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swaylock: implement a proper render loop

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emersion 2018-05-25 19:34:36 +01:00
parent e4c54b04ce
commit cc10c7af65
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4 changed files with 108 additions and 57 deletions
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56
swaylock/main.c
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@ -131,14 +131,58 @@ static const struct zwlr_layer_surface_v1_listener layer_surface_listener = {
.closed = layer_surface_closed,
};
static void handle_wl_output_geometry(void *data, struct wl_output *output, int32_t x,
int32_t y, int32_t width_mm, int32_t height_mm, int32_t subpixel,
const char *make, const char *model, int32_t transform) {
static const struct wl_callback_listener surface_frame_listener;
static void surface_frame_handle_done(void *data, struct wl_callback *callback,
uint32_t time) {
struct swaylock_surface *surface = data;
wl_callback_destroy(callback);
surface->frame_pending = false;
if (surface->dirty) {
// Schedule a frame in case the surface is damaged again
struct wl_callback *callback = wl_surface_frame(surface->surface);
wl_callback_add_listener(callback, &surface_frame_listener, surface);
surface->frame_pending = true;
render_frame(surface);
surface->dirty = false;
}
}
static const struct wl_callback_listener surface_frame_listener = {
.done = surface_frame_handle_done,
};
void damage_surface(struct swaylock_surface *surface) {
surface->dirty = true;
if (surface->frame_pending) {
return;
}
struct wl_callback *callback = wl_surface_frame(surface->surface);
wl_callback_add_listener(callback, &surface_frame_listener, surface);
surface->frame_pending = true;
wl_surface_commit(surface->surface);
}
void damage_state(struct swaylock_state *state) {
struct swaylock_surface *surface;
wl_list_for_each(surface, &state->surfaces, link) {
damage_surface(surface);
}
}
static void handle_wl_output_geometry(void *data, struct wl_output *output,
int32_t x, int32_t y, int32_t width_mm, int32_t height_mm,
int32_t subpixel, const char *make, const char *model,
int32_t transform) {
// Who cares
}
static void handle_wl_output_mode(void *data, struct wl_output *output, uint32_t flags,
int32_t width, int32_t height, int32_t refresh) {
static void handle_wl_output_mode(void *data, struct wl_output *output,
uint32_t flags, int32_t width, int32_t height, int32_t refresh) {
// Who cares
}
@ -151,7 +195,7 @@ static void handle_wl_output_scale(void *data, struct wl_output *output,
struct swaylock_surface *surface = data;
surface->scale = factor;
if (surface->state->run_display) {
render_frames(surface->state);
damage_surface(surface);
}
}