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llvmpipe: add multisample alpha to one support

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Reviewed-by: Roland Scheidegger <sroland@vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4122>
This commit is contained in:
Dave Airlie 2020-03-20 19:30:06 +10:00 • committed by Marge Bot
parent 66a92e5d92
commit 69009949e0
1 changed files with 10 additions and 1 deletions
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11
src/gallium/drivers/llvmpipe/lp_state_fs.c
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@ -690,7 +690,16 @@ generate_fs_loop(struct gallivm_state *gallivm,
}
}
}
if (key->blend.alpha_to_one && key->multisample) {
for (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) &&
((cbuf < key->nr_cbufs) || (cbuf == 1 && dual_source_blend)))
if (outputs[cbuf][3]) {
LLVMBuildStore(builder, lp_build_const_vec(gallivm, type, 1.0), outputs[cbuf][3]);
}
}
}
if (shader->info.base.writes_samplemask) {
int smaski = find_output_by_semantic(&shader->info.base,
TGSI_SEMANTIC_SAMPLEMASK,