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Slow Cursor movement during transformation on WAYLAND UI Linux #129230

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opened 2024-10-18 21:38:09 +02:00 by wueo · 7 comments
wueo commented 2024-10-18 21:38:09 +02:00
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System Information
Operating system: Linux-6.11.3-200.fsync.fc40.x86_64-x86_64-with-glibc2.39 64 Bits, WAYLAND UI
Graphics card: NVIDIA GeForce RTX 3080 Ti/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 560.35.03

Blender Version
Broken: version: 4.2.1 LTS, branch: blender-v4.2-release, commit date: 2024-08-19 11:21, hash: 396f546c9d82
Worked: None above

Short description of error

in wayland on linux during transforming objects in 3D viewport like moving , scaling and rotation, makes makes the cursor movement slow, also moving nodes too. because of that i getting hand joint pains even...
on X11 is working normal

Exact steps for others to reproduce the error
just select object and move rotate and scale and see if the cursor speed is same or slower than without transforming...

**System Information** Operating system: Linux-6.11.3-200.fsync.fc40.x86_64-x86_64-with-glibc2.39 64 Bits, WAYLAND UI Graphics card: NVIDIA GeForce RTX 3080 Ti/PCIe/SSE2 NVIDIA Corporation 4.6.0 NVIDIA 560.35.03 **Blender Version** Broken: version: 4.2.1 LTS, branch: blender-v4.2-release, commit date: 2024-08-19 11:21, hash: `396f546c9d82` Worked: None above **Short description of error** in wayland on linux during transforming objects in 3D viewport like moving , scaling and rotation, makes makes the cursor movement slow, also moving nodes too. because of that i getting hand joint pains even... on X11 is working normal **Exact steps for others to reproduce the error** just select object and move rotate and scale and see if the cursor speed is same or slower than without transforming...
wueo added the
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 labels 2024-10-18 21:38:09 +02:00
Pratik Borhade added the
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 labels 2024-10-19 06:29:42 +02:00
Alaska commented 2024-10-19 11:02:58 +02:00
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I am personally unable to reproduce the issue here.

Can you share more details?

  • What desktop environemt and wayland compositor are you using?
  • What scale do you have your desktop environment and Blender at?
I am personally unable to reproduce the issue here. Can you share more details? - What desktop environemt and wayland compositor are you using? - What scale do you have your desktop environment and Blender at?
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 labels 2024-10-19 11:03:07 +02:00
Campbell Barton commented 2024-10-19 14:34:09 +02:00
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This issue was reported recently #128486, can you check you're not using Vulkan?

edit my mistake, mixed hidden cursor issue with slow cursor.

This issue was reported recently #128486, can you check you're not using Vulkan? ---- *edit* my mistake, mixed hidden cursor issue with slow cursor.
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Alaska commented 2024-10-19 14:57:32 +02:00
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The user made a report from 4.2.1 which doesn't expose the Vulkan option. So I'm doubtful they're using Vulkan.

The user made a report from 4.2.1 which doesn't expose the Vulkan option. So I'm doubtful they're using Vulkan.
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wueo commented 2024-10-19 20:43:26 +02:00
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hi i use KDE 6.2 Kwin with resolution 3840 x 2160 and 200% scaling settings. i tryed on vulkan too in the latest upbge build 4.4 and its same.
then i did change the KDE scale to 100% because you gave the idea and turns out the mouse cursor speed is now same during transform of objects i think... thanks but cant use 100% scale because eveything way too small to read T-T

hi i use KDE 6.2 Kwin with resolution 3840 x 2160 and 200% scaling settings. i tryed on vulkan too in the latest upbge build 4.4 and its same. then i did change the KDE scale to 100% because you gave the idea and turns out the mouse cursor speed is now same during transform of objects i think... thanks but cant use 100% scale because eveything way too small to read T-T
Campbell Barton commented 2024-10-23 06:17:35 +02:00
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Tested with, KDE 6.2.1, 2x monitors (2160 x 3840), at 200%.

I'm unable to redo the slow performance.

Some additional things to check:

  • Does the performance problem occur when running blender --debug.
  • When running blender --debug does this happen for both rotation & translation (G & R keys).
  • Does this occur with blender-softwaregl (included in Blender's official releases).
Tested with, KDE 6.2.1, 2x monitors (2160 x 3840), at 200%. I'm unable to redo the slow performance. Some additional things to check: - Does the performance problem occur when running `blender --debug`. - When running `blender --debug` does this happen for both rotation & translation (G & R keys). - Does this occur with `blender-softwaregl` (included in Blender's official releases).
wueo commented 2024-10-23 11:23:46 +02:00
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ok super very cool you figured it out . tryed the command to startblender with 'blender --debug' and it fixed it, the mouse movement speed now is normal with it for move, rotate and scale on both blender 4.2.3 and latest UPBGE build.

the command blender-softwaregl gave me this console messege on both upbge and blender: ./blender-softwaregl
Warning: No OpenGL vendor detected.

Blender quit

and i not sure why not always but first time i think gave me the crashlog file:

well thanks much and one question please , if i run in debug mode is it something bad can happen or performence less?

ok super very cool you figured it out . tryed the command to startblender with 'blender --debug' and it fixed it, the mouse movement speed now is normal with it for move, rotate and scale on both blender 4.2.3 and latest UPBGE build. the command blender-softwaregl gave me this console messege on both upbge and blender: ./blender-softwaregl Warning: No OpenGL vendor detected. Blender quit and i not sure why not always but first time i think gave me the crashlog file: well thanks much and one question please , if i run in debug mode is it something bad can happen or performence less?
blender.crash.txt
1.6 KiB
Campbell Barton commented 2024-10-23 11:36:54 +02:00
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@mushroomeo
It looks like Blender's software-cursor is causing the slowdown, although without being able to redo the bug I can't investigate that further.
It may be graphics driver related.

Instead of running in debug mode you can disable "Continuous Grab" in Preferences -> Input -> Mouse.

@mushroomeo It looks like Blender's software-cursor is causing the slowdown, although without being able to redo the bug I can't investigate that further. It may be graphics driver related. Instead of running in debug mode you can disable "Continuous Grab" in Preferences -> Input -> Mouse.
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Reference: blender/blender#129230
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