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llvmpipe: ignore multisample state for alpha_to_one

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this is more accurate and fixes usage with lavapipe

cc: mesa-stable

Reviewed-by: Emma Anholt <emma@anholt.net>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/17627>
This commit is contained in:
Mike Blumenkrantz 2022-07-19 09:28:38 -04:00 • committed by Marge Bot
parent a884d1eb0e
commit 644f059a8d
1 changed files with 1 additions and 1 deletions
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2
src/gallium/drivers/llvmpipe/lp_state_fs.c
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@ -1082,7 +1082,7 @@ generate_fs_loop(struct gallivm_state *gallivm,
}
}
if (key->blend.alpha_to_one && key->multisample) {
if (key->blend.alpha_to_one) {
for (unsigned attrib = 0; attrib < shader->info.base.num_outputs; ++attrib) {
unsigned cbuf = shader->info.base.output_semantic_index[attrib];
if ((shader->info.base.output_semantic_name[attrib] == TGSI_SEMANTIC_COLOR) &&