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subsurface: use cached surface state

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This commit is contained in:
Simon Ser 2021-03-22 19:45:36 +01:00
parent e0258f4506
commit 8ecc557ab0
2 changed files with 14 additions and 18 deletions
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2
include/wlr/types/wlr_surface.h
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@ -162,7 +162,7 @@ struct wlr_subsurface {
struct wlr_subsurface_state current, pending;
struct wlr_surface_state cached;
uint32_t cached_seq;
bool has_cache;
bool synchronized;

30
types/wlr_surface.c
View file

@ -502,10 +502,9 @@ static void subsurface_parent_commit(struct wlr_subsurface *subsurface,
struct wlr_surface *surface = subsurface->surface;
if (synchronized || subsurface->synchronized) {
if (subsurface->has_cache) {
surface_state_move(&surface->pending, &subsurface->cached);
surface_commit_pending(surface);
wlr_surface_unlock_cached(surface, subsurface->cached_seq);
subsurface->has_cache = false;
subsurface->cached.committed = 0;
subsurface->cached_seq = 0;
}
struct wlr_subsurface *subsurface;
@ -519,17 +518,17 @@ static void subsurface_commit(struct wlr_subsurface *subsurface) {
struct wlr_surface *surface = subsurface->surface;
if (subsurface_is_synchronized(subsurface)) {
surface_state_move(&subsurface->cached, &surface->pending);
subsurface->has_cache = true;
surface->pending.seq = subsurface->cached.seq + 1;
} else {
if (subsurface->has_cache) {
surface_state_move(&surface->pending, &subsurface->cached);
surface_commit_pending(surface);
subsurface->has_cache = false;
} else {
surface_commit_pending(surface);
// We already lock a previous commit. The prevents any future
// commit to be applied before we release the previous commit.
return;
}
subsurface->has_cache = true;
subsurface->cached_seq = wlr_surface_lock_pending(surface);
} else if (subsurface->has_cache) {
wlr_surface_unlock_cached(surface, subsurface->cached_seq);
subsurface->has_cache = false;
subsurface->cached_seq = 0;
}
}
@ -541,10 +540,10 @@ static void surface_commit(struct wl_client *client,
wlr_subsurface_from_wlr_surface(surface) : NULL;
if (subsurface != NULL) {
subsurface_commit(subsurface);
} else {
surface_commit_pending(surface);
}
surface_commit_pending(surface);
wl_list_for_each(subsurface, &surface->subsurfaces, parent_link) {
subsurface_parent_commit(subsurface, false);
}
@ -653,7 +652,6 @@ static void subsurface_destroy(struct wlr_subsurface *subsurface) {
wlr_signal_emit_safe(&subsurface->events.destroy, subsurface);
wl_list_remove(&subsurface->surface_destroy.link);
surface_state_finish(&subsurface->cached);
if (subsurface->parent) {
wl_list_remove(&subsurface->parent_link);
@ -1116,13 +1114,11 @@ struct wlr_subsurface *wlr_subsurface_create(struct wlr_surface *surface,
wl_client_post_no_memory(client);
return NULL;
}
surface_state_init(&subsurface->cached);
subsurface->synchronized = true;
subsurface->surface = surface;
subsurface->resource =
wl_resource_create(client, &wl_subsurface_interface, version, id);
if (subsurface->resource == NULL) {
surface_state_finish(&subsurface->cached);
free(subsurface);
wl_client_post_no_memory(client);
return NULL;