Changeset 50933 in vbox for trunk/src/VBox/Additions/WINNT

Timestamp:

Mar 31, 2014 4:43:00 PM (11 years ago)

Author:

vboxsync

Message:

wddm: fix command preemption

File:

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

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

@@ -1000 +1000 @@
     bool fProcessed;
     uint8_t* pu8Cmd;
+    bool fFenceFound = false;
 
     while ((pu8Cmd = (uint8_t*)VBoxVBVAExBIterNext(&Iter, &cbBuffer, &fProcessed)) != NULL)
@@ -1010 +1011 @@
         if (pCmd->u32FenceID != u32FenceID)
             continue;
+
+        fFenceFound = true;
 
         if (!ASMAtomicCmpXchgU8(&pCmd->u8State, VBOXCMDVBVA_STATE_CANCELLED, VBOXCMDVBVA_STATE_SUBMITTED))
@@ -1021 +1024 @@
         return true;
     }
+
+    if (!fFenceFound)
+        vboxCmdVbvaDdiNotifyComplete(pDevExt, pVbva, &u32FenceID, DXGK_INTERRUPT_DMA_PREEMPTED);
 
     return false;