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-rw-r--r--LibOVR/Src/OVR_DeviceHandle.cpp348
1 files changed, 174 insertions, 174 deletions
diff --git a/LibOVR/Src/OVR_DeviceHandle.cpp b/LibOVR/Src/OVR_DeviceHandle.cpp
index 5a0fce6..d1e831e 100644
--- a/LibOVR/Src/OVR_DeviceHandle.cpp
+++ b/LibOVR/Src/OVR_DeviceHandle.cpp
@@ -1,174 +1,174 @@
-/************************************************************************************
-
-Filename : OVR_DeviceHandle.cpp
-Content : Implementation of device handle class
-Created : February 5, 2013
-Authors : Lee Cooper
-
-Copyright : Copyright 2013 Oculus VR, Inc. All Rights reserved.
-
-Use of this software is subject to the terms of the Oculus license
-agreement provided at the time of installation or download, or which
-otherwise accompanies this software in either electronic or hard copy form.
-
-*************************************************************************************/
-
-#include "OVR_DeviceHandle.h"
-
-#include "OVR_DeviceImpl.h"
-
-namespace OVR {
-
-//-------------------------------------------------------------------------------------
-// ***** DeviceHandle
-
-DeviceHandle::DeviceHandle(DeviceCreateDesc* impl) : pImpl(impl)
-{
- if (pImpl)
- pImpl->AddRef();
-}
-
-DeviceHandle::DeviceHandle(const DeviceHandle& src) : pImpl(src.pImpl)
-{
- if (pImpl)
- pImpl->AddRef();
-}
-
-DeviceHandle::~DeviceHandle()
-{
- if (pImpl)
- pImpl->Release();
-}
-
-void DeviceHandle::operator = (const DeviceHandle& src)
-{
- if (src.pImpl)
- src.pImpl->AddRef();
- if (pImpl)
- pImpl->Release();
- pImpl = src.pImpl;
-}
-
-DeviceBase* DeviceHandle::GetDevice_AddRef() const
-{
- if (pImpl && pImpl->pDevice)
- {
- pImpl->pDevice->AddRef();
- return pImpl->pDevice;
- }
- return NULL;
-}
-
-// Returns true, if the handle contains the same device ptr
-// as specified in the parameter.
-bool DeviceHandle::IsDevice(DeviceBase* pdev) const
-{
- return (pdev && pImpl && pImpl->pDevice) ?
- pImpl->pDevice == pdev : false;
-}
-
-DeviceType DeviceHandle::GetType() const
-{
- return pImpl ? pImpl->Type : Device_None;
-}
-
-bool DeviceHandle::GetDeviceInfo(DeviceInfo* info) const
-{
- return pImpl ? pImpl->GetDeviceInfo(info) : false;
-}
-bool DeviceHandle::IsAvailable() const
-{
- // This isn't "atomically safe", but the function only returns the
- // recent state that may change.
- return pImpl ? (pImpl->Enumerated && pImpl->pLock->pManager) : false;
-}
-
-bool DeviceHandle::IsCreated() const
-{
- return pImpl ? (pImpl->pDevice != 0) : false;
-}
-
-DeviceBase* DeviceHandle::CreateDevice()
-{
- if (!pImpl)
- return 0;
-
- DeviceBase* device = 0;
- Ptr<DeviceManagerImpl> manager= 0;
-
- // Since both manager and device pointers can only be destroyed during a lock,
- // hold it while checking for availability.
- // AddRef to manager so that it doesn't get released on us.
- {
- Lock::Locker deviceLockScope(pImpl->GetLock());
-
- if (pImpl->pDevice)
- {
- pImpl->pDevice->AddRef();
- return pImpl->pDevice;
- }
- manager = pImpl->GetManagerImpl();
- }
-
- if (manager)
- {
- if (manager->GetThreadId() != OVR::GetCurrentThreadId())
- {
- // Queue up a CreateDevice request. This fills in '&device' with AddRefed value,
- // or keep it at null.
- manager->GetThreadQueue()->PushCallAndWaitResult(
- manager.GetPtr(), &DeviceManagerImpl::CreateDevice_MgrThread,
- &device, pImpl, (DeviceBase*)0);
- }
- else
- device = manager->CreateDevice_MgrThread(pImpl, (DeviceBase*)0);
- }
- return device;
-}
-
-void DeviceHandle::Clear()
-{
- if (pImpl)
- {
- pImpl->Release();
- pImpl = 0;
- }
-}
-
-bool DeviceHandle::enumerateNext(const DeviceEnumerationArgs& args)
-{
- if (GetType() == Device_None)
- return false;
-
- Ptr<DeviceManagerImpl> managerKeepAlive;
- Lock::Locker lockScope(pImpl->GetLock());
-
- DeviceCreateDesc* next = pImpl;
- // If manager was destroyed, we get removed from the list.
- if (!pImpl->pNext)
- return false;
-
- managerKeepAlive = next->GetManagerImpl();
- OVR_ASSERT(managerKeepAlive);
-
- do {
- next = next->pNext;
-
- if (managerKeepAlive->Devices.IsNull(next))
- {
- pImpl->Release();
- pImpl = 0;
- return false;
- }
-
- } while(!args.MatchRule(next->Type, next->Enumerated));
-
- next->AddRef();
- pImpl->Release();
- pImpl = next;
-
- return true;
-}
-
-} // namespace OVR
-
+/************************************************************************************
+
+Filename : OVR_DeviceHandle.cpp
+Content : Implementation of device handle class
+Created : February 5, 2013
+Authors : Lee Cooper
+
+Copyright : Copyright 2013 Oculus VR, Inc. All Rights reserved.
+
+Use of this software is subject to the terms of the Oculus license
+agreement provided at the time of installation or download, or which
+otherwise accompanies this software in either electronic or hard copy form.
+
+*************************************************************************************/
+
+#include "OVR_DeviceHandle.h"
+
+#include "OVR_DeviceImpl.h"
+
+namespace OVR {
+
+//-------------------------------------------------------------------------------------
+// ***** DeviceHandle
+
+DeviceHandle::DeviceHandle(DeviceCreateDesc* impl) : pImpl(impl)
+{
+ if (pImpl)
+ pImpl->AddRef();
+}
+
+DeviceHandle::DeviceHandle(const DeviceHandle& src) : pImpl(src.pImpl)
+{
+ if (pImpl)
+ pImpl->AddRef();
+}
+
+DeviceHandle::~DeviceHandle()
+{
+ if (pImpl)
+ pImpl->Release();
+}
+
+void DeviceHandle::operator = (const DeviceHandle& src)
+{
+ if (src.pImpl)
+ src.pImpl->AddRef();
+ if (pImpl)
+ pImpl->Release();
+ pImpl = src.pImpl;
+}
+
+DeviceBase* DeviceHandle::GetDevice_AddRef() const
+{
+ if (pImpl && pImpl->pDevice)
+ {
+ pImpl->pDevice->AddRef();
+ return pImpl->pDevice;
+ }
+ return NULL;
+}
+
+// Returns true, if the handle contains the same device ptr
+// as specified in the parameter.
+bool DeviceHandle::IsDevice(DeviceBase* pdev) const
+{
+ return (pdev && pImpl && pImpl->pDevice) ?
+ pImpl->pDevice == pdev : false;
+}
+
+DeviceType DeviceHandle::GetType() const
+{
+ return pImpl ? pImpl->Type : Device_None;
+}
+
+bool DeviceHandle::GetDeviceInfo(DeviceInfo* info) const
+{
+ return pImpl ? pImpl->GetDeviceInfo(info) : false;
+}
+bool DeviceHandle::IsAvailable() const
+{
+ // This isn't "atomically safe", but the function only returns the
+ // recent state that may change.
+ return pImpl ? (pImpl->Enumerated && pImpl->pLock->pManager) : false;
+}
+
+bool DeviceHandle::IsCreated() const
+{
+ return pImpl ? (pImpl->pDevice != 0) : false;
+}
+
+DeviceBase* DeviceHandle::CreateDevice()
+{
+ if (!pImpl)
+ return 0;
+
+ DeviceBase* device = 0;
+ Ptr<DeviceManagerImpl> manager= 0;
+
+ // Since both manager and device pointers can only be destroyed during a lock,
+ // hold it while checking for availability.
+ // AddRef to manager so that it doesn't get released on us.
+ {
+ Lock::Locker deviceLockScope(pImpl->GetLock());
+
+ if (pImpl->pDevice)
+ {
+ pImpl->pDevice->AddRef();
+ return pImpl->pDevice;
+ }
+ manager = pImpl->GetManagerImpl();
+ }
+
+ if (manager)
+ {
+ if (manager->GetThreadId() != OVR::GetCurrentThreadId())
+ {
+ // Queue up a CreateDevice request. This fills in '&device' with AddRefed value,
+ // or keep it at null.
+ manager->GetThreadQueue()->PushCallAndWaitResult(
+ manager.GetPtr(), &DeviceManagerImpl::CreateDevice_MgrThread,
+ &device, pImpl, (DeviceBase*)0);
+ }
+ else
+ device = manager->CreateDevice_MgrThread(pImpl, (DeviceBase*)0);
+ }
+ return device;
+}
+
+void DeviceHandle::Clear()
+{
+ if (pImpl)
+ {
+ pImpl->Release();
+ pImpl = 0;
+ }
+}
+
+bool DeviceHandle::enumerateNext(const DeviceEnumerationArgs& args)
+{
+ if (GetType() == Device_None)
+ return false;
+
+ Ptr<DeviceManagerImpl> managerKeepAlive;
+ Lock::Locker lockScope(pImpl->GetLock());
+
+ DeviceCreateDesc* next = pImpl;
+ // If manager was destroyed, we get removed from the list.
+ if (!pImpl->pNext)
+ return false;
+
+ managerKeepAlive = next->GetManagerImpl();
+ OVR_ASSERT(managerKeepAlive);
+
+ do {
+ next = next->pNext;
+
+ if (managerKeepAlive->Devices.IsNull(next))
+ {
+ pImpl->Release();
+ pImpl = 0;
+ return false;
+ }
+
+ } while(!args.MatchRule(next->Type, next->Enumerated));
+
+ next->AddRef();
+ pImpl->Release();
+ pImpl = next;
+
+ return true;
+}
+
+} // namespace OVR
+
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