcessor&, const GrPipeline&);
 
+    // Helper for setData() that binds textures and texel buffers to the appropriate texture units
+    void bindTextures(const GrProcessor&, bool allowSRGBInputs, int* nextSamplerIdx);
+
     // these reflect the current values of uniforms (GL uniform values travel with program)
     RenderTargetState fRenderTargetState;
     BuiltinUniformHandles fBuiltinUniformHandles;