From 2ce4c0fb748a80fe3bb2360a80f2d72be3097203 Mon Sep 17 00:00:00 2001
From: Jake Turner <jake@evansturner.co.uk>
Date: Mon, 14 Apr 2025 16:31:38 +0100
Subject: [PATCH] Initialise WaveActiveBallot accumulator to zero

---
 renderdoc/driver/shaders/dxil/dxil_debug.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/renderdoc/driver/shaders/dxil/dxil_debug.cpp b/renderdoc/driver/shaders/dxil/dxil_debug.cpp
index a847b0a0d..55dd1fc53 100644
--- a/renderdoc/driver/shaders/dxil/dxil_debug.cpp
+++ b/renderdoc/driver/shaders/dxil/dxil_debug.cpp
@@ -3974,6 +3974,11 @@ bool ThreadState::ExecuteInstruction(DebugAPIWrapper *apiWrapper,
               // WaveActiveAllEqual(value)
               accum.value.u32v[0] = 1;
             }
+            else if(dxOpCode == DXOp::WaveActiveBallot)
+            {
+              // WaveActiveBallot(value)
+              accum.value.u32v[0] = 0;
+            }
             else
             {
               RDCERR("Unhandled dxOpCode %s", ToStr(dxOpCode).c_str());