From 6ecfcf19109f1a5385ed6606b258c23975bd5648 Mon Sep 17 00:00:00 2001
From: Giovanni Mascellani <gmascellani@codeweavers.com>
Date: Sun, 28 Sep 2025 20:18:50 +0200
Subject: [PATCH] tests/hlsl: Add a test for SV_DispatchThreadId.

---
 tests/hlsl/compute.shader_test | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/tests/hlsl/compute.shader_test b/tests/hlsl/compute.shader_test
index cc6d6bbe6..8b28c4a44 100644
--- a/tests/hlsl/compute.shader_test
+++ b/tests/hlsl/compute.shader_test
@@ -20,3 +20,27 @@ void main()
 [test]
 dispatch 1 1 1
 probe uav 0 (0, 0) f32(-123.0)
+
+[require]
+shader model >= 5.0
+format r32g32b32a32-uint uav-load
+
+[uav 0]
+format r32g32b32a32-uint
+size (2d, 50, 50)
+
+[compute shader]
+RWTexture2D<uint4> u;
+
+    [numthreads(4, 4, 1)]
+void main(uint3 thread_id : SV_DispatchThreadId)
+{
+    if (thread_id.x < 50 && thread_id.y < 50)
+        u[thread_id.xy] = uint4(thread_id, 1);
+}
+
+[test]
+todo(msl) dispatch 13 13 1
+probe uav 0 (0, 0) u32(0, 0, 0, 1)
+probe uav 0 (14, 38) u32(14, 38, 0, 1)
+probe uav 0 (49, 49) u32(49, 49, 0, 1)