From ab3831f6cb87d7f0a337cef6ecb4b1f63bfb0bb5 Mon Sep 17 00:00:00 2001 From: FernandoS27 Date: Wed, 14 Apr 2021 08:00:41 +0200 Subject: spirv: Fix alpha test --- src/shader_recompiler/backend/spirv/emit_spirv_special.cpp | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'src/shader_recompiler/backend/spirv/emit_spirv_special.cpp') diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_special.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_special.cpp index 8bb94f546..ae8b39f41 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_special.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_special.cpp @@ -65,6 +65,10 @@ void AlphaTest(EmitContext& ctx) { if (comparison == CompareFunction::Always) { return; } + if (!Sirit::ValidId(ctx.frag_color[0])) { + return; + } + const Id type{ctx.F32[1]}; const Id rt0_color{ctx.OpLoad(ctx.F32[4], ctx.frag_color[0])}; const Id alpha{ctx.OpCompositeExtract(type, rt0_color, 3u)}; @@ -74,6 +78,7 @@ void AlphaTest(EmitContext& ctx) { const Id alpha_reference{ctx.Constant(ctx.F32[1], ctx.profile.alpha_test_reference)}; const Id condition{ComparisonFunction(ctx, comparison, alpha, alpha_reference)}; + ctx.OpSelectionMerge(true_label, spv::SelectionControlMask::MaskNone); ctx.OpBranchConditional(condition, true_label, discard_label); ctx.AddLabel(discard_label); ctx.OpKill(); -- cgit v1.2.3