mirrors/sway
1
0
Fork 0
mirror of https://github.com/swaywm/sway.git synced 2026-03-04 01:41:11 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

swaybar: synchronize rendering to output frames

Browse source
This commit is contained in:
Ian Fan 2018-09-28 16:17:15 +01:00
parent 4eb3fe4830
commit 02dfeea54c
4 changed files with 48 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

24
swaybar/render.c
View file

@ -473,7 +473,22 @@ static uint32_t render_to_cairo(cairo_t *cairo, struct swaybar_output *output) {
return max_height > output->height ? max_height : output->height;
}
void render_frame(struct swaybar *bar, struct swaybar_output *output) {
static void output_frame_handle_done(void *data, struct wl_callback *callback,
uint32_t time) {
wl_callback_destroy(callback);
struct swaybar_output *output = data;
output->frame_scheduled = false;
if (output->dirty) {
render_frame(output);
output->dirty = false;
}
}
static const struct wl_callback_listener output_frame_listener = {
.done = output_frame_handle_done
};
void render_frame(struct swaybar_output *output) {
assert(output->surface != NULL);
struct swaybar_hotspot *hotspot, *tmp;
@ -518,6 +533,8 @@ void render_frame(struct swaybar *bar, struct swaybar_output *output) {
output->width * output->scale,
output->height * output->scale);
if (!output->current_buffer) {
cairo_surface_destroy(recorder);
cairo_destroy(cairo);
return;
}
cairo_t *shm = output->current_buffer->cairo;
@ -535,6 +552,11 @@ void render_frame(struct swaybar *bar, struct swaybar_output *output) {
output->current_buffer->buffer, 0, 0);
wl_surface_damage(output->surface, 0, 0,
output->width, output->height);
struct wl_callback *frame_callback = wl_surface_frame(output->surface);
wl_callback_add_listener(frame_callback, &output_frame_listener, output);
output->frame_scheduled = true;
wl_surface_commit(output->surface);
}
cairo_surface_destroy(recorder);