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buffer: add destroy event

This commit is contained in:
Simon Ser 2020-02-28 13:14:06 +01:00
parent 7516a98167
commit 1674ca725c
2 changed files with 8 additions and 0 deletions
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4
include/wlr/types/wlr_buffer.h
View File

@ -25,6 +25,10 @@ struct wlr_buffer {
const struct wlr_buffer_impl *impl; const struct wlr_buffer_impl *impl;
size_t n_refs; size_t n_refs;
struct {
struct wl_signal destroy;
} events;
}; };
void wlr_buffer_init(struct wlr_buffer *buffer, void wlr_buffer_init(struct wlr_buffer *buffer,

4
types/wlr_buffer.c
View File

@ -4,12 +4,14 @@
#include <wlr/types/wlr_buffer.h> #include <wlr/types/wlr_buffer.h>
#include <wlr/types/wlr_linux_dmabuf_v1.h> #include <wlr/types/wlr_linux_dmabuf_v1.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include "util/signal.h"
void wlr_buffer_init(struct wlr_buffer *buffer, void wlr_buffer_init(struct wlr_buffer *buffer,
const struct wlr_buffer_impl *impl) { const struct wlr_buffer_impl *impl) {
assert(impl->destroy); assert(impl->destroy);
buffer->impl = impl; buffer->impl = impl;
buffer->n_refs = 1; buffer->n_refs = 1;
wl_signal_init(&buffer->events.destroy);
} }
struct wlr_buffer *wlr_buffer_ref(struct wlr_buffer *buffer) { struct wlr_buffer *wlr_buffer_ref(struct wlr_buffer *buffer) {
@ -28,6 +30,8 @@ void wlr_buffer_unref(struct wlr_buffer *buffer) {
return; return;
} }
wlr_signal_emit_safe(&buffer->events.destroy, NULL);
buffer->impl->destroy(buffer); buffer->impl->destroy(buffer);
} }