[cairo-bugs] [Bug 60496] Gimp shows strange behaviour with cairo

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=60496

--- Comment #4 from Hartmut Kuhse <hk_priv at gmx.de> ---
I compiled 
gimp-2.8.6
pixman 1.31.1
cairo 1.12.15
all packages latest git-source.
The slowlyness with a pen with gimp is still there.
I made two videos that describes ist better:
This one with 
cairo 1.11.2
pixman 1.31.1
gimp-2.8.6

https://www.dropbox.com/s/g57fpv8oz13duz1/1.11.2.mkv

The behaviour is pretty good. The drawing follows the cursor.

This one with 
cairo 1.12.15
pixman 1.31.1
gimp-2.8.6

https://www.dropbox.com/s/tb0xkdgq2gc8nss/1.12.15.mkv

The drawing cannot follow the cursor and makes somewhat 'jumps' to follow
faster.

That only happens with a pen. The speed with the mouse is as good as with cairo
1.11.2.
The change is with 1.12.0, the version 1.11.2 is the last usable version for
windows (1.11.4 crashes immediately)

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