[Libreoffice-bugs] [Bug 137468] Severe performance degradation on a macOS with a 5K display

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=137468

--- Comment #26 from Leo Wang <ilford at gmail.com> ---
(In reply to Tor Lillqvist from comment #25)
> Leo, sadly the colour space change had to be reverted, see above.
> 
> Do you think using CGColorSpaceCreateDeviceRGB() instead of
> CGDisplayCopyColorSpace(CGMainDisplayID()) would also help for the
> performance? That doesn't make the unit test fail. But on the other hand,
> CGColorSpaceCreateDeviceRGB() is weird. What does it actually do? The docs
> say that it returns "a device-dependent RGB color space", but not say for
> what device.

CGDisplayCopyColorSpace(CGMainDisplayID()) brings performance improvement in my
5K 10-bit display.

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