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Emma Anholt authored
The old Xephyr codebase was using the GL window system framebuffer for the screen pixmap, but that meant you couldn't texture from it to do operations sourcing from the screen, so in the version that landed I instead had the screen just be a plain texture. Signed-off-by: Eric Anholt <eric@anholt.net> Reviewed-by: Keith Packard <keithp@keithp.com>
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