Changeset 3408 in vbox for trunk/src/VBox/Additions/WINNT

Timestamp:

Jul 4, 2007 8:25:34 AM (18 years ago)

Author:

vboxsync

Message:

Support 8 bits colour resolutions when VBOX_WITH_8BPP_MODES is defined.

File:

• trunk/src/VBox/Additions/WINNT/Graphics/Miniport/VBoxVideo.cpp (modified) (5 diffs)

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

@@ -209 +209 @@
     ULONG yOffset = vboxGetHeightReduction();
 
-#if 0 // do not support 8 bit video modes
+#ifdef VBOX_WITH_8BPP_MODES
     /*
      * 8 bit video modes
@@ -263 +263 @@
         ++matrixIndex;
     }
-#endif /* 0 */
+#endif /* VBOX_WITH_8BPP_MODES */
 
     /*
@@ -585 +585 @@
                     && yres
                     && (   (bpp == 16)
+#ifdef VBOX_WITH_8BPP_MODES
+                        || (bpp == 8)
+#endif
                         || (bpp == 24)
                         || (bpp == 32)))
@@ -617 +620 @@
                 switch (bpp)
                 {
+#ifdef VBOX_WITH_8BPP_MODES
+                    case 8:
+                        VideoModes[gNumVideoModes].NumberRedBits        = 6;
+                        VideoModes[gNumVideoModes].NumberGreenBits      = 6;
+                        VideoModes[gNumVideoModes].NumberBlueBits       = 6;
+                        VideoModes[gNumVideoModes].RedMask              = 0;
+                        VideoModes[gNumVideoModes].GreenMask            = 0;
+                        VideoModes[gNumVideoModes].BlueMask             = 0;
+                        break;
+#endif
                     case 16:
                         VideoModes[gNumVideoModes].NumberRedBits        = 5;
@@ -643 +656 @@
                 }
                 VideoModes[gNumVideoModes].AttributeFlags               = VIDEO_MODE_GRAPHICS | VIDEO_MODE_COLOR | VIDEO_MODE_NO_OFF_SCREEN;
+#ifdef VBOX_WITH_8BPP_MODES
+                if (bpp == 8)
+                    VideoModes[gNumVideoModes].AttributeFlags          |= VIDEO_MODE_PALETTE_DRIVEN | VIDEO_MODE_MANAGED_PALETTE;
+#endif
                 VideoModes[gNumVideoModes].VideoMemoryBitmapWidth       = xres;
                 VideoModes[gNumVideoModes].VideoMemoryBitmapHeight      = yres;