C++ (Cpp) ovrHmd_SetFloat Examples

Example #1

File: OculusWorldDemo.cpp Project: ashariati/GRASP_2014

void OculusWorldDemoApp::CenterPupilDepthChange(OptionVar*)
{
    ovrHmd_SetFloat(Hmd, "CenterPupilDepth", CenterPupilDepthMeters);
}

Example #2

File: vr_ovr.cpp Project: jeremiah-sypult/Quakespasm-Rift

int OVRConfigureRenderer(int width, int height, float znear, float zfar, float ipd, float multisample, int lowpersistence, int dynamicprediction, int vsync, int chromatic, int timewarp, int vignette, int state, int flip, int srgb, int overdrive, int profile)
{
    unsigned hmdCaps;
	unsigned int distortionCaps;
    ovrFovPort eyeFov[EYE_ALL] = { _OVRGlobals.HMD->DefaultEyeFov[EYE_LEFT], _OVRGlobals.HMD->DefaultEyeFov[EYE_RIGHT] };
    float FovSideTanMax   = OVR::FovPort::Max(_OVRGlobals.HMD->DefaultEyeFov[EYE_LEFT], _OVRGlobals.HMD->DefaultEyeFov[EYE_RIGHT]).GetMaxSideTan();
	//float FovSideTanLimit = OVR::FovPort::Max(_OVRGlobals.HMD->MaxEyeFov[EYE_LEFT], _OVRGlobals.HMD->MaxEyeFov[EYE_RIGHT]).GetMaxSideTan();
	ovrBool didSetIPD = 0;

	// generate the HMD and distortion caps
	hmdCaps = (lowpersistence ? ovrHmdCap_LowPersistence : 0) |
	          (dynamicprediction ? ovrHmdCap_DynamicPrediction : 0) |
	          (vsync ? 0 : ovrHmdCap_NoVSync);

	distortionCaps = (chromatic ? ovrDistortionCap_Chromatic : 0) |
	                 (timewarp ? ovrDistortionCap_TimeWarp : 0) |
	                 (vignette ? ovrDistortionCap_Vignette : 0) |
					(state ? 0 : ovrDistortionCap_NoRestore) |
					(flip ? ovrDistortionCap_FlipInput : 0) |
					(srgb ? ovrDistortionCap_SRGB : 0) |
					(overdrive ? ovrDistortionCap_Overdrive : 0) |
					(profile ? ovrDistortionCap_ProfileNoTimewarpSpinWaits : 0);

	didSetIPD = ovrHmd_SetFloat( _OVRGlobals.HMD, OVR_KEY_IPD, ipd * 0.001 );

	ovrHmd_SetEnabledCaps( _OVRGlobals.HMD, hmdCaps );

	ovrRenderAPIConfig config = ovrRenderAPIConfig();
	config.Header.API = ovrRenderAPI_OpenGL;
	config.Header.RTSize.w = width;
	config.Header.RTSize.h = height;
	config.Header.Multisample = multisample > 1 ? 1 : 0;

	// clamp fov
    eyeFov[EYE_LEFT] = OVR::FovPort::Min(eyeFov[EYE_LEFT], OVR::FovPort(FovSideTanMax));
    eyeFov[EYE_RIGHT] = OVR::FovPort::Min(eyeFov[EYE_RIGHT], OVR::FovPort(FovSideTanMax));

    if ( !ovrHmd_ConfigureRendering( _OVRGlobals.HMD, &config, distortionCaps, eyeFov, _OVRGlobals.EyeRenderDesc ) ) {
        return 0;
    }

#ifdef DEBUG
	ovrhmd_EnableHSWDisplaySDKRender( _OVRGlobals.HMD, false );
#else
	ovrHmd_DismissHSWDisplay( _OVRGlobals.HMD );
#endif

	_OVRGlobals.IPD = ovrHmd_GetFloat( _OVRGlobals.HMD, OVR_KEY_IPD, ipd * 0.001 );

	// create the projection
	_OVRGlobals.Eye[EYE_LEFT].Projection =
		ovrMatrix4f_Projection( _OVRGlobals.EyeRenderDesc[EYE_LEFT].Fov, znear, zfar, true );
    _OVRGlobals.Eye[EYE_RIGHT].Projection =
		ovrMatrix4f_Projection( _OVRGlobals.EyeRenderDesc[EYE_RIGHT].Fov, znear, zfar, true );

	// transpose the projection
	OVR::Matrix4 <float>transposeLeft = _OVRGlobals.Eye[EYE_LEFT].Projection;
	OVR::Matrix4 <float>transposeRight = _OVRGlobals.Eye[EYE_RIGHT].Projection;

	_OVRGlobals.Eye[EYE_LEFT].Projection = transposeLeft.Transposed();
	_OVRGlobals.Eye[EYE_RIGHT].Projection = transposeRight.Transposed();

	// TODO: ortho
	{
		float    orthoDistance = 0.8f; // 2D is 0.8 meter from camera
		OVR::Vector2f orthoScale0   = OVR::Vector2f(1.0f) / OVR::Vector2f(_OVRGlobals.EyeRenderDesc[EYE_LEFT].PixelsPerTanAngleAtCenter);
		OVR::Vector2f orthoScale1   = OVR::Vector2f(1.0f) / OVR::Vector2f(_OVRGlobals.EyeRenderDesc[EYE_RIGHT].PixelsPerTanAngleAtCenter);

		_OVRGlobals.Eye[EYE_LEFT].OrthoProjection =
			ovrMatrix4f_OrthoSubProjection(_OVRGlobals.Eye[EYE_LEFT].Projection, orthoScale0, orthoDistance, _OVRGlobals.EyeRenderDesc[EYE_LEFT].ViewAdjust.x);

		_OVRGlobals.Eye[EYE_RIGHT].OrthoProjection =
			ovrMatrix4f_OrthoSubProjection(_OVRGlobals.Eye[EYE_RIGHT].Projection, orthoScale1, orthoDistance, _OVRGlobals.EyeRenderDesc[EYE_RIGHT].ViewAdjust.x);

		OVR::Matrix4 <float>transposeLeftOrtho = _OVRGlobals.Eye[EYE_LEFT].OrthoProjection;
		OVR::Matrix4 <float>transposeRightOrtho = _OVRGlobals.Eye[EYE_RIGHT].OrthoProjection;

		_OVRGlobals.Eye[EYE_LEFT].OrthoProjection = transposeLeftOrtho.Transposed();
		_OVRGlobals.Eye[EYE_RIGHT].OrthoProjection = transposeRightOrtho.Transposed();
	}

	return 1;
}