weston/shared/client-buffer-util.h
Robert Mader 6951ff578b shared: Add client-buffer helpers
Factor out client-buffer creation into a helper library in order to
avoid duplication. This notably allows clients and tests to easily reuse
the dmabuf and yuv logic.

Signed-off-by: Robert Mader <robert.mader@collabora.com>
2025-09-05 11:47:18 +02:00

76 lines
2.2 KiB
C

/*
* Copyright © 2025 Collabora, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
struct pixel_format_info;
struct wl_buffer;
struct wl_shm;
struct wl_display;
struct zwp_linux_dmabuf_v1;
#define MAX_DMABUF_PLANES 4
struct client_buffer {
const struct pixel_format_info *fmt;
struct wl_buffer *wl_buffer;
void *data;
size_t bytes;
int dmabuf_fd;
int width;
int height;
size_t bytes_per_line[MAX_DMABUF_PLANES];
size_t strides[MAX_DMABUF_PLANES];
size_t offsets[MAX_DMABUF_PLANES];
};
bool
client_buffer_util_is_dmabuf_supported(void);
void
client_buffer_util_destroy_buffer(struct client_buffer *buf);
struct client_buffer *
client_buffer_util_create_shm_buffer(struct wl_shm *shm,
const struct pixel_format_info *fmt,
int width,
int height);
struct client_buffer *
client_buffer_util_create_dmabuf_buffer(struct wl_display *display,
struct zwp_linux_dmabuf_v1 *dmabuf,
const struct pixel_format_info *fmt,
int width,
int height);
void
client_buffer_util_maybe_sync_dmabuf_start(struct client_buffer *buf);
void
client_buffer_util_maybe_sync_dmabuf_end(struct client_buffer *buf);