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-rw-r--r--src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp4
1 files changed, 4 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 8fc040f8b..6fa16eb80 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
@@ -156,6 +156,10 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr) {
return ctx.OpISub(ctx.U32[1], ctx.OpLoad(ctx.U32[1], ctx.vertex_index),
ctx.OpLoad(ctx.U32[1], ctx.base_vertex));
}
+ case IR::Attribute::FrontFace:
+ return ctx.OpSelect(ctx.U32[1], ctx.OpLoad(ctx.U1, ctx.front_face),
+ ctx.Constant(ctx.U32[1], std::numeric_limits<u32>::max()),
+ ctx.u32_zero_value);
default:
throw NotImplementedException("Read attribute {}", attr);
}