Function main

cpp/0_Introduction/simpleCUDA2GL/main.cpp:462–503

/////////////////////////////////////////////////////////////////////////// Program main ///////////////////////////////////////////////////////////////////////////

// Program main
////////////////////////////////////////////////////////////////////////////////
int main(int argc, char **argv)
{
#if defined(__linux__)
    char *Xstatus = getenv("DISPLAY");
    if (Xstatus == NULL) {
        printf("Waiving execution as X server is not running\n");
        exit(EXIT_WAIVED);
    }
    setenv("DISPLAY", ":0", 0);
#endif

    printf("%s Starting...\n\n", argv[0]);

    if (checkCmdLineFlag(argc, (const char **)argv, "file")) {
        getCmdLineArgumentString(argc, (const char **)argv, "file", &ref_file);
    }

    pArgc = &argc;
    pArgv = argv;

    // use command-line specified CUDA device, otherwise use device with highest
    // Gflops/s
    if (checkCmdLineFlag(argc, (const char **)argv, "device")) {
        printf("[%s]\n", argv[0]);
        printf("   Does not explicitly support -device=n\n");
        printf("   This sample requires OpenGL.  Only -file=<reference> are "
               "supported\n");
        printf("exiting...\n");
        exit(EXIT_WAIVED);
    }

    if (ref_file) {
        printf("(Test with OpenGL verification)\n");
        runStdProgram(argc, argv);
    }
    else {
        printf("(Interactive OpenGL Demo)\n");
        runStdProgram(argc, argv);
    }

    exit(EXIT_SUCCESS);
}

////////////////////////////////////////////////////////////////////////////////
//!