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anv/cmd_buffer: Emit a CS stall before setting a CS pipeline

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Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
Cc: "13.0" <mesa-stable@lists.freedesktop.org>
This commit is contained in:
Jason Ekstrand
2016-11-21 20:22:53 -08:00
parent 054e48ee0e
commit f680a01ad4
1 changed files with 13 additions and 1 deletions
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14
src/intel/vulkan/genX_cmd_buffer.c
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@@ -1564,8 +1564,20 @@ genX(cmd_buffer_flush_compute_state)(struct anv_cmd_buffer *cmd_buffer)
genX(flush_pipeline_select_gpgpu)(cmd_buffer);
if (cmd_buffer->state.compute_dirty & ANV_CMD_DIRTY_PIPELINE)
if (cmd_buffer->state.compute_dirty & ANV_CMD_DIRTY_PIPELINE) {
/* From the Sky Lake PRM Vol 2a, MEDIA_VFE_STATE:
*
* "A stalling PIPE_CONTROL is required before MEDIA_VFE_STATE unless
* the only bits that are changed are scoreboard related: Scoreboard
* Enable, Scoreboard Type, Scoreboard Mask, Scoreboard * Delta. For
* these scoreboard related states, a MEDIA_STATE_FLUSH is
* sufficient."
*/
cmd_buffer->state.pending_pipe_bits |= ANV_PIPE_CS_STALL_BIT;
genX(cmd_buffer_apply_pipe_flushes)(cmd_buffer);
anv_batch_emit_batch(&cmd_buffer->batch, &pipeline->batch);
}
if (cmd_buffer->state.push_constants_dirty & VK_SHADER_STAGE_COMPUTE_BIT) {
struct anv_state push_state =