https://bugs.kde.org/show_bug.cgi?id=420159
Bug ID: 420159
Summary: Advanced Colour Selector has a very slow response to
dragging
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Debian stable
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: Color Selectors
Assignee: krita-bugs-n...@kde.org
Reporter: ahab.greybe...@hotmail.co.uk
Target Milestone: ---
SUMMARY
This happens with the Apr-13 5.0.0 prealpha git bf6f43c appimage
It does not happen with the Apr-13 4.3.0 'Plus' git ae2e6e5 appimage
The Advanced Colour Selector has a very slow response to dragging the hue
around the outer ring and also a very slow response to dragging the selected
colour around inside the SV triangle.
If you quickly click-drag around a circular path, within the triangle, and then
relase the click, the selected colour will spend five seconds following the
path of that drag.
The selected colour sample square updates in a 'stuttered' manner while this is
happening.
The Specific Colour Selector has a small amount of lag with slider darg that is
not bad but is noticeable compared the the 4.3.0 'Plus' version.
STEPS TO REPRODUCE
See Sumamry
OBSERVED RESULT
See Sumamry
EXPECTED RESULT
It should be very fast to follow the cursor.
SOFTWARE/OS VERSIONS
Krita
Version: 5.0.0-prealpha (git bf6f43c)
Languages: en_GB, en, en, en_GB, en
Hidpi: true
Qt
Version (compiled): 5.12.7
Version (loaded): 5.12.7
OS Information
Build ABI: x86_64-little_endian-lp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: linux
Kernel Version: 4.19.0-8-amd64
Pretty Productname: Debian GNU/Linux 10 (buster)
Product Type: debian
Product Version: 10
Desktop: MATE
OpenGL Info
Vendor: "NVIDIA Corporation"
Renderer: "GeForce GTX 750 Ti/PCIe/SSE2"
Version: "4.6.0 NVIDIA 418.74"
Shading language: "4.60 NVIDIA"
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 4.6, 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)
Version: 4.6
Supports deprecated functions true
is OpenGL ES: false
QPA OpenGL Detection Info
supportsDesktopGL: true
supportsOpenGLES: true
isQtPreferOpenGLES: false
Hardware Information
GPU Acceleration: auto
Memory: 16039 Mb
Number of Cores: 8
Swap Location: /tmp
Current Settings
Current Swap Location: /tmp
Current Swap Location writable: true
Undo Enabled: true
Undo Stack Limit: 18
Use OpenGL: true
Use OpenGL Texture Buffer: true
Use AMD Vectorization Workaround: false
Canvas State: OPENGL_SUCCESS
Autosave Interval: 60
Use Backup Files: true
Number of Backups Kept: 1
Backup File Suffix: ~
Backup Location: Same Folder as the File
Backup Location writable: false
Use Win8 Pointer Input: false
Use RightMiddleTabletButton Workaround: false
Levels of Detail Enabled: false
Use Zip64: false
Display Information
Number of screens: 2
Screen: 0
Name: DVI-D-1
Depth: 24
Scale: 1
Resolution in pixels: 1280x1024
Manufacturer: Dell Inc.
Model: DELL 1704FPV-
Refresh Rate: 60
Screen: 1
Name: DVI-D-0
Depth: 24
Scale: 1
Resolution in pixels: 1280x1024
Manufacturer: Dell Inc.
Model: DELL 1704FPV-
Refresh Rate: 75
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