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x11-toolkits/wlroots: slightly expand NVIDIA note

Description

x11-toolkits/wlroots: slightly expand NVIDIA note

Nothing to do in this port until NVIDIA fixes FreeBSD driver:

  • both GBM (495+) and EGLStreams require nvidia-drm.ko
  • wlroots-eglstreams is supported as NVIDIA option (since f406592a8e37)

https://www.reddit.com/r/freebsd/comments/udyrh7/nvidia_and_wayland_on_freebsd/

Wayland "de facto" requires DRM for mode setting (KMS) and buffer
sharing (GBM, EGLStreams). Without those one can sacrifice convenience
and performance by starting under Xorg with software rendering e.g.,

$ startx
$ glxinfo | fgrep 'OpenGL renderer'
OpenGL renderer string: NVIDIA GeForce GT 640/PCIe/SSE2
$ cage glxinfo | fgrep 'OpenGL renderer'
OpenGL renderer string: llvmpipe (LLVM 13.0.1, 256 bits)

$ sway -d
[...]
00:00:00.001 [DEBUG] [sway/server.c:50] Preparing Wayland server initialization
00:00:00.001 [INFO] [wlr] [backend/x11/backend.c:397] Creating X11 backend
00:00:00.002 [INFO] [wlr] [backend/x11/backend.c:464] X11 does not support DRI3 extension
00:00:00.002 [INFO] [sway/main.c:394] Starting sway version 1.7
00:00:00.002 [DEBUG] [sway/server.c:75] Initializing Wayland server
00:00:00.002 [DEBUG] [wlr] [render/wlr_renderer.c:305] Skipping GLES2 renderer: no DRM FD available
00:00:00.002 [INFO] [wlr] [render/pixman/renderer.c:521] Creating pixman renderer
00:00:00.002 [DEBUG] [wlr] [render/allocator/allocator.c:112] Trying to create shm allocator
00:00:00.002 [DEBUG] [wlr] [render/allocator/shm.c:117] Created shm allocator
[...]

(cherry picked from commit 82856edcb9b4f89a6881737fe64c6678966f4fe0)

Details

Provenance
jbeichAuthored on May 1 2022, 3:29 PM
Parents
R11:a9bb17ab1305: databases/cassandra3: Fix build
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