Changeset 44038 in vbox for trunk

Timestamp:

Dec 5, 2012 9:58:56 AM (12 years ago)

Author:

vboxsync

Message:

wddm/display-only: fix required memory estimation

Location:

trunk/src/VBox/Additions/WINNT/Graphics/Video/mp

Files:

trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/common/VBoxMPDevExt.h

-              r43489
+              r44038
 #ifdef VBOX_WDDM_MINIPORT
+# ifdef VBOX_WDDM_WIN8
+extern DWORD g_VBoxDisplayOnly;
+# endif
 # include "wddm/VBoxMPTypes.h"
 #endif

-              r42217
+              r44038
 #else
     ULONG vramSize = vboxWddmVramCpuVisibleSegmentSize(pExt);
+    /* at least two surfaces will be needed: primary & shadow */
+    vramSize /= 2 * pExt->u.primary.commonInfo.cDisplays;
+    vramSize /= pExt->u.primary.commonInfo.cDisplays;
+# ifdef VBOX_WDDM_WIN8
+    if (!g_VBoxDisplayOnly)
+# endif
+    {
+        /* at least two surfaces will be needed: primary & shadow */
+        vramSize /= 2;
+    }
 #endif

-              r43489
+              r44038
 #define VBOXWDDM_CFG_STR_LOG_UM L"VBoxLogUm"
 extern DWORD g_VBoxLogUm;
-#ifdef VBOX_WDDM_WIN8
-extern DWORD g_VBoxDisplayOnly;
-#endif
 RT_C_DECLS_BEGIN

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