Jonas Ådahl e078718180 drm-buffer: Add getters for more metadata
Mostly calls into gbm_bo_* API, or something somewhat similar when on
dumb buffers. Added API are:

 * get offset for plane
 * get bpp (bits per pixel)
 * get modifier

This will allow users of MetaDrmBuffer to avoid having to "extract" the
gbm_bo to get these metadata.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1854>
2021-10-18 17:33:33 +02:00
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2021-10-18 17:14:21 +02:00
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