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libweston: refactor weston_mode_switch_finish

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Split out a new function. This is a pure refactoring, no change in
behaviour.

This helps a following patch that adds a loop over output->head_list.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
v5 Reviewed-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Ian Ray <ian.ray@ge.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
Acked-by: Derek Foreman <derekf@osg.samsung.com>
This commit is contained in:
Pekka Paalanen 2017-03-28 15:27:10 +03:00
parent 055c1137ae
commit 6528c0381d
1 changed files with 36 additions and 21 deletions
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57
libweston/compositor.c
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@ -76,15 +76,45 @@ weston_output_transform_scale_init(struct weston_output *output,
static void
weston_compositor_build_view_list(struct weston_compositor *compositor);
static void weston_mode_switch_finish(struct weston_output *output,
int mode_changed,
int scale_changed)
/** Send wl_output events for mode and scale changes
*
* \param head Send on all resources bound to this head.
* \param mode_changed If true, send the current mode.
* \param scale_changed If true, send the current scale.
*/
static void
weston_mode_switch_send_events(struct weston_head *head,
bool mode_changed, bool scale_changed)
{
struct weston_output *output = head->output;
struct wl_resource *resource;
int version;
wl_resource_for_each(resource, &head->resource_list) {
if (mode_changed) {
wl_output_send_mode(resource,
output->current_mode->flags,
output->current_mode->width,
output->current_mode->height,
output->current_mode->refresh);
}
version = wl_resource_get_version(resource);
if (version >= WL_OUTPUT_SCALE_SINCE_VERSION && scale_changed)
wl_output_send_scale(resource, output->current_scale);
if (version >= WL_OUTPUT_DONE_SINCE_VERSION)
wl_output_send_done(resource);
}
}
static void
weston_mode_switch_finish(struct weston_output *output,
int mode_changed, int scale_changed)
{
struct weston_seat *seat;
struct weston_head *head;
struct wl_resource *resource;
pixman_region32_t old_output_region;
int version;
pixman_region32_init(&old_output_region);
pixman_region32_copy(&old_output_region, &output->region);
@ -133,22 +163,7 @@ static void weston_mode_switch_finish(struct weston_output *output,
head = &output->head;
/* notify clients of the changes */
wl_resource_for_each(resource, &head->resource_list) {
if (mode_changed) {
wl_output_send_mode(resource,
output->current_mode->flags,
output->current_mode->width,
output->current_mode->height,
output->current_mode->refresh);
}
version = wl_resource_get_version(resource);
if (version >= WL_OUTPUT_SCALE_SINCE_VERSION && scale_changed)
wl_output_send_scale(resource, output->current_scale);
if (version >= WL_OUTPUT_DONE_SINCE_VERSION)
wl_output_send_done(resource);
}
weston_mode_switch_send_events(head, mode_changed, scale_changed);
}