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/*
* Copyright 2011, 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 "LayerTexture.h"
#include "LayerAndroid.h"
namespace WebCore {
unsigned int LayerTexture::pictureUsed()
{
consumerLock();
TextureTileInfo* info = m_texturesInfo.get(getReadableTexture());
unsigned int pictureUsed = 0;
if (info)
pictureUsed = info->m_picture;
consumerRelease();
return pictureUsed;
}
void LayerTexture::setTextureInfoFor(LayerAndroid* layer)
{
TextureTileInfo* textureInfo = m_texturesInfo.get(getWriteableTexture());
if (!textureInfo) {
textureInfo = new TextureTileInfo();
}
textureInfo->m_layerId = layer->uniqueId();
textureInfo->m_picture = layer->pictureUsed();
textureInfo->m_scale = layer->getScale();
m_texturesInfo.set(getWriteableTexture(), textureInfo);
m_layerId = layer->uniqueId();
m_scale = layer->getScale();
if (!m_ready)
m_ready = true;
}
bool LayerTexture::readyFor(LayerAndroid* layer)
{
TextureTileInfo* info = m_texturesInfo.get(getReadableTexture());
if (info &&
info->m_layerId == layer->uniqueId() &&
info->m_scale == layer->getScale() &&
info->m_picture == layer->pictureUsed())
return true;
return false;
}
} // namespace WebCore
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