static GLboolean doubleBuffer = GL_TRUE;
static int win;
+static void parseArgs(int argc, char** argv)
+{
+ int i;
+
+ for (i = 1; i < argc; ++i) {
+ const char *arg = argv[i];
+ if (strcmp(arg, "-sb") == 0) {
+ doubleBuffer = GL_FALSE;
+ } else if (strcmp(arg, "-db") == 0) {
+ doubleBuffer = GL_TRUE;
+ } else {
+ fprintf(stderr, "error: unknown arg %s\n", arg);
+ exit(1);
+ }
+ }
+}
+
static void Init(void)
{
glClearColor(0.3, 0.1, 0.3, 1.0);
if (doubleBuffer) {
glutSwapBuffers();
}
-
+
glutDestroyWindow(win);
exit(0);
{
GLenum type;
+ parseArgs(argc, argv);
+
glutInit(&argc, argv);
- glutInitWindowPosition(0, 0);
- glutInitWindowSize( 250, 250);
+ glutInitWindowSize(250, 250);
type = GLUT_RGB | GLUT_ALPHA;
type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;