1/*
2 * © Copyright 2017-2018 Alyssa Rosenzweig
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 (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 *
23 */
24
25#ifndef __PANVK_POOL_H__
26#define __PANVK_POOL_H__
27
28#include "pan_pool.h"
29
30struct panvk_bo_pool {
31   struct util_dynarray free_bos;
32};
33
34static inline void panvk_bo_pool_init(struct panvk_bo_pool *bo_pool)
35{
36   util_dynarray_init(&bo_pool->free_bos, NULL);
37}
38
39static inline void panvk_bo_pool_cleanup(struct panvk_bo_pool *bo_pool)
40{
41   util_dynarray_foreach(&bo_pool->free_bos, struct panfrost_bo *, bo)
42      panfrost_bo_unreference(*bo);
43   util_dynarray_fini(&bo_pool->free_bos);
44}
45
46/* Represents grow-only memory. It may be owned by the batch (OpenGL), or may
47   be unowned for persistent uploads. */
48
49struct panvk_pool {
50   /* Inherit from pan_pool */
51   struct pan_pool base;
52
53   /* Before allocating a new BO, check if the BO pool has free BOs.
54    * When returning BOs, if bo_pool != NULL, return them to this bo_pool.
55    */
56   struct panvk_bo_pool *bo_pool;
57
58   /* BOs allocated by this pool */
59   struct util_dynarray bos;
60   struct util_dynarray big_bos;
61
62   /* Current transient BO */
63   struct panfrost_bo *transient_bo;
64
65   /* Within the topmost transient BO, how much has been used? */
66   unsigned transient_offset;
67};
68
69static inline struct panvk_pool *
70to_panvk_pool(struct pan_pool *pool)
71{
72   return container_of(pool, struct panvk_pool, base);
73}
74
75void
76panvk_pool_init(struct panvk_pool *pool, struct panfrost_device *dev,
77                struct panvk_bo_pool *bo_pool, unsigned create_flags,
78                size_t slab_size, const char *label, bool prealloc);
79
80void
81panvk_pool_reset(struct panvk_pool *pool);
82
83void
84panvk_pool_cleanup(struct panvk_pool *pool);
85
86static inline unsigned
87panvk_pool_num_bos(struct panvk_pool *pool)
88{
89   return util_dynarray_num_elements(&pool->bos, struct panfrost_bo *);
90}
91
92void
93panvk_pool_get_bo_handles(struct panvk_pool *pool, uint32_t *handles);
94
95#endif
96