Changeset 72621 in vbox for trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/wddm/VBoxUhgsmiDisp.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/VBoxUhgsmiDisp.cpp (modified) (2 diffs)

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

@@ -163 +163 @@
     PVBOXUHGSMI_PRIVATE_D3D pHg = VBOXUHGSMID3D_GET(pHgsmi);
     PVBOXWDDMDISP_DEVICE pDevice = pHg->pDevice;
+
+    AssertReturn(pDevice->DefaultContext.ContextInfo.hContext, VERR_GENERAL_FAILURE);
+
     UINT cbDmaCmd = pDevice->DefaultContext.ContextInfo.CommandBufferSize;
     int rc = vboxUhgsmiBaseDxDmaFill(aBuffers, cBuffers,
@@ -207 +210 @@
     PVBOXUHGSMI_PRIVATE_D3D pPrivate = VBOXUHGSMID3D_GET(pHgsmi);
     PVBOXWDDMDISP_DEVICE pDevice = pPrivate->pDevice;
+
+    AssertReturn(pDevice->DefaultContext.ContextInfo.hContext, VERR_GENERAL_FAILURE);
+
     D3DDDICB_ESCAPE DdiEscape = {0};
     DdiEscape.hContext = pDevice->DefaultContext.ContextInfo.hContext;