On Fri, 9 May 2008, Peter Verswyvelen wrote:
I'm experiencing strange behavior when executing some Haskell OpenGL code
inside unsafeInterleaveIO.
For example,
vp <- get GL.viewport
returns garbage, as if the opengl context is not correctly set.
Sounds reasonable. 'unsafeInterleaveIO' defers computation of 'vp' until
it is actually needed. At this time the viewport might have changed.
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