Comments (5)
maxiberta
commented on June 10, 2024
Hey! Thanks for the investigation. A rebuilt snap with qtwayland5 is already available on the edge channel. I was able to reproduce the issue on a Plasma Wayland session on Kubuntu 19.04 (kde 5.16.3).
$ moonlight -platform wayland
Noticed the Qt Debug: Using Wayland-EGL message and tried with -platform wayland-egl, with an almost identical output, and the added Qt Warning: Cannot find EGLConfig, returning null config:
$ moonlight -platform wayland-egl
00:00:00 - SDL Info (0): Compiled with SDL 2.0.8
00:00:00 - SDL Info (0): Running with SDL 2.0.8
00:00:00 - Qt Debug: Using Wayland-EGL
00:00:00 - Qt Warning: EGL not available
00:00:00 - SDL Info (0): Detected Wayland. Performance may be worse than X11.
00:00:00 - Qt Info: Found "gamecontrollerdb.txt" at ":/data/gamecontrollerdb.txt"
00:00:00 - SDL Info (0): Loaded 149 new gamepad mappings
00:00:00 - SDL Error (0): Failed to create window for hardware decode test: failed to create a window surface
00:00:00 - Qt Info: Found "gamecontrollerdb.txt" at ":/data/gamecontrollerdb.txt"
00:00:00 - SDL Info (0): Loaded 149 new gamepad mappings
00:00:00 - Qt Warning: Cannot find EGLConfig, returning null config
00:00:00 - Qt Debug: Using the 'xdg-shell-v6' shell integration
(...)
00:00:00 - Qt Warning: "Object path cannot be empty"
00:00:00 - Qt Debug: Current Moonlight version: "1.0.1"
00:00:00 - Qt Warning: Cannot find EGLConfig, returning null config
00:00:00 - Qt Warning: QWaylandGLContext: failed to create EGLContext, error=3008
00:00:00 - Qt Fatal: Failed to create EGL context for format QSurfaceFormat(version 2.0, options QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize 24, redBufferSize -1, greenBufferSize -1, blueBufferSize -1, alphaBufferSize -1, stencilBufferSize 8, samples -1, swapBehavior QSurfaceFormat::SwapBehavior(DoubleBuffer), swapInterval 1, profile QSurfaceFormat::OpenGLContextProfile(NoProfile))
Installing with --devmode makes no difference, so I guess it's not an issue with confinement permissions.
Unsure how to debug/fix this atm. Might need help from someone more familiar with wayland and/or snaps, honestly.
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q4z1
commented on June 10, 2024
Thx for taking a look and good to know that it's a reproducable issue.
I tested a bit with the flatpak release. Wayland is by far not a productive to use solution at this moment. Too many bugs. I'm fine using x11 as main session for now.
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cgutman
commented on June 10, 2024
I root-caused the issue to __EGL_VENDOR_LIBRARY_DIRS not being set properly, so no EGL implementation could be found. It turns out that the Qt5 Wayland breakage was already reported as ubuntu/snapcraft-desktop-helpers#172 and I've submitted a PR to fix it ubuntu/snapcraft-desktop-helpers#194
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maxiberta
commented on June 10, 2024
Brilliant! Thanks @cgutman.
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cgutman
commented on June 10, 2024
@maxiberta After fixing the EGL issue, I now hit https://bugs.launchpad.net/ubuntu/+source/intel-vaapi-driver/+bug/1813131 which breaks VAAPI hardware decoding on Wayland.
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Related Issues (17)
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