Thibaut Girka
11 years ago
parent
7782576dfc
commit
ea8a845ab9
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# - Locate LibVR library
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# This module defines
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# LIBVR_LIBRARIES, the libraries to link against
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# LIBVR_FOUND, if false, do not try to link to LIBVR
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# LIBVR_INCLUDE_DIR, where to find headers.
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IF(LIBVR_LIBRARIES AND LIBVR_INCLUDE_DIR)
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# in cache already
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SET(LIBVR_FIND_QUIETLY TRUE)
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ENDIF(LIBVR_LIBRARIES AND LIBVR_INCLUDE_DIR)
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FIND_PATH(LIBVR_INCLUDE_DIR hmd.h
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PATH_SUFFIXES include/LibVR
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)
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FIND_LIBRARY(LIBVR_LIBRARY
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NAMES vr
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PATH_SUFFIXES lib
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PATHS
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)
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IF(LIBVR_LIBRARY AND LIBVR_INCLUDE_DIR)
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IF(NOT LIBVR_FIND_QUIETLY)
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MESSAGE(STATUS "Found LibVR: ${LIBVR_LIBRARY}")
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ENDIF(NOT LIBVR_FIND_QUIETLY)
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SET(LIBVR_FOUND "YES")
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SET(LIBVR_DEFINITIONS "-DHAVE_LIBVR")
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ELSE(LIBVR_LIBRARY AND LIBVR_INCLUDE_DIR)
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IF(NOT LIBVR_FIND_QUIETLY)
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MESSAGE(STATUS "Warning: Unable to find LibVR!")
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ENDIF(NOT LIBVR_FIND_QUIETLY)
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ENDIF(LIBVR_LIBRARY AND LIBVR_INCLUDE_DIR)
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@ -0,0 +1,160 @@
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/**
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* \file stereo_libvr.h
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* \brief CStereoLibVR
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* \date 2013-08-19 19:17MT
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* \author Thibaut Girka (ThibG)
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* CStereoLibVR
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*/
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/*
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* Copyright (C) 2013 by authors
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*
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* This file is part of NL3D.
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* NL3D is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* NL3D is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
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* Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with NL3D. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef NL3D_STEREO_LIBVR_H
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#define NL3D_STEREO_LIBVR_H
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#ifdef HAVE_LIBVR
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#include <nel/misc/types_nl.h>
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// STL includes
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// NeL includes
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#include <nel/misc/smart_ptr.h>
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#include <nel/misc/geom_ext.h>
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// Project includes
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#include <nel/3d/stereo_hmd.h>
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#include <nel/3d/frustum.h>
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#include <nel/3d/viewport.h>
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#include <nel/3d/u_material.h>
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namespace NL3D {
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class ITexture;
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class CTextureUser;
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class CStereoLibVRDevicePtr;
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class CStereoLibVRDeviceHandle;
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class CPixelProgram;
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#define NL_STEREO_MAX_USER_CAMERAS 8
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/**
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* \brief CStereoOVR
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* \date 2013-06-25 22:22GMT
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* \author Jan Boon (Kaetemi)
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* CStereoOVR
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*/
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class CStereoLibVR : public IStereoHMD
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{
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public:
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CStereoLibVR(const CStereoLibVRDeviceHandle *handle);
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virtual ~CStereoLibVR();
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/// Sets driver and generates necessary render targets
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virtual void setDriver(NL3D::UDriver *driver);
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/// Gets the required screen resolution for this device
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virtual bool getScreenResolution(uint &width, uint &height);
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/// Set latest camera position etcetera
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virtual void updateCamera(uint cid, const NL3D::UCamera *camera);
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/// Get the frustum to use for clipping
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virtual void getClippingFrustum(uint cid, NL3D::UCamera *camera) const;
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/// Is there a next pass
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virtual bool nextPass();
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/// Gets the current viewport
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virtual const NL3D::CViewport &getCurrentViewport() const;
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/// Gets the current camera frustum
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virtual const NL3D::CFrustum &getCurrentFrustum(uint cid) const;
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/// Gets the current camera frustum
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virtual void getCurrentFrustum(uint cid, NL3D::UCamera *camera) const;
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/// Gets the current camera matrix
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virtual void getCurrentMatrix(uint cid, NL3D::UCamera *camera) const;
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/// At the start of a new render target
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virtual bool wantClear();
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/// The 3D scene
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virtual bool wantScene();
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/// Interface within the 3D scene
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virtual bool wantInterface3D();
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/// 2D Interface
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virtual bool wantInterface2D();
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/// Returns true if a new render target was set, always fase if not using render targets
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virtual bool beginRenderTarget();
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/// Returns true if a render target was fully drawn, always false if not using render targets
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virtual bool endRenderTarget();
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/// Get the HMD orientation
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virtual NLMISC::CQuat getOrientation() const;
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/// Get GUI center (1 = width, 1 = height, 0 = center)
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virtual void getInterface2DShift(uint cid, float &x, float &y, float distance) const;
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/// Set the head model, eye position relative to orientation point
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virtual void setEyePosition(const NLMISC::CVector &v);
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/// Get the head model, eye position relative to orientation point
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virtual const NLMISC::CVector &getEyePosition() const;
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/// Set the scale of the game in units per meter
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virtual void setScale(float s);
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static void listDevices(std::vector<CStereoDeviceInfo> &devicesOut);
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static bool isLibraryInUse();
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static void releaseLibrary();
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/// Calculates internal camera information based on the reference camera
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void initCamera(uint cid, const NL3D::UCamera *camera);
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/// Checks if the device used by this class was actually created
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bool isDeviceCreated();
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private:
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CStereoLibVRDevicePtr *m_DevicePtr;
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int m_Stage;
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int m_SubStage;
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CViewport m_LeftViewport;
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CViewport m_RightViewport;
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CFrustum m_ClippingFrustum[NL_STEREO_MAX_USER_CAMERAS];
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CFrustum m_LeftFrustum[NL_STEREO_MAX_USER_CAMERAS];
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CFrustum m_RightFrustum[NL_STEREO_MAX_USER_CAMERAS];
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CMatrix m_CameraMatrix[NL_STEREO_MAX_USER_CAMERAS];
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mutable bool m_OrientationCached;
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mutable NLMISC::CQuat m_OrientationCache;
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UDriver *m_Driver;
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NLMISC::CSmartPtr<NL3D::ITexture> m_BarrelTex;
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NL3D::CTextureUser *m_BarrelTexU;
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NL3D::UMaterial m_BarrelMat;
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NLMISC::CQuadUV m_BarrelQuadLeft;
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NLMISC::CQuadUV m_BarrelQuadRight;
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CPixelProgram *m_PixelProgram;
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NLMISC::CVector m_EyePosition;
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float m_Scale;
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}; /* class CStereoLibVR */
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} /* namespace NL3D */
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#endif /* HAVE_LIBVR */
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#endif /* #ifndef NL3D_STEREO_LIBVR_H */
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/* end of file */
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@ -0,0 +1,642 @@
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/**
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* \file stereo_libvr.cpp
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* \brief CStereoLibVR
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* \date 2013-08-19 19:17MT
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* \author Thibaut Girka (ThibG)
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* CStereoLibVR
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*/
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/*
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* Copyright (C) 2013 by authors
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*
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* This file is part of NL3D.
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* NL3D is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* NL3D is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General
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* Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with NL3D. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_LIBVR
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#include <nel/misc/types_nl.h>
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#include <nel/misc/time_nl.h>
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#include <nel/3d/stereo_libvr.h>
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// STL includes
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#include <sstream>
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// External includes
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extern "C" {
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#include <hmd.h>
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}
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// NeL includes
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// #include <nel/misc/debug.h>
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#include <nel/3d/u_camera.h>
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#include <nel/3d/u_driver.h>
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#include <nel/3d/material.h>
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#include <nel/3d/texture_bloom.h>
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#include <nel/3d/texture_user.h>
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#include <nel/3d/driver_user.h>
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#include <nel/3d/u_texture.h>
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// Project includes
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using namespace std;
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// using namespace NLMISC;
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namespace NL3D {
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extern const char *g_StereoOVR_fp40; //TODO: what?
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extern const char *g_StereoOVR_arbfp1; //TODO: what?
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extern const char *g_StereoOVR_ps_2_0; //TODO: what?
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namespace {
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sint s_DeviceCounter = 0;
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};
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class CStereoLibVRDeviceHandle : public IStereoDeviceFactory
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{
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public:
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// fixme: virtual destructor???
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IStereoDisplay *createDevice() const
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{
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CStereoLibVR *stereo = new CStereoLibVR(this);
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if (stereo->isDeviceCreated())
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return stereo;
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delete stereo;
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return NULL;
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}
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};
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class CStereoLibVRDevicePtr
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{
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public:
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struct hmd *HMDDevice;
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struct display_info HMDInfo;
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float InterpupillaryDistance;
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};
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CStereoLibVR::CStereoLibVR(const CStereoLibVRDeviceHandle *handle) : m_Stage(0), m_SubStage(0), m_OrientationCached(false), m_Driver(NULL), m_BarrelTexU(NULL), m_PixelProgram(NULL), m_EyePosition(0.0f, 0.09f, 0.15f), m_Scale(1.0f)
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{
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struct stereo_config st_conf;
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++s_DeviceCounter;
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// For now, LibVR doesn't support multiple devices...
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m_DevicePtr = new CStereoLibVRDevicePtr();
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m_DevicePtr->HMDDevice = hmd_open_first(0);
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m_DevicePtr->InterpupillaryDistance = 0.0647; //TODO
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if (m_DevicePtr->HMDDevice)
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{
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hmd_get_display_info(m_DevicePtr->HMDDevice, &m_DevicePtr->HMDInfo);
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hmd_get_stereo_config(m_DevicePtr->HMDDevice, &st_conf);
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nldebug("LibVR: HScreenSize: %f, VScreenSize: %f", m_DevicePtr->HMDInfo.h_screen_size, m_DevicePtr->HMDInfo.v_screen_size);
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nldebug("LibVR: VScreenCenter: %f", m_DevicePtr->HMDInfo.v_center);
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nldebug("LibVR: EyeToScreenDistance: %f", m_DevicePtr->HMDInfo.eye_to_screen[0]);
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nldebug("LibVR: LensSeparationDistance: %f", m_DevicePtr->HMDInfo.lens_separation);
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nldebug("LibVR: HResolution: %i, VResolution: %i", m_DevicePtr->HMDInfo.h_resolution, m_DevicePtr->HMDInfo.v_resolution);
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nldebug("LibVR: DistortionK[0]: %f, DistortionK[1]: %f", m_DevicePtr->HMDInfo.distortion_k[0], m_DevicePtr->HMDInfo.distortion_k[1]);
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nldebug("LibVR: DistortionK[2]: %f, DistortionK[3]: %f", m_DevicePtr->HMDInfo.distortion_k[2], m_DevicePtr->HMDInfo.distortion_k[3]);
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nldebug("LibVR: Scale: %f", st_conf.distort.scale);
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m_LeftViewport.init(0.f, 0.f, 0.5f, 1.0f);
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m_RightViewport.init(0.5f, 0.f, 0.5f, 1.0f);
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}
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}
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CStereoLibVR::~CStereoLibVR()
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{
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if (!m_BarrelMat.empty())
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{
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m_BarrelMat.getObjectPtr()->setTexture(0, NULL);
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m_Driver->deleteMaterial(m_BarrelMat);
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}
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delete m_BarrelTexU;
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m_BarrelTexU = NULL;
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m_BarrelTex = NULL; // CSmartPtr
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delete m_PixelProgram;
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m_PixelProgram = NULL;
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m_Driver = NULL;
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if (m_DevicePtr->HMDDevice)
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hmd_close(m_DevicePtr->HMDDevice);
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delete m_DevicePtr;
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m_DevicePtr = NULL;
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--s_DeviceCounter;
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}
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void CStereoLibVR::setDriver(NL3D::UDriver *driver)
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{
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nlassert(!m_PixelProgram);
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NL3D::IDriver *drvInternal = (static_cast<CDriverUser *>(driver))->getDriver();
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if (drvInternal->supportPixelProgram(CPixelProgram::fp40) && drvInternal->supportBloomEffect() && drvInternal->supportNonPowerOfTwoTextures())
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{
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nldebug("VR: fp40");
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m_PixelProgram = new CPixelProgram(g_StereoOVR_fp40);
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}
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else if (drvInternal->supportPixelProgram(CPixelProgram::arbfp1) && drvInternal->supportBloomEffect() && drvInternal->supportNonPowerOfTwoTextures())
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{
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nldebug("VR: arbfp1");
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m_PixelProgram = new CPixelProgram(g_StereoOVR_arbfp1);
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}
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else if (drvInternal->supportPixelProgram(CPixelProgram::ps_2_0))
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{
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nldebug("VR: ps_2_0");
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m_PixelProgram = new CPixelProgram(g_StereoOVR_ps_2_0);
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}
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if (m_PixelProgram)
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{
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m_Driver = driver;
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m_BarrelTex = new CTextureBloom(); // lol bloom
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m_BarrelTex->setRenderTarget(true);
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m_BarrelTex->setReleasable(false);
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m_BarrelTex->resize(m_DevicePtr->HMDInfo.h_resolution, m_DevicePtr->HMDInfo.v_resolution);
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m_BarrelTex->setFilterMode(ITexture::Linear, ITexture::LinearMipMapOff);
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m_BarrelTex->setWrapS(ITexture::Clamp);
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m_BarrelTex->setWrapT(ITexture::Clamp);
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||||||
|
drvInternal->setupTexture(*m_BarrelTex);
|
||||||
|
m_BarrelTexU = new CTextureUser(m_BarrelTex);
|
||||||
|
|
||||||
|
m_BarrelMat = m_Driver->createMaterial();
|
||||||
|
m_BarrelMat.initUnlit();
|
||||||
|
m_BarrelMat.setColor(CRGBA::White);
|
||||||
|
m_BarrelMat.setBlend (false);
|
||||||
|
m_BarrelMat.setAlphaTest (false);
|
||||||
|
NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
|
||||||
|
barrelMat->setShader(NL3D::CMaterial::PostProcessing);
|
||||||
|
barrelMat->setBlendFunc(CMaterial::one, CMaterial::zero);
|
||||||
|
barrelMat->setZWrite(false);
|
||||||
|
barrelMat->setZFunc(CMaterial::always);
|
||||||
|
barrelMat->setDoubleSided(true);
|
||||||
|
barrelMat->setTexture(0, m_BarrelTex);
|
||||||
|
|
||||||
|
m_BarrelQuadLeft.V0 = CVector(0.f, 0.f, 0.5f);
|
||||||
|
m_BarrelQuadLeft.V1 = CVector(0.5f, 0.f, 0.5f);
|
||||||
|
m_BarrelQuadLeft.V2 = CVector(0.5f, 1.f, 0.5f);
|
||||||
|
m_BarrelQuadLeft.V3 = CVector(0.f, 1.f, 0.5f);
|
||||||
|
|
||||||
|
m_BarrelQuadRight.V0 = CVector(0.5f, 0.f, 0.5f);
|
||||||
|
m_BarrelQuadRight.V1 = CVector(1.f, 0.f, 0.5f);
|
||||||
|
m_BarrelQuadRight.V2 = CVector(1.f, 1.f, 0.5f);
|
||||||
|
m_BarrelQuadRight.V3 = CVector(0.5f, 1.f, 0.5f);
|
||||||
|
|
||||||
|
nlassert(!drvInternal->isTextureRectangle(m_BarrelTex)); // not allowed
|
||||||
|
|
||||||
|
m_BarrelQuadLeft.Uv0 = CUV(0.f, 0.f);
|
||||||
|
m_BarrelQuadLeft.Uv1 = CUV(0.5f, 0.f);
|
||||||
|
m_BarrelQuadLeft.Uv2 = CUV(0.5f, 1.f);
|
||||||
|
m_BarrelQuadLeft.Uv3 = CUV(0.f, 1.f);
|
||||||
|
|
||||||
|
m_BarrelQuadRight.Uv0 = CUV(0.5f, 0.f);
|
||||||
|
m_BarrelQuadRight.Uv1 = CUV(1.f, 0.f);
|
||||||
|
m_BarrelQuadRight.Uv2 = CUV(1.f, 1.f);
|
||||||
|
m_BarrelQuadRight.Uv3 = CUV(0.5f, 1.f);
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
nlwarning("VR: No pixel program support");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bool CStereoLibVR::getScreenResolution(uint &width, uint &height)
|
||||||
|
{
|
||||||
|
width = m_DevicePtr->HMDInfo.h_resolution;
|
||||||
|
height = m_DevicePtr->HMDInfo.v_resolution;
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
|
||||||
|
void CStereoLibVR::initCamera(uint cid, const NL3D::UCamera *camera)
|
||||||
|
{
|
||||||
|
struct stereo_config st_conf;
|
||||||
|
hmd_get_stereo_config(m_DevicePtr->HMDDevice, &st_conf);
|
||||||
|
|
||||||
|
float ar = st_conf.proj.aspect_ratio;
|
||||||
|
float fov = st_conf.proj.yfov;
|
||||||
|
m_LeftFrustum[cid].initPerspective(fov, ar, camera->getFrustum().Near, camera->getFrustum().Far);
|
||||||
|
m_RightFrustum[cid] = m_LeftFrustum[cid];
|
||||||
|
|
||||||
|
float projectionCenterOffset = st_conf.proj.projection_offset * 0.5 * (m_LeftFrustum[cid].Right - m_LeftFrustum[cid].Left);
|
||||||
|
nldebug("LibVR: projectionCenterOffset = %f", projectionCenterOffset);
|
||||||
|
|
||||||
|
m_LeftFrustum[cid].Left -= projectionCenterOffset;
|
||||||
|
m_LeftFrustum[cid].Right -= projectionCenterOffset;
|
||||||
|
m_RightFrustum[cid].Left += projectionCenterOffset;
|
||||||
|
m_RightFrustum[cid].Right += projectionCenterOffset;
|
||||||
|
|
||||||
|
// TODO: Clipping frustum should also take into account the IPD
|
||||||
|
m_ClippingFrustum[cid] = m_LeftFrustum[cid];
|
||||||
|
m_ClippingFrustum[cid].Left = min(m_LeftFrustum[cid].Left, m_RightFrustum[cid].Left);
|
||||||
|
m_ClippingFrustum[cid].Right = max(m_LeftFrustum[cid].Right, m_RightFrustum[cid].Right);
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Get the frustum to use for clipping
|
||||||
|
void CStereoLibVR::getClippingFrustum(uint cid, NL3D::UCamera *camera) const
|
||||||
|
{
|
||||||
|
camera->setFrustum(m_ClippingFrustum[cid]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void CStereoLibVR::updateCamera(uint cid, const NL3D::UCamera *camera)
|
||||||
|
{
|
||||||
|
if (camera->getFrustum().Near != m_LeftFrustum[cid].Near
|
||||||
|
|| camera->getFrustum().Far != m_LeftFrustum[cid].Far)
|
||||||
|
CStereoLibVR::initCamera(cid, camera);
|
||||||
|
m_CameraMatrix[cid] = camera->getMatrix();
|
||||||
|
}
|
||||||
|
|
||||||
|
bool CStereoLibVR::nextPass()
|
||||||
|
{
|
||||||
|
// Do not allow weird stuff.
|
||||||
|
uint32 width, height;
|
||||||
|
m_Driver->getWindowSize(width, height);
|
||||||
|
nlassert(width == m_DevicePtr->HMDInfo.h_resolution);
|
||||||
|
nlassert(height == m_DevicePtr->HMDInfo.v_resolution);
|
||||||
|
|
||||||
|
if (m_Driver->getPolygonMode() == UDriver::Filled)
|
||||||
|
{
|
||||||
|
switch (m_Stage)
|
||||||
|
{
|
||||||
|
case 0:
|
||||||
|
++m_Stage;
|
||||||
|
m_SubStage = 0;
|
||||||
|
// stage 1:
|
||||||
|
// (initBloom)
|
||||||
|
// clear buffer
|
||||||
|
// draw scene left
|
||||||
|
return true;
|
||||||
|
case 1:
|
||||||
|
++m_Stage;
|
||||||
|
m_SubStage = 0;
|
||||||
|
// stage 2:
|
||||||
|
// draw scene right
|
||||||
|
return true;
|
||||||
|
case 2:
|
||||||
|
++m_Stage;
|
||||||
|
m_SubStage = 0;
|
||||||
|
// stage 3:
|
||||||
|
// (endBloom)
|
||||||
|
// draw interface 3d left
|
||||||
|
return true;
|
||||||
|
case 3:
|
||||||
|
++m_Stage;
|
||||||
|
m_SubStage = 0;
|
||||||
|
// stage 4:
|
||||||
|
// draw interface 3d right
|
||||||
|
return true;
|
||||||
|
case 4:
|
||||||
|
++m_Stage;
|
||||||
|
m_SubStage = 0;
|
||||||
|
// stage 5:
|
||||||
|
// (endInterfacesDisplayBloom)
|
||||||
|
// draw interface 2d left
|
||||||
|
return true;
|
||||||
|
case 5:
|
||||||
|
++m_Stage;
|
||||||
|
m_SubStage = 0;
|
||||||
|
// stage 6:
|
||||||
|
// draw interface 2d right
|
||||||
|
return true;
|
||||||
|
case 6:
|
||||||
|
m_Stage = 0;
|
||||||
|
m_SubStage = 0;
|
||||||
|
// present
|
||||||
|
m_OrientationCached = false;
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
switch (m_Stage)
|
||||||
|
{
|
||||||
|
case 0:
|
||||||
|
++m_Stage;
|
||||||
|
m_SubStage = 0;
|
||||||
|
return true;
|
||||||
|
case 1:
|
||||||
|
m_Stage = 0;
|
||||||
|
m_SubStage = 0;
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
nlerror("Invalid stage");
|
||||||
|
m_Stage = 0;
|
||||||
|
m_SubStage = 0;
|
||||||
|
m_OrientationCached = false;
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
const NL3D::CViewport &CStereoLibVR::getCurrentViewport() const
|
||||||
|
{
|
||||||
|
if (m_Stage % 2) return m_LeftViewport;
|
||||||
|
else return m_RightViewport;
|
||||||
|
}
|
||||||
|
|
||||||
|
const NL3D::CFrustum &CStereoLibVR::getCurrentFrustum(uint cid) const
|
||||||
|
{
|
||||||
|
if (m_Stage % 2) return m_LeftFrustum[cid];
|
||||||
|
else return m_RightFrustum[cid];
|
||||||
|
}
|
||||||
|
|
||||||
|
void CStereoLibVR::getCurrentFrustum(uint cid, NL3D::UCamera *camera) const
|
||||||
|
{
|
||||||
|
if (m_Stage % 2) camera->setFrustum(m_LeftFrustum[cid]);
|
||||||
|
else camera->setFrustum(m_RightFrustum[cid]);
|
||||||
|
}
|
||||||
|
|
||||||
|
void CStereoLibVR::getCurrentMatrix(uint cid, NL3D::UCamera *camera) const
|
||||||
|
{
|
||||||
|
CMatrix translate;
|
||||||
|
if (m_Stage % 2) translate.translate(CVector((m_DevicePtr->InterpupillaryDistance * m_Scale) * -0.5f, 0.f, 0.f));
|
||||||
|
else translate.translate(CVector((m_DevicePtr->InterpupillaryDistance * m_Scale) * 0.5f, 0.f, 0.f));
|
||||||
|
CMatrix mat = m_CameraMatrix[cid] * translate;
|
||||||
|
if (camera->getTransformMode() == NL3D::UTransformable::RotQuat)
|
||||||
|
{
|
||||||
|
camera->setPos(mat.getPos());
|
||||||
|
camera->setRotQuat(mat.getRot());
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
// camera->setTransformMode(NL3D::UTransformable::DirectMatrix);
|
||||||
|
camera->setMatrix(mat);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bool CStereoLibVR::wantClear()
|
||||||
|
{
|
||||||
|
switch (m_Stage)
|
||||||
|
{
|
||||||
|
case 1:
|
||||||
|
m_SubStage = 1;
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
return m_Driver->getPolygonMode() != UDriver::Filled;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool CStereoLibVR::wantScene()
|
||||||
|
{
|
||||||
|
switch (m_Stage)
|
||||||
|
{
|
||||||
|
case 1:
|
||||||
|
case 2:
|
||||||
|
m_SubStage = 2;
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
return m_Driver->getPolygonMode() != UDriver::Filled;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool CStereoLibVR::wantInterface3D()
|
||||||
|
{
|
||||||
|
switch (m_Stage)
|
||||||
|
{
|
||||||
|
case 3:
|
||||||
|
case 4:
|
||||||
|
m_SubStage = 3;
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
return m_Driver->getPolygonMode() != UDriver::Filled;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool CStereoLibVR::wantInterface2D()
|
||||||
|
{
|
||||||
|
switch (m_Stage)
|
||||||
|
{
|
||||||
|
case 5:
|
||||||
|
case 6:
|
||||||
|
m_SubStage = 4;
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
return m_Driver->getPolygonMode() != UDriver::Filled;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
/// Returns non-NULL if a new render target was set
|
||||||
|
bool CStereoLibVR::beginRenderTarget()
|
||||||
|
{
|
||||||
|
// render target always set before driver clear
|
||||||
|
// nlassert(m_SubStage <= 1);
|
||||||
|
if (m_Driver && m_Stage == 1 && (m_Driver->getPolygonMode() == UDriver::Filled))
|
||||||
|
{
|
||||||
|
static_cast<CDriverUser *>(m_Driver)->setRenderTarget(*m_BarrelTexU, 0, 0, 0, 0);
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Returns true if a render target was fully drawn
|
||||||
|
bool CStereoLibVR::endRenderTarget()
|
||||||
|
{
|
||||||
|
// after rendering of course
|
||||||
|
// nlassert(m_SubStage > 1);
|
||||||
|
if (m_Driver && m_Stage == 6 && (m_Driver->getPolygonMode() == UDriver::Filled)) // set to 4 to turn off distortion of 2d gui
|
||||||
|
{
|
||||||
|
struct stereo_config st_conf;
|
||||||
|
hmd_get_stereo_config(m_DevicePtr->HMDDevice, &st_conf);
|
||||||
|
CTextureUser cu;
|
||||||
|
(static_cast<CDriverUser *>(m_Driver))->setRenderTarget(cu);
|
||||||
|
bool fogEnabled = m_Driver->fogEnabled();
|
||||||
|
m_Driver->enableFog(false);
|
||||||
|
|
||||||
|
m_Driver->setMatrixMode2D11();
|
||||||
|
CViewport vp = CViewport();
|
||||||
|
m_Driver->setViewport(vp);
|
||||||
|
uint32 width, height;
|
||||||
|
m_Driver->getWindowSize(width, height);
|
||||||
|
NL3D::IDriver *drvInternal = (static_cast<CDriverUser *>(m_Driver))->getDriver();
|
||||||
|
NL3D::CMaterial *barrelMat = m_BarrelMat.getObjectPtr();
|
||||||
|
barrelMat->setTexture(0, m_BarrelTex);
|
||||||
|
drvInternal->activePixelProgram(m_PixelProgram);
|
||||||
|
|
||||||
|
float w = float(m_BarrelQuadLeft.V1.x),// / float(width),
|
||||||
|
h = float(m_BarrelQuadLeft.V2.y),// / float(height),
|
||||||
|
x = float(m_BarrelQuadLeft.V0.x),/// / float(width),
|
||||||
|
y = float(m_BarrelQuadLeft.V0.y);// / float(height);
|
||||||
|
|
||||||
|
//TODO: stereo_config stuff
|
||||||
|
float lensViewportShift = st_conf.proj.projection_offset;
|
||||||
|
|
||||||
|
float lensCenterX = x + (w + lensViewportShift * 0.5f) * 0.5f;
|
||||||
|
float lensCenterY = y + h * 0.5f;
|
||||||
|
float screenCenterX = x + w * 0.5f;
|
||||||
|
float screenCenterY = y + h * 0.5f;
|
||||||
|
float scaleX = (w / 2 / st_conf.distort.scale);
|
||||||
|
float scaleY = (h / 2 / st_conf.distort.scale);
|
||||||
|
float scaleInX = (2 / w);
|
||||||
|
float scaleInY = (2 / h);
|
||||||
|
drvInternal->setPixelProgramConstant(0, lensCenterX, lensCenterY, 0.f, 0.f);
|
||||||
|
drvInternal->setPixelProgramConstant(1, screenCenterX, screenCenterY, 0.f, 0.f);
|
||||||
|
drvInternal->setPixelProgramConstant(2, scaleX, scaleY, 0.f, 0.f);
|
||||||
|
drvInternal->setPixelProgramConstant(3, scaleInX, scaleInY, 0.f, 0.f);
|
||||||
|
drvInternal->setPixelProgramConstant(4, 1, st_conf.distort.distortion_k);
|
||||||
|
|
||||||
|
|
||||||
|
m_Driver->drawQuad(m_BarrelQuadLeft, m_BarrelMat);
|
||||||
|
|
||||||
|
x = w;
|
||||||
|
lensCenterX = x + (w - lensViewportShift * 0.5f) * 0.5f;
|
||||||
|
screenCenterX = x + w * 0.5f;
|
||||||
|
drvInternal->setPixelProgramConstant(0, lensCenterX, lensCenterY, 0.f, 0.f);
|
||||||
|
drvInternal->setPixelProgramConstant(1, screenCenterX, screenCenterY, 0.f, 0.f);
|
||||||
|
|
||||||
|
m_Driver->drawQuad(m_BarrelQuadRight, m_BarrelMat);
|
||||||
|
|
||||||
|
drvInternal->activePixelProgram(NULL);
|
||||||
|
m_Driver->enableFog(fogEnabled);
|
||||||
|
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
|
||||||
|
NLMISC::CQuat CStereoLibVR::getOrientation() const
|
||||||
|
{
|
||||||
|
if (m_OrientationCached)
|
||||||
|
return m_OrientationCache;
|
||||||
|
|
||||||
|
unsigned int t = NLMISC::CTime::getLocalTime();
|
||||||
|
hmd_update(m_DevicePtr->HMDDevice, &t);
|
||||||
|
|
||||||
|
float quat[4];
|
||||||
|
hmd_get_rotation(m_DevicePtr->HMDDevice, quat);
|
||||||
|
NLMISC::CMatrix coordsys;
|
||||||
|
float csys[] = {
|
||||||
|
1.0f, 0.0f, 0.0f, 0.0f,
|
||||||
|
0.0f, 0.0f, -1.0f, 0.0f,
|
||||||
|
0.0f, 1.0f, 0.0f, 0.0f,
|
||||||
|
0.0f, 0.0f, 0.0f, 1.0f,
|
||||||
|
};
|
||||||
|
coordsys.set(csys);
|
||||||
|
NLMISC::CMatrix matovr;
|
||||||
|
matovr.setRot(NLMISC::CQuat(quat[1], quat[2], quat[3], quat[0]));
|
||||||
|
NLMISC::CMatrix matr;
|
||||||
|
matr.rotateX(NLMISC::Pi * 0.5f); // fix this properly... :) (note: removing this allows you to use rift while lying down)
|
||||||
|
NLMISC::CMatrix matnel = matr * matovr * coordsys;
|
||||||
|
NLMISC::CQuat finalquat = matnel.getRot();
|
||||||
|
m_OrientationCache = finalquat;
|
||||||
|
m_OrientationCached = true;
|
||||||
|
return finalquat;
|
||||||
|
}
|
||||||
|
|
||||||
|
/// Get GUI shift
|
||||||
|
void CStereoLibVR::getInterface2DShift(uint cid, float &x, float &y, float distance) const
|
||||||
|
{
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||||||
|
#if 0
|
||||||
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||||||
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// todo: take into account m_EyePosition
|
||||||
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|
||||||
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NLMISC::CVector vector = CVector(0.f, -distance, 0.f);
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||||||
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NLMISC::CQuat rot = getOrientation();
|
||||||
|
rot.invert();
|
||||||
|
NLMISC::CMatrix mat;
|
||||||
|
mat.rotate(rot);
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||||||
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//if (m_Stage % 2) mat.translate(CVector(m_DevicePtr->HMDInfo.InterpupillaryDistance * -0.5f, 0.f, 0.f));
|
||||||
|
//else mat.translate(CVector(m_DevicePtr->HMDInfo.InterpupillaryDistance * 0.5f, 0.f, 0.f));
|
||||||
|
mat.translate(vector);
|
||||||
|
CVector proj = CStereoOVR::getCurrentFrustum(cid).project(mat.getPos());
|
||||||
|
|
||||||
|
NLMISC::CVector ipd;
|
||||||
|
if (m_Stage % 2) ipd = CVector(m_DevicePtr->HMDInfo.InterpupillaryDistance * -0.5f, 0.f, 0.f);
|
||||||
|
else ipd = CVector(m_DevicePtr->HMDInfo.InterpupillaryDistance * 0.5f, 0.f, 0.f);
|
||||||
|
CVector projipd = CStereoOVR::getCurrentFrustum(cid).project(vector + ipd);
|
||||||
|
CVector projvec = CStereoOVR::getCurrentFrustum(cid).project(vector);
|
||||||
|
|
||||||
|
x = (proj.x + projipd.x - projvec.x - 0.5f);
|
||||||
|
y = (proj.y + projipd.y - projvec.y - 0.5f);
|
||||||
|
|
||||||
|
#elif 1
|
||||||
|
|
||||||
|
// Alternative method
|
||||||
|
// todo: take into account m_EyePosition
|
||||||
|
|
||||||
|
NLMISC::CVector vec = CVector(0.f, -distance, 0.f);
|
||||||
|
NLMISC::CVector ipd;
|
||||||
|
if (m_Stage % 2) ipd = CVector((m_DevicePtr->InterpupillaryDistance * m_Scale) * -0.5f, 0.f, 0.f);
|
||||||
|
else ipd = CVector((m_DevicePtr->InterpupillaryDistance * m_Scale) * 0.5f, 0.f, 0.f);
|
||||||
|
|
||||||
|
|
||||||
|
NLMISC::CQuat rot = getOrientation();
|
||||||
|
NLMISC::CQuat modrot = NLMISC::CQuat(CVector(0.f, 1.f, 0.f), NLMISC::Pi);
|
||||||
|
rot = rot * modrot;
|
||||||
|
float p = NLMISC::Pi + atan2f(2.0f * ((rot.x * rot.y) + (rot.z * rot.w)), 1.0f - 2.0f * ((rot.y * rot.y) + (rot.w * rot.w)));
|
||||||
|
if (p > NLMISC::Pi) p -= NLMISC::Pi * 2.0f;
|
||||||
|
float t = -atan2f(2.0f * ((rot.x * rot.w) + (rot.y * rot.z)), 1.0f - 2.0f * ((rot.z * rot.z) + (rot.w * rot.w)));// // asinf(2.0f * ((rot.x * rot.z) - (rot.w * rot.y)));
|
||||||
|
|
||||||
|
CVector rotshift = CVector(p, 0.f, t) * -distance;
|
||||||
|
|
||||||
|
CVector proj = CStereoLibVR::getCurrentFrustum(cid).project(vec + ipd + rotshift);
|
||||||
|
|
||||||
|
x = (proj.x - 0.5f);
|
||||||
|
y = (proj.y - 0.5f);
|
||||||
|
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
void CStereoLibVR::setEyePosition(const NLMISC::CVector &v)
|
||||||
|
{
|
||||||
|
m_EyePosition = v;
|
||||||
|
}
|
||||||
|
|
||||||
|
const NLMISC::CVector &CStereoLibVR::getEyePosition() const
|
||||||
|
{
|
||||||
|
return m_EyePosition;
|
||||||
|
}
|
||||||
|
|
||||||
|
void CStereoLibVR::setScale(float s)
|
||||||
|
{
|
||||||
|
m_EyePosition = m_EyePosition * (s / m_Scale);
|
||||||
|
m_Scale = s;
|
||||||
|
}
|
||||||
|
|
||||||
|
void CStereoLibVR::listDevices(std::vector<CStereoDeviceInfo> &devicesOut)
|
||||||
|
{
|
||||||
|
// For now, LibVR doesn't support multiple devices
|
||||||
|
struct hmd *hmd = hmd_open_first(0);
|
||||||
|
if (hmd)
|
||||||
|
{
|
||||||
|
CStereoDeviceInfo deviceInfoOut;
|
||||||
|
CStereoLibVRDeviceHandle *handle = new CStereoLibVRDeviceHandle();
|
||||||
|
deviceInfoOut.Factory = static_cast<IStereoDeviceFactory *>(handle);
|
||||||
|
deviceInfoOut.Class = CStereoDeviceInfo::StereoHMD;
|
||||||
|
deviceInfoOut.Library = CStereoDeviceInfo::LibVR;
|
||||||
|
//TODO: manufacturer, produc name
|
||||||
|
//TODO: serial
|
||||||
|
devicesOut.push_back(deviceInfoOut);
|
||||||
|
hmd_close(hmd);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bool CStereoLibVR::isLibraryInUse()
|
||||||
|
{
|
||||||
|
nlassert(s_DeviceCounter >= 0);
|
||||||
|
return s_DeviceCounter > 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
void CStereoLibVR::releaseLibrary()
|
||||||
|
{
|
||||||
|
nlassert(s_DeviceCounter == 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
bool CStereoLibVR::isDeviceCreated()
|
||||||
|
{
|
||||||
|
return m_DevicePtr->HMDDevice != NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
} /* namespace NL3D */
|
||||||
|
|
||||||
|
#endif /* HAVE_LIBVR */
|
||||||
|
|
||||||
|
/* end of file */
|
||||||
Loading…
Reference in New Issue