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authorSven Gothel <[email protected]>2015-03-28 01:43:35 +0100
committerSven Gothel <[email protected]>2015-03-28 01:43:35 +0100
commit4207f9c279e832e3afcb3f5fc6cd8d84cb4cfe4c (patch)
treecf3671058d55b47ab6cb6f36f369928606137628 /LibOVRKernel/Src/Kernel/OVR_System.cpp
parentc29cd1a2fbff6282bab956ad61661ac9d48c4e6e (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.cpp148
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
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+++ b/LibOVRKernel/Src/Kernel/OVR_System.cpp
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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, 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