diff options
Diffstat (limited to 'src/glut/dos/state.c')
| -rw-r--r-- | src/glut/dos/state.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/glut/dos/state.c b/src/glut/dos/state.c index 9e5624deb4..94ef0cac79 100644 --- a/src/glut/dos/state.c +++ b/src/glut/dos/state.c @@ -19,7 +19,7 @@ */
/*
- * DOS/DJGPP glut driver v0.1 for Mesa 4.0
+ * DOS/DJGPP glut driver v0.2 for Mesa 4.0
*
* Copyright (C) 2002 - Borca Daniel
* Email : dborca@yahoo.com
@@ -28,6 +28,21 @@ #include "GL/glut.h"
+#include "internal.h"
+
+
+#define FREQUENCY 100
+
+
+static int timer_installed;
+static volatile int ticks;
+
+static void ticks_timer (void *p)
+{
+ (void)p;
+ ticks++;
+} ENDOFUNC(ticks_timer)
+
int APIENTRY glutGet (GLenum type)
@@ -35,6 +50,14 @@ int APIENTRY glutGet (GLenum type) switch (type) {
case GLUT_WINDOW_RGBA:
return 1;
+ case GLUT_ELAPSED_TIME:
+ if (!timer_installed) {
+ timer_installed = !timer_installed;
+ LOCKDATA(ticks);
+ LOCKFUNC(ticks_timer);
+ pc_install_int(ticks_timer, NULL, FREQUENCY);
+ }
+ return ticks*1000/FREQUENCY;
default:
return 0;
}
|