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authorEric Anholt <[email protected]>2011-07-19 15:06:15 -0700
committerEric Anholt <[email protected]>2011-07-20 11:42:53 -0700
commit3e5d36267d8c9536490c902f785137a7fa0637fc (patch)
tree69b10f53113f5bd73695fb1947a66cd91622815e /src/gallium
parent407785d0e97abd0cc51a6e360089111973748e7c (diff)
i965: Apply a homebrew workaround for GPU hang in OGLC api-texcoord.
The behavior of flushes in the hardware is a maze of twisty passages, and strangely the VS constants appear to be loaded during a pipeline flush instead of at the time of the packet emit according to the simulator. On moving the STATE_BASE_ADDRESS packet to where it really needed to live (in order for data loads by other packets to be correct), we sometimes no longer got a flush between those packets where we apparently needed it. This replicates the flushes implied by a STATE_BASE_ADDRESS update, fixing the GPU hangs in OGLC and the "engine" demo. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=36821 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=39257 Tested-by: Keith Packard <[email protected]> (bzflag and etracer fixed) Acked-by: Kenneth Graunke <[email protected]>
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