benchmark-toolbox: add benchmark-toolbox

a unified benchmarking tool

Source/Benchmark-Toolbox/source/furmark/run_furmark.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void run_furmark_start(int which);
+void run_furmark_stop(void);
+int run_furmark_running(void);
+
+#ifdef __cplusplus
+}
+#endif