Use vertexless shaders when NVpr is available

src/gpu/gl/GrGLProgram.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef GrGLProgram_DEFINED
 #define GrGLProgram_DEFINED
@@ skipping 44 matching lines @@
      */
     void overrideBlend(GrBlendCoeff* srcCoeff, GrBlendCoeff* dstCoeff) const;
 
     const GrGLProgramDesc& getDesc() { return fDesc; }
 
     /**
      * Gets the GL program ID for this program.
      */
     GrGLuint programID() const { return fProgramID; }
 
+    bool hasVertexShader() const { return fHasVertexShader; }
+
     /**
      * Some GL state that is relevant to programs is not stored per-program. In particular color
      * and coverage attributes can be global state. This struct is read and updated by
      * GrGLProgram::setColor and GrGLProgram::setCoverage to allow us to avoid setting this state
      * redundantly.
      */
     struct SharedGLState {
         GrColor fConstAttribColor;
         int     fConstAttribColorIndex;
         GrColor fConstAttribCoverage;
@@ skipping 78 matching lines @@
                 const GrGLProgramDesc& desc,
                 const GrEffectStage* colorStages[],
                 const GrEffectStage* coverageStages[]);
 
     bool succeeded() const { return 0 != fProgramID; }
 
     /**
      * This is the heavy initialization routine for building a GLProgram. colorStages and
      * coverageStages correspond to the output of GrGLProgramDesc::Build().
      */
-    bool genProgram(const GrEffectStage* colorStages[], const GrEffectStage* coverageStages[]);
+    bool genProgram(GrGLShaderBuilder* builder,
+                    const GrEffectStage* colorStages[],
+                    const GrEffectStage* coverageStages[]);
 
     // Sets the texture units for samplers
     void initSamplerUniforms();
 
     // Helper for setData(). Makes GL calls to specify the initial color when there is not
     // per-vertex colors.
     void setColor(const GrDrawState&, GrColor color, SharedGLState*);
 
     // Helper for setData(). Makes GL calls to specify the initial coverage when there is not
     // per-vertex coverages.
@@ skipping 14 matching lines @@
 
     SkAutoTDelete<GrGLProgramEffects> fColorEffects;
     SkAutoTDelete<GrGLProgramEffects> fCoverageEffects;
 
     GrGLProgramDesc                   fDesc;
     GrGpuGL*                          fGpu;
 
     GrGLUniformManager                fUniformManager;
     UniformHandles                    fUniformHandles;
 
+    bool                              fHasVertexShader;
+    int                               fNumTexCoordSets;
+
     typedef SkRefCnt INHERITED;
 };
 
 #endif