vbox的更動 28379 路徑 trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp

時間撮記:

2010-4-15 下午05:14:16 (15 年 以前)

作者:

vboxsync

訊息:

dev/VGA: avoid extra resizes when HGSMI & VBVA is used (for now enabled only when Wddm driver is isnatalled in the guest)

檔案:

• trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp (修改) (1 筆差異)

trunk/src/VBox/Devices/Graphics/DevVGA_VBVA.cpp

@@ -525 +525 @@
     pVGAState->pDrv->pfnVBVADisable (pVGAState->pDrv, uScreenId);
     return VINF_SUCCESS;
+}
+
+bool VBVAIsEnabled(PVGASTATE pVGAState)
+{
+    PHGSMIINSTANCE pHGSMI = pVGAState->pHGSMI;
+    if (pHGSMI)
+    {
+        VBVACONTEXT *pCtx = (VBVACONTEXT *)HGSMIContext(pHGSMI);
+        if (pCtx)
+        {
+            if (pCtx->cViews)
+            {
+                VBVAVIEW * pView = &pCtx->aViews[0];
+                if (pView->pVBVA)
+                    return true;
+            }
+        }
+    }
+    return false;
 }