Не Робит

#include "SDL/SDL.h"                        // Headers
#include "SDL/SDL_opengl.h"
#include <iostream>

int main(int argc, char* args[])            // Init
{
    SDL_Init(SDL_INIT_EVERYTHING);          // Init SDL

        SDL_GL_SetAttribute( SDL_GL_RED_SIZE, 8);   // OpenGL Memory Usage
        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_BUFFER_SIZE, 32);
        SDL_GL_SetAttribute( SDL_GL_DEPTH_SIZE, 16);
        SDL_GL_SetAttribute( SDL_GL_DOUBLEBUFFER, 1);

        SDL_WM_SetCaption( "WutFuckbuttWitty", NULL );  // Caption of the Window
        SDL_SetVideoMode(320,240,32, SDL_OPENGL);   // Size of the Window


        glClearColor(0,0,0,1);              //RGBA Clear color.
        glViewport(0,0,320,240);            //Viewport portion

        glShadeModel(GL_SMOOTH);            //Shader Model - Smooth

        glMatrixMode(GL_PROJECTION);        // 2D Rendering
        glLoadIdentity();                   // Save it

        glDisable(GL_DEPTH_TEST);           // Disable Depth Checking



    bool isRunning = true;                  // Loop state

    SDL_Event event;                        // Event handler

    while (isRunning)                       // Main Game Loop
    {
    //Events
        while (SDL_PollEvent(&event))
        {               // Logic for certain event
            if (event.type == SDL_QUIT)
            {
                isRunning = false;
            }

            if(event.type == SDL_KEYUP && event.key.keysym.sym == SDLK_ESCAPE)
            {
                isRunning = false;
            }
            if(event.type == SDL_KEYUP && event.key.keysym.sym == SDLK_SPACE)
            {
                glClearColor(1,1,1,1);
            }
        }

    //Logic

    //Rendering
        glClear(GL_COLOR_BUFFER_BIT);       // Clear screen
        glPushMatrix();                     // Start Rendering
        glOrtho(0, 320, 240, 0, -1, -1);    // Set the Matrix
        glColor4ub(255, 0, 255, 255);

        glBegin(GL_QUADS);
            glVertex2f(5,5);
            glVertex2f(315, 5);
            glVertex2f(315, 235);
            glVertex2f(5, 235);
        glEnd();
        glPopMatrix();                      // Stop Rendering
        SDL_GL_SwapBuffers();               // Push Output(frame) to the screen

    }
    SDL_Quit();
    return 0;
}