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asahi: Ignore spilled render targets with partial renders

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Partial renders exist to the spill the tilebuffer to memory, there's nothing to
do if it's already spilled (and would just waste memory bandwidth and create a
feedback loop).

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24258>
This commit is contained in:
Alyssa Rosenzweig 2023-06-23 14:23:59 -04:00 • committed by Marge Bot
parent dc38f24de3
commit 46b5406483
1 changed files with 6 additions and 0 deletions
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6
src/gallium/drivers/asahi/agx_state.c
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@ -2261,6 +2261,12 @@ agx_build_meta(struct agx_batch *batch, bool store, bool partial_render)
if (store) {
/* TODO: Suppress stores to discarded render targets */
key.op[rt] = AGX_META_OP_STORE;
} else if (batch->tilebuffer_layout.spilled[rt] && partial_render) {
/* Partial render programs exist only to store/load the tilebuffer to
* main memory. When render targets are already spilled to main memory,
* there's nothing to do.
*/
key.op[rt] = AGX_META_OP_NONE;
} else {
struct agx_resource *rsrc = agx_resource(surf->texture);
bool valid = agx_resource_valid(rsrc, surf->u.tex.level);