[PATCH 1/3] glx/dri3: Fix glXWaitForSbcOML() to handle targetSBC==0 correctly.

[Keith Packard]

Mario Kleiner <mario.kleiner.de at gmail.com> writes:

> targetSBC == 0 is a special case, which asks the function
> to block until all pending OpenGL bufferswap requests have
> completed.

Well, it blocks until all pending glXSwapBuffersMscOML requests for the
target window have completed. It seems that it's supposed to *not* count
regular glXSwapBuffers calls. We have no way to tell at this level which
function the application called, so I suspect treating them all the same
is about the best we can do...

> This patch fixes the problem.

Yup, looks great to me.

Reviewed-by: Keith Packard <keithp at keithp.com>

-- 
keith.packard at intel.com
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