From e0f8f29fa7b91bf06c6bd067a34820328b373009 Mon Sep 17 00:00:00 2001
From: Jake Turner <jake@evansturner.co.uk>
Date: Sun, 6 Apr 2025 12:22:58 +0100
Subject: [PATCH] Add VK_Workgroup_Zoo unit tests for workgroup query functions

gl_SubgroupSize
gl_SubgroupInvocationID
subgroupElect()
---
 util/test/demos/vk/vk_subgroup_zoo.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/util/test/demos/vk/vk_subgroup_zoo.cpp b/util/test/demos/vk/vk_subgroup_zoo.cpp
index c4c373766..382833476 100644
--- a/util/test/demos/vk/vk_subgroup_zoo.cpp
+++ b/util/test/demos/vk/vk_subgroup_zoo.cpp
@@ -266,6 +266,13 @@ void main()
       data.x += subgroupAdd(id);
     }
   }
+  else if(IsTest(9))
+  {
+    // Query function : unit tests
+    data.x = float(gl_SubgroupSize);
+    data.y = float(gl_SubgroupInvocationID);
+    data.z = float(subgroupElect());
+  }
   SetOuput(data);
 }