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radeonsi/gfx11: export alpha through mrtz for alpha-to-coverage if mrtz is there

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If both mrtz and alpha-to-coverage are enabled, the alpha channel must
be exported through mrtz.

Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/16328>
This commit is contained in:
Yogesh Mohan Marimuthu
2022-02-11 01:24:56 +05:30
committed by Marge Bot
parent 167b378377
commit 12a606c1bd
7 changed files with 37 additions and 6 deletions
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src/amd/vulkan/radv_nir_to_llvm.c
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@@ -1775,7 +1775,7 @@ radv_export_mrt_z(struct radv_shader_context *ctx, LLVMValueRef depth, LLVMValue
{
struct ac_export_args args;
ac_export_mrt_z(&ctx->ac, depth, stencil, samplemask, true, &args);
ac_export_mrt_z(&ctx->ac, depth, stencil, samplemask, NULL, true, &args);
ac_build_export(&ctx->ac, &args);
}