2 * Copyright © 2014 Broadcom
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:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
28 #include "util/u_hash_table.h"
29 #include "util/u_inlines.h"
35 struct pipe_reference reference
;
36 struct vc4_screen
*screen
;
42 #ifdef USE_VC4_SIMULATOR
43 void *simulator_winsys_map
;
44 uint32_t simulator_winsys_stride
;
47 /** Entry in the linked list of buffers freed, by age. */
48 struct list_head time_list
;
49 /** Entry in the per-page-count linked list of buffers freed (by age). */
50 struct list_head size_list
;
51 /** Approximate second when the bo was freed. */
54 * Whether only our process has a reference to the BO (meaning that
55 * it's safe to reuse it in the BO cache).
60 struct vc4_bo
*vc4_bo_alloc(struct vc4_screen
*screen
, uint32_t size
,
62 struct vc4_bo
*vc4_bo_alloc_shader(struct vc4_screen
*screen
, const void *data
,
64 void vc4_bo_last_unreference(struct vc4_bo
*bo
);
65 void vc4_bo_last_unreference_locked_timed(struct vc4_bo
*bo
, time_t time
);
66 struct vc4_bo
*vc4_bo_open_name(struct vc4_screen
*screen
, uint32_t name
,
67 uint32_t winsys_stride
);
68 struct vc4_bo
*vc4_bo_open_dmabuf(struct vc4_screen
*screen
, int fd
,
69 uint32_t winsys_stride
);
70 bool vc4_bo_flink(struct vc4_bo
*bo
, uint32_t *name
);
71 int vc4_bo_get_dmabuf(struct vc4_bo
*bo
);
74 vc4_bo_set_reference(struct vc4_bo
**old_bo
, struct vc4_bo
*new_bo
)
76 if (pipe_reference(&(*old_bo
)->reference
, &new_bo
->reference
))
77 vc4_bo_last_unreference(*old_bo
);
81 static inline struct vc4_bo
*
82 vc4_bo_reference(struct vc4_bo
*bo
)
84 pipe_reference(NULL
, &bo
->reference
);
89 vc4_bo_unreference(struct vc4_bo
**bo
)
91 struct vc4_screen
*screen
;
96 /* Avoid the mutex for private BOs */
97 if (pipe_reference(&(*bo
)->reference
, NULL
))
98 vc4_bo_last_unreference(*bo
);
100 screen
= (*bo
)->screen
;
101 pipe_mutex_lock(screen
->bo_handles_mutex
);
103 if (pipe_reference(&(*bo
)->reference
, NULL
)) {
104 util_hash_table_remove(screen
->bo_handles
,
105 (void *)(uintptr_t)(*bo
)->handle
);
106 vc4_bo_last_unreference(*bo
);
109 pipe_mutex_unlock(screen
->bo_handles_mutex
);
116 vc4_bo_unreference_locked_timed(struct vc4_bo
**bo
, time_t time
)
121 if (pipe_reference(&(*bo
)->reference
, NULL
))
122 vc4_bo_last_unreference_locked_timed(*bo
, time
);
127 vc4_bo_map(struct vc4_bo
*bo
);
130 vc4_bo_map_unsynchronized(struct vc4_bo
*bo
);
133 vc4_bo_wait(struct vc4_bo
*bo
, uint64_t timeout_ns
, const char *reason
);
136 vc4_wait_seqno(struct vc4_screen
*screen
, uint64_t seqno
, uint64_t timeout_ns
,
140 vc4_bufmgr_destroy(struct pipe_screen
*pscreen
);
142 #endif /* VC4_BUFMGR_H */