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anv: Early-exit from cmd_buffer_flush_state

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If we don't have any dynamic state, pipeline, or descriptor changes,
we can do a very quick early-exit instead of checking for a bunch of
stuff bit-by-bit.

Tested-By: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/8594>
This commit is contained in:
Jason Ekstrand
2021-01-20 11:36:54 -06:00
committed by Marge Bot
parent 18fc1dfea3
commit 0e1447eb1b
1 changed files with 6 additions and 3 deletions
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9
src/intel/vulkan/genX_cmd_buffer.c
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@@ -3518,6 +3518,12 @@ genX(cmd_buffer_flush_state)(struct anv_cmd_buffer *cmd_buffer)
cmd_buffer->state.gfx.vb_dirty &= ~vb_emit;
uint32_t descriptors_dirty = cmd_buffer->state.descriptors_dirty &
pipeline->active_stages;
if (!cmd_buffer->state.gfx.dirty && !descriptors_dirty &&
!cmd_buffer->state.push_constants_dirty)
return;
if ((cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_XFB_ENABLE) ||
(GEN_GEN == 7 && (cmd_buffer->state.gfx.dirty &
ANV_CMD_DIRTY_PIPELINE))) {
@@ -3594,9 +3600,6 @@ genX(cmd_buffer_flush_state)(struct anv_cmd_buffer *cmd_buffer)
}
#endif
uint32_t descriptors_dirty = cmd_buffer->state.descriptors_dirty &
pipeline->active_stages;
/* Render targets live in the same binding table as fragment descriptors */
if (cmd_buffer->state.gfx.dirty & ANV_CMD_DIRTY_RENDER_TARGETS)
descriptors_dirty |= VK_SHADER_STAGE_FRAGMENT_BIT;