[cairo-bugs] [Bug 5289] New: performance issue with images randering

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Dec 8 09:21:09 PST 2005

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           Summary: performance issue with images randering
           Product: cairo
           Version: 1.0.2
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: xlib backend
        AssignedTo: cworth at cworth.org
        ReportedBy: seb128 at debian.org
         QAContact: cairo-bugs at cairographics.org
                CC: daniel at freedesktop.org

After upgrade xorg from 6.8.2 to 7.0rc3 on Ubuntu switching between workspaces
with GNOME is really slow (it takes like 1s to redraw the background).

As discussed on IRC setting "surface->buggy_repeat = TRUE" to
src/cairo-xlib-surface.c fixes the issue.

This file exposes the issue:
(from http://bugzilla.gnome.org/show_bug.cgi?id=306216)

with a 252x252 pixmap resizing the window is smooth and fast, with a 253x253 one
it takes a lot of CPU and jump every 1-2s to go to the next position.          
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