diff options
| author | Dave Airlie <[email protected]> | 2020-03-20 19:30:06 +1000 |
|---|---|---|
| committer | Marge Bot <[email protected]> | 2020-05-06 06:20:37 +0000 |
| commit | 69009949e0418d0b1907fd31f486058642c90c92 (patch) | |
| tree | 093c3224a304a06180fc2d96aead9776e09b6e1f /src | |
| parent | 66a92e5d923a2e6b948c71f37a6b109a00938e9f (diff) | |
llvmpipe: add multisample alpha to one support
Reviewed-by: Roland Scheidegger <[email protected]>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4122>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_fs.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c index 15ec9048052..cf0a68ecc8d 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c @@ -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, |