From 21893763c18d323af56d30db1bf878abbbdb9060 Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Thu, 30 Jan 2025 15:05:16 -0800
Subject: Declare `VariablePointers` capability when needed. (#6231)

---
 tests/spirv/variable-pointer.slang | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 tests/spirv/variable-pointer.slang

(limited to 'tests/spirv/variable-pointer.slang')

diff --git a/tests/spirv/variable-pointer.slang b/tests/spirv/variable-pointer.slang
new file mode 100644
index 000000000..47df42ce4
--- /dev/null
+++ b/tests/spirv/variable-pointer.slang
@@ -0,0 +1,25 @@
+//TEST:SIMPLE(filecheck=SPIRV): -target spirv
+
+//DISABLED_TEST:COMPARE_COMPUTE(filecheck-buffer=CHECK): -vk -output-using-type
+
+// SPIRV: OpCapability VariablePointers
+
+//TEST_INPUT:set buffer1 = ubuffer(data=[1.0], stride=4)
+StructuredBuffer<float> buffer1;
+//TEST_INPUT:set buffer2 = ubuffer(data=[2.0], stride=4)
+StructuredBuffer<float> buffer2;
+//TEST_INPUT:set output = out ubuffer(data=[0.0], stride=4)
+RWStructuredBuffer<float> output;
+
+[numthreads(2,1,1)]
+void computeMain(int id : SV_DispatchThreadID)
+{
+    StructuredBuffer<float> buffer;
+    if (id == 0)
+        buffer = buffer1;
+    else
+        buffer = buffer2;
+    output[id] = buffer[0];
+    // CHECK: 1.0
+    // CHECK: 2.0
+}
\ No newline at end of file
-- 
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