1 /* 2 * SPDX-License-Identifier: GPL-2.0-or-later 3 * 4 * QemuDmaBuf struct and helpers used for accessing its data 5 * 6 * This work is licensed under the terms of the GNU GPL, version 2 or later. 7 * See the COPYING file in the top-level directory. 8 */ 9 10 #ifndef DMABUF_H 11 #define DMABUF_H 12 13 #define DMABUF_MAX_PLANES 4 14 15 typedef struct QemuDmaBuf QemuDmaBuf; 16 17 QemuDmaBuf *qemu_dmabuf_new(uint32_t width, uint32_t height, 18 const uint32_t *offset, const uint32_t *stride, 19 uint32_t x, uint32_t y, 20 uint32_t backing_width, uint32_t backing_height, 21 uint32_t fourcc, uint64_t modifier, 22 const int32_t *dmabuf_fd, uint32_t num_planes, 23 bool allow_fences, bool y0_top); 24 void qemu_dmabuf_free(QemuDmaBuf *dmabuf); 25 26 G_DEFINE_AUTOPTR_CLEANUP_FUNC(QemuDmaBuf, qemu_dmabuf_free); 27 28 const int *qemu_dmabuf_get_fds(QemuDmaBuf *dmabuf, int *nfds); 29 void qemu_dmabuf_dup_fds(QemuDmaBuf *dmabuf, int *fds, int nfds); 30 void qemu_dmabuf_close(QemuDmaBuf *dmabuf); 31 uint32_t qemu_dmabuf_get_width(QemuDmaBuf *dmabuf); 32 uint32_t qemu_dmabuf_get_height(QemuDmaBuf *dmabuf); 33 const uint32_t *qemu_dmabuf_get_offsets(QemuDmaBuf *dmabuf, int *noffsets); 34 const uint32_t *qemu_dmabuf_get_strides(QemuDmaBuf *dmabuf, int *nstrides); 35 uint32_t qemu_dmabuf_get_num_planes(QemuDmaBuf *dmabuf); 36 uint32_t qemu_dmabuf_get_fourcc(QemuDmaBuf *dmabuf); 37 uint64_t qemu_dmabuf_get_modifier(QemuDmaBuf *dmabuf); 38 uint32_t qemu_dmabuf_get_texture(QemuDmaBuf *dmabuf); 39 uint32_t qemu_dmabuf_get_x(QemuDmaBuf *dmabuf); 40 uint32_t qemu_dmabuf_get_y(QemuDmaBuf *dmabuf); 41 uint32_t qemu_dmabuf_get_backing_width(QemuDmaBuf *dmabuf); 42 uint32_t qemu_dmabuf_get_backing_height(QemuDmaBuf *dmabuf); 43 bool qemu_dmabuf_get_y0_top(QemuDmaBuf *dmabuf); 44 void *qemu_dmabuf_get_sync(QemuDmaBuf *dmabuf); 45 int32_t qemu_dmabuf_get_fence_fd(QemuDmaBuf *dmabuf); 46 bool qemu_dmabuf_get_allow_fences(QemuDmaBuf *dmabuf); 47 bool qemu_dmabuf_get_draw_submitted(QemuDmaBuf *dmabuf); 48 void qemu_dmabuf_set_texture(QemuDmaBuf *dmabuf, uint32_t texture); 49 void qemu_dmabuf_set_fence_fd(QemuDmaBuf *dmabuf, int32_t fence_fd); 50 void qemu_dmabuf_set_sync(QemuDmaBuf *dmabuf, void *sync); 51 void qemu_dmabuf_set_draw_submitted(QemuDmaBuf *dmabuf, bool draw_submitted); 52 53 #endif 54