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_inlines.h"
34 struct pipe_reference reference;
35 struct vc4_screen *screen;
41 #ifdef USE_VC4_SIMULATOR
42 void *simulator_winsys_map;
43 uint32_t simulator_winsys_stride;
46 /** Entry in the linked list of buffers freed, by age. */
47 struct list_head time_list;
48 /** Entry in the per-page-count linked list of buffers freed (by age). */
49 struct list_head size_list;
50 /** Approximate second when the bo was freed. */
53 * Whether only our process has a reference to the BO (meaning that
54 * it's safe to reuse it in the BO cache).
59 struct vc4_bo *vc4_bo_alloc(struct vc4_screen *screen, uint32_t size,
61 struct vc4_bo *vc4_bo_alloc_shader(struct vc4_screen *screen, const void *data,
63 void vc4_bo_last_unreference(struct vc4_bo *bo);
64 void vc4_bo_last_unreference_locked_timed(struct vc4_bo *bo, time_t time);
65 struct vc4_bo *vc4_bo_open_name(struct vc4_screen *screen, uint32_t name,
66 uint32_t winsys_stride);
67 struct vc4_bo *vc4_bo_open_dmabuf(struct vc4_screen *screen, int fd,
68 uint32_t winsys_stride);
69 bool vc4_bo_flink(struct vc4_bo *bo, uint32_t *name);
70 int vc4_bo_get_dmabuf(struct vc4_bo *bo);
73 vc4_bo_set_reference(struct vc4_bo **old_bo, struct vc4_bo *new_bo)
75 if (pipe_reference(&(*old_bo)->reference, &new_bo->reference))
76 vc4_bo_last_unreference(*old_bo);
80 static inline struct vc4_bo *
81 vc4_bo_reference(struct vc4_bo *bo)
83 pipe_reference(NULL, &bo->reference);
88 vc4_bo_unreference(struct vc4_bo **bo)
93 if (pipe_reference(&(*bo)->reference, NULL))
94 vc4_bo_last_unreference(*bo);
99 vc4_bo_unreference_locked_timed(struct vc4_bo **bo, time_t time)
104 if (pipe_reference(&(*bo)->reference, NULL))
105 vc4_bo_last_unreference_locked_timed(*bo, time);
110 vc4_bo_map(struct vc4_bo *bo);
113 vc4_bo_map_unsynchronized(struct vc4_bo *bo);
116 vc4_bo_wait(struct vc4_bo *bo, uint64_t timeout_ns, const char *reason);
119 vc4_wait_seqno(struct vc4_screen *screen, uint64_t seqno, uint64_t timeout_ns,
123 vc4_bufmgr_destroy(struct pipe_screen *pscreen);
125 #endif /* VC4_BUFMGR_H */