1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
* © Copyright 2017-2018 Alyssa Rosenzweig
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef __PAN_POOL_H__
#define __PAN_POOL_H__
#include <panfrost-misc.h>
/* Represents a pool of memory that can only grow, used to allocate objects
* with the same lifetime as the pool itself. In OpenGL, a pool is owned by the
* batch for transient structures. In Vulkan, it may be owned by e.g. the
* command pool */
struct pan_pool {
/* Parent device for allocation */
struct panfrost_device *dev;
/* panfrost_bo -> access_flags owned by the pool */
struct hash_table *bos;
/* Current transient BO */
struct panfrost_bo *transient_bo;
/* Within the topmost transient BO, how much has been used? */
unsigned transient_offset;
};
struct pan_pool
panfrost_create_pool(void *memctx, struct panfrost_device *dev);
/* Represents a fat pointer for GPU-mapped memory, returned from the transient
* allocator and not used for much else */
struct panfrost_transfer {
uint8_t *cpu;
mali_ptr gpu;
};
struct panfrost_transfer
panfrost_pool_alloc(struct pan_pool *pool, size_t sz);
mali_ptr
panfrost_pool_upload(struct pan_pool *pool, const void *data, size_t sz);
#endif
|
