[dxgi] Store device pointer in DxgiSwapChainDispatcher

adinq · Oct 20, 2022 · e311f25 · e311f25
1 parent 53a0c37
commit e311f25
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Showing 2 changed files with 8 additions and 3 deletions.
diff --git a/src/dxgi/dxgi_factory.cpp b/src/dxgi/dxgi_factory.cpp
@@ -177,7 +177,7 @@ namespace dxvk {
     }
 
     // Wrap object in swap chain dispatcher
-    *ppSwapChain = new DxgiSwapChainDispatcher(frontendSwapChain.ref());
+    *ppSwapChain = new DxgiSwapChainDispatcher(frontendSwapChain.ref(), pDevice);
     return S_OK;
   }
 

diff --git a/src/dxgi/dxgi_swapchain_dispatcher.h b/src/dxgi/dxgi_swapchain_dispatcher.h
@@ -8,8 +8,9 @@ namespace dxvk {
 
   public:
 
-    DxgiSwapChainDispatcher(IDXGISwapChain4* dispatch)
-      : m_dispatch(dispatch) {
+    DxgiSwapChainDispatcher(IDXGISwapChain4* dispatch, IUnknown* device)
+      : m_device(device),
+        m_dispatch(dispatch) {
     }
 
     virtual ~DxgiSwapChainDispatcher() {
@@ -296,6 +297,10 @@ namespace dxvk {
 
   private:
 
+    // m_device is not used or reference counted, provided for compatibility with mod engines
+    // which expect to find device pointer in the memory after swapchain interface.
+    IUnknown* m_device;
+
     IDXGISwapChain4* m_dispatch;
 
   };