Fix spirv builtin for `SV_ShadingRate`. (#3730)

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/spirv/shading-rate.slang b/tests/spirv/shading-rate.slang
new file mode 100644
index 000000000..638ed7548
--- /dev/null
+++ b/tests/spirv/shading-rate.slang
@@ -0,0 +1,7 @@
+//TEST:SIMPLE(filecheck=CHECK): -target spirv -entry main -emit-spirv-directly
+
+// CHECK: BuiltIn ShadingRateKHR
+[shader("fragment")]
+uint main(uint shading_rate : SV_ShadingRate) : SV_Target {
+    return shading_rate;
+}