From bca09b11269e253216577b603f78a92d949dfcf9 Mon Sep 17 00:00:00 2001
From: Jake Turner <jake@evansturner.co.uk>
Date: Tue, 26 Nov 2024 11:09:25 +0000
Subject: [PATCH] DXIL Control Flow added a simple if/then test case

---
 .../driver/shaders/dxil/dxil_controlflow.cpp  | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/renderdoc/driver/shaders/dxil/dxil_controlflow.cpp b/renderdoc/driver/shaders/dxil/dxil_controlflow.cpp
index 7dd82f64e..59aeed041 100644
--- a/renderdoc/driver/shaders/dxil/dxil_controlflow.cpp
+++ b/renderdoc/driver/shaders/dxil/dxil_controlflow.cpp
@@ -358,6 +358,27 @@ TEST_CASE("DXIL Control Flow", "[dxil]")
       REQUIRE(outputs.contains(4U));
     }
 
+    {
+      // Simple branch
+      // 0 -> 1
+      // 0 -> 2
+      // 1 -> 2
+      // 2 -> 3
+      // 2 -> 4
+      // 3 -> 4
+      rdcarray<BlockLink> inputs;
+      inputs.push_back({0, 1});
+      inputs.push_back({0, 2});
+      inputs.push_back({1, 2});
+      inputs.push_back({2, 3});
+      inputs.push_back({2, 4});
+      inputs.push_back({3, 4});
+      DXIL::FindUniformBlocks(inputs, outputs);
+      REQUIRE(3 == outputs.count());
+      REQUIRE(outputs.contains(0U));
+      REQUIRE(outputs.contains(2U));
+      REQUIRE(outputs.contains(4U));
+    }
     {
       // Finite loop (3 -> 4 -> 5 -> 3)
       // 0 -> 1 -> 3