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/*
* Copyright © 2013 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3,
* as published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Daniel van Vugt <daniel.van.vugt@canonical.com>
*/
#ifndef MIR_COMPOSITOR_OCCLUSION_H_
#define MIR_COMPOSITOR_OCCLUSION_H_
#include "mir/compositor/scene.h"
#include <vector>
#include <set>
namespace mir
{
namespace compositor
{
class CompositingCriteria;
class OcclusionFilter : public FilterForScene
{
public:
OcclusionFilter(const geometry::Rectangle &area);
bool operator()(const CompositingCriteria &criteria) override;
private:
const geometry::Rectangle &area;
typedef std::vector<geometry::Rectangle> RectangleList;
RectangleList coverage;
};
class OcclusionMatch : public OperatorForScene
{
public:
void operator()(const CompositingCriteria &,
BufferStream &stream) override;
bool occluded(const CompositingCriteria &criteria) const;
private:
typedef std::set<const CompositingCriteria*> RenderableSet;
RenderableSet hidden;
};
} // namespace compositor
} // namespace mir
#endif // MIR_COMPOSITOR_OCCLUSION_H_
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