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
|
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2011, Blender Foundation.
*/
#pragma once
#ifdef WITH_CXX_GUARDEDALLOC
# include "MEM_guardedalloc.h"
#endif
#include "COM_defines.h"
namespace blender::compositor {
/* Forward declarations. */
class MemoryBuffer;
class ExecutionGroup;
class WriteBufferOperation;
/**
* \brief A MemoryProxy is a unique identifier for a memory buffer.
* A single MemoryProxy is used among all chunks of the same buffer,
* the MemoryBuffer only stores the data of a single chunk.
* \ingroup Memory
*/
class MemoryProxy {
private:
/**
* \brief reference to the output operation of the executiongroup
*/
WriteBufferOperation *write_buffer_operation_;
/**
* \brief reference to the executor. the Execution group that can fill a chunk
*/
ExecutionGroup *executor_;
/**
* \brief the allocated memory
*/
MemoryBuffer *buffer_;
/**
* \brief datatype of this MemoryProxy
*/
DataType datatype_;
public:
MemoryProxy(DataType type);
/**
* \brief set the ExecutionGroup that can be scheduled to calculate a certain chunk.
* \param group: the ExecutionGroup to set
*/
void set_executor(ExecutionGroup *executor)
{
executor_ = executor;
}
/**
* \brief get the ExecutionGroup that can be scheduled to calculate a certain chunk.
*/
ExecutionGroup *get_executor() const
{
return executor_;
}
/**
* \brief set the WriteBufferOperation that is responsible for writing to this MemoryProxy
* \param operation:
*/
void set_write_buffer_operation(WriteBufferOperation *operation)
{
write_buffer_operation_ = operation;
}
/**
* \brief get the WriteBufferOperation that is responsible for writing to this MemoryProxy
* \return WriteBufferOperation
*/
WriteBufferOperation *get_write_buffer_operation() const
{
return write_buffer_operation_;
}
/**
* \brief allocate memory of size width x height
*/
void allocate(unsigned int width, unsigned int height);
/**
* \brief free the allocated memory
*/
void free();
/**
* \brief get the allocated memory
*/
inline MemoryBuffer *get_buffer()
{
return buffer_;
}
inline DataType get_data_type()
{
return datatype_;
}
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("COM:MemoryProxy")
#endif
};
} // namespace blender::compositor
|
