Changeset 50079 in vbox for trunk

Timestamp:

Jan 15, 2014 12:26:01 PM (11 years ago)

Author:

vboxsync

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

91599

Message:

DevVGA: take the size of the framebuffer into account.

File:

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

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

@@ -2351 +2351 @@
         full_update = true;
     }
+
+    if (pThis->fRenderVRAM)
+    {
+        /* Do not update the destination buffer if it is not big enough.
+         * Can happen if the resize request was ignored by the driver.
+         */
+        if (   pThis->pDrv->cx != (uint32_t)width
+            || pThis->pDrv->cy != (uint32_t)height
+            || pThis->pDrv->cBits != (uint32_t)bits)
+        {
+            Log(("Framebuffer mismatch: vga %dx%d@%d, drv %dx%d@%d!!!\n",
+                 width, height, bits,
+                 pThis->pDrv->cx, pThis->pDrv->cy, pThis->pDrv->cBits));
+            return VINF_SUCCESS;
+        }
+    }
+
     vga_draw_line = vga_draw_line_table[v * 4 + get_depth_index(pThis->pDrv->cBits)];