#include <SDL/SDL.h>
#include <Windows.h>
#include <gl/GL.h>
#include <gl/GLU.h>
#include <iostream>

#ifdef main
#undef main
#endif

#pragma comment (lib, "sdl.lib")
#pragma comment (lib, "opengl32.lib")
#pragma comment (lib, "glu32.lib")

int main () {

    SDL_Init (SDL_INIT_EVERYTHING);

    SDL_SetVideoMode (800, 600, 32, SDL_OPENGL);

    glViewport (0, 0, 800, 600);
    glClearColor (1.f, 1.f, 1.f, 1.f);

    glMatrixMode (GL_PROJECTION);
    glLoadIdentity ();
    //glOrtho (0.f, 800.f, 600.f, 0.f, 0.f, 1.f);
    gluPerspective (45.f, 800.f/600.f, 0.1f, 1000.f);

    glMatrixMode (GL_MODELVIEW);
    glLoadIdentity ();

    glDisable (GL_DEPTH_TEST);

    bool quit = false;
    while (!quit) {

        SDL_Event ev;
        SDL_PumpEvents ();
        while (SDL_PollEvent (&ev)) {
            if (ev.type == SDL_QUIT)
                quit = true;
        }

        Sleep (16);
        glClear (GL_COLOR_BUFFER_BIT);

        glRotatef (0.5f, 0.f, 0.f, 1.f);

        glBegin (GL_QUADS);
            glColor3f (1.f, 0.f, 0.f);
            glVertex3f (-1.f,  1.f, -10.f);
            glVertex3f ( 1.f,  1.f, -10.f);
            glVertex3f ( 1.f, -1.f, -10.f);
            glVertex3f (-1.f, -1.f, -10.f);
        glEnd ();

        SDL_GL_SwapBuffers ();
    }

    return 0;
}