From 039ae9fa35ca27d0f41536b940f529356df197bc Mon Sep 17 00:00:00 2001
From: baldurk <baldurk@baldurk.org>
Date: Tue, 11 Nov 2025 13:43:24 +0000
Subject: [PATCH] Avoid crash if invalid internal image copy happens in pixel
 history

---
 renderdoc/driver/d3d12/d3d12_pixelhistory.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/renderdoc/driver/d3d12/d3d12_pixelhistory.cpp b/renderdoc/driver/d3d12/d3d12_pixelhistory.cpp
index 4a13fa774..e2da7212e 100644
--- a/renderdoc/driver/d3d12/d3d12_pixelhistory.cpp
+++ b/renderdoc/driver/d3d12/d3d12_pixelhistory.cpp
@@ -686,6 +686,12 @@ protected:
       return;
     }
 
+    if(p.copyFormat == DXGI_FORMAT_UNKNOWN)
+    {
+      RDCERR("Ignoring invalid source image format", p.x, p.y, srcDesc.Width, srcDesc.Height);
+      return;
+    }
+
     uint32_t baseMip = m_CallbackInfo.targetSubresource.mip;
     bool copy3d = m_CallbackInfo.targetDesc.Dimension == D3D12_RESOURCE_DIMENSION_TEXTURE3D;
     uint32_t baseSlice = m_CallbackInfo.targetSubresource.slice;