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/*
* Copyright (C) 2010, 2011, 2012 Research In Motion Limited. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include "WebGLLayerWebKitThread.h"
#if USE(ACCELERATED_COMPOSITING) && ENABLE(WEBGL)
#include "GraphicsContext3D.h"
#include <pthread.h>
namespace WebCore {
WebGLLayerWebKitThread::WebGLLayerWebKitThread()
: EGLImageLayerWebKitThread(WebGLLayer)
, m_webGLContext(0)
{
}
WebGLLayerWebKitThread::~WebGLLayerWebKitThread()
{
deleteTextures();
}
void WebGLLayerWebKitThread::updateTextureContentsIfNeeded()
{
if (!m_webGLContext || !m_webGLContext->makeContextCurrent())
return;
m_webGLContext->prepareTexture();
updateFrontBuffer(m_webGLContext->getInternalFramebufferSize(), m_webGLContext->platformTexture());
}
void WebGLLayerWebKitThread::deleteTextures()
{
if (m_webGLContext && m_webGLContext->makeContextCurrent())
deleteFrontBuffer();
}
void WebGLLayerWebKitThread::webGLContextDestroyed()
{
deleteTextures();
m_webGLContext = 0;
}
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING) && ENABLE(WEBGL)
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