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10 commits

Author SHA1 Message Date
Simon Ser
58d4cfaca3 render/allocator/drm_dumb: drop finish_buffer() 
Simplify things a bit.
 2022-10-01 19:45:29 +00:00
Simon Ser
c659792d7b render/allocator/drm_dumb: fix error handling 
In the CREATE_DUMB error code-path, we'd only free() the buffer,
however it's already inserted in the alloc->buffers list at this
point.

Instead, make sure finish_buffer() is safe to call (by populating
drm_fd) and call that function.
 2022-10-01 19:45:29 +00:00
Simon Ser
3e7ea8715b render/allocator/drm_dumb: get format info before allocating 
Simplifies error handling a bit.
 2022-10-01 19:45:29 +00:00
Simon Ser
d81f68d2b4 render/allocator/drm_dumb: check modifier list 
Check that the modifier list passed as input contains either
INVALID or LINEAR. We don't support others.
 2022-10-01 19:45:29 +00:00
Simon Ser
5ef8a18a29 render/allocator/drm_dumb: advertise LINEAR instead of INVALID modifier 
INVALID means that the modifier is implicit. However dumb buffers
are guaranteed to be LINEAR, so let's just advertise this. Fixes
cursors with the DRM backend: cursor planes usually only support
LINEAR.
 2022-10-01 19:45:29 +00:00
Simon Ser
39b68ea47a buffer: extract interface to separate header 
Closes: https://gitlab.freedesktop.org/wlroots/wlroots/-/issues/3389
 2022-03-03 15:39:05 +01:00
Simon Zeni
02a1ae169e render/allocator: make wlr_allocator part of the public API 2021-11-09 15:26:36 +00:00
Simon Ser
4e7a8707cc buffer: add data_ptr access flags 
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.
 2021-09-10 13:16:10 -04:00
Simon Ser
d9d8fc1ab9 render/allocator: re-open GBM FD 
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
 2021-09-01 15:17:05 -04:00
Simon Ser
3ce2ea9e16 Move allocator stuff into new directory 
Add render/allocator/ and include/render/allocator/ to hold
everything allocator-related.
 2021-08-25 09:57:20 -04:00
Renamed from render/drm_dumb_allocator.c (Browse further)