From 6e85d40ead14f96770be5bd27c15567f42a3838b Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Wed, 11 Jan 2023 14:21:32 +0000
Subject: [PATCH] Check HRESULT for fatal errors when reading back output
 windows on D3D11

---
 renderdoc/driver/d3d11/d3d11_outputwindow.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/renderdoc/driver/d3d11/d3d11_outputwindow.cpp b/renderdoc/driver/d3d11/d3d11_outputwindow.cpp
index 42676649e..599b7eac4 100644
--- a/renderdoc/driver/d3d11/d3d11_outputwindow.cpp
+++ b/renderdoc/driver/d3d11/d3d11_outputwindow.cpp
@@ -371,10 +371,17 @@ void D3D11Replay::GetOutputWindowData(uint64_t id, bytebuf &retData)
   }
 
   D3D11_MAPPED_SUBRESOURCE mapped = {};
-  ctx->Map(readback, 0, D3D11_MAP_READ, 0, &mapped);
+  hr = ctx->Map(readback, 0, D3D11_MAP_READ, 0, &mapped);
+  m_pDevice->CheckHRESULT(hr);
 
   retData.resize(outw.width * outw.height * 3);
 
+  if(FAILED(hr) || m_pDevice->HasFatalError())
+  {
+    RDCERR("Failed to Map HRESULT: %s", ToStr(hr).c_str());
+    return;
+  }
+
   byte *src = (byte *)mapped.pData;
   byte *dst = retData.data();