From d819ba4489b90955286341c739083e638173b938 Mon Sep 17 00:00:00 2001 From: FernandoS27 Date: Thu, 1 Apr 2021 08:34:45 +0200 Subject: shader: Implement ViewportIndex --- .../backend/spirv/emit_spirv_context_get_set.cpp | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp') diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp index 2eaeb29de..e42407f1f 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp +++ b/src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp @@ -29,7 +29,7 @@ std::optional AttrTypes(EmitContext& ctx, u32 index) { throw InvalidArgument("Invalid attribute type {}", type); } -Id OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) { +std::optional OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) { const u32 element{static_cast(attr) % 4}; const auto element_id{[&] { return ctx.Constant(ctx.U32[1], element); }}; if (IR::IsGeneric(attr)) { @@ -57,6 +57,8 @@ Id OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) { const Id clip_num{ctx.Constant(ctx.U32[1], index)}; return ctx.OpAccessChain(ctx.output_f32, ctx.clip_distances, clip_num); } + case IR::Attribute::ViewportIndex: + return ctx.ignore_viewport_layer ? std::nullopt : std::optional{ctx.viewport_index}; default: throw NotImplementedException("Read attribute {}", attr); } @@ -204,7 +206,11 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr) { } void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, Id value) { - ctx.OpStore(OutputAttrPointer(ctx, attr), value); + auto output = OutputAttrPointer(ctx, attr); + if (!output) { + return; + } + ctx.OpStore(*output, value); } void EmitGetAttributeIndexed(EmitContext&) { -- cgit v1.2.3