Lags when resizing windows

[Danila-hub]

Platform

Arch Linux-x86_64

GPU, drivers, and screen setup

RTX2080TI
Proprietary drivers: 510.60.02, Three monitors configured side-by-side with xrandr

name of display: :1
display: :1  screen: 0
direct rendering: Yes
Memory info (GL_NVX_gpu_memory_info):
 Dedicated video memory: 11264 MB
 Total available memory: 11264 MB
 Currently available dedicated video memory: 10560 MB
OpenGL vendor string: NVIDIA Corporation
OpenGL renderer string: NVIDIA GeForce RTX 2080 Ti/PCIe/SSE2
OpenGL core profile version string: 4.6.0 NVIDIA 510.60.02
OpenGL core profile shading language version string: 4.60 NVIDIA
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile

OpenGL version string: 4.6.0 NVIDIA 510.60.02
OpenGL shading language version string: 4.60 NVIDIA
OpenGL context flags: (none)
OpenGL profile mask: (none)

OpenGL ES profile version string: OpenGL ES 3.2 NVIDIA 510.60.02
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20

Environment

bspwm + picom (I also try fork picom-ibhagwan-git (The same problem)):
https://archlinux.org/packages/community/x86_64/picom/ https://aur.archlinux.org/packages/picom-ibhagwan-git

picom version

picom --version
vgit-7e568

picom --diagnostics

➜ picom --diagnostics
[ 04/18/2022 21:04:52.038 parse_config_libconfig WARN ] The refresh-rate option has been deprecated. Please remove it from your configuration file. If you encounter any problems without this feature, please feel free to open a bug report
[ 04/18/2022 21:04:52.038 get_cfg WARN ] Dual-kawase blur is not implemented by the legacy backends, you must use the `experimental-backends` option.
[ 04/18/2022 21:04:52.056 glx_has_extension INFO ] Found GLX extension GLX_SGI_video_sync.
[ 04/18/2022 21:04:52.057 glx_has_extension INFO ] Found GLX extension GLX_SGI_swap_control.
[ 04/18/2022 21:04:52.057 glx_has_extension INFO ] Missing GLX extension GLX_OML_sync_control.
[ 04/18/2022 21:04:52.057 glx_has_extension INFO ] Missing GLX extension GLX_MESA_swap_control.
[ 04/18/2022 21:04:52.057 glx_has_extension INFO ] Found GLX extension GLX_EXT_swap_control.
[ 04/18/2022 21:04:52.057 glx_has_extension INFO ] Found GLX extension GLX_EXT_texture_from_pixmap.
[ 04/18/2022 21:04:52.057 glx_has_extension INFO ] Found GLX extension GLX_ARB_create_context.
[ 04/18/2022 21:04:52.057 glx_has_extension INFO ] Found GLX extension GLX_EXT_buffer_age.
[ 04/18/2022 21:04:52.057 glx_has_extension INFO ] Missing GLX extension GLX_MESA_query_renderer.
[ 04/18/2022 21:04:52.185 init_render WARN ] Old backends only support blur method "kernel". Your blur setting will not be applied
**Version:** vgit-7e568

### Extensions:

* Shape: Yes
* XRandR: Yes
* Present: Present

### Misc:

* Use Overlay: No
  (Another compositor is already running)
* Config file used: /home/taigadev/.config/picom/picom.conf

### Drivers (inaccurate):

NVIDIA

### Backend: glx

[ 04/18/2022 21:04:52.246 gl_has_extension INFO ] Missing GL extension GL_GREMEDY_string_marker.
[ 04/18/2022 21:04:52.246 gl_init INFO ] GL vendor is NVIDIA, don't use glFinish
* Driver vendors:
 * GLX: NVIDIA Corporation
 * GL: NVIDIA Corporation
* GL renderer: NVIDIA GeForce RTX 2080 Ti/PCIe/SSE2

Configuration:

My picom and bspwm configs:

https://github.com/Danila-hub/dotfiles/blob/main/picom/picom.conf https://github.com/Danila-hub/dotfiles/tree/main/bspwm_sxhkd

Steps of reproduction

Lags when resizing windows:

1. super + s on focus window
2. Resize window with super+right click

This issue may not be observed on windows without transparency, as nvidia settings

Video (sorry i forgot to turn off my lo-fi):

https://user-images.githubusercontent.com/55277394/163853195-b772331b-a4ad-472b-b594-77bd2fbd2d61.mp4

[aralon2843]

Bro, i have the same problem on my 2080TI.. That's annoying!

[brancobruyneel]

Same problem here with resizing electron based / GPU accelerated apps such as brave, teams, discord.

[musjj]

I experience this with or without picom. Though it does feel worse with picom.

GTK apps (like nvidia-settings in OP) seem to suffer little to none of this visual artifact (it still does a bit, some of the time).

I think this in an issue inherent to X11. But I wonder if it's possible for this to be fixed on picom's side? picom have managed to fixed screen tearing (with vsync), so maybe it can also do something about this?

[thedaemon]

I have this issue with AMDGPU 6750 XT. Lots of lag on resizing and high CPU usage.

[yshui]

unfortunately nothing picom can do here. especially in the nvidia case. acquiring new window textures is extra slow on nvidia because their driver sucks.

oh, if you don't mind, try --backend=egl, though i don't think it's going to do much.