https://bugs.kde.org/show_bug.cgi?id=376648
Bug ID: 376648
Summary: Magic lamp produces artifacts when "minimizing" to
tray
Product: kwin
Version: 5.9.0
Platform: Other
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: effects-various
Assignee: kwin-bugs-n...@kde.org
Reporter: k...@jbev.net
Target Milestone: ---
When an application minimizes to tray (i.e. minimizes and then hides the
window, so there is no taskbar button anymore), the magic lamp effect is
targeted towards the cursor position instead of the taskbar. This works well
most of the time, but sometimes it creates severe rendering artifacts in the
form of moving vertical or horizontal bars. This effect is especially obvious
when the cursor position is more to the center of the screen than to the edges.
To generally improve the visuals of that effect, it would maybe also be good
not to use the cursor position as a single pixel but rather an area of a few
pixels. I don't know if that would get rid of the above-mentioned artifacts,
but it would overall look less glitchy.
KWin Support Information:
==========================
Version
=======
KWin version: 5.9.0
Qt Version: 5.8.0
Qt compile version: 5.8.0
XCB compile version: 1.12
Operation Mode: X11 only
Build Options
=============
KWIN_BUILD_DECORATIONS: yes
KWIN_BUILD_TABBOX: yes
KWIN_BUILD_ACTIVITIES: yes
HAVE_INPUT: yes
HAVE_DRM: yes
HAVE_GBM: yes
HAVE_X11_XCB: yes
HAVE_EPOXY_GLX: yes
HAVE_WAYLAND_EGL: yes
X11
===
Vendor: The X.Org Foundation
Vendor Release: 11901000
Protocol Version/Revision: 11/0
SHAPE: yes; Version: 0x11
RANDR: yes; Version: 0x14
DAMAGE: yes; Version: 0x11
Composite: yes; Version: 0x4
RENDER: yes; Version: 0xb
XFIXES: yes; Version: 0x50
SYNC: yes; Version: 0x31
GLX: yes; Version: 0x0
Decoration
==========
Plugin: org.kde.breeze
Theme:
Blur: 0
onAllDesktopsAvailable: true
alphaChannelSupported: true
closeOnDoubleClickOnMenu: false
decorationButtonsLeft: 0, 9
decorationButtonsRight: 6, 3, 4, 5
borderSize: 3
gridUnit: 10
font: Noto Sans,10,-1,5,50,0,0,0,0,0,Regular
smallSpacing: 2
largeSpacing: 10
Options
=======
focusPolicy: 0
nextFocusPrefersMouse: false
clickRaise: true
autoRaise: false
autoRaiseInterval: 0
delayFocusInterval: 0
shadeHover: false
shadeHoverInterval: 250
separateScreenFocus: false
placement: 4
focusPolicyIsReasonable: true
borderSnapZone: 10
windowSnapZone: 10
centerSnapZone: 0
snapOnlyWhenOverlapping: false
rollOverDesktops: true
focusStealingPreventionLevel: 1
legacyFullscreenSupport: false
operationTitlebarDblClick: 5000
operationMaxButtonLeftClick: 5000
operationMaxButtonMiddleClick: 5015
operationMaxButtonRightClick: 5014
commandActiveTitlebar1: 0
commandActiveTitlebar2: 30
commandActiveTitlebar3: 2
commandInactiveTitlebar1: 4
commandInactiveTitlebar2: 30
commandInactiveTitlebar3: 2
commandWindow1: 7
commandWindow2: 8
commandWindow3: 8
commandWindowWheel: 31
commandAll1: 10
commandAll2: 3
commandAll3: 14
keyCmdAllModKey: 16777251
showGeometryTip: false
condensedTitle: false
electricBorderMaximize: true
electricBorderTiling: true
electricBorderCornerRatio: 0.25
borderlessMaximizedWindows: false
killPingTimeout: 5000
hideUtilityWindowsForInactive: true
inactiveTabsSkipTaskbar: false
autogroupSimilarWindows: false
autogroupInForeground: true
compositingMode: 1
useCompositing: true
compositingInitialized: true
hiddenPreviews: 1
glSmoothScale: 1
xrenderSmoothScale: false
maxFpsInterval: 16666666
refreshRate: 0
vBlankTime: 6000000
glStrictBinding: false
glStrictBindingFollowsDriver: true
glCoreProfile: true
glPreferBufferSwap: 99
glPlatformInterface: 1
windowsBlockCompositing: true
Screen Edges
============
desktopSwitching: false
desktopSwitchingMovingClients: false
cursorPushBackDistance: 1x1
timeThreshold: 150
reActivateThreshold: 350
actionTopLeft: 1
actionTop: 0
actionTopRight: 0
actionRight: 0
actionBottomRight: 0
actionBottom: 0
actionBottomLeft: 0
actionLeft: 0
Screens
=======
Multi-Head: no
Active screen follows mouse: no
Number of Screens: 2
Screen 0:
---------
Name: DVI-I-1
Geometry: 0,0,2560x1440
Refresh Rate: 59.9506
Screen 1:
---------
Name: DVI-D-0
Geometry: 2560,0,2560x1440
Refresh Rate: 59.9506
Compositing
===========
Compositing is active
Compositing Type: OpenGL
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: GeForce GTX 960/PCIe/SSE2
OpenGL version string: 3.1.0 NVIDIA 375.26
OpenGL platform interface: GLX
OpenGL shading language version string: 1.40 NVIDIA via Cg compiler
Driver: NVIDIA
Driver version: 375.26
GPU class: Unknown
OpenGL version: 3.1
GLSL version: 1.40
X server version: 1.19.1
Linux kernel version: 4.9.6
Direct rendering: Requires strict binding: no
GLSL shaders: yes
Texture NPOT support: yes
Virtual Machine: no
OpenGL 2 Shaders are used
Painting blocks for vertical retrace: yes
Loaded Effects:
---------------
zoom
dimscreen
slidingpopups
kwin4_effect_login
wobblywindows
glide
slide
screenshot
magiclamp
kwin4_effect_windowaperture
desktopgrid
kwin4_effect_translucency
colorpicker
kwin4_effect_morphingpopups
kwin4_effect_fade
kwin4_effect_maximize
presentwindows
kwin4_effect_dialogparent
highlightwindow
blur
contrast
startupfeedback
screenedge
kscreen
Currently Active Effects:
-------------------------
blur
contrast
Effect Settings:
----------------
zoom:
zoomFactor: 1.2
mousePointer: 0
mouseTracking: 0
enableFocusTracking: false
followFocus: true
focusDelay: 350
moveFactor: 20
targetZoom: 1
dimscreen:
slidingpopups:
fadeInTime: 150
fadeOutTime: 250
kwin4_effect_login:
wobblywindows:
stiffness: 0.15
drag: 0.55
moveFactor: 0.1
xTesselation: 20
yTesselation: 20
minVelocity: 0
maxVelocity: 1000
stopVelocity: 0.5
minAcceleration: 0
maxAcceleration: 1000
stopAcceleration: 0.5
moveEffectEnabled: true
openEffectEnabled: false
closeEffectEnabled: false
moveWobble: true
resizeWobble: true
glide:
duration: 350
effect: 0
angle: 1
slide:
screenshot:
magiclamp:
animationDuration: 250
kwin4_effect_windowaperture:
desktopgrid:
zoomDuration: 300
border: 10
desktopNameAlignment: 0
layoutMode: 0
customLayoutRows: 2
usePresentWindows: true
kwin4_effect_translucency:
colorpicker:
kwin4_effect_morphingpopups:
kwin4_effect_fade:
kwin4_effect_maximize:
presentwindows:
layoutMode: 0
showCaptions: true
showIcons: true
doNotCloseWindows: false
ignoreMinimized: false
accuracy: 20
fillGaps: true
fadeDuration: 150
showPanel: false
leftButtonWindow: 1
rightButtonWindow: 2
middleButtonWindow: 0
leftButtonDesktop: 2
middleButtonDesktop: 0
rightButtonDesktop: 0
kwin4_effect_dialogparent:
highlightwindow:
blur:
blurRadius: 12
cacheTexture: true
contrast:
startupfeedback:
type: 0
screenedge:
kscreen:
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