[Piglit] [PATCH] Test transform feedback with intervening glReadPixels.

Eric Anholt eric at anholt.net
Sat Dec 24 15:22:19 PST 2011

On Fri, 23 Dec 2011 13:54:57 -0800, Paul Berry <stereotype441 at gmail.com> wrote:
> This test verifies that transform feedback continues to work correctly
> if glReadPixels is executed while it is in progress.
> This is an important case to test on Mesa's i965 driver, because
> glReadPixels forces the driver to start a new batch buffer, and at the
> beginning of each batch buffer the driver needs to update the
> transform feedback buffer pointers (in case they were used by another
> process in between the two batches).

Reviewed-by: Eric Anholt <eric at anholt.net>
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