[cairo-bugs] [Bug 92123] New: Incorrect cairo_fill when mixing antialias modes in multiple clippings

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Sep 25 15:21:24 PDT 2015


https://bugs.freedesktop.org/show_bug.cgi?id=92123

            Bug ID: 92123
           Summary: Incorrect cairo_fill when mixing antialias modes in
                    multiple clippings
           Product: cairo
           Version: 1.12.14
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: general
          Assignee: chris at chris-wilson.co.uk
          Reporter: frank.chou at opentv.com
        QA Contact: cairo-bugs at cairographics.org

Created attachment 118452
  --> https://bugs.freedesktop.org/attachment.cgi?id=118452&action=edit
Unit test to reproduce the bug

When clipping with mixed anti-aliasing, cairo_fill() draws incorrectly. See
attached unit test. This bug is reproducible on cairo 1.12.14 as well as cairo
1.14.2.

This bug seems related to Bug 42422.

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