Added offset output views

Author: r57zone

OpenVR/FreeTrack/samples/driver_sample/driver_sample.cpp

@@ -67,6 +67,8 @@ static const char * const k_pch_Sample_DistortionK1_Float = "DistortionK1";
 static const char * const k_pch_Sample_DistortionK2_Float = "DistortionK2";
 static const char * const k_pch_Sample_ZoomWidth_Float = "ZoomWidth";
 static const char * const k_pch_Sample_ZoomHeight_Float = "ZoomHeight";
+static const char * const k_pch_Sample_DistanceBetweenEyes_Int32 = "DistanceBetweenEyes";
+static const char * const k_pch_Sample_ScreenOffsetX_Int32 = "ScreenOffsetX";
 static const char * const k_pch_Sample_DebugMode_Bool = "DebugMode";
 
 #define FREETRACK_HEAP "FT_SharedMem"
@@ -121,7 +123,7 @@ FTData *FreeTrack;
 bool HMDConnected = false;
 std::thread *pFTthread = NULL;
 
-//FreeTrack implementation from https://github.com/opentrack/opentrack/tree/unstable/freetrackclient
+//FreeTrack implementation from OpenTrack (https://github.com/opentrack/opentrack/tree/unstable/freetrackclient)
 static BOOL impl_create_mapping(void)
 {
 	if (ipc_heap != NULL)
@@ -273,6 +275,8 @@ class CSampleDeviceDriver : public vr::ITrackedDeviceServerDriver, public vr::IV
 		m_fDistortionK2 = vr::VRSettings()->GetFloat(k_pch_Sample_Section, k_pch_Sample_DistortionK2_Float);
 		m_fZoomWidth = vr::VRSettings()->GetFloat(k_pch_Sample_Section, k_pch_Sample_ZoomWidth_Float);
 		m_fZoomHeight = vr::VRSettings()->GetFloat(k_pch_Sample_Section, k_pch_Sample_ZoomHeight_Float);
+		m_nDistanceBetweenEyes = vr::VRSettings()->GetFloat(k_pch_Sample_Section, k_pch_Sample_DistanceBetweenEyes_Int32);
+		m_nScreenOffsetX = vr::VRSettings()->GetFloat(k_pch_Sample_Section, k_pch_Sample_ScreenOffsetX_Int32);
 		m_bDebugMode = vr::VRSettings()->GetBool(k_pch_Sample_Section, k_pch_Sample_DebugMode_Bool);
 
 		//DriverLog( "driver_null: Serial Number: %s\n", m_sSerialNumber.c_str() );
@@ -317,7 +321,7 @@ class CSampleDeviceDriver : public vr::ITrackedDeviceServerDriver, public vr::IV
 		// avoid "not fullscreen" warnings from vrmonitor
 		vr::VRProperties()->SetBoolProperty( m_ulPropertyContainer, Prop_IsOnDesktop_Bool, false );
 
-		//Debug mode activate Windowed Mode (borderless fullscreen) on "Headset Window" and you can move window to second screen with buttons (Shift + Win + Right or Left), but lock to 30 FPS 
+		//Debug mode activate Windowed Mode (borderless fullscreen), lock to 30 FPS 
 		vr::VRProperties()->SetBoolProperty(m_ulPropertyContainer, Prop_DisplayDebugMode_Bool, m_bDebugMode);
 		// Icons can be configured in code or automatically configured by an external file "drivername\resources\driver.vrresources".
 		// Icon properties NOT configured in code (post Activate) are then auto-configured by the optional presence of a driver's "drivername\resources\driver.vrresources".
@@ -418,17 +422,17 @@ class CSampleDeviceDriver : public vr::ITrackedDeviceServerDriver, public vr::IV
 
 	virtual void GetEyeOutputViewport( EVREye eEye, uint32_t *pnX, uint32_t *pnY, uint32_t *pnWidth, uint32_t *pnHeight ) 
 	{
-		*pnY = 0;
+		*pnY = m_nScreenOffsetX;
 		*pnWidth = m_nWindowWidth / 2;
 		*pnHeight = m_nWindowHeight;
-	
-		if ( eEye == Eye_Left )
+
+		if (eEye == Eye_Left)
 		{
-			*pnX = 0;
+			*pnX = m_nDistanceBetweenEyes;
 		}
 		else
 		{
-			*pnX = m_nWindowWidth / 2;
+			*pnX = (m_nWindowWidth / 2) - m_nDistanceBetweenEyes;
 		}
 	}
 
@@ -534,6 +538,8 @@ class CSampleDeviceDriver : public vr::ITrackedDeviceServerDriver, public vr::IV
 	float m_fDistortionK2;
 	float m_fZoomWidth;
 	float m_fZoomHeight;
+	int32_t m_nDistanceBetweenEyes;
+	int32_t m_nScreenOffsetX;
 	bool m_bDebugMode;
 };
 

OpenVR/UDP/samples/driver_sample/driver_sample.cpp

@@ -69,6 +69,8 @@ static const char * const k_pch_Sample_DistortionK1_Float = "DistortionK1";
 static const char * const k_pch_Sample_DistortionK2_Float = "DistortionK2";
 static const char * const k_pch_Sample_ZoomWidth_Float = "ZoomWidth";
 static const char * const k_pch_Sample_ZoomHeight_Float = "ZoomHeight";
+static const char * const k_pch_Sample_DistanceBetweenEyes_Int32 = "DistanceBetweenEyes";
+static const char * const k_pch_Sample_ScreenOffsetX_Int32 = "ScreenOffsetX";
 static const char * const k_pch_Sample_DebugMode_Bool = "DebugMode";
 
 //OpenTrack vars
@@ -250,6 +252,8 @@ class CSampleDeviceDriver : public vr::ITrackedDeviceServerDriver, public vr::IV
 		m_fDistortionK2 = vr::VRSettings()->GetFloat(k_pch_Sample_Section, k_pch_Sample_DistortionK2_Float);
 		m_fZoomWidth = vr::VRSettings()->GetFloat(k_pch_Sample_Section, k_pch_Sample_ZoomWidth_Float);
 		m_fZoomHeight = vr::VRSettings()->GetFloat(k_pch_Sample_Section, k_pch_Sample_ZoomHeight_Float);
+		m_nDistanceBetweenEyes = vr::VRSettings()->GetFloat(k_pch_Sample_Section, k_pch_Sample_DistanceBetweenEyes_Int32);
+		m_nScreenOffsetX = vr::VRSettings()->GetFloat(k_pch_Sample_Section, k_pch_Sample_ScreenOffsetX_Int32);
 		m_bDebugMode = vr::VRSettings()->GetBool(k_pch_Sample_Section, k_pch_Sample_DebugMode_Bool);
 
 		//DriverLog( "driver_null: Serial Number: %s\n", m_sSerialNumber.c_str() );
@@ -428,17 +432,17 @@ class CSampleDeviceDriver : public vr::ITrackedDeviceServerDriver, public vr::IV
 
 	virtual void GetEyeOutputViewport( EVREye eEye, uint32_t *pnX, uint32_t *pnY, uint32_t *pnWidth, uint32_t *pnHeight ) 
 	{
-		*pnY = 0;
+		*pnY = m_nScreenOffsetX;
 		*pnWidth = m_nWindowWidth / 2;
 		*pnHeight = m_nWindowHeight;
-	
-		if ( eEye == Eye_Left )
+
+		if (eEye == Eye_Left)
 		{
-			*pnX = 0;
+			*pnX = m_nDistanceBetweenEyes;
 		}
 		else
 		{
-			*pnX = m_nWindowWidth / 2;
+			*pnX = (m_nWindowWidth / 2) - m_nDistanceBetweenEyes;
 		}
 	}
 
@@ -545,6 +549,8 @@ class CSampleDeviceDriver : public vr::ITrackedDeviceServerDriver, public vr::IV
 	float m_fDistortionK2;
 	float m_fZoomWidth;
 	float m_fZoomHeight;
+	int32_t m_nDistanceBetweenEyes;
+	int32_t m_nScreenOffsetX;
 	bool m_bDebugMode;
 };