Android SDL GLES Test : startup func

int startup(struct container *screen, int *windowed, const GLubyte *vendor, const GLubyte *renderer, const GLubyte *version, const GLubyte *extensions)
{
    int d=0;
    int bpp=32;

// SDL INIT
    if ( (SDL_Init( SDL_INIT_VIDEO | SDL_INIT_AUDIO ) == -1 ) )
    {
        printf("Could not initialize SDL: %s.\n", SDL_GetError());
        exit(-1);
    }

    //SDL_WM_SetCaption("Silverspeed","Silverspeed");
    SDL_GL_SetAttribute(SDL_GL_RED_SIZE,5);
    SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE,6);
    SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE,5);
    SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE,8);
    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
    SDL_GL_SetSwapInterval(0);
    SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 24);
    SDL_GL_SetAttribute(SDL_GL_BUFFER_SIZE,     32);
    SDL_GL_SetAttribute(SDL_GL_ACCUM_RED_SIZE,  8);
    SDL_GL_SetAttribute(SDL_GL_ACCUM_GREEN_SIZE,    8);
    SDL_GL_SetAttribute(SDL_GL_ACCUM_BLUE_SIZE, 8);
    SDL_GL_SetAttribute(SDL_GL_ACCUM_ALPHA_SIZE,    8);

    if ( *(windowed) == 1 )
    {
        //screen->image = SDL_SetVideoMode(screen->area.w, screen->area.h, bpp, SDL_OPENGL|SDL_SWSURFACE|SDL_GL_DOUBLEBUFFER);
        screen->image = SDL_CreateWindow("Silverspeed", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 0, 0, SDL_WINDOW_SHOWN|SDL_WINDOW_OPENGL);
    }else{
        screen->image = SDL_CreateWindow("Silverspeed", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 0, 0, SDL_WINDOW_SHOWN|SDL_WINDOW_OPENGL|SDL_WINDOW_FULLSCREEN);
    }

    SDL_GLContext glcontext = SDL_GL_CreateContext(screen->image);
// SDL INIT


    vendor=glGetString(GL_VENDOR);
    renderer=glGetString(GL_RENDERER);
    version=glGetString(GL_VERSION);
    extensions=glGetString(GL_EXTENSIONS);
    printf("VENDOR: %s\nRENDERER: %s\nVERSION: %s\n\n",vendor,renderer,version);

    /*printf("Availible Extensions:\n");
    for(d=0;d<strlen((const char*)(extensions));d++)
    {
        if ( *(extensions+d) == 32 )
            printf("\n");
        else
            printf("%c",*(extensions+d));

    }printf("\n");
*/
    /*
    if ( ! checkExt("GL_ARB_texture_non_power_of_two") )
    {
        printf("Required Graphics Card Extension Not Found\n");
        printf("GL_ARB_texture_non_power_of_two\n");
        exit(-1);
    }*/

    glViewport(0,0,screen->area.w,(int)screen->area.h);

    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();

    //gluOrtho2D(0,screen->area.w,screen->area.h,0);
    glOrthox(0, screen->area.w, screen->area.h, 0,  -1, 1);

    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glLoadIdentity();

    //glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);

    return(0);
}