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compositor-drm: Add shutting_down flag

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Does what it says on the box: is true when the compositor is shutting
down.

When we begin to use universal planes, we need divergent destruction
paths. With universal planes, the drm_planes are created at backend
initialisation time, and destroyed with the backend. However, without
universal planes, we create per-output drm_planes to hold the
primary/scanout and cursor planes, whose lifetime is tied to the output.

We will use the new shutting_down flag to determine if output
destruction is hot-unplug or compositor shutdown, and make a decision on
whether or not to destroy the special planes.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Daniel Stone 2017-10-05 16:27:21 +01:00
parent 0a54399613
commit b57c6a0b92
1 changed files with 4 additions and 0 deletions
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4
libweston/compositor-drm.c
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@ -184,6 +184,8 @@ struct drm_backend {
int32_t cursor_height;
uint32_t pageflip_timeout;
bool shutting_down;
};
struct drm_mode {
@ -3605,6 +3607,8 @@ drm_destroy(struct weston_compositor *ec)
wl_event_source_remove(b->udev_drm_source);
wl_event_source_remove(b->drm_source);
b->shutting_down = true;
destroy_sprites(b);
weston_compositor_shutdown(ec);