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radeonsi: Synchronize a streamout write after read hazard.

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Signed-off-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Bas Nieuwenhuizen 2016-04-11 15:53:43 +02:00
parent dccdb655a1
commit fc67375379
1 changed files with 6 additions and 0 deletions
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6
src/gallium/drivers/radeonsi/si_descriptors.c
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@ -883,6 +883,12 @@ static void si_set_streamout_targets(struct pipe_context *ctx,
SI_CONTEXT_VS_PARTIAL_FLUSH;
}
/* All readers of the streamout targets need to be finished before we can
* start writing to the targets.
*/
if (num_targets)
sctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH;
/* Streamout buffers must be bound in 2 places:
* 1) in VGT by setting the VGT_STRMOUT registers
* 2) as shader resources