xorg-server-1.7-catalyst-maximize-fix/fedora_dont_backfill_bg_none.patch

   1 Disable backfilling of windows created with bg=none, which otherwise
   2 would force a framebuffer readback.
   3
   4 Index: xorg-server-1.2.0/composite/compalloc.c
   5 ===================================================================
   6 --- xorg-server-1.4.2/composite/compalloc.c.orig        2007-09-18 18:16:24.000000000 -0700
   7 +++ xorg-server-1.4.2/composite/compalloc.c     2007-09-18 18:16:48.000000000 -0700
   8 @@ -471,6 +471,7 @@ compNewPixmap (WindowPtr pWin, int x, in
   9      pPixmap->screen_x = x;
  10      pPixmap->screen_y = y;
  11
  12 +#if 0
  13      if (pParent->drawable.depth == pWin->drawable.depth)
  14      {
  15         GCPtr   pGC = GetScratchGC (pWin->drawable.depth, pScreen);
  16 @@ -529,6 +530,7 @@ compNewPixmap (WindowPtr pWin, int x, in
  17         if (pDstPicture)
  18             FreePicture (pDstPicture, 0);
  19      }
  20 +#endif
  21      return pPixmap;
  22  }
  23