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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
|
/*
* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
* (c) 2009 Dmitry Kazakov <dimula73@gmail.com>
*
* 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.
*/
#include "kis_tile_data.h"
#include "kis_tile_data_store.h"
#include "kis_tile.h"
#include "kis_memento_manager.h"
#include "kis_debug.h"
void KisTile::init(qint32 col, qint32 row,
KisTileData *defaultTileData, KisMementoManager* mm)
{
m_col = col;
m_row = row;
m_extent = QRect(m_col * KisTileData::WIDTH, m_row * KisTileData::HEIGHT,
KisTileData::WIDTH, KisTileData::HEIGHT);
m_nextTile = 0;
m_tileData = defaultTileData;
globalTileDataStore.acquireTileData(m_tileData);
m_mementoManager = mm;
}
KisTile::KisTile(qint32 col, qint32 row,
KisTileData *defaultTileData, KisMementoManager* mm)
: m_lock(QMutex::Recursive)
{
init(col, row, defaultTileData, mm);
}
KisTile::KisTile(const KisTile& rhs, qint32 col, qint32 row, KisMementoManager* mm)
: KisShared(),
m_lock(QMutex::Recursive)
{
init(col, row, rhs.tileData(), mm);
}
KisTile::KisTile(const KisTile& rhs, KisMementoManager* mm)
: KisShared(),
m_lock(QMutex::Recursive)
{
init(rhs.col(), rhs.row(), rhs.tileData(), mm);
}
KisTile::KisTile(const KisTile& rhs)
: KisShared(),
m_lock(QMutex::Recursive)
{
init(rhs.col(), rhs.row(), rhs.tileData(), rhs.m_mementoManager);
}
KisTile::~KisTile()
{
if (m_mementoManager)
m_mementoManager->registerTileDeleted(this);
globalTileDataStore.releaseTileData(m_tileData);
}
//#define DEBUG_TILE_LOCKING
//#define DEBUG_TILE_COWING
#ifdef DEBUG_TILE_LOCKING
#define DEBUG_LOG_ACTION(action) \
printf("### %s \ttile:\t0x%X (%d, %d) (0x%X) ###\n", action, (quintptr)this, m_col, m_row, (quintptr)m_tileData)
#else
#define DEBUG_LOG_ACTION(action)
#endif
#ifdef DEBUG_TILE_COWING
#define DEBUG_COWING(newTD) \
printf("### COW done \ttile:\t0x%X (%d, %d) (0x%X -> 0x%X) [mm: 0x%X] ###\n", (quintptr)this, m_col, m_row, (quintptr)m_tileData, (quintptr)newTD, m_mementoManager);
#else
#define DEBUG_COWING(newTD)
#endif
void KisTile::lockForRead() const
{
DEBUG_LOG_ACTION("lock [R]");
// m_lock.lock();
globalTileDataStore.ensureTileDataLoaded(m_tileData);
}
#define lazyCopying() (m_tileData->m_usersCount>1)
void KisTile::lockForWrite()
{
/* We are doing COW here */
if (lazyCopying()) {
KisTileData *tileData = globalTileDataStore.duplicateTileData(m_tileData);
DEBUG_COWING(tileData);
globalTileDataStore.releaseTileData(m_tileData);
m_tileData = tileData;
globalTileDataStore.acquireTileData(m_tileData);
if (m_mementoManager)
m_mementoManager->registerTileChange(this);
}
DEBUG_LOG_ACTION("lock [W]");
// m_lock.lock();
globalTileDataStore.ensureTileDataLoaded(m_tileData);
}
void KisTile::unlock() const
{
//DEBUG_LOG_ACTION("unlock");
// m_lock.unlock();
}
#include <stdio.h>
void KisTile::debugPrintInfo()
{
dbgTiles << "------\n"
"Tile:\t\t\t" << this
<< "\n data:\t" << m_tileData
<< "\n next:\t" << m_nextTile.data();
}
void KisTile::debugDumpTile()
{
lockForRead();
quint8 *data = this->data();
for (int i = 0; i < KisTileData::HEIGHT; i++) {
for (int j = 0; j < KisTileData::WIDTH; j++) {
dbgTiles << data[(i*KisTileData::WIDTH+j)*pixelSize()];
}
}
unlock();
}
|