#include <SDL.h>
#include <sdl_opengl.h>
#include <iostream>

using namespace std;

const float ScreenHeight = 800;
const float ScreenWidth = 600;
bool isFullscreen;

bool Init()
{
    const SDL_VideoInfo *VideoInfo = NULL;
    int flags = 0;
    if (SDL_Init(SDL_INIT_VIDEO) < 0)
    {
        fprintf(stderr, "SDL initialization failed %s\n", SDL_GetError());
        return false;
    }
    atexit(SDL_Quit);
    VideoInfo = SDL_GetVideoInfo();
    if (VideoInfo == NULL)
    {
        fprintf(stderr, "Attempt to get video info failed %s\n", SDL_GetError());
        return false;
    }
    flags = SDL_OPENGL;
    if (isFullscreen)
        flags |= SDL_FULLSCREEN;
    SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
    SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
    SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
    SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
    SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);

    SDL_SetVideoMode(ScreenWidth, ScreenHeight,
        VideoInfo->vfmt->BitsPerPixel, flags);

    glViewport(0, 0, ScreenWidth, ScreenHeight);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    glOrtho(0.0, ScreenWidth-1.0, 0.0, ScreenHeight-1.0, 10.0, -10.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    glClearColor(0.0f, 0.f, 0.0f, 1.0f);
    return true;
}

int main()
{
    Init();

    return 0;
}