GLuint loadTextureNearest() and GLuint loadTexture(const cha

int debug = 0, myGl = GL_LINEAR;

SDL_Surface *flipSurface(SDL_Surface *surface);

GLuint loadTextureNearest(const char *filename)
{
    myGl = GL_NEAREST;
    return loadTexture(filename, false);
}

GLuint loadTexture(const char *filename, bool useMipMap)
{
    GLuint glID;
    SDL_Surface *picture_surface, *gl_surface, *gl_fliped_surface;
    Uint32 rmask, gmask, bmask, amask;
    picture_surface = IMG_Load(filename);
    log(filename);
    if(picture_surface == NULL)
        return 0;
    log(filename);
    #if SDL_BYTEORDER == SDL_BIG_ENDIAN
        rmask = 0xff000000;
        gmask = 0x00ff0000;
        bmask = 0x0000ff00;
        amask = 0x000000ff;
    #else
        rmask = 0x000000ff;
        gmask = 0x0000ff00;
        bmask = 0x00ff0000;
        amask = 0xff000000;
    #endif
    SDL_PixelFormat format = *(picture_surface->format);
    format.BitsPerPixel = 32;
    format.BytesPerPixel = 4;
    format.Rmask = rmask;
    format.Gmask = gmask;
    format.Bmask = bmask;
    format.Amask = amask;
    gl_surface = SDL_ConvertSurface(picture_surface, &format, SDL_SWSURFACE);
    gl_fliped_surface = flipSurface(gl_surface);

    /*glBindTexture(GL_TEXTURE_2D, 0); // free the old bind texture if deleted
    glGenTextures(1,&myTexture);//myTexture == 24 (as the glDelete was ok)
    glBindTexture(GL_TEXTURE_2D,myTexture);
    bIsTexture = glIsTexture(myTexture);*/

    glGenTextures(1, &glID);
    glBindTexture(GL_TEXTURE_2D, glID);
    if(useMipMap)
    {
        gluBuild2DMipmaps(GL_TEXTURE_2D, 4, gl_fliped_surface->w, gl_fliped_surface->h, GL_RGBA, GL_UNSIGNED_BYTE, gl_fliped_surface->pixels);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
    }
    else
    {
        glTexImage2D(GL_TEXTURE_2D, 0, 4, gl_fliped_surface->w, gl_fliped_surface->h, 0, GL_RGBA, GL_UNSIGNED_BYTE, gl_fliped_surface->pixels);
        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, myGl);
    }
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, myGl);
    SDL_FreeSurface(gl_fliped_surface);
    SDL_FreeSurface(gl_surface);
    SDL_FreeSurface(picture_surface);
    return glID;
}