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/*
* 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 "GLUtils.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::schedulePaintForTilesSet(TilesSet* set)
{
android::Mutex::Autolock lock(mRequestedPixmapsLock);
for (unsigned int i = 0; i < mRequestedPixmaps.size(); i++) {
TilesSet* s = mRequestedPixmaps[i];
if (s && *s == *set) {
// Similar set already in the queue
delete set;
return;
}
}
XLOG("%x schedulePaintForTilesSet (%x) %d, %d, %d, %d", this, set,
set->firstTileX(), set->firstTileY(), set->nbRows(), set->nbCols());
mRequestedPixmaps.append(set);
m_newRequestLock.lock();
m_newRequestCond.signal();
m_newRequestLock.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()
{
XLOG("threadLoop, waiting for signal");
m_newRequestLock.lock();
m_newRequestCond.wait(m_newRequestLock);
m_newRequestLock.unlock();
XLOG("threadLoop, got signal");
bool stop = false;
while (!stop) {
mRequestedPixmapsLock.lock();
TilesSet* set = 0;
if (mRequestedPixmaps.size())
set = mRequestedPixmaps.first();
mRequestedPixmapsLock.unlock();
if (set) {
set->paint();
mRequestedPixmapsLock.lock();
mRequestedPixmaps.remove(0);
mRequestedPixmapsLock.unlock();
delete set;
}
mRequestedPixmapsLock.lock();
if (!mRequestedPixmaps.size())
stop = true;
mRequestedPixmapsLock.unlock();
}
return true;
}
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
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