Summary:
A new method to tell the effects system whether the compositor scene
is able to drive animations. E.g. on software emulation (llvmpipe) it's
better to not do any animations at all.
This information can be used by effects to adjust their behavior, e.g.
PresentWindows could skip transitions or effects can use it in their
supported check to completely disable themselves.
As a first step all scripted effects are considered to be unsupported
if animations are not supported. They inherit AnimationEffect and are
all about driving animations.
The information whether animations are supported comes from the Scene.
It's implemented in the following way:
* XRender: animations are always supported
* QPainter: animations are never supported
* OpenGL: animations are supported, except for software emulation
In addition - for easier testing - there is a new env variable
KWIN_EFFECTS_FORCE_ANIMATIONS to overwrite the selection.
Reviewers: #kwin, #plasma
Subscribers: kwin
Tags: #kwin
Differential Revision: https://phabricator.kde.org/D2386
All KCMs and KWin core use the BuiltInEffects namespace to find and
interact with the effects. There is no information left in the desktop
file which are of usage. Thus they can be removed.
This method replaces the X-KDE-ORDERING property in the Effect's desktop
files. This change is a preparation step for integrating the new Effect
Loader which doesn't read the ordering information. Thus it needs to be
provided by the Effect itself so that the EffectsHandler can properly
insert it into the chain.
Also for the built-in Effects on the long run it doesn't make much sense
to install the desktop files. And binary plugin effects will migrate to
json metadata which also doesn't have the KService::Ptr. Thus overall it
simplifies to read this information directly from the Effect.
As all effects have always been compiled into the same .so file it's
questionable whether resolving the effects through a library is useful
at all. By linking against the built-in effects we gain the following
advantages:
* don't have to load/unload the KLibrary
* don't have to resolve the create, supported and enabled functions
* no version check required
* no dependency resolving (effects don't use it)
* remove the KWIN_EFFECT macros from the effects
All the effects are now registered in an effects_builtins file which
maps the name to a factory method and supported or enabled by default
methods.
During loading the effects we first check whether there is a built-in
effect by the given name and make a shortcut to create it through that.
If that's not possible the normal plugin loading is used.
Completely unscientific testing [1] showed an improvement of almost 10
msec during loading all the effects I use.
[1] QElapsedTimer around the loading code, start kwin five times, take
average.
REVIEW: 115073
* "" needs to be wrapped in QStringLiteral
* QString::fromUtf8 needed for const char* and QByteArray
* QByteArray::constData() needed to get to the const char*
This property can be used to check whether a window is currently visible
to the user, that is:
* not minimized
* on the current desktop
* on current activity
This is a common need for various effects.
REVIEW: 108341
The supportInformation is extended to also read the properties
on all effects. In addition each effect can be queried just for
itself through D-Bus, e.g.:
qdbus org.kde.kwin /KWin supportInformationForEffect kwin4_effect_blur
All effects are extended to provide their configured and read
settings through properties. In some cases also important
runtime information is exposed.
REVIEW: 105977
BUG: 305338
FIXED-IN: 4.9.1
Each effect is able to declare itself as currently being active,
that is transforming windows or painting or screen or doing anything
during the current rendered frame.
This change eliminates the hottest path inside KWin identified by
callgrind.
REVIEW: 102449
Client and Unmanaged use a signal to notify that they are about to be closed.
The EffectsHandlerImpl is connected to those signals and emits the appropriate
windowClosed signal to which the effects are connected.
Since the EffectFrames have been moved into KWin core nothing in the
Effects lib actually used Plasma. The only remaining method is moved
to core as it's not used in the Effects. The Effects itself still
link against Plasma, so nothing changes for them.
The Plasma includes in the kwineffects header seemed to pull in
quite some additional headers, so the includes in some effects have
to be adjusted (most often KConfigGroup). This should speed up the
compilation of the library and the effects.
svn path=/trunk/KDE/kdebase/workspace/; revision=1213663
The following changes were in SVN, but were removed from git:
M wallpapers/Air/metadata.desktop
M wallpapers/Autumn/metadata.desktop
M wallpapers/Blue_Wood/metadata.desktop
M wallpapers/Grass/metadata.desktop
M wallpapers/Hanami/metadata.desktop
M wallpapers/Horos/metadata.desktop
M wallpapers/Media_Life/metadata.desktop
M wallpapers/Plasmalicious/metadata.desktop
M wallpapers/Quadros/metadata.desktop
svn path=/trunk/KDE/kdebase/workspace/; revision=1191511
The following changes were in SVN, but were removed from git:
M wallpapers/Aghi/metadata.desktop
M wallpapers/Air/metadata.desktop
M wallpapers/Autumn/metadata.desktop
M wallpapers/Blue_Wood/metadata.desktop
M wallpapers/Ethais/metadata.desktop
M wallpapers/Evening/metadata.desktop
M wallpapers/Fields_of_Peace/metadata.desktop
M wallpapers/Finally_Summer_in_Germany/metadata.desktop
M wallpapers/Fresh_Morning/metadata.desktop
M wallpapers/Grass/metadata.desktop
M wallpapers/Hanami/metadata.desktop
M wallpapers/Media_Life/metadata.desktop
M wallpapers/Plasmalicious/metadata.desktop
M wallpapers/Quadros/metadata.desktop
M wallpapers/Red_Leaf/metadata.desktop
svn path=/trunk/KDE/kdebase/workspace/; revision=1177799
The following changes were in SVN, but were removed from git:
M wallpapers/Blue_Wood/metadata.desktop
M wallpapers/Ethais/metadata.desktop
M wallpapers/Fields_of_Peace/metadata.desktop
M wallpapers/Finally_Summer_in_Germany/metadata.desktop
M wallpapers/Grass/metadata.desktop
M wallpapers/Media_Life/metadata.desktop
M wallpapers/Quadros/metadata.desktop
svn path=/trunk/KDE/kdebase/workspace/; revision=1155392
The following changes were in SVN, but were removed from git:
M wallpapers/Autumn/metadata.desktop
M wallpapers/Blue_Wood/metadata.desktop
M wallpapers/Grass/metadata.desktop
M wallpapers/Hanami/metadata.desktop
svn path=/trunk/KDE/kdebase/workspace/; revision=1140600
The following changes were in SVN, but were removed from git:
M wallpapers/Autumn/metadata.desktop
M wallpapers/Blue_Wood/metadata.desktop
M wallpapers/Hanami/metadata.desktop
