Function initGL

cpp/5_Domain_Specific/nbody/nbody.cpp:534–566

}

void initGL(int *argc, char **argv)
{
    // First initialize OpenGL context, so we can properly set the GL for CUDA.
    // This is necessary in order to achieve optimal performance with OpenGL/CUDA
    // interop.
    glutInit(argc, argv);
    glutInitDisplayMode(GLUT_RGB | GLUT_DEPTH | GLUT_DOUBLE);
    glutInitWindowSize(720, 480);
    glutCreateWindow("CUDA n-body system");

    if (bFullscreen) {
        glutFullScreen();
    }

    else if (!isGLVersionSupported(2, 0)
             || !areGLExtensionsSupported("GL_ARB_multitexture "
                                          "GL_ARB_vertex_buffer_object")) {
        fprintf(stderr, "Required OpenGL extensions missing.");
        exit(EXIT_FAILURE);
    }
    else {
#if defined(WIN32)
        wglSwapIntervalEXT(0);
#elif defined(LINUX)
        glxSwapIntervalSGI(0);
#endif
    }

    glEnable(GL_DEPTH_TEST);
    glClearColor(0.0, 0.0, 0.0, 1.0);

    checkGLErrors("initGL");
}

void initParameters()
{