Make templated GrProgramTResource subclass of GrProgramResource

src/gpu/GrRODrawState.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrRODrawState_DEFINED
 #define GrRODrawState_DEFINED
 
@@ skipping 379 matching lines @@
      * Subclasses of GrDrawTarget that actually draw (as opposed to those that just buffer for
      * playback) must call this function and respect the flags that replace the output color.
      *
      * If the cached BlendOptFlags does not have the invalidate bit set, then getBlendOpts will
      * simply returned the cached flags and coefficients. Otherwise it will calculate the values. 
      */
     BlendOptFlags getBlendOpts(bool forceCoverage = false,
                                GrBlendCoeff* srcCoeff = NULL,
                                GrBlendCoeff* dstCoeff = NULL) const;
 
+    typedef GrProgramTResource<GrRenderTarget> ProgramRenderTarget;
     // These fields are roughly sorted by decreasing likelihood of being different in op==
-    GrProgramResource                   fRenderTarget;
+    ProgramRenderTarget                 fRenderTarget;
     GrColor                             fColor;
     SkMatrix                            fViewMatrix;
     GrColor                             fBlendConstant;
     uint32_t                            fFlagBits;
     const GrVertexAttrib*               fVAPtr;
     int                                 fVACount;
     size_t                              fVAStride;
     GrStencilSettings                   fStencilSettings;
     uint8_t                             fCoverage;
     DrawFace                            fDrawFace;
@@ skipping 16 matching lines @@
      * Determines whether src alpha is guaranteed to be one for all src pixels
      */
     bool srcAlphaWillBeOne() const;
 
     typedef SkRefCnt INHERITED;
 };
 
 GR_MAKE_BITFIELD_OPS(GrRODrawState::BlendOptFlags);
 
 #endif