'Can I use pyglet.gl drawing on pyglet's canvas without pyglet's window?

Is it possible that only using opengl and pyglet's canvas without pyglet's window?

I only need to get image array from pyglet.image.get_buffer_manager

Left window (My Image) is what I get image array and show by cv2.imshow
Right window (train.py) is pyglet's window
shown as below:

Any alternative ways that I can draw with opengl but without pyglet's window? Is it possible drawing on pyglet.canvas ?

python pyglet

Sources

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