/*
 * Modern effects for a modern Streamer
 * Copyright (C) 2017 Michael Fabian Dirks
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
 */

#pragma once
#include "gs-effect.h"
#include "gs-rendertarget.h"
#include "gs-texture.h"
#include "gs-vertexbuffer.h"

extern "C" {
#pragma warning(push)
#pragma warning(disable : 4201)
#include <graphics/graphics.h>
#pragma warning(pop)
}

namespace gs {
	class mipmapper {
		std::unique_ptr<gs::vertex_buffer> vertexBuffer;
		std::unique_ptr<gs::rendertarget>  renderTarget;
		std::unique_ptr<gs::effect>        effect;

		public:
		enum class generator : uint8_t {
			Point,
			Linear,
			Bilinear,
			Sharpen,
			Smoothen,
			Bicubic,
			Lanczos,
		};

		public:
		~mipmapper();
		mipmapper();

		void rebuild(std::shared_ptr<gs::texture> texture, gs::mipmapper::generator generator, float_t strength);
	};
} // namespace gs