blob: cb6cb4b8da43aa15c9dcac580b3fb4face3b495e (
plain)
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
|
/*
* Copyright 2017 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef CROS_GRALLOC_BUFFER_H
#define CROS_GRALLOC_BUFFER_H
#include "../drv.h"
#include "cros_gralloc_helpers.h"
class cros_gralloc_buffer
{
public:
cros_gralloc_buffer(uint32_t id, struct bo *acquire_bo,
struct cros_gralloc_handle *acquire_handle, int32_t reserved_region_fd,
uint64_t reserved_region_size);
~cros_gralloc_buffer();
uint32_t get_id() const;
/* The new reference count is returned by both these functions. */
int32_t increase_refcount();
int32_t decrease_refcount();
int32_t lock(const struct rectangle *rect, uint32_t map_flags,
uint8_t *addr[DRV_MAX_PLANES]);
int32_t unlock();
int32_t resource_info(uint32_t strides[DRV_MAX_PLANES], uint32_t offsets[DRV_MAX_PLANES]);
int32_t invalidate();
int32_t flush();
int32_t get_reserved_region(void **reserved_region_addr, uint64_t *reserved_region_size);
private:
cros_gralloc_buffer(cros_gralloc_buffer const &);
cros_gralloc_buffer operator=(cros_gralloc_buffer const &);
uint32_t id_;
struct bo *bo_;
/* Note: this will be nullptr for imported/retained buffers. */
struct cros_gralloc_handle *hnd_;
int32_t refcount_;
int32_t lockcount_;
uint32_t num_planes_;
struct mapping *lock_data_[DRV_MAX_PLANES];
/* Optional additional shared memory region attached to some gralloc buffers. */
int32_t reserved_region_fd_;
uint64_t reserved_region_size_;
void *reserved_region_addr_;
};
#endif
|
