Changeset 40489 in vbox for trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/xpdm/VBoxMPDriver.cpp

Timestamp:

Mar 15, 2012 5:14:31 PM (13 years ago)

Author:

vboxsync

Message:

Made XPDM driver get LFB base from PCI.

File:

• trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/xpdm/VBoxMPDriver.cpp (modified) (2 diffs)

trunk/src/VBox/Additions/WINNT/Graphics/Video/mp/xpdm/VBoxMPDriver.cpp

@@ -92 +92 @@
     VBOXMP_WARN_VPS(rc);
 
-    /* Call VideoPortGetAccessRanges to ensure interrupt info in ConfigInfo gets set up */
+    /* Call VideoPortGetAccessRanges to ensure interrupt info in ConfigInfo gets set up
+     * and to get LFB aperture data.
+     */
     {
         VIDEO_ACCESS_RANGE tmpRanges[4];
@@ -114 +116 @@
         }
         VBOXMP_WARN_VPS(rc);
+        if (rc != NO_ERROR) {
+            return rc;
+        }
+
+        /* The first range is the framebuffer. We require that information. */
+        pExt->u.primary.physLFBBase    = tmpRanges[0].RangeStart;
+        pExt->u.primary.ulApertureSize = tmpRanges[0].RangeLength;
     }