added 3dengfx into the repo, probably not the correct version for this

[summerhack] / src / 3dengfx / src / common / fps_counter.h

diff --git a/src/3dengfx/src/common/fps_counter.h b/src/3dengfx/src/common/fps_counter.h
new file mode 100644 (file)
index 0000000..f9ef08c
--- /dev/null
+++ b/src/3dengfx/src/common/fps_counter.h
@@ -0,0 +1,25 @@
+#ifndef _FPS_COUNTER_H_
+#define _FPS_COUNTER_H_
+
+typedef struct fps_counter {
+       unsigned long sample_interval;
+       unsigned long sample_start_time;
+       unsigned long frame_count;
+       float fps;
+} fps_counter;
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+void fps_start(fps_counter *fpsc, unsigned long time, unsigned long sample_interval);
+int fps_frame_proc(fps_counter *fpsc, unsigned long time);
+const char *fps_get_frame_rate_str(fps_counter *fpsc);
+
+#define fps_get_frame_rate(fpsc) (fpsc)->fps
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* _FPS_COUNTER_H_ */