Fixes for Metal ParameterBlock support. (#4752)

1 files changed, 20 insertions, 0 deletions

diff --git a/tests/diagnostics/nested-constant-buffer-in-parameter-block.slang b/tests/diagnostics/nested-constant-buffer-in-parameter-block.slang
new file mode 100644
index 000000000..eb9ecdd14
--- /dev/null
+++ b/tests/diagnostics/nested-constant-buffer-in-parameter-block.slang
@@ -0,0 +1,20 @@
+//TEST:SIMPLE(filecheck=CHECK): -target metal
+
+struct S
+{
+    // CHECK-DAG: ([[# @LINE+1]]): error 56100:
+    ConstantBuffer<int> cb;
+}
+
+ParameterBlock<S> s;
+
+// CHECK-DAG: ([[# @LINE+1]]): error 56100:
+ParameterBlock<ConstantBuffer<int>> s2;
+
+RWStructuredBuffer<int> outputBuffer;
+
+[numthreads(1,1,1)]
+void kernelMain()
+{
+    outputBuffer[0] = s.cb + s2;
+}
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