[palapeli] [Bug 366796] Ctrl-click should never, ever deselect all pieces

2016-08-19 Thread Stefan Majewsky via KDE Bugzilla
https://bugs.kde.org/show_bug.cgi?id=366796

--- Comment #7 from Stefan Majewsky  ---
(In reply to Ian Wadham from comment #6)
> @Matthew: I had a brief look at how Palapeli is handling selects. It is
> mostly home-grown and could be changed, but I won't be fixing it.  See my
> reply to Christoph.

Yeah, that was a result of my naive over-engineering back in the day. It was on
my laundry list to rip out that monstrosity and move to simple hard-coded mouse
actions, see e.g. [1]. I don't have had the time for quite a while to hack on
KDE (and if I had, i would push the KF5 port through first), but if anyone
wants to cleanup this mess, then by all means go ahead. And CC me on the review
request if you like some extra pair of eyes that's familiar with the codebase
(or at least was 4 years ago).

[1]
https://majewsky.wordpress.com/2012/02/13/is-anyone-using-custom-mouse-actions-in-palapeli/

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[kwin] [Bug 365333] no redraws with OpenGL compositing backends on amdgpu driver

2016-07-10 Thread Stefan Majewsky via KDE Bugzilla
https://bugs.kde.org/show_bug.cgi?id=365333

--- Comment #5 from Stefan Majewsky  ---
Addendum for point 1 in comment 4: Seeing that message again is especially
critical in my situation since I moved from Catalyst to amdgpu, so the message
did not apply to me when I saw it for the first time (when I set it to "Reuse
screen content" while using the Catalyst driver).

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[kwin] [Bug 365333] no redraws with OpenGL compositing backends on amdgpu driver

2016-07-10 Thread Stefan Majewsky via KDE Bugzilla
https://bugs.kde.org/show_bug.cgi?id=365333

--- Comment #4 from Stefan Majewsky  ---
Interesting. Then there may be two UI issues in there:

1. I did not see that message since it only appears when moving to that
setting, not when the KCM starts out in it.

2. The message says "'Re-use screen content' causes severe performance problems
on MESA drivers." It should be reworded to e.g. "severe performance and
rendering problems", so people know what they're getting into when choosing
that.

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[kwin] [Bug 365333] no redraws with OpenGL compositing backends on amdgpu driver

2016-07-10 Thread Stefan Majewsky via KDE Bugzilla
https://bugs.kde.org/show_bug.cgi?id=365333

--- Comment #2 from Stefan Majewsky  ---
Created attachment 5
  --> https://bugs.kde.org/attachment.cgi?id=5&action=edit
glxinfo

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[kwin] [Bug 365333] no redraws with OpenGL compositing backends on amdgpu driver

2016-07-10 Thread Stefan Majewsky via KDE Bugzilla
https://bugs.kde.org/show_bug.cgi?id=365333

--- Comment #1 from Stefan Majewsky  ---
Created attachment 4
  --> https://bugs.kde.org/attachment.cgi?id=4&action=edit
qdbus org.kde.KWin /KWin supportInformation

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[kwin] [Bug 365333] New: no redraws with OpenGL compositing backends on amdgpu driver

2016-07-10 Thread Stefan Majewsky via KDE Bugzilla
https://bugs.kde.org/show_bug.cgi?id=365333

Bug ID: 365333
   Summary: no redraws with OpenGL compositing backends on amdgpu
driver
   Product: kwin
   Version: 5.7.0
  Platform: Archlinux Packages
OS: Linux
Status: UNCONFIRMED
  Severity: major
  Priority: NOR
 Component: compositing
  Assignee: kwin-bugs-n...@kde.org
  Reporter: majew...@gmx.net

Last week, on my desktop PC, I switched from Catalyst to the new
xf86-video-amdgpu driver since the Catalyst driver suddenly started having
problems rendering some Steam games. After rebooting to switch to the new
kernel and X driver, I was greeted by a black screen.

Alt-Shift-F12 resolved the problem, and a few more attempts of Alt-Shift-F12
showed that the screen stopped redrawing whenever compositing was enabled. The
only exception is the mouse cursor which still moves appropriately, and changes
shape according to the surface beneath it.

I checked different settings in the kwincompositing KCM and found that the bug
only appears under the following settings:

* Rendering backend: OpenGL 2.0 or 3.1 (XRender works fine)
* OpenGL interface: GLX (EGL works fine)
* Tearing prevention: Reuse screen content ("Full screen repaints" and "Only
when cheap" appear to work fine in a short test)

The bug is really only hit when all three settings are set to the problematic
values. I first saw the problem in kwin 5.6 (after I installed the amdgpu
driver), and waited until this week to see if 5.7 would help, but the problem
is still reproducible.

Reproducible: Always

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