[cairo] [PATCH] pixman: Implement PIXMAN_REPEAT_REFLECT for images

Thomas Jaeger thjaeger at gmail.com
Thu Jan 22 00:22:37 PST 2009

Sorry, I missed a special case that is present in git but not in 0.13.2.
An updated patch is attached.

Thomas Jaeger wrote:
> In the case of EXTEND_REFLECT, it won't work at all unless the driver
> accelerates it, since pixman currently doesn't have support for REFLECT
> at all.  I've attached a patch that addresses the issue (hope this is
> the right mailing list).  Caveats: I wasn't familiar with the pixman
> source.  When it didn't work right away after changing
> pixman-transformed.c, I simply made sure that REFLECT uses the same path
> as PAD everywhere.  This isn't very well-tested (I basically just tested
>  [2]) and there's probably room for optimization, but I doubt REFLECT is
> used very much anyway.
> Zack Weinberg wrote:
>> ... because whether or not Render's equivalent of
>> EXTEND_PAD/EXTEND_REFLECT actually *work* is dependent on the exact
>> version of your X server and video drivers.  Render protocol 0.10 isn't
>> good enough.  There are some cairo-only test cases in [2].
>> [2] https://bugzilla.mozilla.org/show_bug.cgi?id=468496

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