Changeset 15867 in vbox

Timestamp:

Jan 8, 2009 2:25:02 PM (16 years ago)

Author:

vboxsync

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

41466

Message:

VGA device must take into account the start address of the visible screen when resizing the framebuffer (xTracker #3487).

File:

• trunk/src/VBox/Devices/Graphics/DevVGA.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Graphics/DevVGA.cpp

@@ -2105 +2105 @@
 {
     const unsigned cBits = s->get_bpp(s);
-    /** @todo r=sunlover: If the guest changes VBE_DISPI_INDEX_X_OFFSET, VBE_DISPI_INDEX_Y_OFFSET
-     *                    registers, then the third parameter of the following call should be
-     *                    probably 's->CTX_SUFF(vram_ptr) + s->vbe_start_addr'.
-     */
-    int rc = s->pDrv->pfnResize(s->pDrv, cBits, s->CTX_SUFF(vram_ptr), s->line_offset, cx, cy);
+
+    /* Take into account the programmed start address (in DWORDs) of the visible screen. */
+    int rc = s->pDrv->pfnResize(s->pDrv, cBits, s->CTX_SUFF(vram_ptr) + s->start_addr * 4, s->line_offset, cx, cy);
 
     /* last stuff */