Changeset 72621 in vbox for trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/wddm/VBoxDispD3D.cpp

Timestamp:

Jun 20, 2018 11:27:14 AM (7 years ago)

Author:

vboxsync

Message:

WDDM: display driver: handle the case when VBOXWDDMDISP_DEVICE::DefaultContext is not initialized

File:

• trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/wddm/VBoxDispD3D.cpp (modified) (3 diffs)

trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/wddm/VBoxDispD3D.cpp

@@ -291 +291 @@
 static HRESULT vboxWddmDalNotifyChange(PVBOXWDDMDISP_DEVICE pDevice)
 {
+    if (!pDevice->DefaultContext.ContextInfo.hContext)
+        return E_FAIL;
+
     VBOXWDDMDISP_NSCADD NscAdd = { NULL }; /* Shuts up MSC. */
     BOOL bReinitRenderData = TRUE;
@@ -471 +474 @@
         else
         {
-            WARN(("vboxWddmDalNotifyChange failed %#x", hr));
+            // WARN(("vboxWddmDalNotifyChange failed %#x", hr));
             if (pAlloc->DirtyAllocListEntry.pNext)
                 vboxWddmDalRemove(pAlloc);
@@ -749 +752 @@
     if (cAllocsKm == Buf.SwapchainInfo.SwapchainInfo.cAllocs)
     {
+        AssertReturn(pDevice->DefaultContext.ContextInfo.hContext, E_FAIL);
+
         D3DDDICB_ESCAPE DdiEscape = {0};
         DdiEscape.hContext = pDevice->DefaultContext.ContextInfo.hContext;