frame_buffer_provider.h

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/*
**  ClanLib SDK
**  Copyright (c) 1997-2009 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):
**
**    Magnus Norddahl
**    Harry Storbacka
*/


#pragma once

#include "../api_display.h"
#include "../Render/frame_buffer.h"
#include <vector>

class CL_RenderBuffer;
class CL_Texture;

class CL_API_DISPLAY CL_FrameBufferProvider
{

public:
        virtual ~CL_FrameBufferProvider() { return; }


public:

        virtual CL_Size get_attachment_size(int buffer_id) const = 0;

        virtual const std::vector<int> &get_attachment_indexes() const = 0;


public:
        virtual void destroy() = 0;

        virtual void attach_color_buffer(int color_buffer, const CL_RenderBuffer &render_buffer) = 0;

        virtual void attach_color_buffer(int color_buffer, const CL_Texture &texture, int level = 0, int zoffset = 0) = 0;

        virtual void attach_color_buffer(int color_buffer, const CL_Texture &texture, CL_TextureSubtype subtype, int level = 0, int zoffset = 0) = 0;

        virtual void detach_color_buffer(int color_buffer, const CL_Texture &texture, int level = 0, int zoffset = 0) = 0;

        virtual void attach_stencil_buffer(const CL_RenderBuffer &render_buffer) = 0;

        virtual void detach_stencil_buffer() = 0;

        virtual void attach_depth_buffer(const CL_RenderBuffer &render_buffer) = 0;

        virtual void attach_depth_buffer(const CL_Texture &texture, CL_TextureSubtype subtype, int level = 0, int zoffset = 0) = 0;

        virtual void detach_depth_buffer() = 0;


private:
};

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