Mark when effects and programs have vertex code

src/gpu/gl/GrGLProgramDesc.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLProgramDesc_DEFINED
 #define GrGLProgramDesc_DEFINED
 
@@ skipping 140 matching lines @@
                                                         // effects that read the fragment position.
                                                         // Otherwise, 0.
 
         // should the FS discard if the coverage is zero (to avoid stencil manipulation)
         SkBool8                     fDiscardIfZeroCoverage;
 
         uint8_t                     fColorInput;            // casts to enum ColorInput
         uint8_t                     fCoverageInput;         // casts to enum ColorInput
         uint8_t                     fCoverageOutput;        // casts to enum CoverageOutput
 
+        SkBool8                     fHasVertexCode;
         SkBool8                     fEmitsPointSize;
         uint8_t                     fColorFilterXfermode;   // casts to enum SkXfermode::Mode
 
         // To enable experimental geometry shader code (not for use in
         // production)
 #if GR_GL_EXPERIMENTAL_GS
         SkBool8                     fExperimentalGS;
 #endif
 
         int8_t                      fPositionAttributeIndex;
@@ skipping 45 matching lines @@
     SkAutoSMalloc<kPreAllocSize> fKey;
     bool fInitialized;
 
     // GrGLProgram and GrGLShaderBuilder read the private fields to generate code. TODO: Move all
     // code generation to GrGLShaderBuilder (and maybe add getters rather than friending).
     friend class GrGLProgram;
     friend class GrGLShaderBuilder;
 };
 
 #endif