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Diffstat (limited to 'LibOVR/Src/OVR_OSX_DeviceManager.cpp')
| -rw-r--r-- | LibOVR/Src/OVR_OSX_DeviceManager.cpp | 360 |
1 files changed, 0 insertions, 360 deletions
diff --git a/LibOVR/Src/OVR_OSX_DeviceManager.cpp b/LibOVR/Src/OVR_OSX_DeviceManager.cpp deleted file mode 100644 index 078936a..0000000 --- a/LibOVR/Src/OVR_OSX_DeviceManager.cpp +++ /dev/null @@ -1,360 +0,0 @@ -/************************************************************************************ - -Filename : OVR_OSX_DeviceManager.cpp -Content : OSX specific DeviceManager implementation. -Created : March 14, 2013 -Authors : Lee Cooper - -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_OSX_DeviceManager.h" - -// Sensor & HMD Factories -#include "OVR_LatencyTestImpl.h" -#include "OVR_SensorImpl.h" -#include "OVR_OSX_HMDDevice.h" -#include "OVR_OSX_HIDDevice.h" - -#include "Kernel/OVR_Timer.h" -#include "Kernel/OVR_Std.h" -#include "Kernel/OVR_Log.h" - -#include <IOKit/hid/IOHIDManager.h> -#include <IOKit/hid/IOHIDKeys.h> - - -namespace OVR { namespace OSX { - -//------------------------------------------------------------------------------------- -// **** OSX::DeviceManager - -DeviceManager::DeviceManager() -{ -} - -DeviceManager::~DeviceManager() -{ - OVR_DEBUG_LOG(("OSX::DeviceManager::~DeviceManager was called")); -} - -bool DeviceManager::Initialize(DeviceBase*) -{ - if (!DeviceManagerImpl::Initialize(0)) - return false; - - // Start the background thread. - pThread = *new DeviceManagerThread(); - if (!pThread || !pThread->Start()) - return false; - - // Wait for the thread to be fully up and running. - pThread->StartupEvent.Wait(); - - // Do this now that we know the thread's run loop. - HidDeviceManager = *HIDDeviceManager::CreateInternal(this); - - CGDisplayRegisterReconfigurationCallback(displayReconfigurationCallBack, this); - - pCreateDesc->pDevice = this; - LogText("OVR::DeviceManager - initialized.\n"); - - return true; -} - -void DeviceManager::Shutdown() -{ - LogText("OVR::DeviceManager - shutting down.\n"); - - CGDisplayRemoveReconfigurationCallback(displayReconfigurationCallBack, this); - - // Set Manager shutdown marker variable; this prevents - // any existing DeviceHandle objects from accessing device. - pCreateDesc->pLock->pManager = 0; - - // Push for thread shutdown *WITH NO WAIT*. - // This will have the following effect: - // - Exit command will get enqueued, which will be executed later on the thread itself. - // - Beyond this point, this DeviceManager object may be deleted by our caller. - // - Other commands, such as CreateDevice, may execute before ExitCommand, but they will - // fail gracefully due to pLock->pManager == 0. Future commands can't be enqued - // after pManager is null. - // - Once ExitCommand executes, ThreadCommand::Run loop will exit and release the last - // reference to the thread object. - pThread->Shutdown(); - pThread.Clear(); - - DeviceManagerImpl::Shutdown(); -} - -ThreadCommandQueue* DeviceManager::GetThreadQueue() -{ - return pThread; -} - -ThreadId DeviceManager::GetThreadId() const -{ - return pThread->GetThreadId(); -} - -bool DeviceManager::GetDeviceInfo(DeviceInfo* info) const -{ - if ((info->InfoClassType != Device_Manager) && - (info->InfoClassType != Device_None)) - return false; - - info->Type = Device_Manager; - info->Version = 0; - info->ProductName = "DeviceManager"; - info->Manufacturer = "Oculus VR, Inc."; - return true; -} - -DeviceEnumerator<> DeviceManager::EnumerateDevicesEx(const DeviceEnumerationArgs& args) -{ - // TBD: Can this be avoided in the future, once proper device notification is in place? - pThread->PushCall((DeviceManagerImpl*)this, - &DeviceManager::EnumerateAllFactoryDevices, true); - - return DeviceManagerImpl::EnumerateDevicesEx(args); -} - -void DeviceManager::displayReconfigurationCallBack (CGDirectDisplayID display, - CGDisplayChangeSummaryFlags flags, - void *userInfo) -{ - DeviceManager* manager = reinterpret_cast<DeviceManager*>(userInfo); - OVR_UNUSED(manager); - - if (flags & kCGDisplayAddFlag) - { - LogText("Display Added, id = %d\n", int(display)); - manager->EnumerateDevices<HMDDevice>(); - } - else if (flags & kCGDisplayRemoveFlag) - { - LogText("Display Removed, id = %d\n", int(display)); - manager->EnumerateDevices<HMDDevice>(); - } -} - -//------------------------------------------------------------------------------------- -// ***** DeviceManager Thread - -DeviceManagerThread::DeviceManagerThread() - : Thread(ThreadStackSize) -{ -} - -DeviceManagerThread::~DeviceManagerThread() -{ -} - -int DeviceManagerThread::Run() -{ - - SetThreadName("OVR::DeviceManagerThread"); - LogText("OVR::DeviceManagerThread - running (ThreadId=0x%p).\n", GetThreadId()); - - // Store out the run loop ref. - RunLoop = CFRunLoopGetCurrent(); - - // Create a 'source' to enable us to signal the run loop to process the command queue. - CFRunLoopSourceContext sourceContext; - memset(&sourceContext, 0, sizeof(sourceContext)); - sourceContext.version = 0; - sourceContext.info = this; - sourceContext.perform = &staticCommandQueueSourceCallback; - - CommandQueueSource = CFRunLoopSourceCreate(kCFAllocatorDefault, 0 , &sourceContext); - - CFRunLoopAddSource(RunLoop, CommandQueueSource, kCFRunLoopDefaultMode); - - - // Signal to the parent thread that initialization has finished. - StartupEvent.SetEvent(); - - - ThreadCommand::PopBuffer command; - - while(!IsExiting()) - { - // PopCommand will reset event on empty queue. - if (PopCommand(&command)) - { - command.Execute(); - } - else - { - SInt32 exitReason = 0; - do { - - UInt32 waitMs = INT_MAX; - - // If devices have time-dependent logic registered, get the longest wait - // allowed based on current ticks. - if (!TicksNotifiers.IsEmpty()) - { - double timeSeconds = Timer::GetSeconds(); - unsigned waitAllowed; - - for (UPInt j = 0; j < TicksNotifiers.GetSize(); j++) - { - waitAllowed = (unsigned)(TicksNotifiers[j]->OnTicks(timeSeconds) * Timer::MsPerSecond); - if (waitAllowed < (unsigned)waitMs) - waitMs = waitAllowed; - } - } - - // Enter blocking run loop. We may continue until we timeout in which - // case it's time to service the ticks. Or if commands arrive in the command - // queue then the source callback will call 'CFRunLoopStop' causing this - // to return. - CFTimeInterval blockInterval = 0.001 * (double) waitMs; - exitReason = CFRunLoopRunInMode(kCFRunLoopDefaultMode, blockInterval, false); - - if (exitReason == kCFRunLoopRunFinished) - { - // Maybe this will occur during shutdown? - break; - } - else if (exitReason == kCFRunLoopRunStopped ) - { - // Commands need processing or we're being shutdown. - break; - } - else if (exitReason == kCFRunLoopRunTimedOut) - { - // Timed out so that we can service our ticks callbacks. - continue; - } - else if (exitReason == kCFRunLoopRunHandledSource) - { - // Should never occur since the last param when we call - // 'CFRunLoopRunInMode' is false. - OVR_ASSERT(false); - break; - } - else - { - OVR_ASSERT_LOG(false, ("CFRunLoopRunInMode returned unexpected code")); - break; - } - } - while(true); - } - } - - - CFRunLoopRemoveSource(RunLoop, CommandQueueSource, kCFRunLoopDefaultMode); - CFRelease(CommandQueueSource); - - LogText("OVR::DeviceManagerThread - exiting (ThreadId=0x%p).\n", GetThreadId()); - - return 0; -} - -void DeviceManagerThread::staticCommandQueueSourceCallback(void* pContext) -{ - DeviceManagerThread* pThread = (DeviceManagerThread*) pContext; - pThread->commandQueueSourceCallback(); -} - -void DeviceManagerThread::commandQueueSourceCallback() -{ - CFRunLoopStop(RunLoop); -} - -bool DeviceManagerThread::AddTicksNotifier(Notifier* notify) -{ - TicksNotifiers.PushBack(notify); - return true; -} - -bool DeviceManagerThread::RemoveTicksNotifier(Notifier* notify) -{ - for (UPInt i = 0; i < TicksNotifiers.GetSize(); i++) - { - if (TicksNotifiers[i] == notify) - { - TicksNotifiers.RemoveAt(i); - return true; - } - } - return false; -} - -void DeviceManagerThread::Shutdown() -{ - // Push for thread shutdown *WITH NO WAIT*. - // This will have the following effect: - // - Exit command will get enqueued, which will be executed later on the thread itself. - // - Beyond this point, this DeviceManager object may be deleted by our caller. - // - Other commands, such as CreateDevice, may execute before ExitCommand, but they will - // fail gracefully due to pLock->pManager == 0. Future commands can't be enqued - // after pManager is null. - // - Once ExitCommand executes, ThreadCommand::Run loop will exit and release the last - // reference to the thread object. - PushExitCommand(false); - - // make sure CFRunLoopRunInMode is woken up - CFRunLoopSourceSignal(CommandQueueSource); - CFRunLoopWakeUp(RunLoop); -} - -} // namespace OSX - - -//------------------------------------------------------------------------------------- -// ***** Creation - -// Creates a new DeviceManager and initializes OVR. -DeviceManager* DeviceManager::Create() -{ - - if (!System::IsInitialized()) - { - // Use custom message, since Log is not yet installed. - OVR_DEBUG_STATEMENT(Log::GetDefaultLog()-> - LogMessage(Log_Debug, "DeviceManager::Create failed - OVR::System not initialized"); ); - return 0; - } - - Ptr<OSX::DeviceManager> manager = *new OSX::DeviceManager; - - if (manager) - { - if (manager->Initialize(0)) - { - manager->AddFactory(&LatencyTestDeviceFactory::GetInstance()); - manager->AddFactory(&SensorDeviceFactory::GetInstance()); - manager->AddFactory(&OSX::HMDDeviceFactory::GetInstance()); - - manager->AddRef(); - } - else - { - manager.Clear(); - } - } - - return manager.GetPtr(); -} - -} // namespace OVR |