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authorSven Gothel <[email protected]>2014-06-19 17:03:28 +0200
committerSven Gothel <[email protected]>2014-06-19 17:03:28 +0200
commitd9a584844a60542519d813b5dc1a62428f14a0ae (patch)
tree942c10a5ebcd0aab65e9d6facb59778468f39d3b /LibOVR/Src/Kernel/OVR_System.cpp
Add OculusSDK 0.3.2 Linux Source Code w/o Samples, docs or binaries (libs or tools)
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+/************************************************************************************
+
+Filename : OVR_System.cpp
+Content : General kernel initialization/cleanup, including that
+ of the memory allocator.
+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.
+
+************************************************************************************/
+
+#include "OVR_System.h"
+#include "OVR_Threads.h"
+#include "OVR_Timer.h"
+
+namespace OVR {
+
+// ***** OVR::System Implementation
+
+// Initializes System core, installing allocator.
+void System::Init(Log* log, Allocator *palloc)
+{
+ if (!Allocator::GetInstance())
+ {
+ Log::SetGlobalLog(log);
+ Timer::initializeTimerSystem();
+ Allocator::setInstance(palloc);
+ }
+ else
+ {
+ OVR_DEBUG_LOG(("System::Init failed - duplicate call."));
+ }
+}
+
+void System::Destroy()
+{
+ if (Allocator::GetInstance())
+ {
+ // Wait for all threads to finish; this must be done so that memory
+ // allocator and all destructors finalize correctly.
+#ifdef OVR_ENABLE_THREADS
+ Thread::FinishAllThreads();
+#endif
+
+ // Shutdown heap and destroy SysAlloc singleton, if any.
+ Allocator::GetInstance()->onSystemShutdown();
+ Allocator::setInstance(0);
+
+ Timer::shutdownTimerSystem();
+ Log::SetGlobalLog(Log::GetDefaultLog());
+ }
+ else
+ {
+ OVR_DEBUG_LOG(("System::Destroy failed - System not initialized."));
+ }
+}
+
+// Returns 'true' if system was properly initialized.
+bool System::IsInitialized()
+{
+ return Allocator::GetInstance() != 0;
+}
+
+} // OVR
+