include/ui/dmabuf.h

/*
 * SPDX-License-Identifier: GPL-2.0-or-later
 *
 * QemuDmaBuf struct and helpers used for accessing its data
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#ifndef DMABUF_H
#define DMABUF_H

#define DMABUF_MAX_PLANES 4

typedef struct QemuDmaBuf QemuDmaBuf;

QemuDmaBuf *qemu_dmabuf_new(uint32_t width, uint32_t height,
                            const uint32_t *offset, const uint32_t *stride,
                            uint32_t x, uint32_t y,
                            uint32_t backing_width, uint32_t backing_height,
                            uint32_t fourcc, uint64_t modifier,
                            const int32_t *dmabuf_fd, uint32_t num_planes,
                            bool allow_fences, bool y0_top);
void qemu_dmabuf_free(QemuDmaBuf *dmabuf);

G_DEFINE_AUTOPTR_CLEANUP_FUNC(QemuDmaBuf, qemu_dmabuf_free);

const int *qemu_dmabuf_get_fds(QemuDmaBuf *dmabuf, int *nfds);
void qemu_dmabuf_dup_fds(QemuDmaBuf *dmabuf, int *fds, int nfds);
uint32_t qemu_dmabuf_get_width(QemuDmaBuf *dmabuf);
uint32_t qemu_dmabuf_get_height(QemuDmaBuf *dmabuf);
const uint32_t *qemu_dmabuf_get_offsets(QemuDmaBuf *dmabuf, int *noffsets);
const uint32_t *qemu_dmabuf_get_strides(QemuDmaBuf *dmabuf, int *nstrides);
uint32_t qemu_dmabuf_get_num_planes(QemuDmaBuf *dmabuf);
uint32_t qemu_dmabuf_get_fourcc(QemuDmaBuf *dmabuf);
uint64_t qemu_dmabuf_get_modifier(QemuDmaBuf *dmabuf);
uint32_t qemu_dmabuf_get_texture(QemuDmaBuf *dmabuf);
uint32_t qemu_dmabuf_get_x(QemuDmaBuf *dmabuf);
uint32_t qemu_dmabuf_get_y(QemuDmaBuf *dmabuf);
uint32_t qemu_dmabuf_get_backing_width(QemuDmaBuf *dmabuf);
uint32_t qemu_dmabuf_get_backing_height(QemuDmaBuf *dmabuf);
bool qemu_dmabuf_get_y0_top(QemuDmaBuf *dmabuf);
bool qemu_dmabuf_get_allow_fences(QemuDmaBuf *dmabuf);
void qemu_dmabuf_set_texture(QemuDmaBuf *dmabuf, uint32_t texture);

#endif