#include <SDL.h>
#include <GL/glew.h>

int main( int arc, char* args[] )
{
    glewInit();
    SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
    SDL_Init(SDL_INIT_VIDEO);

    SDL_WM_SetCaption("Test Program", NULL);

    SDL_Surface *screen = SDL_SetVideoMode(640,480,32,SDL_OPENGL);

    glViewport(0,0,600,300);
    glClearColor( 0, 0, 0, 0 );
    glMatrixMode( GL_PROJECTION );
    glLoadIdentity();
    glMatrixMode(GL_MODELVIEW);
    //glOrtho( 0, 640, 480, 0, -1, 1 );

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glLoadIdentity();
    glColor3f(1,0,0);
    glBegin(GL_POLYGON);
       glVertex2f(0.0, 0.0);
       glVertex2f(0.0, 3.0);
       glVertex2f(4.0, 3.0);
       glVertex2f(6.0, 1.5);
       glVertex2f(4.0, 0.0);
    glEnd();
    SDL_Delay(5000);
}