/*
 * Copyright 2018 Blender Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "render/buffers.h"
#include "kernel/kernel_compat_cpu.h"
#include "kernel/split/kernel_split_data.h"
#include "kernel/kernel_globals.h"
#include "util/util_map.h"
#include "util/util_vector.h"

#ifndef __COVERAGE_H__
#define __COVERAGE_H__

CCL_NAMESPACE_BEGIN

class Coverage {
public:
	Coverage(KernelGlobals *kg_, RenderTile &tile_) : kg(kg_), tile(tile_) { }
	void init_path_trace();
	void init_pixel(int x, int y);
	void finalize();
private:
	vector<CoverageMap>coverage_object;
	vector<CoverageMap>coverage_material;
	vector<CoverageMap>coverage_asset;
	KernelGlobals *kg;
	RenderTile &tile;
	void finalize_buffer(vector<CoverageMap>&coverage, const int pass_offset);
	void flatten_buffer(vector<CoverageMap>&coverage, const int pass_offset);
	void sort_buffer(const int pass_offset);
};


CCL_NAMESPACE_END

#endif  /* __COVERAGE_H__ */