Changeset 42093 in vbox for trunk/src/VBox/Additions/WINNT/Graphics/Video

Timestamp:

Jul 10, 2012 12:42:52 PM (13 years ago)

Author:

vboxsync

Message:

wddm: bugfix

File:

• trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPVidPn.cpp (modified) (1 diff)

trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/wddm/VBoxMPVidPn.cpp

@@ -2060 +2060 @@
 {
     vboxWddmAssignPrimary(pDevExt, pSource, pAllocation, srcId);
-    pSource->AllocData.SurfDesc.width = pVidPnSourceModeInfo->Format.Graphics.PrimSurfSize.cx;
-    pSource->AllocData.SurfDesc.height = pVidPnSourceModeInfo->Format.Graphics.PrimSurfSize.cy;
-    pSource->AllocData.SurfDesc.format = pVidPnSourceModeInfo->Format.Graphics.PixelFormat;
-    pSource->AllocData.SurfDesc.bpp = vboxWddmCalcBitsPerPixel(pVidPnSourceModeInfo->Format.Graphics.PixelFormat);
-    pSource->AllocData.SurfDesc.pitch = pVidPnSourceModeInfo->Format.Graphics.Stride;
-    pSource->AllocData.SurfDesc.depth = 1;
-    pSource->AllocData.SurfDesc.slicePitch = pVidPnSourceModeInfo->Format.Graphics.Stride;
-    pSource->AllocData.SurfDesc.cbSize = pVidPnSourceModeInfo->Format.Graphics.Stride * pVidPnSourceModeInfo->Format.Graphics.PrimSurfSize.cy;
+    /* pVidPnSourceModeInfo could be null if STATUS_GRAPHICS_MODE_NOT_PINNED,
+     * see vboxVidPnCommitSourceModeForSrcId */
+    if (pVidPnSourceModeInfo)
+    {
+        pSource->AllocData.SurfDesc.width = pVidPnSourceModeInfo->Format.Graphics.PrimSurfSize.cx;
+        pSource->AllocData.SurfDesc.height = pVidPnSourceModeInfo->Format.Graphics.PrimSurfSize.cy;
+        pSource->AllocData.SurfDesc.format = pVidPnSourceModeInfo->Format.Graphics.PixelFormat;
+        pSource->AllocData.SurfDesc.bpp = vboxWddmCalcBitsPerPixel(pVidPnSourceModeInfo->Format.Graphics.PixelFormat);
+        pSource->AllocData.SurfDesc.pitch = pVidPnSourceModeInfo->Format.Graphics.Stride;
+        pSource->AllocData.SurfDesc.depth = 1;
+        pSource->AllocData.SurfDesc.slicePitch = pVidPnSourceModeInfo->Format.Graphics.Stride;
+        pSource->AllocData.SurfDesc.cbSize = pVidPnSourceModeInfo->Format.Graphics.Stride * pVidPnSourceModeInfo->Format.Graphics.PrimSurfSize.cy;
+    }
     Assert(pSource->AllocData.SurfDesc.VidPnSourceId == srcId);
     pSource->bGhSynced = FALSE;