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scene: introduce wlr_scene_buffer.events.outputs_update 

This event is useful for e.g. sending the preferred buffer scale to the
client.
This commit is contained in:
Kirill Primak 2022-11-07 20:00:44 +03:00 committed by Alexander Orzechowski
parent 42016fa262
commit 060df4c6c0
2 changed files with 4 additions and 0 deletions
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1
include/wlr/types/wlr_scene.h
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@ -131,6 +131,7 @@ struct wlr_scene_buffer {
struct wlr_buffer *buffer;
struct {
struct wl_signal outputs_update;
struct wl_signal output_enter; // struct wlr_scene_output
struct wl_signal output_leave; // struct wlr_scene_output
struct wl_signal output_present; // struct wlr_scene_output

3
types/scene/wlr_scene.c
View File

@ -370,6 +370,8 @@ static void update_node_update_outputs(struct wlr_scene_node *node,
// if there are active outputs on this node, we should always have a primary
// output
assert(!scene_buffer->active_outputs || scene_buffer->primary_output);
wl_signal_emit_mutable(&scene_buffer->events.outputs_update, NULL);
}
static bool scene_node_update_iterator(struct wlr_scene_node *node,
@ -548,6 +550,7 @@ struct wlr_scene_buffer *wlr_scene_buffer_create(struct wlr_scene_tree *parent,
scene_buffer->buffer = wlr_buffer_lock(buffer);
}
wl_signal_init(&scene_buffer->events.outputs_update);
wl_signal_init(&scene_buffer->events.output_enter);
wl_signal_init(&scene_buffer->events.output_leave);
wl_signal_init(&scene_buffer->events.output_present);