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
|
/*
* 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.
*/
class MemoryProxy;
#ifndef __COM_MEMORYPROXY_H__
#define __COM_MEMORYPROXY_H__
#include "COM_ExecutionGroup.h"
#include "COM_MemoryBuffer.h"
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 *m_writeBufferOperation;
/**
* \brief reference to the executor. the Execution group that can fill a chunk
*/
ExecutionGroup *m_executor;
/**
* \brief datatype of this MemoryProxy
*/
/* DataType m_datatype; */ /* UNUSED */
/**
* \brief channel information of this buffer
*/
/* ChannelInfo m_channelInfo[COM_NUMBER_OF_CHANNELS]; */ /* UNUSED */
/**
* \brief the allocated memory
*/
MemoryBuffer *m_buffer;
/**
* \brief datatype of this MemoryProxy
*/
DataType m_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 setExecutor(ExecutionGroup *executor)
{
this->m_executor = executor;
}
/**
* \brief get the ExecutionGroup that can be scheduled to calculate a certain chunk.
*/
ExecutionGroup *getExecutor()
{
return this->m_executor;
}
/**
* \brief set the WriteBufferOperation that is responsible for writing to this MemoryProxy
* \param operation:
*/
void setWriteBufferOperation(WriteBufferOperation *operation)
{
this->m_writeBufferOperation = operation;
}
/**
* \brief get the WriteBufferOperation that is responsible for writing to this MemoryProxy
* \return WriteBufferOperation
*/
WriteBufferOperation *getWriteBufferOperation()
{
return this->m_writeBufferOperation;
}
/**
* \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 *getBuffer()
{
return this->m_buffer;
}
inline DataType getDataType()
{
return this->m_datatype;
}
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("COM:MemoryProxy")
#endif
};
#endif
|
