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rootston: do not swap buffers when output isn't damaged

This commit is contained in:
emersion 2018-01-18 11:42:54 +01:00
parent 1a084807ce
commit 5089f2d9fb
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GPG Key ID: 0FDE7BE0E88F5E48
2 changed files with 24 additions and 6 deletions
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7
include/rootston/output.h
View File

@ -10,11 +10,14 @@ struct roots_desktop;
struct roots_output {
struct roots_desktop *desktop;
struct wlr_output *wlr_output;
struct wl_list link; // roots_desktop:outputs
struct roots_view *fullscreen_view;
struct wl_listener frame;
struct timespec last_frame;
struct wl_list link; // roots_desktop:outputs
struct roots_view *fullscreen_view;
pixman_region32_t damage;
struct wl_event_source *repaint_timer;
};
void output_add_notify(struct wl_listener *listener, void *data);

23
rootston/output.c
View File

@ -226,7 +226,7 @@ static bool has_standalone_surface(struct roots_view *view) {
return true;
}
static void output_frame_notify(struct wl_listener *listener, void *data) {
static void output_handle_frame(struct wl_listener *listener, void *data) {
struct roots_output *output = wl_container_of(listener, output, frame);
struct wlr_output *wlr_output = output->wlr_output;
struct roots_desktop *desktop = output->desktop;
@ -242,7 +242,12 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
// TODO: fullscreen
if (!pixman_region32_not_empty(&output->damage) &&
!wlr_output->needs_swap) {
goto swap_buffers;
int refresh = wlr_output->refresh;
if (refresh <= 0) {
refresh = 60;
}
wl_event_source_timer_update(output->repaint_timer, 1000.0f / refresh);
goto clear_damage;
}
wlr_output_make_current(wlr_output);
@ -319,13 +324,19 @@ static void output_frame_notify(struct wl_listener *listener, void *data) {
renderer_end:
wlr_renderer_end(server->renderer);
swap_buffers:
wlr_output_swap_buffers(wlr_output);
clear_damage:
pixman_region32_clear(&output->damage);
output->last_frame = desktop->last_frame = now;
}
static int handle_repaint(void *data) {
struct roots_output *output = data;
output_handle_frame(&output->frame, output->wlr_output);
return 0;
}
void output_damage_surface(struct roots_output *output,
struct wlr_surface *surface, double lx, double ly) {
if (!wlr_surface_has_buffer(surface)) {
@ -396,8 +407,11 @@ void output_add_notify(struct wl_listener *listener, void *data) {
output->wlr_output = wlr_output;
wl_list_insert(&desktop->outputs, &output->link);
pixman_region32_init(&output->damage);
struct wl_event_loop *ev =
wl_display_get_event_loop(desktop->server->wl_display);
output->repaint_timer = wl_event_loop_add_timer(ev, handle_repaint, output);
output->frame.notify = output_frame_notify;
output->frame.notify = output_handle_frame;
wl_signal_add(&wlr_output->events.frame, &output->frame);
struct roots_output_config *output_config =
@ -447,6 +461,7 @@ void output_remove_notify(struct wl_listener *listener, void *data) {
//example_config_configure_cursor(sample->config, sample->cursor,
// sample->compositor);
wl_event_source_remove(output->repaint_timer);
pixman_region32_fini(&output->damage);
wl_list_remove(&output->link);
wl_list_remove(&output->frame.link);