Changeset 27839 in vbox for trunk/src/VBox/Additions/WINNT/Graphics/Miniport

Timestamp:

Mar 30, 2010 8:31:42 PM (15 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

59514

Message:

2d: working multi-monitor + some fixing for working with not-using-VRAM mode

Location:

trunk/src/VBox/Additions/WINNT/Graphics/Miniport

Files:

• VBoxVideo.cpp (modified) (1 diff)
• vboxioctl.h (modified) (2 diffs)

trunk/src/VBox/Additions/WINNT/Graphics/Miniport/VBoxVideo.cpp

@@ -2687 +2687 @@
             break;
         }
+# ifdef VBOX_WITH_VIDEOHWACCEL
+        case IOCTL_VIDEO_VHWA_QUERY_INFO:
+        {
+            if (RequestPacket->OutputBufferLength < sizeof (VHWAQUERYINFO))
+            {
+                dprintf(("VBoxVideo::VBoxVideoStartIO: Output buffer too small: %d needed: %d!!!\n",
+                         RequestPacket->OutputBufferLength, sizeof(VHWAQUERYINFO)));
+                RequestPacket->StatusBlock->Status = ERROR_INSUFFICIENT_BUFFER;
+                return FALSE;
+            }
+
+            if (!pDevExt->pPrimary->u.primary.bHGSMI)
+            {
+                RequestPacket->StatusBlock->Status = ERROR_INVALID_FUNCTION;
+                return FALSE;
+            }
+
+            VHWAQUERYINFO *pInfo = (VHWAQUERYINFO *)RequestPacket->OutputBuffer;
+            pInfo->offVramBase = (ULONG_PTR)pDevExt->ulFrameBufferOffset;
+            RequestPacket->StatusBlock->Information = sizeof (VHWAQUERYINFO);
+            Result = TRUE;
+            break;
+        }
+# endif
 #endif /* VBOX_WITH_HGSMI */
-
         default:
             dprintf(("VBoxVideo::VBoxVideoStartIO: Unsupported %p, fn %d(0x%x)\n",

trunk/src/VBox/Additions/WINNT/Graphics/Miniport/vboxioctl.h

@@ -63 +63 @@
 #define IOCTL_VIDEO_HGSMI_QUERY_PORTPROCS \
     CTL_CODE(FILE_DEVICE_VIDEO, 0x434, METHOD_BUFFERED, FILE_ANY_ACCESS)
+
+#define IOCTL_VIDEO_VHWA_QUERY_INFO \
+    CTL_CODE(FILE_DEVICE_VIDEO, 0x435, METHOD_BUFFERED, FILE_ANY_ACCESS)
 
 #endif /* VBOX_WITH_HGSMI */
@@ -167 +170 @@
 } HGSMIHANDLERDISABLE;
 
+# ifdef VBOX_WITH_VIDEOHWACCEL
+typedef struct _VHWAQUERYINFO
+{
+    ULONG_PTR offVramBase;
+} VHWAQUERYINFO;
+# endif
+
 #endif /* VBOX_WITH_HGSMI */
 #pragma pack()