From 17e97ca1b0b228de1db546a540d5fad13ed1f467 Mon Sep 17 00:00:00 2001
From: Jake Turner <jake@evansturner.co.uk>
Date: Wed, 8 Oct 2025 15:28:04 +0100
Subject: [PATCH] DXIL Debugger support for runtime Bitcast on a pointer source

---
 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 a19e20919..1d0b3fbeb 100644
--- a/renderdoc/driver/shaders/dxil/dxil_debug.cpp
+++ b/renderdoc/driver/shaders/dxil/dxil_debug.cpp
@@ -5312,6 +5312,11 @@ bool ThreadState::ExecuteInstruction(const rdcarray<ThreadState> &workgroup)
     case Operation::Bitcast:
     {
       RDCASSERTEQUAL(retType->bitWidth, inst.args[0]->type->bitWidth);
+      Id argId = GetArgumentId(0);
+      auto itPtr = m_Memory.m_Pointers.find(argId);
+      if(itPtr != m_Memory.m_Pointers.end())
+        m_Memory.m_Pointers[resultId] = itPtr->second;
+
       ShaderVariable a;
       RDCASSERT(GetShaderVariable(inst.args[0], opCode, dxOpCode, a));
       result.value = a.value;