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linux-dmabuf-v1: add wlr_compositor_dmabuf_waiter_create()

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This commit is contained in:
Simon Ser 2023-07-04 13:41:25 +02:00
parent cacf9c6713
commit d3b461c0d2
2 changed files with 60 additions and 0 deletions
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6
include/wlr/types/wlr_linux_dmabuf_v1.h
View file

@ -16,6 +16,7 @@
#include <wlr/render/dmabuf.h>
#include <wlr/render/drm_format_set.h>
struct wlr_compositor;
struct wlr_surface;
struct wlr_dmabuf_v1_buffer {
@ -158,5 +159,10 @@ void wlr_surface_dmabuf_waiter_init(struct wlr_surface_dmabuf_waiter *waiter,
* immediately.
*/
void wlr_surface_dmabuf_waiter_finish(struct wlr_surface_dmabuf_waiter *waiter);
/**
* Initialize a compositor-wide DMA-BUF waiter, which will listen for new
* surfaces and attach DMA-BUF surface waiters to them.
*/
void wlr_compositor_dmabuf_waiter_create(struct wlr_compositor *compositor);
#endif

54
types/wlr_linux_dmabuf_v1.c
View file

@ -1292,3 +1292,57 @@ void wlr_surface_dmabuf_waiter_finish(struct wlr_surface_dmabuf_waiter *waiter)
wl_list_remove(&waiter->commits);
wl_list_remove(&waiter->client_commit.link);
}
struct wlr_compositor_dmabuf_waiter {
struct wl_listener new_surface;
struct wl_listener destroy;
};
struct wlr_compositor_dmabuf_waiter_surface {
struct wlr_surface_dmabuf_waiter base;
struct wl_listener destroy;
};
static void compositor_dmabuf_waiter_surface_handle_destroy(struct wl_listener *listener, void *data) {
struct wlr_compositor_dmabuf_waiter_surface *waiter_surface =
wl_container_of(listener, waiter_surface, destroy);
wlr_surface_dmabuf_waiter_finish(&waiter_surface->base);
wl_list_remove(&waiter_surface->destroy.link);
free(waiter_surface);
}
static void compositor_dmabuf_waiter_handle_new_surface(struct wl_listener *listener, void *data) {
struct wlr_surface *surface = data;
struct wlr_compositor_dmabuf_waiter_surface *waiter_surface = calloc(1, sizeof(*waiter_surface));
if (waiter_surface == NULL) {
wlr_log(WLR_ERROR, "Allocation failed");
return;
}
wlr_surface_dmabuf_waiter_init(&waiter_surface->base, surface);
waiter_surface->destroy.notify = compositor_dmabuf_waiter_surface_handle_destroy;
wl_signal_add(&surface->events.destroy, &waiter_surface->destroy);
}
static void compositor_dmabuf_waiter_handle_destroy(struct wl_listener *listener, void *data) {
struct wlr_compositor_dmabuf_waiter *waiter =
wl_container_of(listener, waiter, destroy);
wl_list_remove(&waiter->new_surface.link);
wl_list_remove(&waiter->destroy.link);
free(waiter);
}
void wlr_compositor_dmabuf_waiter_create(struct wlr_compositor *compositor) {
struct wlr_compositor_dmabuf_waiter *waiter = calloc(1, sizeof(*waiter));
if (waiter == NULL) {
wlr_log(WLR_ERROR, "Allocation failed");
return;
}
waiter->new_surface.notify = compositor_dmabuf_waiter_handle_new_surface;
wl_signal_add(&compositor->events.new_surface, &waiter->new_surface);
waiter->destroy.notify = compositor_dmabuf_waiter_handle_destroy;
wl_signal_add(&compositor->events.destroy, &waiter->destroy);
}