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3 commits

Author SHA1 Message Date
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)