lima_bo.h revision b8e80941 
1/*
2 * Copyright (C) 2018-2019 Lima Project
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#ifndef H_LIMA_BO
25#define H_LIMA_BO
26
27#include <stdbool.h>
28#include <stdint.h>
29
30#include "util/u_atomic.h"
31
32struct lima_bo {
33   struct lima_screen *screen;
34   int refcnt;
35
36   uint32_t size;
37   uint32_t handle;
38   uint64_t offset;
39   uint32_t flink_name;
40
41   void *map;
42   uint32_t va;
43};
44
45bool lima_bo_table_init(struct lima_screen *screen);
46void lima_bo_table_fini(struct lima_screen *screen);
47
48struct lima_bo *lima_bo_create(struct lima_screen *screen, uint32_t size,
49                               uint32_t flags);
50void lima_bo_free(struct lima_bo *bo);
51
52static inline void lima_bo_reference(struct lima_bo *bo)
53{
54   p_atomic_inc(&bo->refcnt);
55}
56
57void *lima_bo_map(struct lima_bo *bo);
58void lima_bo_unmap(struct lima_bo *bo);
59
60bool lima_bo_export(struct lima_bo *bo, struct winsys_handle *handle);
61struct lima_bo *lima_bo_import(struct lima_screen *screen,
62                               struct winsys_handle *handle);
63
64bool lima_bo_wait(struct lima_bo *bo, uint32_t op, uint64_t timeout_ns);
65
66#endif
67