Graphics

Timestamp:

Mar 11, 2009 3:50:37 PM (16 years ago)

Author:

vboxsync

Message:

HGSMI: the windows guest display drivers.

Location:

trunk/src/VBox/Additions/WINNT/Graphics

Files:

trunk/src/VBox/Additions/WINNT/Graphics/Display/drv.c

r17615	r17704
796	796	{
797	797	if (ppdev->pVBVA->u32HostEvents
798		& VB~~VA_F_MODE~~_VRDP_RESET)
	798	& VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET)
799	799	{
800	800	vrdpReset (ppdev);
801	801
802	802	ppdev->pVBVA->u32HostEvents &=
803		~VB~~VA_F_MODE~~_VRDP_RESET;
	803	~VBOX_VIDEO_INFO_HOST_EVENTS_F_VRDP_RESET;
804	804	}
805	805

-              r17665
+              r17704
     ULONG iDevice;
     uint32_t u32DisplayInfoSize;
+    uint32_t u32MinVBVABufferSize;
 #ifndef VBOX_WITH_HGSMI
 …
         iDevice = DispInfo.iDevice;
         u32DisplayInfoSize = DispInfo.u32DisplayInfoSize;
+        u32MinVBVABufferSize = 0; /* In old mode the buffer is not used at all. */
+    }
 #else
 …
     if (ppdev->bHGSMISupported)
+    {
-        /* In HGSMI mode the display driver decides about the size. */
         iDevice = info.iDevice;
+        u32DisplayInfoSize = VBVA_DISPLAY_INFORMATION_SIZE;
+        u32DisplayInfoSize = info.u32DisplayInfoSize;
+        u32MinVBVABufferSize = info.u32MinVBVABufferSize;
+    }
 #endif /* VBOX_WITH_HGSMI */
 …
             /* Use minimum 64K and maximum the cbFrameBuffer for the VBVA buffer. */
             for (ppdev->layout.cbVBVABuffer = ppdev->layout.cbFrameBuffer;
+#ifndef VBOX_WITH_HGSMI
                  ppdev->layout.cbVBVABuffer >= 0x10000;
+#else
+                 ppdev->layout.cbVBVABuffer >= u32MinVBVABufferSize;
+#endif /* VBOX_WITH_HGSMI */
                  ppdev->layout.cbVBVABuffer /= 2)
+            {

r17665	r17704
672	672	VBVAINFOSCREEN pScreen = (VBVAINFOSCREEN )p;
673	673
	674	pScreen->u32ViewIndex = ppdev->iDevice;
674	675	pScreen->i32OriginX = ppdev->ptlDevOrg.x;
675	676	pScreen->i32OriginY = ppdev->ptlDevOrg.y;

-              r17665
+              r17704
             pInfo->areaDisplay = pDevExt->areaDisplay;
+            pInfo->u32DisplayInfoSize   = VBVA_DISPLAY_INFORMATION_SIZE;
+            pInfo->u32MinVBVABufferSize = VBVA_MIN_BUFFER_SIZE;
             RequestPacket->StatusBlock->Information = sizeof(QUERYHGSMIRESULT);
             Result = TRUE;

-              r17583
+              r17704
     HGSMIAREA areaDisplay;
+    /* Size of the display information area. */
+    uint32_t u32DisplayInfoSize;
+    /* Minimum size of the VBAV buffer. */
+    uint32_t u32MinVBVABufferSize;
 } QUERYHGSMIRESULT;
 #endif /* VBOX_WITH_HGSMI */

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