mpv/video/out/wlbuf_pool.h

79 lines
2.3 KiB
C

/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef MPLAYER_VIDEO_OUT_WLBUF_POOL_H
#define MPLAYER_VIDEO_OUT_WLBUF_POOL_H
#include "wayland_common.h"
#include "generated/wayland/linux-dmabuf-unstable-v1.h"
struct wlbuf_pool_entry;
typedef uintptr_t (*wlbuf_pool_key_provider)(struct mp_image *src);
typedef bool (*wlbuf_pool_dmabuf_importer)(struct mp_image *src, struct wlbuf_pool_entry* entry,
struct zwp_linux_buffer_params_v1 *params);
#define WLBUF_NUM_PURG_ENTRIES 60
struct wlbuf_purgatory {
struct wlbuf_pool_entry *entries[WLBUF_NUM_PURG_ENTRIES];
};
struct wlbuf_pool {
struct vo *vo;
struct vo_wayland_state *wl;
struct wlbuf_pool_entry **entries;
int num_entries;
int num_allocated;
wlbuf_pool_key_provider key_provider;
wlbuf_pool_dmabuf_importer dmabuf_importer;
struct wlbuf_purgatory purg;
};
struct wlbuf_pool_entry {
uintptr_t key;
struct vo *vo;
struct wl_buffer *buffer;
uint32_t drm_format;
struct mp_image *image;
bool pending_free;
struct wlbuf_pool *pool;
};
/**
* Allocate pool
*/
struct wlbuf_pool *wlbuf_pool_alloc(struct vo *vo, struct vo_wayland_state *wl, wlbuf_pool_key_provider key_provider,
wlbuf_pool_dmabuf_importer dmabuf_importer);
/**
* Free pool entries but leave pool itself intact
*/
void wlbuf_pool_clean(struct wlbuf_pool *pool, bool final_clean);
/**
* Free pool
*/
void wlbuf_pool_free(struct wlbuf_pool *pool);
/**
* Get pool entry - will allocate entry if not present in pool.
*/
struct wlbuf_pool_entry *wlbuf_pool_get_entry(struct wlbuf_pool *pool, struct mp_image *src);
#endif