From a766d27447aa0fcf69334c0467d9b1124892e180 Mon Sep 17 00:00:00 2001
From: Ellie Hermaszewska <ellieh@nvidia.com>
Date: Thu, 4 Sep 2025 04:05:26 +0800
Subject: Diagnose on structured buffers containing resources (#8222)

closes https://github.com/shader-slang/slang/issues/3313
---
 .../structuredbuffer-resource-static.slang         | 53 ++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 tests/diagnostics/structuredbuffer-resource-static.slang

(limited to 'tests/diagnostics/structuredbuffer-resource-static.slang')

diff --git a/tests/diagnostics/structuredbuffer-resource-static.slang b/tests/diagnostics/structuredbuffer-resource-static.slang
new file mode 100644
index 000000000..12cbe492e
--- /dev/null
+++ b/tests/diagnostics/structuredbuffer-resource-static.slang
@@ -0,0 +1,53 @@
+//DIAGNOSTIC_TEST:SIMPLE(filecheck=CHECK): -spirv
+
+struct WithStaticTexture
+{
+    float4 color;
+    static Texture2D tex;
+    float scale;
+}
+
+struct WithStaticSampler
+{
+    static SamplerState sampler;
+    float2 uv;
+}
+
+struct NestedWithStatic
+{
+    WithStaticTexture data;
+    float value;
+}
+
+// These should NOT produce error 38204 because resources are static
+//CHECK-NOT: error 38204
+StructuredBuffer<WithStaticTexture> bufferWithStaticTexture;
+
+//CHECK-NOT: error 38204
+StructuredBuffer<WithStaticSampler> bufferWithStaticSampler;
+
+//CHECK-NOT: error 38204
+StructuredBuffer<NestedWithStatic> bufferNestedStatic;
+
+RWStructuredBuffer<float4> output;
+
+Texture2D tex;
+SamplerState sampler;
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    uint i = dispatchThreadID.x;
+
+    WithStaticTexture.tex = tex;
+    WithStaticSampler.sampler = sampler;
+
+    // Use all non-static members and static resources
+    float4 result = bufferWithStaticTexture[i].color * bufferWithStaticTexture[i].scale
+                  + WithStaticTexture.tex.Sample(WithStaticSampler.sampler, bufferWithStaticSampler[i].uv)
+                  + bufferNestedStatic[i].data.color * bufferNestedStatic[i].data.scale
+                  + float4(bufferNestedStatic[i].value, 0, 0, 0);
+
+    output[i] = result;
+}
+
-- 
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