diff options
Diffstat (limited to 'src/shader_recompiler/backend/spirv/spirv_emit_context.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/spirv/spirv_emit_context.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp index cd3394bdf0..b9a24496c9 100644 --- a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp +++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp @@ -1670,13 +1670,22 @@ void EmitContext::DefineOutputs(const IR::Program& program) { break; case Stage::Fragment: for (u32 index = 0; index < 8; ++index) { - if (!info.stores_frag_color[index] && !profile.need_declared_frag_colors) { + const bool need_dual_source = runtime_info.dual_source_blend && index <= 1; + if (!need_dual_source && !info.stores_frag_color[index] && + !profile.need_declared_frag_colors) { continue; } const Id type{GetAttributeType(*this, runtime_info.color_output_types[index])}; frag_color[index] = DefineOutput(*this, type, std::nullopt); - Decorate(frag_color[index], spv::Decoration::Location, index); - Name(frag_color[index], fmt::format("frag_color{}", index)); + // Correct mapping for dual-source blending + if (runtime_info.dual_source_blend && index <= 1) { + Decorate(frag_color[index], spv::Decoration::Location, 0u); + Decorate(frag_color[index], spv::Decoration::Index, index); + Name(frag_color[index], index == 0 ? "frag_color0" : "frag_color0_secondary"); + } else { + Decorate(frag_color[index], spv::Decoration::Location, index); + Name(frag_color[index], fmt::format("frag_color{}", index)); + } } if (info.stores_frag_depth) { frag_depth = DefineOutput(*this, F32[1], std::nullopt); |