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import bpy
import gpu

width = 32
height = 32
modal_redraw = False
image_name = "color_buffer_copy"
framebuffer = None
viewport_info = None
pixelBuffer = None

def draw():
    if not image_name in bpy.data.images:
        framebuffer_image = bpy.data.images.new(image_name , 32, 32, float_buffer=True)
    else:
        framebuffer_image = bpy.data.images[image_name]
        
    framebuffer = gpu.state.active_framebuffer_get()

    viewport_info = gpu.state.viewport_get()
    width = viewport_info[2]
    height = viewport_info[3]

    framebuffer_image.scale(width, height)
    
    pixelBuffer = framebuffer.read_color(0, 0, width, height, 4, 0, 'FLOAT')
    
    pixelBuffer.dimensions = width * height * 4
    framebuffer_image.pixels.foreach_set(pixelBuffer)

if __name__ == "__main__":
    draw()