validateBlendEquation 1134 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateBlendEquation("blendEquation", mode))
validateBlendEquation 1141 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !validateBlendEquation("blendEquationSeparate", modeRGB) || !validateBlendEquation("blendEquationSeparate", modeAlpha))
validateBlendEquation  803 Source/core/html/canvas/WebGLRenderingContextBase.h     bool validateBlendEquation(const char* functionName, GLenum);