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libweston: support API to detect an unmapping commit of surface

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Add the weston_surface_is_unmapping() api, this will help the shell
to detect the commit of a surface is unmapping or not.

Suggested-by: Morgane Glidic <sardemff7+git@sardemff7.net>
Signed-off-by: Tran Ba Khang(MS/EMC31-XC) <Khang.TranBa@vn.bosch.com>
This commit is contained in:
Tran Ba Khang(MS/EMC31-XC) 2023-02-01 17:14:53 +07:00 committed by Marius Vlad
parent 51ef88a7f4
commit 7ba87d7062
2 changed files with 23 additions and 2 deletions
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5
include/libweston/libweston.h
View file

@ -1718,7 +1718,7 @@ struct weston_surface {
*/
const char *role_name;
bool is_mapped;
bool is_mapped, is_unmapping;
bool is_opaque;
/* An list of per seat pointer constraints. */
@ -1994,6 +1994,9 @@ weston_view_schedule_repaint(struct weston_view *view);
bool
weston_surface_is_mapped(struct weston_surface *surface);
bool
weston_surface_is_unmapping(struct weston_surface *surface);
void
weston_surface_set_size(struct weston_surface *surface,
int32_t width, int32_t height);

20
libweston/compositor.c
View file

@ -1806,6 +1806,18 @@ weston_surface_is_mapped(struct weston_surface *surface)
return surface->is_mapped;
}
/** Check if the weston_surface is emitting an unmapping commit
*
* @param surface The weston_surface.
*
* Returns true if the surface is emitting an unmapping commit.
*/
WL_EXPORT bool
weston_surface_is_unmapping(struct weston_surface *surface)
{
return surface->is_unmapping;
}
static void
surface_set_size(struct weston_surface *surface, int32_t width, int32_t height)
{
@ -2570,8 +2582,11 @@ weston_surface_attach(struct weston_surface *surface,
BUFFER_WILL_NOT_BE_ACCESSED);
if (!buffer) {
if (weston_surface_is_mapped(surface))
if (weston_surface_is_mapped(surface)) {
weston_surface_unmap(surface);
/* This is the unmapping commit */
surface->is_unmapping = true;
}
}
surface->compositor->renderer->attach(surface, buffer);
@ -4007,6 +4022,9 @@ weston_surface_commit_state(struct weston_surface *surface,
weston_surface_set_desired_protection(surface, state->desired_protection);
wl_signal_emit(&surface->commit_signal, surface);
/* Surface is fully unmapped now */
surface->is_unmapping = false;
}
static void