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2021-10-04render/allocator: use render node if available in reopen_drm_nodeSimon Ser
If we aren't trying to create a dumb buffer allocator, and if the DRM device has a render node (ie, not a split render/display SoC), then we can use the render node instead of the primary node. This should allow wlroots to run under seatd when the current user doesn't have the permission to open primary nodes (logind has a quirk to allow physically logged in users to open primary nodes).
2021-10-01Revert "Require INVALID for implicit format modifiers"Simon Ser
This reverts commit ea7357b70366588069c83f158e6a4eb2d3a702b3.
2021-10-01Require INVALID for implicit format modifiersSimon Ser
See [1] for the motivation. [1]: https://gitlab.freedesktop.org/wayland/wayland-protocols/-/merge_requests/75
2021-09-10buffer: add data_ptr access flagsSimon Ser
This allows callers to specify the operations they'll perform on the returned data pointer. The motivations for this are: - The upcoming Linux MAP_NOSIGBUS flag may only be usable on read-only mappings. - gbm_bo_map with GBM_BO_TRANSFER_READ hurts performance.
2021-09-03render/allocator/gbm: add log message for gbm_bo_get_fd_for_planeSimon Ser
Makes it easier to find out which branch is taken when debugging issues like [1]. [1]: https://github.com/swaywm/wlroots/issues/3156
2021-09-03render/allocator: use legacy authentication for primary nodesSimon Ser
Closes: https://github.com/swaywm/wlroots/issues/3156
2021-09-01render/allocator: re-open GBM FDSimon Ser
Using the same DRM file description for the DRM backend and for the GBM allocator will result in GEM handle ref'counting issues [1]. Re-open the DRM FD to fix these issues. [1]: https://gitlab.freedesktop.org/mesa/drm/-/merge_requests/110
2021-08-25Move allocator stuff into new directorySimon Ser
Add render/allocator/ and include/render/allocator/ to hold everything allocator-related.