oculus1
annotate libovr/Src/Kernel/OVR_System.cpp @ 1:e2f9e4603129
added LibOVR and started a simple vr wrapper.
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sat, 14 Sep 2013 16:14:59 +0300 |
| parents | |
| children | b069a5c27388 |
| rev | line source |
|---|---|
| nuclear@1 | 1 /************************************************************************************ |
| nuclear@1 | 2 |
| nuclear@1 | 3 Filename : OVR_System.cpp |
| nuclear@1 | 4 Content : General kernel initialization/cleanup, including that |
| nuclear@1 | 5 of the memory allocator. |
| nuclear@1 | 6 Created : September 19, 2012 |
| nuclear@1 | 7 Notes : |
| nuclear@1 | 8 |
| nuclear@1 | 9 Copyright : Copyright 2012 Oculus VR, Inc. All Rights reserved. |
| nuclear@1 | 10 |
| nuclear@1 | 11 Use of this software is subject to the terms of the Oculus license |
| nuclear@1 | 12 agreement provided at the time of installation or download, or which |
| nuclear@1 | 13 otherwise accompanies this software in either electronic or hard copy form. |
| nuclear@1 | 14 |
| nuclear@1 | 15 ************************************************************************************/ |
| nuclear@1 | 16 |
| nuclear@1 | 17 #include "OVR_System.h" |
| nuclear@1 | 18 #include "OVR_Threads.h" |
| nuclear@1 | 19 #include "OVR_Timer.h" |
| nuclear@1 | 20 |
| nuclear@1 | 21 namespace OVR { |
| nuclear@1 | 22 |
| nuclear@1 | 23 // ***** OVR::System Implementation |
| nuclear@1 | 24 |
| nuclear@1 | 25 // Initializes System core, installing allocator. |
| nuclear@1 | 26 void System::Init(Log* log, Allocator *palloc) |
| nuclear@1 | 27 { |
| nuclear@1 | 28 if (!Allocator::GetInstance()) |
| nuclear@1 | 29 { |
| nuclear@1 | 30 Log::SetGlobalLog(log); |
| nuclear@1 | 31 Timer::initializeTimerSystem(); |
| nuclear@1 | 32 Allocator::setInstance(palloc); |
| nuclear@1 | 33 } |
| nuclear@1 | 34 else |
| nuclear@1 | 35 { |
| nuclear@1 | 36 OVR_DEBUG_LOG(("System::Init failed - duplicate call.")); |
| nuclear@1 | 37 } |
| nuclear@1 | 38 } |
| nuclear@1 | 39 |
| nuclear@1 | 40 void System::Destroy() |
| nuclear@1 | 41 { |
| nuclear@1 | 42 if (Allocator::GetInstance()) |
| nuclear@1 | 43 { |
| nuclear@1 | 44 // Wait for all threads to finish; this must be done so that memory |
| nuclear@1 | 45 // allocator and all destructors finalize correctly. |
| nuclear@1 | 46 #ifdef OVR_ENABLE_THREADS |
| nuclear@1 | 47 Thread::FinishAllThreads(); |
| nuclear@1 | 48 #endif |
| nuclear@1 | 49 |
| nuclear@1 | 50 // Shutdown heap and destroy SysAlloc singleton, if any. |
| nuclear@1 | 51 Allocator::GetInstance()->onSystemShutdown(); |
| nuclear@1 | 52 Allocator::setInstance(0); |
| nuclear@1 | 53 |
| nuclear@1 | 54 Timer::shutdownTimerSystem(); |
| nuclear@1 | 55 Log::SetGlobalLog(Log::GetDefaultLog()); |
| nuclear@1 | 56 } |
| nuclear@1 | 57 else |
| nuclear@1 | 58 { |
| nuclear@1 | 59 OVR_DEBUG_LOG(("System::Destroy failed - System not initialized.")); |
| nuclear@1 | 60 } |
| nuclear@1 | 61 } |
| nuclear@1 | 62 |
| nuclear@1 | 63 // Returns 'true' if system was properly initialized. |
| nuclear@1 | 64 bool System::IsInitialized() |
| nuclear@1 | 65 { |
| nuclear@1 | 66 return Allocator::GetInstance() != 0; |
| nuclear@1 | 67 } |
| nuclear@1 | 68 |
| nuclear@1 | 69 } // OVR |
| nuclear@1 | 70 |