From b6925a64fb8659872a531c10a37d0c0155e158ce Mon Sep 17 00:00:00 2001
From: Jake Turner <jake@evansturner.co.uk>
Date: Wed, 20 May 2026 09:44:00 +0100
Subject: [PATCH] PostDraw callback change the commands signature used in
 ExecuteIndirect

The same scenario as HandlePrecallback() modifying the command signature
---
 renderdoc/driver/d3d12/d3d12_command_list_wrap.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/renderdoc/driver/d3d12/d3d12_command_list_wrap.cpp b/renderdoc/driver/d3d12/d3d12_command_list_wrap.cpp
index 277363f22..e1e925f46 100644
--- a/renderdoc/driver/d3d12/d3d12_command_list_wrap.cpp
+++ b/renderdoc/driver/d3d12/d3d12_command_list_wrap.cpp
@@ -4454,6 +4454,9 @@ bool WrappedID3D12GraphicsCommandList::Serialise_ExecuteIndirect(
             {
               if(eventId && m_Cmd->m_ActionCallback->PostDraw(eventId, list))
               {
+                // Allow the callback to recreate the command signature i.e. to match the root signature
+                pCommandSignature = m_Cmd->m_IndirectData.commandSig;
+
                 Unwrap(list)->ExecuteIndirect(Unwrap(pCommandSignature), 1, argBuffer, argOffset,
                                               NULL, 0);
                 m_Cmd->m_ActionCallback->PostRedraw(eventId, list);