added -info command line option
diff --git a/progs/demos/gears.c b/progs/demos/gears.c
index 8d99a8d..91f5eff 100644
--- a/progs/demos/gears.c
+++ b/progs/demos/gears.c
@@ -1,8 +1,12 @@
-/* $Id: gears.c,v 1.1 1999/08/19 00:55:40 jtg Exp $ */
+/* $Id: gears.c,v 1.2 1999/10/21 16:39:06 brianp Exp $ */
/*
* 3-D gear wheels. This program is in the public domain.
*
+ * Command line options:
+ * -info print GL implementation information
+ *
+ *
* Brian Paul
*/
@@ -10,8 +14,11 @@
/*
* $Log: gears.c,v $
- * Revision 1.1 1999/08/19 00:55:40 jtg
- * Initial revision
+ * Revision 1.2 1999/10/21 16:39:06 brianp
+ * added -info command line option
+ *
+ * Revision 1.1.1.1 1999/08/19 00:55:40 jtg
+ * Imported sources
*
* Revision 3.2 1999/06/03 17:07:36 brianp
* an extra quad was being drawn in front and back faces
@@ -28,6 +35,7 @@
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
+#include <string.h>
#include <GL/glut.h>
#ifndef M_PI
@@ -287,7 +295,7 @@
}
static void
-init(void)
+init(int argc, char *argv[])
{
static GLfloat pos[4] =
{5.0, 5.0, 10.0, 0.0};
@@ -324,6 +332,13 @@
glEndList();
glEnable(GL_NORMALIZE);
+
+ if (argc > 1 && strcmp(argv[1], "-info")==0) {
+ printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER));
+ printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
+ printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
+ printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS));
+ }
}
void
@@ -343,7 +358,7 @@
glutInitWindowPosition(0, 0);
glutInitWindowSize(300, 300);
glutCreateWindow("Gears");
- init();
+ init(argc, argv);
glutDisplayFunc(draw);
glutReshapeFunc(reshape);