[cairo-bugs] [Bug 50508] New: cairo 1.12 slows bitmap fonts rendering

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=50508

             Bug #: 50508
           Summary: cairo 1.12 slows bitmap fonts rendering
    Classification: Unclassified
           Product: cairo
           Version: 1.12.2
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: cworth at cworth.org
        ReportedBy: pfactum at gmail.com
         QAContact: cairo-bugs at cairographics.org


After updating from cairo 1.10 branch to cairo 1.12 branch it's almost
impossible to use bitmap fonts (such as Terminus) in terminal emulators (such
as guake or tilda). Font rendering is extremely slow as like as I work via ssh
on server that is located on the Moon.

Changing font to Liberation Mono (non-bitmap) fixes the issue, but this is not
desired solution.

I've read several bugreports that mention Nvidia drivers/graphic cards, but I'm
the owner of Intel card, and face this problem too.

Ready to post any required logs.

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