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radv/gfx10: make GDS idle when leaving the IB

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NGG streamout uses GDS and we have to make sure that another
process isn't going to overwrite GDS while our shaders are busy.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset 2019-09-10 10:56:24 +02:00
parent 2d89d8f333
commit 7314f6ef97
1 changed files with 7 additions and 0 deletions
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7
src/amd/vulkan/radv_cmd_buffer.c
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@ -3615,6 +3615,13 @@ VkResult radv_EndCommandBuffer(
*/
cmd_buffer->state.flush_bits |= cmd_buffer->active_query_flush_bits;
/* Since NGG streamout uses GDS, we need to make GDS idle when
* we leave the IB, otherwise another process might overwrite
* it while our shaders are busy.
*/
if (cmd_buffer->gds_needed)
cmd_buffer->state.flush_bits |= RADV_CMD_FLAG_PS_PARTIAL_FLUSH;
si_emit_cache_flush(cmd_buffer);
}