diff options
Diffstat (limited to 'src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp')
-rw-r--r-- | src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
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 14f470812..8ea730c80 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 @@ -355,6 +355,31 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, Id vertex) { } } +Id EmitGetAttributeU32(EmitContext& ctx, IR::Attribute attr, Id) { + switch (attr) { + case IR::Attribute::PrimitiveId: + return ctx.OpLoad(ctx.U32[1], ctx.primitive_id); + case IR::Attribute::InstanceId: + if (ctx.profile.support_vertex_instance_id) { + return ctx.OpLoad(ctx.U32[1], ctx.instance_id); + } else { + const Id index{ctx.OpLoad(ctx.U32[1], ctx.instance_index)}; + const Id base{ctx.OpLoad(ctx.U32[1], ctx.base_instance)}; + return ctx.OpISub(ctx.U32[1], index, base); + } + case IR::Attribute::VertexId: + if (ctx.profile.support_vertex_instance_id) { + return ctx.OpLoad(ctx.U32[1], ctx.vertex_id); + } else { + const Id index{ctx.OpLoad(ctx.U32[1], ctx.vertex_index)}; + const Id base{ctx.OpLoad(ctx.U32[1], ctx.base_vertex)}; + return ctx.OpISub(ctx.U32[1], index, base); + } + default: + throw NotImplementedException("Read U32 attribute {}", attr); + } +} + void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, Id value, [[maybe_unused]] Id vertex) { const std::optional<OutAttr> output{OutputAttrPointer(ctx, attr)}; if (!output) { |