backend-drm: Add zpos DRM-property

Graphics / Wayland / Weston - Marius Vlad [collabora.com] - 11 November 2019 16:51 EST

Functional no change, as nobody makes use of it. Only apply the zpos
value if the zpos property is mutable (that is, zpos_max and zpos_min are not the same).

cdd6fa27 backend-drm: Add zpos DRM-property
libweston/backend-drm/drm-internal.h | 10 ++++++++++
libweston/backend-drm/drm.c | 15 +++++++++++++++
libweston/backend-drm/kms.c | 8 ++++++++
libweston/backend-drm/state-helpers.c | 2 ++
4 files changed, 35 insertions(+)

Upstream: cgit.freedesktop.org


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