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
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
* Copyright 2011-2017 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "device/device.h"
#include "device/device_memory.h"
CCL_NAMESPACE_BEGIN
/* Device Memory */
device_memory::device_memory(Device *device, const char *name, MemoryType type)
: data_type(device_type_traits<uchar>::data_type),
data_elements(device_type_traits<uchar>::num_elements),
data_size(0),
device_size(0),
data_width(0),
data_height(0),
data_depth(0),
type(type),
name(name),
interpolation(INTERPOLATION_NONE),
extension(EXTENSION_REPEAT),
device(device),
device_pointer(0),
host_pointer(0),
shared_pointer(0)
{
}
device_memory::~device_memory()
{
}
void *device_memory::host_alloc(size_t size)
{
if (!size) {
return 0;
}
void *ptr = util_aligned_malloc(size, MIN_ALIGNMENT_CPU_DATA_TYPES);
if (ptr) {
util_guarded_mem_alloc(size);
}
else {
throw std::bad_alloc();
}
return ptr;
}
void device_memory::host_free()
{
if (host_pointer) {
util_guarded_mem_free(memory_size());
util_aligned_free((void *)host_pointer);
host_pointer = 0;
}
}
void device_memory::device_alloc()
{
assert(!device_pointer && type != MEM_TEXTURE);
device->mem_alloc(*this);
}
void device_memory::device_free()
{
if (device_pointer) {
device->mem_free(*this);
}
}
void device_memory::device_copy_to()
{
if (host_pointer) {
device->mem_copy_to(*this);
}
}
void device_memory::device_copy_from(int y, int w, int h, int elem)
{
assert(type != MEM_TEXTURE && type != MEM_READ_ONLY);
device->mem_copy_from(*this, y, w, h, elem);
}
void device_memory::device_zero()
{
if (data_size) {
device->mem_zero(*this);
}
}
void device_memory::swap_device(Device *new_device,
size_t new_device_size,
device_ptr new_device_ptr)
{
original_device = device;
original_device_size = device_size;
original_device_ptr = device_pointer;
device = new_device;
device_size = new_device_size;
device_pointer = new_device_ptr;
}
void device_memory::restore_device()
{
device = original_device;
device_size = original_device_size;
device_pointer = original_device_ptr;
}
/* Device Sub Ptr */
device_sub_ptr::device_sub_ptr(device_memory &mem, int offset, int size) : device(mem.device)
{
ptr = device->mem_alloc_sub_ptr(mem, offset, size);
}
device_sub_ptr::~device_sub_ptr()
{
device->mem_free_sub_ptr(ptr);
}
CCL_NAMESPACE_END
|
