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engine/shared/library/sharedDebug/src/win32/VTune.cpp

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+// ======================================================================
+//
+// VTune.cpp
+// Copyright 2000-01, Sony Online Entertainment Inc.
+// All Rights Reserved.
+//
+// ======================================================================
+
+#include "sharedDebug/FirstSharedDebug.h"
+#include "sharedDebug/VTune.h"
+
+#if PRODUCTION == 0
+
+#include "sharedDebug/DebugFlags.h"
+
+#include <vtune/vtuneapi.h>
+
+// ======================================================================
+
+HMODULE               VTune::ms_module;
+VTune::PauseFunction  VTune::ms_pauseFunction;
+VTune::ResumeFunction VTune::ms_resumeFunction;
+VTune::State          VTune::ms_state;
+bool                  VTune::ms_resumeNextFrame;
+bool                  VTune::ms_pauseNextFrame;
+bool                  VTune::ms_debugReport;
+
+// ======================================================================
+
+void VTune::install()
+{
+	DEBUG_FATAL(ms_module, ("vtune already installed"));
+
+	ms_module = LoadLibrary("VTuneAPI");
+	if (!ms_module)
+		return;
+
+	ms_pauseFunction = reinterpret_cast<PauseFunction>(GetProcAddress(ms_module, "VTPause"));
+	ms_resumeFunction = reinterpret_cast<PauseFunction>(GetProcAddress(ms_module, "VTResume"));
+	ms_state = S_default;
+
+#if PRODUCTION == 0
+	DebugFlags::registerFlag(ms_debugReport, "SharedDebug", "vtuneState", debugReport);
+#endif
+}
+
+// ----------------------------------------------------------------------
+
+void VTune::remove()
+{
+	if (ms_module)
+	{
+		FreeLibrary(ms_module);
+		ms_pauseFunction = 0;
+		ms_resumeFunction = 0;
+	}
+}
+
+// ----------------------------------------------------------------------
+
+void VTune::debugReport()
+{
+	switch (ms_state)
+	{
+		case S_default:
+			REPORT_PRINT(true, ("Vtune state unknown\n"));
+			break;
+
+		case S_sampling:
+			REPORT_PRINT(true, ("Vtune is sampling\n"));
+			break;
+
+		case S_paused:
+			REPORT_PRINT(true, ("Vtune is NOT sampling\n"));
+			break;
+
+		default:
+			DEBUG_FATAL(true, ("bad case"));
+
+	}
+}
+
+// ----------------------------------------------------------------------
+
+void VTune::resume()
+{
+	if (ms_module && ms_resumeFunction)
+	{
+		MessageBeep(MB_OK);
+		(*ms_resumeFunction)();
+		ms_state = S_sampling;
+	}
+}
+
+// ----------------------------------------------------------------------
+
+void VTune::pause()
+{
+	if (ms_module && ms_pauseFunction)
+	{
+		(*ms_pauseFunction)();
+		MessageBeep(MB_ICONEXCLAMATION);
+		ms_state = S_paused;
+	}
+}
+
+// ----------------------------------------------------------------------
+
+void VTune::pauseNextFrame()
+{
+	ms_pauseNextFrame = true;
+	ms_resumeNextFrame = false;
+}
+
+// ----------------------------------------------------------------------
+
+void VTune::resumeNextFrame()
+{
+	ms_pauseNextFrame = false;
+	ms_resumeNextFrame = true;
+}
+
+// ----------------------------------------------------------------------
+
+void VTune::beginFrame()
+{
+	if (ms_pauseNextFrame)
+	{
+		pause();
+		ms_pauseNextFrame = false;
+	}
+
+	if (ms_resumeNextFrame)
+	{
+		resume();
+		ms_resumeNextFrame = false;
+	}
+}
+
+// ======================================================================
+
+#endif // PRODUCTION == 0