[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[Boudewijn Rempt]

https://bugs.kde.org/show_bug.cgi?id=364184

Boudewijn Rempt  changed:

   What|Removed |Added

 Resolution|--- |WONTFIX
 CC||b...@valdyas.org
 Status|UNCONFIRMED |RESOLVED

--- Comment #13 from Boudewijn Rempt  ---
I'm sorry, but after all this discussion -- this simply isn't something we can
resolve as a bug report. It clutters up bugzilla, but we cannot take action on
it in any way.

Between 2.9 and 3.0, we changed the version of the toolkit, which no doubt has
an influence on performance characteristics, as well as a whole lot of other
code. But we cannot go back to Qt 4.8...

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[Boudewijn Rempt]

https://bugs.kde.org/show_bug.cgi?id=364184

Boudewijn Rempt  changed:

   What|Removed |Added

 CC||renan.illustrat...@gmail.co
   ||m

--- Comment #12 from Boudewijn Rempt  ---
*** Bug 367602 has been marked as a duplicate of this bug. ***

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[Putra Arif Prasetyo via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

Putra Arif Prasetyo  changed:

   What|Removed |Added

 CC||putraarifprase...@gmail.com

--- Comment #10 from Putra Arif Prasetyo  ---
Created attachment 100451
  --> https://bugs.kde.org/attachment.cgi?id=100451=edit
The instant preview act slowly

The Instant Preview on Window's krita 3.0.1-Alpha is slower than 3.0. I attach
video that maybe help you :3

Here's my Rig's spec
Windows 10 Laptop
Nvidia 920m
Intel core i5
12 Gb Ram
Krita 3.0.1-alpha

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[eliotJ via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

--- Comment #11 from eliotJ  ---
at Putra Arif Prasetyo:

 "the last 3.0.1 dev build is slower than 3.0 -- because it doesn't have
Vc". This is the answer why do you have noticed slow down between 3.0 and
3.0.1.

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[Boudewijn Rempt via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

Boudewijn Rempt  changed:

   What|Removed |Added

 CC||brad.sp...@gmail.com

--- Comment #9 from Boudewijn Rempt  ---
*** Bug 364874 has been marked as a duplicate of this bug. ***

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

--- Comment #8 from katearche...@yandex.ru ---
(In reply to eliotJ from comment #7)
> @katearche...@yandex.ru
> 
> Hmmm... Sad news... Can you try also these testing on version of Krita with
> the same settings what you using (these version of Krita also has Instant
> Preview - would be cool if you will try with enabled and with disabled
> Instant Preview) ?:
> http://files.kde.org/krita/windows/krita_2.9.10.2ae_beta_x64.zip

Well. I have tried all three versions and results are pretty same:
2.9.11:  nice and smooth
2.9.10 beta: nice and smooth without Instant Preview, with it it become a
little laggy but barely noticeable.
3.0: not smooth at all with or without IP(without a little better but not that
much to make a difference)

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[eliotJ via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

--- Comment #7 from eliotJ  ---
@katearche...@yandex.ru

Hmmm... Sad news... Can you try also these testing on version of Krita with the
same settings what you using (these version of Krita also has Instant Preview -
would be cool if you will try with enabled and with disabled Instant Preview)
?:
http://files.kde.org/krita/windows/krita_2.9.10.2ae_beta_x64.zip

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

--- Comment #6 from katearche...@yandex.ru ---
(In reply to eliotJ from comment #5)
> @katearche...@yandex.ru
> 
> I discussed today with Dmitry (Krita's dev) and he showing what can be a
> issue: Turning off: 'View >> Instant Preview Mode'. Looks like after turned
> off these I get smooth navigate !
> 
> Can you also try these workaround ?

nope, didn't work out. Slightly better but still noticeable lags in paning and
zooming.

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[eliotJ via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

--- Comment #5 from eliotJ  ---
@katearche...@yandex.ru

I discussed today with Dmitry (Krita's dev) and he showing what can be a issue:
Turning off: 'View >> Instant Preview Mode'. Looks like after turned off these
I get smooth navigate !

Can you also try these workaround ?

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[eliotJ via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

--- Comment #4 from eliotJ  ---
@katearche...@yandex.ru

It's interesting that this bug also appearing on far more powerful PC than
my...

We both have Nvidia GPU, Win 7, Intel CPU... Maybe this bug appearing only on
this kind of hardwares + Windows OS...

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

--- Comment #3 from katearche...@yandex.ru ---
mine is i7/gtx965m/16gb ram and win7 system. So it is totally not the case of
an underpowered machine.

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[eliotJ via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

--- Comment #2 from eliotJ  ---
@katearche...@yandex.ru
Nice to see that you can reproduce my issue...

Can you give yours hardware specification ?

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

katearche...@yandex.ru changed:

   What|Removed |Added

 CC||katearche...@yandex.ru

--- Comment #1 from katearche...@yandex.ru ---
Have the same problem on windows: two kritas 2.9.11 and 3.0 run
simultaneously(openGL high quality on) and with the same file. 2.9.11 pan and
zoom smoothly, 3.0 has noticeable lag and not smooth at all.

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[krita] [Bug 364184] Navigating Canvas is slow (Pan, Rotate, Zoom)

[eliotJ via KDE Bugzilla]

https://bugs.kde.org/show_bug.cgi?id=364184

eliotJ  changed:

   What|Removed |Added

   Keywords||regression

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