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compositor: use compositor to get renderer 

This allows us to remove the renderer destroy listener. The
listener was buggy: compositors can't destroy surface resources on
their own.

The wlr_compositor will always outlive the wlr_surface, so no need
for a destroy listener.
This commit is contained in:
Simon Ser 2024-03-14 12:35:13 +01:00 committed by Isaac Freund
parent 508d8c9a01
commit 3075e6a6f9
2 changed files with 6 additions and 22 deletions
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3
include/wlr/types/wlr_compositor.h
View File

@ -121,7 +121,7 @@ struct wlr_surface_output {
struct wlr_surface {
struct wl_resource *resource;
struct wlr_renderer *renderer; // may be NULL
struct wlr_compositor *compositor;
/**
* The surface's buffer, if any. A surface has an attached buffer when it
* commits with a non-null buffer in its pending state. A surface will not
@ -212,7 +212,6 @@ struct wlr_surface {
// private state
struct wl_listener renderer_destroy;
struct wl_listener role_resource_destroy;
struct {

25
types/wlr_compositor.c
View File

@ -426,12 +426,12 @@ static void surface_apply_damage(struct wlr_surface *surface) {
}
}
if (surface->renderer == NULL) {
if (surface->compositor->renderer == NULL) {
return;
}
struct wlr_client_buffer *buffer = wlr_client_buffer_create(
surface->current.buffer, surface->renderer);
surface->current.buffer, surface->compositor->renderer);
if (buffer == NULL) {
wlr_log(WLR_ERROR, "Failed to upload buffer");
@ -736,7 +736,6 @@ static void surface_handle_resource_destroy(struct wl_resource *resource) {
surface_state_destroy_cached(cached, surface);
}
wl_list_remove(&surface->renderer_destroy.link);
wl_list_remove(&surface->role_resource_destroy.link);
wl_list_remove(&surface->pending_buffer_resource_destroy.link);
@ -752,15 +751,8 @@ static void surface_handle_resource_destroy(struct wl_resource *resource) {
free(surface);
}
static void surface_handle_renderer_destroy(struct wl_listener *listener,
void *data) {
struct wlr_surface *surface =
wl_container_of(listener, surface, renderer_destroy);
wl_resource_destroy(surface->resource);
}
static struct wlr_surface *surface_create(struct wl_client *client,
uint32_t version, uint32_t id, struct wlr_renderer *renderer) {
uint32_t version, uint32_t id, struct wlr_compositor *compositor) {
struct wlr_surface *surface = calloc(1, sizeof(*surface));
if (!surface) {
wl_client_post_no_memory(client);
@ -778,7 +770,7 @@ static struct wlr_surface *surface_create(struct wl_client *client,
wlr_log(WLR_DEBUG, "New wlr_surface %p (res %p)", surface, surface->resource);
surface->renderer = renderer;
surface->compositor = compositor;
surface_state_init(&surface->current, surface);
surface_state_init(&surface->pending, surface);
@ -798,13 +790,6 @@ static struct wlr_surface *surface_create(struct wl_client *client,
wlr_addon_set_init(&surface->addons);
wl_list_init(&surface->synced);
if (renderer != NULL) {
wl_signal_add(&renderer->events.destroy, &surface->renderer_destroy);
surface->renderer_destroy.notify = surface_handle_renderer_destroy;
} else {
wl_list_init(&surface->renderer_destroy.link);
}
wl_list_init(&surface->role_resource_destroy.link);
surface->pending_buffer_resource_destroy.notify = pending_buffer_resource_handle_destroy;
@ -1310,7 +1295,7 @@ static void compositor_create_surface(struct wl_client *client,
struct wlr_compositor *compositor = compositor_from_resource(resource);
struct wlr_surface *surface = surface_create(client,
wl_resource_get_version(resource), id, compositor->renderer);
wl_resource_get_version(resource), id, compositor);
if (surface == NULL) {
wl_client_post_no_memory(client);
return;