public void texSubImage2D(int target, int level, int xoffset, int yoffset, ImageData pixels, bool flipY) { }
 public void texSubImage2D(int target, int level, int xoffset, int yoffset, ImageData pixels, bool flipY, bool asPremultipliedAlpha) { }
 public void texImage2D(int target, int level, ImageData pixels) { }
 public void texImage2D(int target, int level, ImageData pixels, bool flipY) { }
	public void putImageData(ImageData imagedata, float dx, float dy) {}
	public void putImageData(ImageData imagedata, float dx, float dy, float dirtyX, float dirtyY, float dirtyWidth, float dirtyHeight) {}
	public ImageData createImageData(ImageData imagedata) { return default(ImageData); }
	public  void putImageData(ImageData imagedata, double dx, double dy, double dirtyX, double dirtyY, double dirtyWidth, double dirtyHeight) {}
	public  void putImageData(ImageData imagedata, double dx, double dy) {}
	public  void texSubImage2D(int target, int level, int xoffset, int yoffset, int format, int type, ImageData pixels) {}
	public  void texImage2D(int target, int level, int internalformat, int format, int type, ImageData pixels) {}