[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Aron Budea  changed:

   What|Removed |Added

 Resolution|FIXED   |WORKSFORME

--- Comment #31 from Aron Budea  ---
Let's use status WORKSFORME, as the fixing change is unknown.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

kunzj...@yahoo.fr changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Status|NEW |RESOLVED

--- Comment #30 from kunzj...@yahoo.fr ---
Tested once again with several versions of LO, on windows 10 x64 1809.
Everything is the same as before on the test config except the graphics card
(was NV GTX 970, is now NV GTX 1080 Ti).

With 6.0.0.3, if I display 5 x 2 pages on screen with test file, and I scroll
using the page down arrow, the screen refreshes about 2 times per second in
openGL mode, vs. 4-5 times per second without openGL. 

With 6.0.7, in the same test, the speeds are the same.

With 6.2.0.2, in the same test, the screen refreshes 10-15 time per second in
openGL mode, vs. the unchanged figure of 4-5 times per second without openGL.

It seems therefore that some openGL performance bug was fixed between 6.0.7 and
6.2.0.2, and the behavior now seems normal.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #29 from Karsten  ---
A general discussion is needed:
https://bugs.documentfoundation.org/show_bug.cgi?id=122730

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Xisco Faulí  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=12
   ||1353

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Buovjaga  changed:

   What|Removed |Added

  Component|LibreOffice |Writer

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Aron Budea  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 Ever confirmed|0   |1

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Akshya Kumar  changed:

   What|Removed |Added

 Status|NEW |UNCONFIRMED
  Component|Writer  |LibreOffice
 Ever confirmed|1   |0

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #28 from kunzj...@yahoo.fr ---
Tested again with version 6.0.0.3 windows x64. Testing config is as before:
windows 10, 4K screen, NVidia GTX 970.

The bug is still present. Excerpt from comment #12 is still applicable with
updated approximate performance figures: 

If I display 5 x 2 pages on screen [with test file], and I try to scroll using
the down arrow, the screen refreshes less than [1-2] time per second in openGL
mode, vs. [5-10] times per second without openGL.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #27 from QA Administrators  ---
** Please read this message in its entirety before responding **

To make sure we're focusing on the bugs that affect our users today,
LibreOffice QA is asking bug reporters and confirmers to retest open, confirmed
bugs which have not been touched for over a year.

There have been thousands of bug fixes and commits since anyone checked on this
bug report. During that time, it's possible that the bug has been fixed, or the
details of the problem have changed. We'd really appreciate your help in
getting confirmation that the bug is still present.

If you have time, please do the following:

Test to see if the bug is still present with the latest version of LibreOffice
from https://www.libreoffice.org/download/

If the bug is present, please leave a comment that includes the information
from Help - About LibreOffice.

If the bug is NOT present, please set the bug's Status field to
RESOLVED-WORKSFORME and leave a comment that includes the information from Help
- About LibreOffice.

Please DO NOT

Update the version field
Reply via email (please reply directly on the bug tracker)
Set the bug's Status field to RESOLVED - FIXED (this status has a particular
meaning that is not 
appropriate in this case)


If you want to do more to help you can test to see if your issue is a
REGRESSION. To do so:
1. Download and install oldest version of LibreOffice (usually 3.3 unless your
bug pertains to a feature added after 3.3) from
http://downloadarchive.documentfoundation.org/libreoffice/old/

2. Test your bug
3. Leave a comment with your results.
4a. If the bug was present with 3.3 - set version to 'inherited from OOo';
4b. If the bug was not present in 3.3 - add 'regression' to keyword


Feel free to come ask questions or to say hello in our QA chat:
https://kiwiirc.com/nextclient/irc.freenode.net/#libreoffice-qa

Thank you for helping us make LibreOffice even better for everyone!

Warm Regards,
QA Team

MassPing-UntouchedBug

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #26 from hit...@yandex.ru  ---
Does not happen on version LO 4.3.3 and 5.2.5 with drivers NVIDIA 340.65 and
367.57 Debian 8 amd64. The developers have broken, repaired and silent? oO :)

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Aron Budea  changed:

   What|Removed |Added

   Keywords||perf
 CC||ba...@caesar.elte.hu

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Yousuf Philips (jay)  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
   Hardware|x86-64 (AMD64)  |All
 Ever confirmed|0   |1
 OS|Windows (All)   |All

--- Comment #25 from Yousuf Philips (jay)  ---
Setting it as NEW as hitche also repos it.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

hit...@yandex.ru  changed:

   What|Removed |Added

 CC||hit...@yandex.ru

--- Comment #24 from hit...@yandex.ru  ---
*** Bug 103386 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #23 from hit...@yandex.ru  ---
Confirm problem with drivers NVIDIA 340.65 and 367.57 in LO 5.1.5 (Debian 8
amd64).

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

kunzj...@yahoo.fr changed:

   What|Removed |Added

 Status|NEEDINFO|UNCONFIRMED
 Ever confirmed|1   |0

--- Comment #22 from kunzj...@yahoo.fr ---
tested with installer
master~2016-10-21_17.41.07_LibreOfficeDev_5.3.0.0.alpha1_Win_x86_en-US_de_ar_ja_ru_vec_qtz.msi
as requested.

The problem is still here.

a quick summary:
environment is Windows 10 x64 (1607), Nvidia GTX970, 372.54 driver, intel
i7-4770 processor (intel GPU disabled in bios), 3840x2160 resolution, text size
200%.

without openGL rendering, on the test document I provided, if display 5x2 pages
on-screen, and hit page-down, I get 5-6 fps. 

with openGL, the same test results in about 0.5-1 fps.

I see no other issues with openGL or hardware display acceleration on this
machine (in games or other applications), so I don't think any outside problem
interfers with LibrOffice.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Yousuf Philips (jay)  changed:

   What|Removed |Added

 Status|REOPENED|NEEDINFO
 CC||philip...@hotmail.com

--- Comment #21 from Yousuf Philips (jay)  ---
Hi kunzjacq,

Can you test the latest master build to see if there is any difference.

http://dev-builds.libreoffice.org/daily/master/Win-x86@62-merge-TDF/current/

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

kunzj...@yahoo.fr changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 Resolution|FIXED   |---

--- Comment #20 from kunzj...@yahoo.fr ---
Did the same test again (see comment #12), both with 5.1.4 and 5.2.0.0 beta2
x64. The result is unchanged: the CPU rendering is much faster than the openGL
rendering. The approximate figures given in comment #12 are still valid. I
don't see much difference between version 5.1.4 and 5.2.0.0 beta2.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Tomaz Vajngerl  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=99
   ||574

--- Comment #19 from Tomaz Vajngerl  ---
Scrolling issues is tracked in
https://bugs.documentfoundation.org/show_bug.cgi?id=99574

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Tomaz Vajngerl  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Commit Notification  changed:

   What|Removed |Added

 Whiteboard|target:5.1.3|target:5.1.3 target:5.2.0

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #18 from Commit Notification 
 ---
Tomaž Vajngerl committed a patch related to this issue.
It has been pushed to "master":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=56c5a0ba7781a325123852737970fa7f0179ff7f

tdf#94682 limit the number of textures for the glyph texture atlas

It will be available in 5.2.0.

The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
http://wiki.documentfoundation.org/Testing_Daily_Builds

Affected users are encouraged to test the fix and report feedback.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

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https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #17 from Commit Notification 
 ---
Tomaž Vajngerl committed a patch related to this issue.
It has been pushed to "libreoffice-5-1":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=f691a50a78c8f4f157fbb432efba059d723d=libreoffice-5-1

tdf#94682 limit the number of textures for the glyph texture atlas

It will be available in 5.1.3.

The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
http://wiki.documentfoundation.org/Testing_Daily_Builds

Affected users are encouraged to test the fix and report feedback.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #16 from Commit Notification 
 ---
Tomaž Vajngerl committed a patch related to this issue.
It has been pushed to "libreoffice-5-1":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=bd1bfeff238705fa89b4912865aa7cc6c4c1857f=libreoffice-5-1

tdf#94682 optimize texture drawing on Win. (squashed multi commits)

It will be available in 5.1.3.

The patch should be included in the daily builds available at
http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More
information about daily builds can be found at:
http://wiki.documentfoundation.org/Testing_Daily_Builds

Affected users are encouraged to test the fix and report feedback.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

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https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Commit Notification  changed:

   What|Removed |Added

 Whiteboard||target:5.1.3

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #15 from Michael Meeks  ---
Tomaz' patch significantly improves things here; but I think that much of the
perceived lag I see is because the scroll-bar when dragged does not update at
the same time as the window pane we are viewing =) it is out of sync and/or
delayed - I imagine this is down to a rendering sequence issue.

Tomaz - could you look at that ? =)

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

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https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Michael Meeks  changed:

   What|Removed |Added

 CC||kapel...@gmail.com

--- Comment #14 from Michael Meeks  ---
*** Bug 98279 has been marked as a duplicate of this bug. ***

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

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https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Michael Meeks  changed:

   What|Removed |Added

 CC||qui...@gmail.com

--- Comment #13 from Michael Meeks  ---
Tomaz has been working to improve text rendering performance.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

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https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #12 from kunzj...@yahoo.fr ---
I tested again the behavior today on LibreOffice 5.1 RC2 with exactly the same
settings as in my original bug report : windows 10 x64, 4k screen, Nvidia GTX
970 (now with drivers 361.43). Same file as before.

in OpenGL rendering mode, the rendering is somewhat faster that with version
5.0.2.2, but still **way** slower that when OpenGL is off. This is easily seen
when several pages are displayed at once. If I display 5 x 2 pages on screen,
and I try to scroll using the down arrow, the screen refreshes less than 1 time
per second in openGL mode, vs. 5-6 times per second without openGL.

With 5.0.2.2, The same experiment completely froze libreoffice in openGL mode,
so I guess that we can say that there is some improvement.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #8 from Tor Lillqvist  ---
I don't see any "extreme" slowness when scrolling, in a fresh build from the
5.1 branch, a build with --enable-debug even. This is on a medium performance
(?) AMD A10-7800 machine from last year.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

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https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #10 from kompilainenn <79045_79...@mail.ru> ---
Version: 5.1.0.1.0+
ID build: e9e641b39a98df8c6aef8d2f12f4a589ed887612
CPU Threads: 4; OS Version: Windows 6.1; UI Render: GL; 
TinderBox: Win-x86@62-merge-TDF, Branch:libreoffice-5-1, Time:
2016-01-12_11:37:42
Locale: ru-RU (ru_RU)

Video: Intel HD4000 with latest driver

1. the entire text of document is character "a". Why?

>happens on:
>version 5.0.2.2, windows 10, 4K screen, nvidia 9770 graphics card, x86_64 cpu

2. scrolling text with OpenGL - OK. Not slow, but sreen resolution 1366x768.

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

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https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #9 from Tor Lillqvist  ---
(But sure, I am the first one to admit that text rendering is far from ideal,
for correctness and probably also performance. For this sample document, I
can't reproduce any horrible slowness, though.)

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

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https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Tor Lillqvist  changed:

   What|Removed |Added

 Blocks|93592   |93529

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94682

--- Comment #11 from Tor Lillqvist  ---
>  entire text of document is character "a". Why?

Because the original document presumably was confidential? The bug reporter
does say it is a "test file"

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[Libreoffice-bugs] [Bug 94682] VIEWING: OpenGL text rendering performance.

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https://bugs.documentfoundation.org/show_bug.cgi?id=94682

Michael Meeks  changed:

   What|Removed |Added

Summary|VIEWING: OpenGL related |VIEWING: OpenGL text
   |performance regression  |rendering performance.
   |between versions 4.4 and|
   |5.0.2.2 (release)   |

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