Add tokens and entry points for KHR_blend_equation_advanced

src/gpu/gl/SkNullGLContext.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gl/SkNullGLContext.h"
 #include "gl/GrGLInterface.h"
@@ skipping 342 matching lines @@
     GrGLInterface::Functions* functions = &interface->fFunctions;
     functions->fActiveTexture = nullGLActiveTexture;
     functions->fAttachShader = nullGLAttachShader;
     functions->fBeginQuery = nullGLBeginQuery;
     functions->fBindAttribLocation = nullGLBindAttribLocation;
     functions->fBindBuffer = nullGLBindBuffer;
     functions->fBindFragDataLocation = noOpGLBindFragDataLocation;
     functions->fBindTexture = nullGLBindTexture;
     functions->fBindVertexArray = nullGLBindVertexArray;
     functions->fBlendColor = noOpGLBlendColor;
+    functions->fBlendEquation = noOpGLBlendEquation;
     functions->fBlendFunc = noOpGLBlendFunc;
     functions->fBufferData = nullGLBufferData;
     functions->fBufferSubData = noOpGLBufferSubData;
     functions->fClear = noOpGLClear;
     functions->fClearColor = noOpGLClearColor;
     functions->fClearStencil = noOpGLClearStencil;
     functions->fColorMask = noOpGLColorMask;
     functions->fCompileShader = noOpGLCompileShader;
     functions->fCompressedTexImage2D = noOpGLCompressedTexImage2D;
     functions->fCompressedTexSubImage2D = noOpGLCompressedTexSubImage2D;
@@ skipping 176 matching lines @@
     interface->fCallbackData = reinterpret_cast<GrGLInterfaceCallbackData>(fState);
 #endif
 }
 
 SkNullGLContext::~SkNullGLContext() {
     fGL.reset(NULL);
     fState->unref();
 }
 
 void SkNullGLContext::makeCurrent() const { set_current_context(fState); }