diff --git a/src/d3d11/d3d11_swapchain.cpp b/src/d3d11/d3d11_swapchain.cpp
index 58104f467..4c727c177 100644
--- a/src/d3d11/d3d11_swapchain.cpp
+++ b/src/d3d11/d3d11_swapchain.cpp
@@ -257,6 +257,9 @@ namespace dxvk {
     if (!(PresentFlags & DXGI_PRESENT_TEST))
       m_dirty |= m_presenter->setSyncInterval(SyncInterval) != VK_SUCCESS;
 
+    if (pPresentParameters)
+      Logger::err(str::format("dirty rects: ", pPresentParameters->DirtyRectsCount, ", scroll: ", !!pPresentParameters->pScrollRect));
+
     HRESULT hr = S_OK;
 
     if (!m_presenter->hasSwapChain()) {