'''OpenGL extension MESA.pack_invert
This module customises the behaviour of the
OpenGL.raw.GL.MESA.pack_invert to provide a more
Python-friendly API
Overview (from thespec import
This extension adds a new pixel storage parameter to indicate that
images are to be packed in top-to-bottom order instead of OpenGL's
conventional bottom-to-top order. Only pixel packing can be
inverted (i.e. for glReadPixels, glGetTexImage, glGetConvolutionFilter,
etc).
Almost all known image file formats store images in top-to-bottom
order. As it is, OpenGL reads images from theframebuffer import
bottom-to-top order. Thus, images usually have to be inverted before
writing them to a file with image I/O libraries. This extension
allows images to be read such that inverting isn't needed.
The official definition of this extension is available here:
http://www.opengl.org/registry/specs/MESA/pack_invert.txt
'''
from OpenGL import platform,constants,constant,arrays
from OpenGL import extensions,wrapper
from OpenGL.GL import glget
import ctypes
from OpenGL.raw.GL.MESA.pack_invert import *
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