OpenGL.GL.NV.copy_image
OpenGL extension NV.copy_image
This module customises the behaviour of the
OpenGL.raw.GL.NV.copy_image to provide a more
Python-friendly API
Overview (from the spec)
This extension enables efficient image data transfer between image
objects (i.e. textures and renderbuffers) without the need to bind
the objects or otherwise configure the rendering pipeline. The
WGL and GLX versions allow copying between images in different
contexts, even if those contexts are in different sharelists or
even on different physical devices.
The official definition of this extension is available here:
http://www.opengl.org/registry/specs/NV/copy_image.txt