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82 lines
2.3 KiB
C++
82 lines
2.3 KiB
C++
/************************************************************************************
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Filename : OVR_System.cpp
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Content : General kernel initialization/cleanup, including that
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of the memory allocator.
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Created : September 19, 2012
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Notes :
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Copyright : Copyright 2014 Oculus VR, Inc. All Rights reserved.
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Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License");
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you may not use the Oculus VR Rift SDK except in compliance with the License,
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which is provided at the time of installation or download, or which
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otherwise accompanies this software in either electronic or hard copy form.
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You may obtain a copy of the License at
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http://www.oculusvr.com/licenses/LICENSE-3.1
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Unless required by applicable law or agreed to in writing, the Oculus VR SDK
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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************************************************************************************/
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#include "OVR_System.h"
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#include "OVR_Threads.h"
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#include "OVR_Timer.h"
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namespace OVR {
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// ***** OVR::System Implementation
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// Initializes System core, installing allocator.
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void System::Init(Log* log, Allocator *palloc)
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{
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if (!Allocator::GetInstance())
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{
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Log::SetGlobalLog(log);
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Timer::initializeTimerSystem();
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Allocator::setInstance(palloc);
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}
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else
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{
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OVR_DEBUG_LOG(("System::Init failed - duplicate call."));
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}
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}
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void System::Destroy()
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{
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if (Allocator::GetInstance())
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{
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// Wait for all threads to finish; this must be done so that memory
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// allocator and all destructors finalize correctly.
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#ifdef OVR_ENABLE_THREADS
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Thread::FinishAllThreads();
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#endif
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// Shutdown heap and destroy SysAlloc singleton, if any.
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Allocator::GetInstance()->onSystemShutdown();
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Allocator::setInstance(0);
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Timer::shutdownTimerSystem();
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Log::SetGlobalLog(Log::GetDefaultLog());
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}
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else
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{
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OVR_DEBUG_LOG(("System::Destroy failed - System not initialized."));
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}
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}
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// Returns 'true' if system was properly initialized.
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bool System::IsInitialized()
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{
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return Allocator::GetInstance() != 0;
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}
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} // OVR
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