/**
* \file stereo_ovr.h
* \brief CStereoOVR
* \date 2014-08-04 16:21GMT
* \author Jan Boon (Kaetemi)
* CStereoOVR
*/
/*
* Copyright (C) 2014 by authors
*
* This file is part of NL3D.
* NL3D is free software: you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* NL3D is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
* Public License for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with NL3D. If not, see
* .
*
* Linking this library statically or dynamically with other modules
* is making a combined work based on this library. Thus, the terms
* and conditions of the GNU General Public License cover the whole
* combination.
*
* As a special exception, the copyright holders of this library give
* you permission to link this library with the Oculus SDK to produce
* an executable, regardless of the license terms of the Oculus SDK,
* and distribute linked combinations including the two, provided that
* you also meet the terms and conditions of the license of the Oculus
* SDK. You must obey the GNU General Public License in all respects
* for all of the code used other than the Oculus SDK. If you modify
* this file, you may extend this exception to your version of the
* file, but you are not obligated to do so. If you do not wish to do
* so, delete this exception statement from your version.
*/
#ifndef NL3D_STEREO_OVR_04_H
#define NL3D_STEREO_OVR_04_H
#ifdef HAVE_LIBOVR
#include
// STL includes
// NeL includes
#include
#include
// Project includes
#include
#include
#include
#include
#include
#include
#include
struct ovrHmdDesc_;
typedef const ovrHmdDesc_ *ovrHmd;
namespace NL3D {
class ITexture;
class CTextureUser;
class CStereoOVRDeviceFactory;
#define NL_STEREO_MAX_USER_CAMERAS 8
#define NL_OVR_EYE_COUNT 2
/**
* \brief CStereoOVR
* \date 2014-08-04 16:21GMT
* \author Jan Boon (Kaetemi)
* CStereoOVR
*/
class CStereoOVR : public IStereoHMD
{
public:
CStereoOVR(const CStereoOVRDeviceFactory *factory);
virtual ~CStereoOVR();
/// Sets driver and generates necessary render targets
virtual void setDriver(NL3D::UDriver *driver);
/// Attach the driver to the display
virtual bool attachToDisplay();
/// Detach the driver from the display
virtual void detachFromDisplay();
/// Gets the required screen resolution for this device
virtual bool getScreenResolution(uint &width, uint &height);
/// Set latest camera position etcetera
virtual void updateCamera(uint cid, const NL3D::UCamera *camera);
/// Get the frustum to use for clipping
virtual void getClippingFrustum(uint cid, NL3D::UCamera *camera) const;
/// Get the original frustum of the camera
virtual void getOriginalFrustum(uint cid, NL3D::UCamera *camera) const;
/// Is there a next pass
virtual bool nextPass();
/// Gets the current viewport
virtual const NL3D::CViewport &getCurrentViewport() const;
/// Gets the current camera frustum
virtual const NL3D::CFrustum &getCurrentFrustum(uint cid) const;
/// Gets the current camera frustum
virtual void getCurrentFrustum(uint cid, NL3D::UCamera *camera) const;
/// Gets the current camera matrix
virtual void getCurrentMatrix(uint cid, NL3D::UCamera *camera) const;
/// At the start of a new render target
virtual bool wantClear();
/// The 3D scene
virtual bool wantScene();
/// Scene post processing effects
virtual bool wantSceneEffects();
/// Interface within the 3D scene
virtual bool wantInterface3D();
/// 2D Interface
virtual bool wantInterface2D();
/// Is this the first 3D scene of the frame
virtual bool isSceneFirst();
/// Is this the last 3D scene of the frame
virtual bool isSceneLast();
/// Returns true if a new render target was set, always fase if not using render targets
virtual bool beginRenderTarget();
/// Returns true if a render target was fully drawn, always false if not using render targets
virtual bool endRenderTarget();
/// Get the HMD orientation
virtual NLMISC::CQuat getOrientation() const;
/// Set the GUI reference
virtual void setInterfaceMatrix(const NL3D::CMatrix &matrix);
/// Get GUI center (1 = width, 1 = height, 0 = center)
virtual void getInterface2DShift(uint cid, float &x, float &y, float distance) const;
/// Set the head model, eye position relative to orientation point
virtual void setEyePosition(const NLMISC::CVector &v);
/// Get the head model, eye position relative to orientation point
virtual const NLMISC::CVector &getEyePosition() const;
/// Set the scale of the game in units per meter
virtual void setScale(float s);
/// Calculates internal camera information based on the reference camera
void initCamera(uint cid, const NL3D::UCamera *camera);
/// Render GUI
void renderGUI();
/// Checks if the device used by this class was actually created
bool isDeviceCreated();
static void listDevices(std::vector &devicesOut);
static bool isLibraryInUse();
static void releaseLibrary();
private:
ovrHmd m_DevicePtr;
bool m_DebugDevice;
int m_Stage;
int m_SubStage;
CViewport m_RegularViewport;
CViewport m_EyeViewport[NL_OVR_EYE_COUNT];
CFrustum m_EyeFrustumBase[NL_OVR_EYE_COUNT];
uint m_RenderTargetWidth;
uint m_RenderTargetHeight;
NLMISC::CVector2f m_EyeUVScaleOffset[NL_OVR_EYE_COUNT][2];
float m_EyeViewAdjustX[NL_OVR_EYE_COUNT];
CVertexBuffer m_VB[NL_OVR_EYE_COUNT];
CIndexBuffer m_IB[NL_OVR_EYE_COUNT];
uint32 m_NbTris[NL_OVR_EYE_COUNT];
CFrustum m_ClippingFrustum[NL_STEREO_MAX_USER_CAMERAS];
CFrustum m_LeftFrustum[NL_STEREO_MAX_USER_CAMERAS];
CFrustum m_RightFrustum[NL_STEREO_MAX_USER_CAMERAS];
CFrustum m_OriginalFrustum[NL_STEREO_MAX_USER_CAMERAS];
CMatrix m_CameraMatrix[NL_STEREO_MAX_USER_CAMERAS];
CMatrix m_InterfaceCameraMatrix;
mutable bool m_OrientationCached;
mutable NLMISC::CQuat m_OrientationCache;
UDriver *m_Driver;
CTextureUser *m_GUITexture;
NL3D::CTextureUser *m_SceneTexture;
UMaterial m_UnlitMat;
UDriver::CMode m_OriginalMode;
sint32 m_OriginalWinPosX;
sint32 m_OriginalWinPosY;
bool m_AttachedDisplay;
/*
NL3D::UMaterial m_BarrelMat;
NLMISC::CQuadUV m_BarrelQuadLeft;
NLMISC::CQuadUV m_BarrelQuadRight;
NLMISC::CRefPtr m_PixelProgram;*/
NLMISC::CVector m_EyePosition;
float m_Scale;
}; /* class CStereoOVR */
} /* namespace NL3D */
#endif /* HAVE_LIBOVR */
#endif /* #ifndef NL3D_STEREO_OVR_04_H */
/* end of file */