diff options
author | Sven Gothel <[email protected]> | 2015-03-28 01:43:35 +0100 |
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committer | Sven Gothel <[email protected]> | 2015-03-28 01:43:35 +0100 |
commit | 4207f9c279e832e3afcb3f5fc6cd8d84cb4cfe4c (patch) | |
tree | cf3671058d55b47ab6cb6f36f369928606137628 /LibOVRKernel/Src/Kernel/OVR_System.cpp | |
parent | c29cd1a2fbff6282bab956ad61661ac9d48c4e6e (diff) |
Bump OculusVR RIFT SDK to 0.5.0.1vanilla_0.5.0.1
Diffstat (limited to 'LibOVRKernel/Src/Kernel/OVR_System.cpp')
-rw-r--r-- | LibOVRKernel/Src/Kernel/OVR_System.cpp | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/LibOVRKernel/Src/Kernel/OVR_System.cpp b/LibOVRKernel/Src/Kernel/OVR_System.cpp new file mode 100644 index 0000000..6ab1294 --- /dev/null +++ b/LibOVRKernel/Src/Kernel/OVR_System.cpp @@ -0,0 +1,148 @@ +/************************************************************************************ + +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, LLC All Rights reserved. + +Licensed under the Oculus VR Rift SDK License Version 3.2 (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-3.2 + +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" +#include "OVR_DebugHelp.h" + +#ifdef OVR_OS_MS + #pragma warning(push, 0) + #include "OVR_Win32_IncludeWindows.h" // GetModuleHandleEx + #pragma warning(pop) +#endif + +namespace OVR { + + +//----------------------------------------------------------------------------- +// Initialization/Shutdown Callbacks + +static SystemSingletonInternal *SystemShutdownListenerList = nullptr; // Points to the most recent SystemSingletonInternal added to the list. + +static Lock& GetSSILock() +{ // Put listLock in a function so that it can be constructed on-demand. + static Lock listLock; // Will construct on the first usage. However, the guarding of this construction is not thread-safe + return listLock; // under all compilers. However, since we are initially calling this on startup before other threads +} // could possibly exist, the first usage of this will be before other threads exist. + +void SystemSingletonInternal::RegisterDestroyCallback() +{ + Lock::Locker locker(&GetSSILock()); + + // Insert the listener at the front of the list (top of the stack). This is an analogue of a C++ forward_list::push_front or stack::push. + NextShutdownSingleton = SystemShutdownListenerList; + SystemShutdownListenerList = this; +} + + +//----------------------------------------------------------------------------- +// System + +// Initializes System core, installing allocator. +void System::Init(Log* log, Allocator *palloc) +{ + if (!Allocator::GetInstance()) + { + if (Allocator::IsTrackingLeaks()) + { + SymbolLookup::Initialize(); + } + + Log::SetGlobalLog(log); + Timer::initializeTimerSystem(); + Allocator::setInstance(palloc); + } + else + { + OVR_DEBUG_LOG(("[System] Init failed - duplicate call.")); + } +} + +void System::Destroy() +{ + if (Allocator::GetInstance()) + { + // Invoke all of the post-finish callbacks (normal case) + for (SystemSingletonInternal *listener = SystemShutdownListenerList; listener; listener = listener->NextShutdownSingleton) + { + listener->OnThreadDestroy(); + } + + #ifdef OVR_ENABLE_THREADS + // Wait for all threads to finish; this must be done so that memory + // allocator and all destructors finalize correctly. + Thread::FinishAllThreads(); + #endif + + // Invoke all of the post-finish callbacks (normal case) + for (SystemSingletonInternal* next, *listener = SystemShutdownListenerList; listener; listener = next) + { + next = listener->NextShutdownSingleton; + + listener->OnSystemDestroy(); + } + + SystemShutdownListenerList = nullptr; + + // Shutdown heap and destroy SysAlloc singleton, if any. + Allocator::GetInstance()->onSystemShutdown(); + Allocator::setInstance(nullptr); + + if (Allocator::IsTrackingLeaks()) + { + SymbolLookup::Shutdown(); + } + + Timer::shutdownTimerSystem(); + Log::SetGlobalLog(Log::GetDefaultLog()); + + if (Allocator::IsTrackingLeaks()) + { + int ovrLeakCount = DumpMemory(); + + OVR_ASSERT(ovrLeakCount == 0); + if (ovrLeakCount == 0) + { + OVR_DEBUG_LOG(("[System] No OVR object leaks detected.")); + } + } + } + else + { + OVR_DEBUG_LOG(("[System] Destroy failed - System not initialized.")); + } +} + +// Returns 'true' if system was properly initialized. +bool System::IsInitialized() +{ + return Allocator::GetInstance() != nullptr; +} + + +} // namespace OVR |