From e4d7def727f75cee3f8fdfe6f286da2b8114b329 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Mon, 10 Jul 2023 12:23:07 -0700
Subject: Fix hit object emit for HLSL + FuncType specialization bug fix.
 (#2976)

* Fix hit object emit for HLSL.

* Fix a bug involving specialization of functon type.

* Add a test case.

---------

Co-authored-by: Yong He <yhe@nvidia.com>
---
 tests/bugs/func-type-specialize.slang | 36 +++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 tests/bugs/func-type-specialize.slang

(limited to 'tests')

diff --git a/tests/bugs/func-type-specialize.slang b/tests/bugs/func-type-specialize.slang
new file mode 100644
index 000000000..7e17c5c3d
--- /dev/null
+++ b/tests/bugs/func-type-specialize.slang
@@ -0,0 +1,36 @@
+//TEST:SIMPLE(filecheck=CHECK):-target hlsl -entry computeMain -profile cs_6_5 -validate-ir
+//TEST_INPUT:ubuffer(data=[0 0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<float> outputBuffer;
+
+// CHECK: void computeMain
+// CHECK: RayQuery<0
+interface IFoo
+{
+    int doThing<let f : int>(RayQuery<f> arr);
+}
+
+
+struct HitInfo
+{
+    static int makeHitInfo<let f : int>(RayQuery<f> q)
+    {
+        return 0;
+    }
+}
+
+struct Impl : IFoo
+{
+    int doThing<let f : int>(RayQuery<f> arr)
+    {
+        return HitInfo.makeHitInfo(arr);
+    }
+}
+
+RWStructuredBuffer<int> outVal;
+[numthreads(1, 1, 1)]
+void computeMain(uint3 dispatchThreadID: SV_DispatchThreadID)
+{
+    Impl impl;
+    RayQuery<0> q;
+    outVal[dispatchThreadID.x] = impl.doThing(q);
+}
\ No newline at end of file
-- 
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