https://bugs.kde.org/show_bug.cgi?id=423840
Bug ID: 423840
Summary: Versions 4.3.0 onwards have non-responsive canvas
after enabling/disabling Canvas Graphics Acceleration
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Debian stable
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: General
Assignee: krita-bugs-n...@kde.org
Reporter: ahab.greybe...@hotmail.co.uk
Target Milestone: ---
SUMMARY
This happens for 4.3.0 onwards including the latest Nightly builds.
It happens with appimages and Windows .zip packages.
It does not happen in 4.2.9.
STEPS TO REPRODUCE
1. Create a new image and paint on it.
2. Change the enabled/disabled state of Canvas Graphics Acceleration.
NOTE: After a short delay with the system cursor shown on the canvas, no canvas
operations can be carried out.
The brush cursor is frozen but other tool cursors will show and will move but
carry out no action.
Layer visibility can be turned on and off and brush presets can be selected.
Changing the state of canvas graphics Acceleration has no effect.
3. Create a new image and paint on it.
NOTE: This can be done with no problem but the first image can not be worked
on.
4. Change the enabled/disabled state of Canvas Graphics Acceleration.
NOTE: Both images can now be painted on etc.
5. Create another image, paint, change state of canvas graphics Acceleration.
NOTE: No more problems.
OBSERVED RESULT
Windows seems to be more complicated and sometimes the first image locked up
all the time. Sometimes it didn't.
EXPECTED RESULT
Changing the state of Canvas Graphics Acceleration should not affect the
ability to paint (etc) on the canvas.
SOFTWARE/OS VERSIONS
Krita
Version: 4.3.1-alpha (git f717b03)
Languages: en_GB, en, en, en_GB, en
Hidpi: true
Qt
Version (compiled): 5.12.9
Version (loaded): 5.12.9
OS Information
Build ABI: x86_64-little_endian-lp64
Build CPU: x86_64
CPU: x86_64
Kernel Type: linux
Kernel Version: 4.19.0-9-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 440.82"
Shading language: "4.60 NVIDIA"
Requested format: QSurfaceFormat(version 2.0, options
QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize -1, redBufferSize -1,
greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize
-1, samples -1, swapBehavior QSurfaceFormat::DefaultSwapBehavior, swapInterval
1, colorSpace QSurfaceFormat::DefaultColorSpace, profile
QSurfaceFormat::NoProfile)
Current format: QSurfaceFormat(version 4.6, options
QFlags<QSurfaceFormat::FormatOption>(DeprecatedFunctions), depthBufferSize 24,
redBufferSize 8, greenBufferSize 8, blueBufferSize 8, alphaBufferSize 0,
stencilBufferSize 0, samples -1, swapBehavior
QSurfaceFormat::DefaultSwapBehavior, swapInterval 1, 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: none
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: 83
Use OpenGL: false
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
Current Settings
Current Swap Location: /tmp
Current Swap Location writable: true
Undo Enabled: true
Undo Stack Limit: 83
Use OpenGL: true
Use OpenGL Texture Buffer: true
Use AMD Vectorization Workaround: false
Canvas State: TRY_OPENGL
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
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