copyTexSubImage2D method
void
copyTexSubImage2D()
Implementation
void copyTexSubImage2D(int target, int level, int xoffset, int yoffset, int x, int y, int width, int height){
_gl.copyTexSubImage2D(target, level, xoffset, yoffset, x,y,width, height);
checkError('copyTexSubImage2D');
}