From d9a584844a60542519d813b5dc1a62428f14a0ae Mon Sep 17 00:00:00 2001
From: Sven Gothel <sgothel@jausoft.com>
Date: Thu, 19 Jun 2014 17:03:28 +0200
Subject: Add OculusSDK 0.3.2 Linux Source Code w/o Samples, docs or binaries
(libs or tools)
---
LibOVR/Src/Kernel/OVR_Timer.h | 88 +++++++++++++++++++++++++++++++++++++++++++
1 file changed, 88 insertions(+)
create mode 100644 LibOVR/Src/Kernel/OVR_Timer.h
(limited to 'LibOVR/Src/Kernel/OVR_Timer.h')
diff --git a/LibOVR/Src/Kernel/OVR_Timer.h b/LibOVR/Src/Kernel/OVR_Timer.h
new file mode 100644
index 0000000..12cba3b
--- /dev/null
+++ b/LibOVR/Src/Kernel/OVR_Timer.h
@@ -0,0 +1,88 @@
+/************************************************************************************
+
+PublicHeader: OVR
+Filename : OVR_Timer.h
+Content : Provides static functions for precise timing
+Created : September 19, 2012
+Notes :
+
+Copyright : Copyright 2014 Oculus VR, Inc. All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License");
+you may not use the Oculus VR Rift SDK except in compliance with the License,
+which is provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+You may obtain a copy of the License at
+
+http://www.oculusvr.com/licenses/LICENSE-3.1
+
+Unless required by applicable law or agreed to in writing, the Oculus VR SDK
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+
+************************************************************************************/
+
+#ifndef OVR_Timer_h
+#define OVR_Timer_h
+
+#include "OVR_Types.h"
+
+namespace OVR {
+
+//-----------------------------------------------------------------------------------
+// ***** Timer
+
+// Timer class defines a family of static functions used for application
+// timing and profiling.
+
+class Timer
+{
+public:
+ enum {
+ MsPerSecond = 1000, // Milliseconds in one second.
+ NanosPerSecond = MsPerSecond * 1000 * 1000,
+ MksPerSecond = MsPerSecond * 1000
+ };
+
+ // ***** Timing APIs for Application
+
+ // These APIs should be used to guide animation and other program functions
+ // that require precision.
+
+ // Returns global high-resolution application timer in seconds.
+ static double OVR_STDCALL GetSeconds();
+
+ // Returns time in Nanoseconds, using highest possible system resolution.
+ static UInt64 OVR_STDCALL GetTicksNanos();
+
+ // Kept for compatibility.
+ // Returns ticks in milliseconds, as a 32-bit number. May wrap around every 49.2 days.
+ // Use either time difference of two values of GetTicks to avoid wrap-around.
+ static UInt32 OVR_STDCALL GetTicksMs()
+ { return UInt32(GetTicksNanos() / 1000000); }
+
+ // for recorded data playback
+ static void SetFakeSeconds(double fakeSeconds)
+ {
+ FakeSeconds = fakeSeconds;
+ useFakeSeconds = true;
+ }
+
+private:
+ friend class System;
+ // System called during program startup/shutdown.
+ static void initializeTimerSystem();
+ static void shutdownTimerSystem();
+
+ // for recorded data playback
+ static double FakeSeconds;
+ static bool useFakeSeconds;
+};
+
+
+} // OVR::Timer
+
+#endif
--
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