/*
**  ClanLib SDK
**  Copyright (c) 1997-2020 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Harry Storbacka
**    Kenneth Gangstoe
*/

#pragma once

#include "shader_object_provider.h"
#include "../Render/shader_object.h"

namespace clan
{
	/// \addtogroup clanDisplay_Display clanDisplay Display
	/// \{

	/// \brief Shader Object provider.
	class ShaderObjectProvider
	{
	public:
		virtual ~ShaderObjectProvider() { }

		/// \brief Creates a shader object.
		virtual void create(ShaderType type, const std::string &source) = 0;

		/// \brief Creates a shader object.
		virtual void create(ShaderType type, const void *source, int source_size) = 0;

		/// \brief Create
		///
		/// \param type = Shader Type
		/// \param vector = std
		virtual void create(ShaderType type, const std::vector<std::string> &sources) = 0;

		/// \brief Returns the OpenGL shader handle.
		virtual unsigned int get_handle() const = 0;

		/// \brief Returns true if compile succeeded.
		virtual bool get_compile_status() const = 0;

		/// \brief Gets the shader type.
		virtual ShaderType get_shader_type() const = 0;

		/// \brief Get shader object's info log.
		virtual std::string get_info_log() const = 0;

		/// \brief Get shader source code.
		virtual std::string get_shader_source() const = 0;

		/// \brief Compile program.
		virtual void compile() = 0;
	};

	/// \}
}
