GLUtil-0.6.4: Miscellaneous OpenGL utilities.
Helpers for working with OpenGL viewports.
withViewport :: Position -> Size -> IO a -> IO aSource
withViewport pos sz m runs the action m after setting the
viewport with the given Position and Size. The viewport is
reset to its original state after the action is run, and the result
of the action is returned.
withViewport pos sz m
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