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radv: Add early exit for cache flushes.

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No sense checking each bit separately in the common case of none
being set.

Signed-off-by: Bas Nieuwenhuizen <basni@google.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Bas Nieuwenhuizen 2017-06-06 19:15:47 +02:00
parent 4ec89727b2
commit e08f741678
1 changed files with 4 additions and 2 deletions
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6
src/amd/vulkan/si_cmd_buffer.c
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@ -1089,6 +1089,9 @@ si_emit_cache_flush(struct radv_cmd_buffer *cmd_buffer)
RADV_CMD_FLAG_VS_PARTIAL_FLUSH |
RADV_CMD_FLAG_VGT_FLUSH);
if (!cmd_buffer->state.flush_bits)
return;
radeon_check_space(cmd_buffer->device->ws, cmd_buffer->cs, 128);
uint32_t *ptr = NULL;
@ -1104,8 +1107,7 @@ si_emit_cache_flush(struct radv_cmd_buffer *cmd_buffer)
cmd_buffer->state.flush_bits);
if (cmd_buffer->state.flush_bits)
radv_cmd_buffer_trace_emit(cmd_buffer);
radv_cmd_buffer_trace_emit(cmd_buffer);
cmd_buffer->state.flush_bits = 0;
}