Use XDamageReportNonEmpty instead of XDamageReportRawRectangles.
In XDamageReportNonEmpty mode the server generates a single damage
event when the damage state transitions from not-damaged to damaged.
When the compositor is ready to paint the screen, it requests the
damage region for each window and resets the state to not-damaged.
With XCB we can request the damage regions for all windows in a
single roundtrip, making this the preferred mode.
This should reduce the number of wakeups and the time spent
processing damage events between repaints.
oxygenexceptionlistwidget: better check index validity in "edit" method. Also update buttons status after removing items, since
apparently selectionChanged signal is not sent by Qt.
CCBUG: 309388
oxygenexceptionlistwidget: better check index validity in "edit" method. Also update buttons status after removing items, since
apparently selectionChanged signal is not sent by Qt.
CCBUG: 309388
It appears that we're accidentally choosing an MSAA config with the
Intel driver in Mesa 9.0. So change the algorithm to take the values
of GLX_SAMPLES and GLX_SAMPLE_BUFFERS into account.
Found by Kenneth Graunke.
According to Pierre-Loup Griffais (Plagman on IRC) this is causing
choppy VDPAU video playback when compositing is enabled.
Removing these calls doesn't seem to cause any regressions, and the
commit that added them doesn't give a reason. So let's just get rid
of them for now.
(cherry picked from commit 20e6349843d9bb838673a301330d7dc5d08401a5)
Boxswitch is activated as tabbox, possibly due to a downstream issue
This results in multiple effects being assigned to the tabbox and no
GUI way for the user to fix this.
Since the BoxSwitch effects nowadays only exists as sidearm for
coverswitch, the tabbox setting is now hardcoded and disabled in the
effect, making it completely impossible to accidentally use it as tabbox.
BUG: 303387
REVIEW: 106695
FIXED-IN: 4.9.3
Boxswitch is activated as tabbox, possibly due to a downstream issue
This results in multiple effects being assigned to the tabbox and no
GUI way for the user to fix this.
Since the BoxSwitch effects nowadays only exists as sidearm for
coverswitch, the tabbox setting is now hardcoded and disabled in the
effect, making it completely impossible to accidentally use it as tabbox.
BUG: 303387
REVIEW: 106695
FIXED-IN: 4.9.3
Adjustment to reality. KWin has had a dependency on Mesa 8.0 for quite
some time given that it is what basically all distributions ship.
It is better to clearly state what is required. For KWin Mesa 8.0 is a
more reliable dependency as all DRI drivers which do not support DRI2
have been removed.
Packagers have been informed about this intended change some weeks ago.
REVIEW: 106799
During detecting the OpenGL capabilities also a recommended compositor
can be set. This recommendation is honoured by the OpenGL based
compositors. That is the SceneOpenGL2 requires a recommendation for at
least OpenGL2 and the SceneOpenGL1 requires at least a recommendation for
OpenGL1. If the driver recommends XRender compositing the SceneOpenGL
performs the existing fallback to XRender.
With this recommendation the hacks in the Scene are removed, e.g. it is
no longer checked whether the driver is software emulation as that is
provided through the recommendation.
To overrule the recommendation the environment variable KWIN_COMPOSE is
extended by the values O1 and O2 to enforce either OpenGL 1 or OpenGL 2.
This overwrites all other checks. As a side-effect this allows now to run
KWin on the llvmpipe:
LIBGL_ALWAYS_SOFTWARE=1 KWIN_COMPOSE=O2 kwin --replace &
But not that I would recommend to use it :-)
REVIEW: 106741
