Changeset 8420 in vbox for trunk/src

Timestamp:

Apr 28, 2008 1:18:31 PM (17 years ago)

Author:

vboxsync

Message:

Save current video mode parameters before rebuilding the video mode table (Windows guest).

File:

• trunk/src/VBox/Additions/WINNT/Graphics/Miniport/VBoxVideo.cpp (modified) (2 diffs)

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

@@ -201 +201 @@
     size_t matrixIndex;
     VP_STATUS status = 0;
+
+    ULONG CurrentModeWidth = 0;
+    ULONG CurrentModeHeight = 0;
+    ULONG CurrentModeBPP = 0;
+    
+    if (DeviceExtension->CurrentMode != 0)
+    {
+        /* Save current video mode parameters because VideoModes array will be now rebuilt from scratch. */
+        CurrentModeWidth  = VideoModes[DeviceExtension->CurrentMode - 1].VisScreenWidth;
+        CurrentModeHeight = VideoModes[DeviceExtension->CurrentMode - 1].VisScreenHeight;
+        CurrentModeBPP    = VideoModes[DeviceExtension->CurrentMode - 1].BitsPerPlane;
+    }
 
     /*
@@ -569 +581 @@
         {
             if (!xres)
-                xres = VideoModes[DeviceExtension->CurrentMode - 1].VisScreenWidth;
+                xres = CurrentModeWidth;
             if (!yres)
-                yres = VideoModes[DeviceExtension->CurrentMode - 1].VisScreenHeight;
+                yres = CurrentModeHeight;
             if (!bpp)
             {
-                bpp  = VideoModes[DeviceExtension->CurrentMode - 1].BitsPerPlane;
+                bpp  = CurrentModeBPP;
 #ifdef DEBUG_frank
                 {