Comments (6)
I wonder how xwayland applications would behave in this scenario? Is there something like multi-gpu support for xwayland?!
from wlc.
Good question. I have no idea and it should be tested. We may need to open xwayland for each GPU.
Edit: Though this obviously does not work since we can't have output specific env variable for DISPLAY heh.
from wlc.
We should also autodetect primary card here, instead of assuming card0.
from wlc.
This info might be related: Wayland On Mesa Now Supports DRI_PRIME, Render Nodes https://phoronix.com/scan.php?page=news_item&px=Wayland-DRI-PRIME-Mesa-Nodes
from wlc.
Can anyone provide a little insight on what is needed to support DRI_PRIME in wlc. I have a Docking Station for the Dell XPS (displaylink) that shows up as a second GPU in X11.
from wlc.
Prime needs basically drm backend instance for each card. Same kind of thing is needed to support multiple displays on different GPU's. All the dirty work regarding support between GPUs should be handled by mesa as far I understand. That is copying rendered buffer to another GPU so it can push it to the display controller. This has bit of cost though, this is unavoidable with hybrid GPUs I guess, but with multi GPU + multi display setup, as long as you keep the buffer on the connected display controller there is no overhead.
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Related Issues (20)
- build fails except `wayland-protocols` is installed system-wide
- Screen tearing
- Allow keys to be remapped based on press duration
- If callback to view_set_geometry is not specified, view is doing what it wants
- RFC: Buffer API autodetection HOT 10
- X backend is broken as of EGLStreams support HOT 3
- Querying `wlc_pointer_get_position` returns 0, 0
- Weird behavior when switching to/from VT when using scaled output HOT 2
- Build has too many warnings HOT 2
- glfw window not showing when not creating OpenGL context
- When switching vts, wlc_output_created_cb is called without corresponding wlc_output_destroyed_cb
- wlc is going to be abandoned? HOT 10
- Touch event reports view by mouse position HOT 5
- XWayland application scaling HOT 1
- 10bit depth colors are not properly rendered
- Make SDL work on wlc (wl_registry@2: error 0: invalid version for global wl_data_device_manager (4): have 2, wanted 3) HOT 10
- [FreeBSD] Lose all input when tty switch back to sway HOT 7
- Problem with new views
- Support for color space HOT 2
- wlc deprecation process HOT 1
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