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/*
* Copyright (C) 2011 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"
#if USE(ACCELERATED_COMPOSITING)
#include "LayerRendererSurface.h"
#include "LayerCompositingThread.h"
#include "LayerRenderer.h"
#include "LayerUtilities.h"
#include "TextureCacheCompositingThread.h"
namespace WebCore {
LayerRendererSurface::LayerRendererSurface(LayerRenderer* renderer, LayerCompositingThread* owner)
: m_ownerLayer(owner)
, m_layerRenderer(renderer)
, m_opacity(1.0)
{
}
LayerRendererSurface::~LayerRendererSurface()
{
}
void LayerRendererSurface::setContentRect(const IntRect& contentRect)
{
m_contentRect = contentRect;
m_size = contentRect.size();
}
FloatRect LayerRendererSurface::boundingBox() const
{
FloatRect rect = WebCore::boundingBox(transformedBounds());
if (m_ownerLayer->replicaLayer())
rect.unite(m_replicaDrawTransform.mapQuad(FloatRect(-origin(), size())).boundingBox());
return rect;
}
Vector<FloatPoint, 4> LayerRendererSurface::transformedBounds() const
{
return toVector<FloatPoint, 4>(m_drawTransform.mapQuad(FloatRect(-origin(), size())));
}
bool LayerRendererSurface::ensureTexture()
{
if (!m_texture)
m_texture = textureCacheCompositingThread()->createTexture();
return m_texture->protect(m_size, BlackBerry::Platform::Graphics::AlwaysBacked);
}
void LayerRendererSurface::releaseTexture()
{
m_texture->unprotect();
}
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
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