[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

Michael Meeks  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=96
   ||655

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[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

Adolfo Jayme  changed:

   What|Removed |Added

 Whiteboard| target:5.1.0 target:5.0.3  |target:5.1.0 target:5.0.2
   |target:5.0.2|

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[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

--- Comment #6 from Michael Meeks  ---
> (I even saw this with OpenGL not enabled. Resizing an presentation.
> Didn't do any additional tests though)

There is a similar, but far less irritating flicker in 4.4 - though 4.4 doesn't
clear the background to black before rendering, so much less noticable I think
=) OpenGL default to on on Windows with suitable modern hardware in 5.0.2
(FWIW).

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[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

--- Comment #7 from Commit Notification 
 ---
Michael Meeks committed a patch related to this issue.
It has been pushed to "master":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=4af40495b7dcdac3add67c634dde75c896e370d9

tdf#94213 - cleanup associated GL contexts properly when DCs released.

It will be available in 5.1.0.

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 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213
Bug 94213 depends on bug 94252, which changed state.

Bug 94252 Summary: Gratuitous GL context switching.
https://bugs.documentfoundation.org/show_bug.cgi?id=94252

   What|Removed |Added

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

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[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

Commit Notification  changed:

   What|Removed |Added

 Whiteboard| target:5.1.0   | target:5.1.0 target:5.0.3

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[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

--- Comment #9 from Commit Notification 
 ---
Michael Meeks committed a patch related to this issue.
It has been pushed to "libreoffice-5-0":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=b62f83c88b725d936b09cdd28a5ab625ac7c6d3e=libreoffice-5-0

tdf#94213 - defer glFlushing until we've re-rendered after a re-size.

It will be available in 5.0.3.

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 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

--- Comment #10 from Commit Notification 
 ---
Michael Meeks committed a patch related to this issue.
It has been pushed to "libreoffice-5-0":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=f7554e3e6ff17c850f444bd58767e68e8741387a=libreoffice-5-0

tdf#94213 - calc re-size flicker turns out to be the status bar.

It will be available in 5.0.3.

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 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

Michael Meeks  changed:

   What|Removed |Added

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

--- Comment #8 from Michael Meeks  ---
Mostly fixed by now - though there are a number of patches needed; ideally we
can render the windows without a context switch now - although sometimes when
sizing something lumpy happens to the toolbar (some expander widget or
somesuch) which gives an occasional stall. Nevertheless, it looks rather better
than 4.4 at its worst.

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[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

Commit Notification  changed:

   What|Removed |Added

 Whiteboard| target:5.1.0 target:5.0.3  | target:5.1.0 target:5.0.3
   ||target:5.0.2

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[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

--- Comment #11 from Commit Notification 
 ---
Michael Meeks committed a patch related to this issue.
It has been pushed to "libreoffice-5-0-2":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=d6698cca4e22341a81573d9926ade127230e12a6=libreoffice-5-0-2

tdf#94213 - defer glFlushing until we've re-rendered after a re-size.

It will be available in 5.0.2.

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 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

--- Comment #12 from Commit Notification 
 ---
Michael Meeks committed a patch related to this issue.
It has been pushed to "libreoffice-5-0-2":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=41c56c26285307eb451819d49c47d7623c4555e2=libreoffice-5-0-2

tdf#94213 - calc re-size flicker turns out to be the status bar.

It will be available in 5.0.2.

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 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

Michael Meeks  changed:

   What|Removed |Added

 CC||qui...@gmail.com

--- Comment #3 from Michael Meeks  ---
This is a pretty grim issue, but showing up some other rather useful drop-offs.
It appears that patch #1 fixes the re-sizing for the first window rather
nicely. 

https://gerrit.libreoffice.org/18601 tdf#94213 - release offscreen texture
properly on re-size.
Then fixes the unit test breakage from patch #1 - make check passes again.

Unfortunately (and amazingly) the 2nd window behaves differently to the 1st
window - (the first window includes a shell that has been converted into a
document type). After some hours of head scratching & debugging it seems this
is
almost certainly related to virtual-device re-use when a VirtualDevice's
OpenGLContext is associated with a window that is not the window we want to
render to - then ... we get issues, and undesirable context switches - which in
turn appear to cause flicker. It is assumed that a GL context switch implies a
glFlush (which we're trying to avoid at all costs to avoid flicker - at least
until the double buffering is perfect & enabled).

So:

https://gerrit.libreoffice.org/18602 tdf#94213 - calc re-size flicker turns out
to be the status bar.

Fixes calc for re-sizing - by turning off some un-necessary virtual-dev bits in
the status bar, and also forcing an invalidate on device re-size; that appears
to affect only the widget in the top-left corner that doesn't move or re-size
when the window shrinks vertically ...

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[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

--- Comment #4 from Commit Notification 
 ---
Michael Meeks committed a patch related to this issue.
It has been pushed to "master":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=a60db559d409514fb93af0167c543ad2f852b499

tdf#94213 - calc re-size flicker turns out to be the status bar.

It will be available in 5.1.0.

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 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

--- Comment #5 from Commit Notification 
 ---
Michael Meeks committed a patch related to this issue.
It has been pushed to "master":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=6f0f4ee720ef1e8262731f59f254b83d5bdd058c

tdf#94213 - release offscreen texture properly on re-size.

It will be available in 5.1.0.

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 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

Michael Meeks  changed:

   What|Removed |Added

 Depends on||94252

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[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

Commit Notification  changed:

   What|Removed |Added

 Whiteboard|| target:5.1.0

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[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

--- Comment #1 from Commit Notification 
 ---
Michael Meeks committed a patch related to this issue.
It has been pushed to "master":

http://cgit.freedesktop.org/libreoffice/core/commit/?id=4a55670e2453cdb9895f51bbd4051f7004d768c5

tdf#94213 - defer glFlushing until we've re-rendered after a re-size.

It will be available in 5.1.0.

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 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

Michael Meeks  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 CC||markus.mohrhard@googlemail.
   ||com
 Blocks||93529
 Ever confirmed|0   |1

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[Libreoffice-bugs] [Bug 94213] horrible flickering on window resize

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94213

Cor Nouws  changed:

   What|Removed |Added

 CC||c...@nouenoff.nl

--- Comment #2 from Cor Nouws  ---
(I even saw this with OpenGL not enabled..
Resizing an presentation. Didn't do any additional tests though)

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