diff options
| -rw-r--r-- | include/wlr/types/wlr_surface.h | 1 | ||||
| -rw-r--r-- | types/wlr_surface.c | 49 |
2 files changed, 41 insertions, 9 deletions
diff --git a/include/wlr/types/wlr_surface.h b/include/wlr/types/wlr_surface.h index ae278815..23e53811 100644 --- a/include/wlr/types/wlr_surface.h +++ b/include/wlr/types/wlr_surface.h @@ -24,6 +24,7 @@ struct wlr_frame_callback { struct wlr_surface_state { uint32_t invalid; struct wl_resource *buffer; + struct wl_listener buffer_destroy_listener; int32_t sx, sy; pixman_region32_t surface_damage, buffer_damage; pixman_region32_t opaque, input; diff --git a/types/wlr_surface.c b/types/wlr_surface.c index e44ea9fc..45b51363 100644 --- a/types/wlr_surface.c +++ b/types/wlr_surface.c @@ -7,6 +7,39 @@ #include <wlr/types/wlr_surface.h> #include <wlr/render/matrix.h> +static void wlr_surface_state_reset_buffer(struct wlr_surface_state *state) { + if (state->buffer) { + wl_list_remove(&state->buffer_destroy_listener.link); + state->buffer = NULL; + } +} + +static void 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; +} + +static void wlr_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; + } +} + +static void wlr_surface_state_set_buffer(struct wlr_surface_state *state, + struct wl_resource *buffer) { + state->buffer = buffer; + if (buffer) { + wl_resource_add_destroy_listener(buffer, + &state->buffer_destroy_listener); + state->buffer_destroy_listener.notify = buffer_destroy; + } +} + static void surface_destroy(struct wl_client *client, struct wl_resource *resource) { wl_resource_destroy(resource); @@ -18,7 +51,8 @@ static void surface_attach(struct wl_client *client, struct wlr_surface *surface = wl_resource_get_user_data(resource); surface->pending->invalid |= WLR_SURFACE_INVALID_BUFFER; - surface->pending->buffer = buffer; + wlr_surface_state_reset_buffer(surface->pending); + wlr_surface_state_set_buffer(surface->pending, buffer); } static void surface_damage(struct wl_client *client, @@ -223,12 +257,9 @@ static void wlr_surface_move_state(struct wlr_surface *surface, struct wlr_surfa update_size = true; } if ((next->invalid & WLR_SURFACE_INVALID_BUFFER)) { - if (state->buffer) { - wl_resource_post_event(state->buffer, WL_BUFFER_RELEASE); - } - - state->buffer = next->buffer; - next->buffer = NULL; + wlr_surface_state_release_buffer(state); + wlr_surface_state_set_buffer(state, next->buffer); + wlr_surface_state_reset_buffer(next); update_size = true; } if (update_size) { @@ -460,8 +491,7 @@ release: pixman_region32_clear(&surface->current->surface_damage); pixman_region32_clear(&surface->current->buffer_damage); - wl_resource_post_event(surface->current->buffer, WL_BUFFER_RELEASE); - surface->current->buffer = NULL; + wlr_surface_state_release_buffer(surface->current); } static void surface_set_buffer_transform(struct wl_client *client, @@ -522,6 +552,7 @@ static struct wlr_surface_state *wlr_surface_state_create() { } static void wlr_surface_state_destroy(struct wlr_surface_state *state) { + wlr_surface_state_reset_buffer(state); struct wlr_frame_callback *cb, *tmp; wl_list_for_each_safe(cb, tmp, &state->frame_callback_list, link) { wl_resource_destroy(cb->resource); |