https://bugs.kde.org/show_bug.cgi?id=441041
Bug ID: 441041
Summary: Recent nightly builds are slow and can lockup on
Windows 10
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Other
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Usability
Assignee: krita-bugs-n...@kde.org
Reporter: ahab.greybe...@hotmail.co.uk
Target Milestone: ---
SUMMARY
For the 5.0.0-prealpha .zip packages on Windows 10, the Aug 14 (git
0c88aa263e), Aug 15 (git afacd70a7a) and Aug 16 (git 5f53332c93) builds have
serious slowlness in some areas and can be made to lock up.
For the 5.0.0-prealpha appimages on Debian 10, the Aug 13 (git e89467b), Aug 14
(git afacd70) and Aug 15 (git c98e3cb) show similar but much less serious
slowness and can't be made to lock up.
The appimages are not slow with painting on the canvas.
This does not happen for previous nightly builds.
STEPS TO REPRODUCE
1. Run and create a new image.
2. Paint on the canvas with a preset that does not have a pattern
[Note: Finding and selecting a preset could be affected by the slow response
which is shown in later Steps.]
3. Paint on the canvas with a preset that does have a pattern.
4. In the Layers docker, slide the side scroll bar handle up and down.
5. In the Layers docker Search box, quickly type the word "basic".
6. In the Preset History docker, select different presets quickly.
7. In the Layers docker, slide the side scroll bar handle up and down.
OBSERVED RESULT
2. Stroke production speed is normal.
3. Stroke production is very delayed.
4. The scroll bar handle moves after a notable delay.
5. It takes 5 seconds for the letters to appear, one at a time.
6. There is notable delay in the presets becoming selected.
7. There is a lockup which does not recover.
EXPECTED RESULT
The slow and delayed action should not happen.
SOFTWARE/OS VERSIONS
Krita
Version: 5.0.0-prealpha (git 5f53332)
Languages: en_US, en
Hidpi: false
Qt
Version (compiled): 5.12.11
Version (loaded): 5.12.11
OS Information
Build ABI: x86_64-little_endian-llp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: winnt
Kernel Version: 10.0.19043
Pretty Productname: Windows 10 (10.0)
Product Type: windows
Product Version: 10
OpenGL Info
Vendor: "Google Inc."
Renderer: "ANGLE (NVIDIA GeForce GTX 750 Ti Direct3D11 vs_5_0 ps_5_0)"
Version: "OpenGL ES 3.0 (ANGLE 2.1.0.57ea533f79a7)"
Shading language: "OpenGL ES GLSL ES 3.00 (ANGLE 2.1.0.57ea533f79a7)"
Requested format: QSurfaceFormat(version 3.0, options
QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24,
redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8,
stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::DoubleBuffer,
swapInterval 0, colorSpace QSurfaceFormat::DefaultColorSpace, profile
QSurfaceFormat::CompatibilityProfile)
Current format: QSurfaceFormat(version 3.0, options
QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize 8,
greenBufferSize 8, blueBufferSize 8, alphaBufferSize 8, stencilBufferSize 8,
samples 0, swapBehavior QSurfaceFormat::DefaultSwapBehavior, swapInterval 0,
colorSpace QSurfaceFormat::DefaultColorSpace, profile
QSurfaceFormat::NoProfile)
Version: 3.0
Supports deprecated functions false
is OpenGL ES: true
QPA OpenGL Detection Info
supportsDesktopGL: true
supportsAngleD3D11: true
isQtPreferAngle: true
Hardware Information
GPU Acceleration: angle
Memory: 16381 Mb
Number of Cores: 8
Swap Location: C:/Users/adminahab/AppData/Local/Temp
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