Mesa (master): iris: Emit single render target flush PIPE_CONTROL on format mismatch.
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Wed Jun 3 23:24:44 UTC 2020
Module: Mesa
Branch: master
Commit: 46adb83a2930d346dd2ce2d4d19dfec02e0f7ca1
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=46adb83a2930d346dd2ce2d4d19dfec02e0f7ca1
Author: Francisco Jerez <currojerez at riseup.net>
Date: Thu Apr 30 17:40:52 2020 -0700
iris: Emit single render target flush PIPE_CONTROL on format mismatch.
The big-hammer iris_flush_depth_and_render_caches() is largely
redundant whenever a format mismatch is detected from
iris_cache_flush_for_render(). There is no need to kick the depth,
sampler nor constant caches in that case.
Reviewed-by: Kenneth Graunke <kenneth at whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3875>
---
src/gallium/drivers/iris/iris_resolve.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/iris/iris_resolve.c b/src/gallium/drivers/iris/iris_resolve.c
index 68f37f48bcf..88aa4b1dec7 100644
--- a/src/gallium/drivers/iris/iris_resolve.c
+++ b/src/gallium/drivers/iris/iris_resolve.c
@@ -402,7 +402,10 @@ iris_cache_flush_for_render(struct iris_batch *batch,
_mesa_hash_table_insert_pre_hashed(batch->cache.render, bo->hash, bo,
format_aux_tuple(format, aux_usage));
} else if (entry->data != format_aux_tuple(format, aux_usage)) {
- iris_flush_depth_and_render_caches(batch);
+ iris_emit_pipe_control_flush(batch,
+ "cache tracker: render format mismatch",
+ PIPE_CONTROL_RENDER_TARGET_FLUSH |
+ PIPE_CONTROL_CS_STALL);
entry->data = format_aux_tuple(format, aux_usage);
}
}
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