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-struct.slang         | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 tests/diagnostics/structuredbuffer-resource-struct.slang

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

diff --git a/tests/diagnostics/structuredbuffer-resource-struct.slang b/tests/diagnostics/structuredbuffer-resource-struct.slang
new file mode 100644
index 000000000..8654b0ad6
--- /dev/null
+++ b/tests/diagnostics/structuredbuffer-resource-struct.slang
@@ -0,0 +1,46 @@
+//DIAGNOSTIC_TEST:SIMPLE(filecheck=CHECK): -target spirv
+
+struct WithTexture
+{
+    float4 color;
+    Texture2D tex;
+    float scale;
+}
+
+struct WithSampler
+{
+    SamplerState sampler;
+    float2 uv;
+}
+
+struct Nested
+{
+    WithTexture data;
+    float value;
+}
+
+//CHECK-DAG: ([[# @LINE+1]]): error 38204
+StructuredBuffer<WithTexture> bufferWithTexture;
+
+//CHECK-DAG: ([[# @LINE+1]]): error 38204
+StructuredBuffer<WithSampler> bufferWithSampler;
+
+//CHECK-DAG: ([[# @LINE+1]]): error 38204
+StructuredBuffer<Nested> bufferNested;
+
+RWStructuredBuffer<float4> output;
+
+[numthreads(4, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    uint i = dispatchThreadID.x;
+
+    // Use all struct members from all buffers
+    float4 result = bufferWithTexture[i].color * bufferWithTexture[i].scale
+                  + bufferWithTexture[i].tex.Sample(bufferWithSampler[i].sampler, bufferWithSampler[i].uv)
+                  + bufferNested[i].data.tex.Sample(bufferWithSampler[0].sampler, float2(0, 0)) * bufferNested[i].data.scale
+                  + float4(bufferNested[i].value, 0, 0, 0);
+
+    output[i] = result;
+}
+
-- 
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