pedigree_fb.h

/*
 * Copyright (c) 2008-2014, Pedigree Developers
 *
 * Please see the CONTRIB file in the root of the source tree for a full
 * list of contributors.
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#ifndef _WINMAN_UTIL_H
#define _WINMAN_UTIL_H

#ifndef TARGET_LINUX
#include <sys/fb.h>
#else
#include <SDL/SDL.h>
#endif

#include <cairo/cairo.h>

class Framebuffer
{
  public:
    Framebuffer();
    virtual ~Framebuffer();

    bool initialise();

    void storeMode();

    void restoreMode();

    int enterMode(size_t desiredW, size_t desiredH, size_t desiredBpp);

    void *getFramebuffer() const
    {
        return m_pFramebuffer;
    }

    void flush(size_t x, size_t y, size_t w, size_t h);

    cairo_format_t getFormat() const
    {
        return m_Format;
    }

    size_t getWidth() const
    {
        return m_Width;
    }
    size_t getHeight() const
    {
        return m_Height;
    }

  private:
    void *m_pFramebuffer;
    size_t m_FramebufferSize;

    cairo_format_t m_Format;

    size_t m_Width;
    size_t m_Height;

#ifdef TARGET_LINUX
    SDL_Surface *m_pScreen;
    SDL_Surface *m_pBackbuffer;
#else
    int m_Fb;

    bool m_bStoredMode;
    pedigree_fb_mode m_StoredMode;
#endif
};

#endif