[cairo-bugs] [Bug 5128] New: Issues with font drawing on non-RENDER X server

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https://bugs.freedesktop.org/show_bug.cgi?id=5128          
     
           Summary: Issues with font drawing on non-RENDER X server
           Product: cairo
           Version: 1.1.1
          Platform: Macintosh
        OS/Version: Mac OS X 10.0
            Status: NEW
          Severity: normal
          Priority: P2
         Component: ft font backend
        AssignedTo: otaylor at redhat.com
        ReportedBy: bogdanni at hotmail.com
         QAContact: cairo-bugs at cairographics.org


Not sure if the component (i.e. ft font backend) is correct.

I'm seeing this with a GTK+ application on X server without RENDER (VNC), cairo
HEAD (something similar happens with 1.0.2):

==30218== Use of uninitialised value of size 4
==30218==    at 0x1B96DC22: fbBltOne (icbltone.c:400)
==30218==    by 0x1B96927A: fbCompositeSolidMask_nx1xn (fbpict.c:953)
==30218==    by 0x1B96A7E4: INT_pixman_composite (fbpict.c:1894)
==30218==    by 0x1B94803E: _cairo_image_surface_composite
(cairo-image-surface.c:599)
==30218==    by 0x1B94F1DE: _cairo_surface_composite (cairo-surface.c:870)
==30218==    by 0x1B94DF6A: _cairo_scaled_font_show_glyphs (cairo-scaled-font.c:890)
==30218==    by 0x1B9507A5: _cairo_surface_old_show_glyphs_draw_func
(cairo-surface.c:1877)
==30218==    by 0x1B945668: _cairo_gstate_clip_and_composite (cairo-gstate.c:1123)
==30218==    by 0x1B9508B1: _cairo_surface_show_glyphs (cairo-surface.c:1927)
==30218==    by 0x1B9469E6: _cairo_gstate_show_glyphs (cairo-gstate.c:1987)
==30218==    by 0x1B9419CB: cairo_show_glyphs (cairo.c:2158)
==30218==    by 0x4355419A: (within /usr/lib/libpangocairo-1.0.so.0.1001.0)
==30218==    by 0x4363AA67: pango_renderer_draw_glyphs (in
/usr/lib/libpango-1.0.so.0.1001.0)
==30218==    by 0x43554733: pango_cairo_show_glyph_string (in
/usr/lib/libpangocairo-1.0.so.0.1001.0)          
     
     
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