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
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/*
* Copyright 2010, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "TexturesGenerator.h"
#if USE(ACCELERATED_COMPOSITING)
#include "BaseLayerAndroid.h"
#include "GLUtils.h"
#include "PaintLayerOperation.h"
#include "TilesManager.h"
#ifdef DEBUG
#include <cutils/log.h>
#include <wtf/CurrentTime.h>
#include <wtf/text/CString.h>
#undef XLOG
#define XLOG(...) android_printLog(ANDROID_LOG_DEBUG, "TexturesGenerator", __VA_ARGS__)
#else
#undef XLOG
#define XLOG(...)
#endif // DEBUG
namespace WebCore {
void TexturesGenerator::scheduleOperation(QueuedOperation* operation)
{
android::Mutex::Autolock lock(mRequestedOperationsLock);
for (unsigned int i = 0; i < mRequestedOperations.size(); i++) {
QueuedOperation** s = &mRequestedOperations[i];
// A similar operation is already in the queue. The newer operation may
// have additional dirty tiles so delete the existing operation and
// replace it with the new one.
if (*s && *s == operation) {
QueuedOperation* oldOperation = *s;
*s = operation;
delete oldOperation;
return;
}
}
mRequestedOperations.append(operation);
m_newRequestLock.lock();
m_newRequestCond.signal();
m_newRequestLock.unlock();
}
void TexturesGenerator::removeOperationsForPage(TiledPage* page)
{
removeOperationsForFilter(new PageFilter(page));
}
void TexturesGenerator::removeOperationsForBaseLayer(BaseLayerAndroid* layer)
{
removeOperationsForFilter(new PaintLayerBaseFilter(layer));
}
void TexturesGenerator::removeOperationsForTexture(LayerTexture* texture)
{
removeOperationsForFilter(new PaintLayerTextureFilter(texture));
}
void TexturesGenerator::removeOperationsForFilter(OperationFilter* filter)
{
mRequestedOperationsLock.lock();
for (unsigned int i = 0; i < mRequestedOperations.size();) {
QueuedOperation* operation = mRequestedOperations[i];
if (filter->check(operation)) {
mRequestedOperations.remove(i);
delete operation;
} else {
i++;
}
}
QueuedOperation* operation = m_currentOperation;
if (operation && filter->check(operation))
m_waitForCompletion = true;
mRequestedOperationsLock.unlock();
delete filter;
if (!m_waitForCompletion)
return;
// At this point, it means that we are currently executing an operation that
// we want to be removed -- we should wait until it is done, so that
// when we return our caller can be sure that there is no more operations
// in the queue matching the given filter.
mRequestedOperationsLock.lock();
if (!m_waitForCompletion) {
mRequestedOperationsLock.unlock();
return; // operation treated
}
mRequestedOperationsCond.wait(mRequestedOperationsLock);
m_waitForCompletion = false;
mRequestedOperationsLock.unlock();
}
status_t TexturesGenerator::readyToRun()
{
TilesManager::instance()->enableTextures();
XLOG("Textures enabled (context acquired...)");
TilesManager::instance()->paintTexturesDefault();
XLOG("Textures painted");
TilesManager::instance()->markGeneratorAsReady();
XLOG("Thread ready to run");
return NO_ERROR;
}
bool TexturesGenerator::threadLoop()
{
mRequestedOperationsLock.lock();
if (!mRequestedOperations.size()) {
XLOG("threadLoop, waiting for signal");
m_newRequestLock.lock();
mRequestedOperationsLock.unlock();
m_newRequestCond.wait(m_newRequestLock);
m_newRequestLock.unlock();
XLOG("threadLoop, got signal");
} else {
XLOG("threadLoop going as we already have something in the queue");
mRequestedOperationsLock.unlock();
}
m_currentOperation = 0;
bool stop = false;
while (!stop) {
XLOG("threadLoop evaluating the requests");
mRequestedOperationsLock.lock();
if (mRequestedOperations.size()) {
m_currentOperation = mRequestedOperations.first();
mRequestedOperations.remove(0);
XLOG("threadLoop, popping the first request (%d requests left)",
mRequestedOperations.size());
}
mRequestedOperationsLock.unlock();
if (m_currentOperation) {
XLOG("threadLoop, painting the request");
m_currentOperation->run();
XLOG("threadLoop, painting the request - DONE");
}
mRequestedOperationsLock.lock();
if (m_currentOperation) {
delete m_currentOperation;
m_currentOperation = 0;
mRequestedOperationsCond.signal();
}
if (!mRequestedOperations.size())
stop = true;
if (m_waitForCompletion)
mRequestedOperationsCond.signal();
mRequestedOperationsLock.unlock();
}
return true;
}
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
|
