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compositor, surface: correctly destroy resources

This commit is contained in:
emersion 2018-04-30 22:20:11 +01:00
parent 8676155ae1
commit 6d569def6d
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GPG Key ID: 0FDE7BE0E88F5E48
2 changed files with 68 additions and 48 deletions
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25
types/wlr_compositor.c
View File

@ -7,6 +7,9 @@
#include <wlr/util/log.h>
#include "util/signal.h"
#define COMPOSITOR_VERSION 4
#define SUBCOMPOSITOR_VERSION 1
static const char *subsurface_role = "wl_subsurface";
bool wlr_surface_is_subsurface(struct wlr_surface *surface) {
@ -105,7 +108,8 @@ static void subcompositor_bind(struct wl_client *client, void *data,
static void subcompositor_init(struct wlr_subcompositor *subcompositor,
struct wl_display *display) {
subcompositor->wl_global = wl_global_create(display,
&wl_subcompositor_interface, 1, subcompositor, subcompositor_bind);
&wl_subcompositor_interface, SUBCOMPOSITOR_VERSION, subcompositor,
subcompositor_bind);
if (subcompositor->wl_global == NULL) {
wlr_log_errno(L_ERROR, "Could not allocate subcompositor global");
return;
@ -136,7 +140,7 @@ static struct wlr_compositor *compositor_from_resource(
return wl_resource_get_user_data(resource);
}
static void wl_compositor_create_surface(struct wl_client *client,
static void compositor_create_surface(struct wl_client *client,
struct wl_resource *resource, uint32_t id) {
struct wlr_compositor *compositor = compositor_from_resource(resource);
@ -150,7 +154,7 @@ static void wl_compositor_create_surface(struct wl_client *client,
wlr_signal_emit_safe(&compositor->events.new_surface, surface);
}
static void wl_compositor_create_region(struct wl_client *client,
static void compositor_create_region(struct wl_client *client,
struct wl_resource *resource, uint32_t id) {
struct wlr_compositor *compositor = compositor_from_resource(resource);
@ -158,15 +162,15 @@ static void wl_compositor_create_region(struct wl_client *client,
}
static const struct wl_compositor_interface compositor_impl = {
.create_surface = wl_compositor_create_surface,
.create_region = wl_compositor_create_region,
.create_surface = compositor_create_surface,
.create_region = compositor_create_region,
};
static void compositor_resource_destroy(struct wl_resource *resource) {
wl_list_remove(wl_resource_get_link(resource));
}
static void wl_compositor_bind(struct wl_client *wl_client, void *data,
static void compositor_bind(struct wl_client *wl_client, void *data,
uint32_t version, uint32_t id) {
struct wlr_compositor *compositor = data;
assert(wl_client && compositor);
@ -218,14 +222,13 @@ struct wlr_compositor *wlr_compositor_create(struct wl_display *display,
return NULL;
}
struct wl_global *compositor_global = wl_global_create(display,
&wl_compositor_interface, 4, compositor, wl_compositor_bind);
if (!compositor_global) {
wlr_log_errno(L_ERROR, "Could not allocate compositor global");
compositor->wl_global = wl_global_create(display, &wl_compositor_interface,
COMPOSITOR_VERSION, compositor, compositor_bind);
if (!compositor->wl_global) {
free(compositor);
wlr_log_errno(L_ERROR, "Could not allocate compositor global");
return NULL;
}
compositor->wl_global = compositor_global;
compositor->renderer = renderer;
wl_list_init(&compositor->wl_resources);

91
types/wlr_surface.c
View File

@ -11,6 +11,10 @@
#include <wlr/util/region.h>
#include "util/signal.h"
#define CALLBACK_VERSION 1
#define SURFACE_VERSION 4
#define SUBSURFACE_VERSION 1
static void surface_state_reset_buffer(struct wlr_surface_state *state) {
if (state->buffer) {
wl_list_remove(&state->buffer_destroy_listener.link);
@ -18,29 +22,29 @@ static void surface_state_reset_buffer(struct wlr_surface_state *state) {
}
}
static void buffer_destroy(struct wl_listener *listener, void *data) {
static void surface_handle_buffer_destroy(struct wl_listener *listener,
void *data) {
struct wlr_surface_state *state =
wl_container_of(listener, state, buffer_destroy_listener);
wl_list_remove(&state->buffer_destroy_listener.link);
state->buffer = NULL;
surface_state_reset_buffer(state);
}
static void surface_state_release_buffer(struct wlr_surface_state *state) {
if (state->buffer) {
wl_resource_post_event(state->buffer, WL_BUFFER_RELEASE);
wl_list_remove(&state->buffer_destroy_listener.link);
state->buffer = NULL;
surface_state_reset_buffer(state);
}
}
static void surface_state_set_buffer(struct wlr_surface_state *state,
struct wl_resource *buffer) {
surface_state_reset_buffer(state);
state->buffer = buffer;
if (buffer) {
wl_resource_add_destroy_listener(buffer,
&state->buffer_destroy_listener);
state->buffer_destroy_listener.notify = buffer_destroy;
state->buffer_destroy_listener.notify = surface_handle_buffer_destroy;
}
}
@ -57,7 +61,6 @@ static void surface_attach(struct wl_client *client,
surface->pending->invalid |= WLR_SURFACE_INVALID_BUFFER;
surface->pending->sx = sx;
surface->pending->sy = sy;
surface_state_reset_buffer(surface->pending);
surface_state_set_buffer(surface->pending, buffer);
}
@ -80,7 +83,7 @@ static struct wlr_frame_callback *frame_callback_from_resource(
return wl_resource_get_user_data(resource);
}
static void destroy_frame_callback(struct wl_resource *resource) {
static void callback_handle_resource_destroy(struct wl_resource *resource) {
struct wlr_frame_callback *cb = frame_callback_from_resource(resource);
wl_list_remove(&cb->link);
free(cb);
@ -97,16 +100,15 @@ static void surface_frame(struct wl_client *client,
return;
}
cb->resource = wl_resource_create(client, &wl_callback_interface, 1,
callback);
cb->resource = wl_resource_create(client, &wl_callback_interface,
CALLBACK_VERSION, callback);
if (cb->resource == NULL) {
free(cb);
wl_resource_post_no_memory(resource);
return;
}
wl_resource_set_implementation(cb->resource, NULL, cb,
destroy_frame_callback);
callback_handle_resource_destroy);
wl_list_insert(surface->pending->frame_callback_list.prev, &cb->link);
@ -548,7 +550,7 @@ static void surface_damage_buffer(struct wl_client *client,
x, y, width, height);
}
const struct wl_surface_interface surface_interface = {
static const struct wl_surface_interface surface_interface = {
.destroy = surface_destroy,
.attach = surface_attach,
.damage = surface_damage,
@ -584,7 +586,6 @@ static struct wlr_surface_state *surface_state_create() {
pixman_region32_init_rect(&state->input,
INT32_MIN, INT32_MIN, UINT32_MAX, UINT32_MAX);
return state;
}
@ -604,6 +605,10 @@ static void surface_state_destroy(struct wlr_surface_state *state) {
}
static void subsurface_destroy(struct wlr_subsurface *subsurface) {
if (subsurface == NULL) {
return;
}
wlr_signal_emit_safe(&subsurface->events.destroy, subsurface);
wl_list_remove(&subsurface->surface_destroy.link);
@ -615,8 +620,6 @@ static void subsurface_destroy(struct wlr_subsurface *subsurface) {
wl_list_remove(&subsurface->parent_destroy.link);
}
wl_list_remove(wl_resource_get_link(subsurface->resource));
wl_resource_set_user_data(subsurface->resource, NULL);
if (subsurface->surface) {
subsurface->surface->role_data = NULL;
@ -649,6 +652,8 @@ static void surface_handle_renderer_destroy(struct wl_listener *listener,
struct wlr_surface *wlr_surface_create(struct wl_client *client,
uint32_t version, uint32_t id, struct wlr_renderer *renderer,
struct wl_list *resource_list) {
assert(version <= SURFACE_VERSION);
struct wlr_surface *surface = calloc(1, sizeof(struct wlr_surface));
if (!surface) {
wl_client_post_no_memory(client);
@ -726,10 +731,8 @@ static struct wlr_subsurface *subsurface_from_resource(
static void subsurface_resource_destroy(struct wl_resource *resource) {
struct wlr_subsurface *subsurface = subsurface_from_resource(resource);
if (subsurface) {
subsurface_destroy(subsurface);
}
wl_list_remove(wl_resource_get_link(resource));
subsurface_destroy(subsurface);
}
static void subsurface_handle_destroy(struct wl_client *client,
@ -737,13 +740,15 @@ static void subsurface_handle_destroy(struct wl_client *client,
wl_resource_destroy(resource);
}
static void subsurface_set_position(struct wl_client *client,
static void subsurface_handle_set_position(struct wl_client *client,
struct wl_resource *resource, int32_t x, int32_t y) {
struct wlr_subsurface *subsurface = subsurface_from_resource(resource);
if (subsurface == NULL) {
return;
}
struct wlr_surface *surface = subsurface->surface;
surface->pending->invalid |= WLR_SURFACE_INVALID_SUBSURFACE_POSITION;
surface->pending->subsurface_position.x = x;
surface->pending->subsurface_position.y = y;
}
@ -762,9 +767,12 @@ static struct wlr_subsurface *subsurface_find_sibling(
return NULL;
}
static void subsurface_place_above(struct wl_client *client,
static void subsurface_handle_place_above(struct wl_client *client,
struct wl_resource *resource, struct wl_resource *sibling_resource) {
struct wlr_subsurface *subsurface = subsurface_from_resource(resource);
if (subsurface == NULL) {
return;
}
struct wlr_surface *sibling_surface =
wlr_surface_from_resource(sibling_resource);
@ -786,9 +794,12 @@ static void subsurface_place_above(struct wl_client *client,
subsurface->reordered = true;
}
static void subsurface_place_below(struct wl_client *client,
static void subsurface_handle_place_below(struct wl_client *client,
struct wl_resource *resource, struct wl_resource *sibling_resource) {
struct wlr_subsurface *subsurface = subsurface_from_resource(resource);
if (subsurface == NULL) {
return;
}
struct wlr_surface *sibling_surface =
wlr_surface_from_resource(sibling_resource);
@ -810,20 +821,24 @@ static void subsurface_place_below(struct wl_client *client,
subsurface->reordered = true;
}
static void subsurface_set_sync(struct wl_client *client,
static void subsurface_handle_set_sync(struct wl_client *client,
struct wl_resource *resource) {
struct wlr_subsurface *subsurface = subsurface_from_resource(resource);
if (subsurface) {
subsurface->synchronized = true;
if (subsurface == NULL) {
return;
}
subsurface->synchronized = true;
}
static void subsurface_set_desync(struct wl_client *client,
static void subsurface_handle_set_desync(struct wl_client *client,
struct wl_resource *resource) {
struct wlr_subsurface *subsurface = subsurface_from_resource(resource);
if (subsurface == NULL) {
return;
}
if (subsurface && subsurface->synchronized) {
if (subsurface->synchronized) {
subsurface->synchronized = false;
if (!subsurface_is_synchronized(subsurface)) {
@ -835,11 +850,11 @@ static void subsurface_set_desync(struct wl_client *client,
static const struct wl_subsurface_interface subsurface_implementation = {
.destroy = subsurface_handle_destroy,
.set_position = subsurface_set_position,
.place_above = subsurface_place_above,
.place_below = subsurface_place_below,
.set_sync = subsurface_set_sync,
.set_desync = subsurface_set_desync,
.set_position = subsurface_handle_set_position,
.place_above = subsurface_handle_place_above,
.place_below = subsurface_handle_place_below,
.set_sync = subsurface_handle_set_sync,
.set_desync = subsurface_handle_set_desync,
};
static void subsurface_handle_parent_destroy(struct wl_listener *listener,
@ -862,6 +877,8 @@ static void subsurface_handle_surface_destroy(struct wl_listener *listener,
struct wlr_subsurface *wlr_subsurface_create(struct wlr_surface *surface,
struct wlr_surface *parent, uint32_t version, uint32_t id,
struct wl_list *resource_list) {
assert(version <= SUBSURFACE_VERSION);
struct wl_client *client = wl_resource_get_client(surface->resource);
struct wlr_subsurface *subsurface =