validateTexFuncData 3371 Source/core/html/canvas/WebGLRenderingContextBase.cpp if (isContextLost() || !validateTexFuncData("texImage2D", level, width, height, format, type, pixels, NullAllowed) validateTexFuncData 3609 Source/core/html/canvas/WebGLRenderingContextBase.cpp if (isContextLost() || !validateTexFuncData("texSubImage2D", level, width, height, format, type, pixels, NullNotAllowed) validateTexFuncData 756 Source/core/html/canvas/WebGLRenderingContextBase.h bool validateTexFuncData(const char* functionName, GLint level, GLsizei width, GLsizei height, GLenum format, GLenum type, ArrayBufferView* pixels, NullDisposition);