copyTexSubImage2D 1476 Source/core/html/canvas/WebGLRenderingContextBase.cpp     m_context->copyTexSubImage2D(target, level, xoffset, yoffset, x, y, width, height);
copyTexSubImage2D  143 Source/core/html/canvas/WebGLRenderingContextBase.h     void copyTexSubImage2D(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
copyTexSubImage2D  100 Source/platform/graphics/test/MockWebGraphicsContext3D.h     virtual void copyTexSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) { }
copyTexSubImage2D  239 public/platform/WebGraphicsContext3D.h     virtual void copyTexSubImage2D(WGC3Denum target, WGC3Dint level, WGC3Dint xoffset, WGC3Dint yoffset, WGC3Dint x, WGC3Dint y, WGC3Dsizei width, WGC3Dsizei height) = 0;