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iris: Emit single render target flush PIPE_CONTROL on format mismatch.

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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@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/3875>
This commit is contained in:
Francisco Jerez 2020-04-30 17:40:52 -07:00 • committed by Marge Bot
parent b928188493
commit 46adb83a29
1 changed files with 4 additions and 1 deletions
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5
src/gallium/drivers/iris/iris_resolve.c
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@ -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);
}
}