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/************************************************************************************
Filename : OVR_LatencyTestImpl.h
Content : Latency Tester specific implementation.
Created : March 7, 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.
*************************************************************************************/
#ifndef OVR_LatencyTestImpl_h
#define OVR_LatencyTestImpl_h
#include "OVR_HIDDeviceImpl.h"
namespace OVR {
struct LatencyTestSamplesMessage;
struct LatencyTestButtonMessage;
struct LatencyTestStartedMessage;
struct LatencyTestColorDetectedMessage;
//-------------------------------------------------------------------------------------
// LatencyTestDeviceFactory enumerates Oculus Latency Tester devices.
class LatencyTestDeviceFactory : public DeviceFactory
{
public:
static LatencyTestDeviceFactory Instance;
// Enumerates devices, creating and destroying relevant objects in manager.
virtual void EnumerateDevices(EnumerateVisitor& visitor);
virtual bool MatchVendorProduct(UInt16 vendorId, UInt16 productId) const;
virtual bool DetectHIDDevice(DeviceManager* pdevMgr, const HIDDeviceDesc& desc);
protected:
DeviceManager* getManager() const { return (DeviceManager*) pManager; }
};
// Describes a single a Oculus Latency Tester device and supports creating its instance.
class LatencyTestDeviceCreateDesc : public HIDDeviceCreateDesc
{
public:
LatencyTestDeviceCreateDesc(DeviceFactory* factory, const HIDDeviceDesc& hidDesc)
: HIDDeviceCreateDesc(factory, Device_LatencyTester, hidDesc) { }
virtual DeviceCreateDesc* Clone() const
{
return new LatencyTestDeviceCreateDesc(*this);
}
virtual DeviceBase* NewDeviceInstance();
virtual MatchResult MatchDevice(const DeviceCreateDesc& other,
DeviceCreateDesc**) const
{
if ((other.Type == Device_LatencyTester) && (pFactory == other.pFactory))
{
const LatencyTestDeviceCreateDesc& s2 = (const LatencyTestDeviceCreateDesc&) other;
if (MatchHIDDevice(s2.HIDDesc))
return Match_Found;
}
return Match_None;
}
virtual bool MatchHIDDevice(const HIDDeviceDesc& hidDesc) const
{
// should paths comparison be case insensitive?
return ((HIDDesc.Path.CompareNoCase(hidDesc.Path) == 0) &&
(HIDDesc.SerialNumber == hidDesc.SerialNumber));
}
virtual bool GetDeviceInfo(DeviceInfo* info) const;
};
//-------------------------------------------------------------------------------------
// ***** OVR::LatencyTestDeviceImpl
// Oculus Latency Tester interface.
class LatencyTestDeviceImpl : public HIDDeviceImpl<OVR::LatencyTestDevice>
{
public:
LatencyTestDeviceImpl(LatencyTestDeviceCreateDesc* createDesc);
~LatencyTestDeviceImpl();
// DeviceCommon interface.
virtual bool Initialize(DeviceBase* parent);
virtual void Shutdown();
// DeviceManagerThread::Notifier interface.
virtual void OnInputReport(UByte* pData, UInt32 length);
// LatencyTesterDevice interface
virtual bool SetConfiguration(const OVR::LatencyTestConfiguration& configuration, bool waitFlag = false);
virtual bool GetConfiguration(OVR::LatencyTestConfiguration* configuration);
virtual bool SetCalibrate(const Color& calibrationColor, bool waitFlag = false);
virtual bool SetStartTest(const Color& targetColor, bool waitFlag = false);
virtual bool SetDisplay(const LatencyTestDisplay& display, bool waitFlag = false);
protected:
bool openDevice(const char** errorFormatString);
void closeDevice();
void closeDeviceOnIOError();
bool initializeRead();
bool processReadResult();
bool setConfiguration(const OVR::LatencyTestConfiguration& configuration);
bool getConfiguration(OVR::LatencyTestConfiguration* configuration);
bool setCalibrate(const Color& calibrationColor);
bool setStartTest(const Color& targetColor);
bool setDisplay(const OVR::LatencyTestDisplay& display);
// Called for decoded messages
void onLatencyTestSamplesMessage(LatencyTestSamplesMessage* message);
void onLatencyTestButtonMessage(LatencyTestButtonMessage* message);
void onLatencyTestStartedMessage(LatencyTestStartedMessage* message);
void onLatencyTestColorDetectedMessage(LatencyTestColorDetectedMessage* message);
};
} // namespace OVR
#endif // OVR_LatencyTestImpl_h
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