texture.hpp

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/*
    RenderStack  Support library for OpenGL 3+
    Copyright (C) 2010  Timo Suoranta

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/

#ifndef TEXTURE_HPP
#define TEXTURE_HPP

#include "renderstack/rs.h"
#include <vector>

namespace renderstack {

class renderbuffer
{
public:
    renderbuffer();
    renderbuffer(int gl_renderbuffer_object);
    renderbuffer(int width, int height, int gl_format, int sample_count);

    void set(int gl_renderbuffer_object);
    void set(int width, int height, int gl_format, int sample_count);

    unsigned int gl_renderbuffer_object() const { return m_gl_renderbuffer_object; }

private:
    unsigned int m_gl_renderbuffer_object;
};

class texture
{
public:
    texture();
    texture(
        int width,
        int height,
        int gl_bind_target,
        int gl_teximage_target,
        int gl_minification_filter,
        int gl_magnification_filter,
        int gl_wrap,
        int gl_format
    );

public:
    void set(
        int width,
        int height,
        int gl_bind_target,
        int gl_teximage_target,
        int gl_minification_filter,
        int gl_magnification_filter,
        int gl_wrap,
        int gl_format
    );

    void set_data(std::vector<unsigned char> const &data);
    void set_data(int format, unsigned char* data);
    void update();

public:
    int width                   () const { return m_width; }
    int height                  () const { return m_height; }
    int gl_bind_target          () const { return m_gl_bind_target; }
    int gl_teximage_target      () const { return m_gl_teximage_target; }
    int gl_texture_object       () const { return m_gl_texture_object; }
    int gl_minification_filter  () const { return m_gl_minification_filter; }
    int gl_magnification_filter () const { return m_gl_magnification_filter; }
    int gl_wrap                 () const { return m_gl_wrap; }
    int gl_format               () const { return m_gl_format; }

private:
    int             m_width;
    int             m_height;
    int             m_gl_bind_target;             /*  GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP  */ 
    int             m_gl_teximage_target;         /*  GL_TEXTURE_2D, GL_TEXTURE_CUBE_MAP_POSITIVE_X, ...  */ 
    unsigned int    m_gl_texture_object;          /*  1, ... */ 
    int             m_gl_minification_filter;
    int             m_gl_magnification_filter;
    int             m_gl_wrap;
    int             m_gl_format;
};

}

#endif