SourceImageData  3393 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !pixels || !validateTexFunc("texImage2D", NotTexSubImage2D, SourceImageData, target, level, internalformat, pixels->width(), pixels->height(), 0, format, type, 0, 0))
SourceImageData  3635 Source/core/html/canvas/WebGLRenderingContextBase.cpp     if (isContextLost() || !pixels || !validateTexFunc("texSubImage2D", TexSubImage2D, SourceImageData, target, level, format,  pixels->width(), pixels->height(), 0, format, type, xoffset, yoffset))