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asahi: Don't reload uninitialized surfaces

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Pointless. This should save some bandwidth in some cases (possibly mipmap
generation?)

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/20123>
This commit is contained in:
Alyssa Rosenzweig
2022-12-01 22:42:47 -05:00
parent 949a760c9f
commit dc4cf64a76
1 changed files with 7 additions and 2 deletions
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src/gallium/drivers/asahi/agx_state.c
+7 -2
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@@ -1581,14 +1581,19 @@ agx_build_meta(struct agx_batch *batch, bool store, bool partial_render)
/* TODO: Suppress stores to discarded render targets */
key.op[rt] = AGX_META_OP_STORE;
} else {
bool load = !(batch->clear & (PIPE_CLEAR_COLOR0 << rt));
struct agx_resource *rsrc = agx_resource(surf->texture);
bool valid = BITSET_TEST(rsrc->data_valid, surf->u.tex.level);
bool clear = (batch->clear & (PIPE_CLEAR_COLOR0 << rt));
bool load = valid && !clear;
/* The background program used for partial renders must always load
* whatever was stored in the mid-frame end-of-tile program.
*/
load |= partial_render;
key.op[rt] = load ? AGX_META_OP_LOAD : AGX_META_OP_CLEAR;
key.op[rt] = load ? AGX_META_OP_LOAD :
clear ? AGX_META_OP_CLEAR :
AGX_META_OP_NONE;
}
}