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/************************************************************************************
Filename : OVR_Linux_HMDDevice.h
Content : Linux HMDDevice implementation
Created : June 17, 2013
Authors : Brant Lewis
Copyright : Copyright 2013 Oculus VR, Inc. All Rights reserved.
Licensed under the Oculus VR SDK License Version 2.0 (the "License");
you may not use the Oculus VR 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-2.0
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_Linux_HMDDevice_h
#define OVR_Linux_HMDDevice_h
#include "OVR_Linux_DeviceManager.h"
#include "OVR_Profile.h"
namespace OVR { namespace Linux {
class HMDDevice;
//-------------------------------------------------------------------------------------
// HMDDeviceFactory enumerates attached Oculus HMD devices.
//
// This is currently done by matching monitor device strings.
class HMDDeviceFactory : public DeviceFactory
{
public:
static HMDDeviceFactory Instance;
// Enumerates devices, creating and destroying relevant objects in manager.
virtual void EnumerateDevices(EnumerateVisitor& visitor);
protected:
DeviceManager* getManager() const { return (DeviceManager*) pManager; }
};
class HMDDeviceCreateDesc : public DeviceCreateDesc
{
friend class HMDDevice;
protected:
enum
{
Contents_Screen = 1,
Contents_Distortion = 2,
Contents_7Inch = 4,
};
String DeviceId;
String DisplayDeviceName;
int DesktopX, DesktopY;
unsigned Contents;
unsigned HResolution, VResolution;
float HScreenSize, VScreenSize;
long DisplayId;
float DistortionK[4];
float EyeToScreenDistance;
public:
HMDDeviceCreateDesc(DeviceFactory* factory, const String& displayDeviceName, long dispId);
HMDDeviceCreateDesc(const HMDDeviceCreateDesc& other);
virtual DeviceCreateDesc* Clone() const
{
return new HMDDeviceCreateDesc(*this);
}
virtual DeviceBase* NewDeviceInstance();
virtual MatchResult MatchDevice(const DeviceCreateDesc& other,
DeviceCreateDesc**) const;
// Matches device by path.
virtual bool MatchDevice(const String& path);
virtual bool UpdateMatchedCandidate(const DeviceCreateDesc&, bool* newDeviceFlag = NULL);
virtual bool GetDeviceInfo(DeviceInfo* info) const;
// Requests the currently used default profile. This profile affects the
// settings reported by HMDInfo.
Profile* GetProfileAddRef() const;
ProfileType GetProfileType() const
{
return (HResolution >= 1920) ? Profile_RiftDKHD : Profile_RiftDK1;
}
void SetScreenParameters(int x, int y, unsigned hres, unsigned vres, float hsize, float vsize)
{
DesktopX = x;
DesktopY = y;
HResolution = hres;
VResolution = vres;
HScreenSize = hsize;
VScreenSize = vsize;
Contents |= Contents_Screen;
}
void SetDistortion(float eye2screen, const float* dks)
{
EyeToScreenDistance = eye2screen;
for (int i = 0; i < 4; i++)
DistortionK[i] = dks[i];
Contents |= Contents_Distortion;
}
void Set7Inch() { Contents |= Contents_7Inch; }
bool Is7Inch() const;
};
//-------------------------------------------------------------------------------------
// HMDDevice represents an Oculus HMD device unit. An instance of this class
// is typically created from the DeviceManager.
// After HMD device is created, we its sensor data can be obtained by
// first creating a Sensor object and then wrappig it in SensorFusion.
class HMDDevice : public DeviceImpl<OVR::HMDDevice>
{
public:
HMDDevice(HMDDeviceCreateDesc* createDesc);
~HMDDevice();
virtual bool Initialize(DeviceBase* parent);
virtual void Shutdown();
// Requests the currently used default profile. This profile affects the
// settings reported by HMDInfo.
virtual Profile* GetProfile() const;
virtual const char* GetProfileName() const;
virtual bool SetProfileName(const char* name);
// Query associated sensor.
virtual OVR::SensorDevice* GetSensor();
protected:
HMDDeviceCreateDesc* getDesc() const { return (HMDDeviceCreateDesc*)pCreateDesc.GetPtr(); }
// User name for the profile used with this device.
String ProfileName;
mutable Ptr<Profile> pCachedProfile;
};
}} // namespace OVR::Linux
#endif // OVR_Linux_HMDDevice_h
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