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create/src/Gui/CoinRiftWidget.h

121 lines
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/****************************************************************************
* Copyright (c) 2014 Bastiaan Veelo <Bastiaan a_t Veelo d_o_t net> *
* Copyright (c) 2014 Jürgen Riegel <FreeCAD@juergen-riegel.net> *
* *
* All rights reserved. Contact me if the below is too restrictive for you. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions are *
* met: *
* *
* Redistributions of source code must retain the above copyright notice, *
* this list of conditions and the following disclaimer. *
* *
* Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* *
* Neither the name of the copyright holder nor the names of its *
* contributors may be used to endorse or promote products derived from *
* this software without specific prior written permission. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT *
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR *
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT *
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, *
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT *
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, *
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY *
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE *
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
\****************************************************************************/
#ifndef GUI_CoinRiftWidget
#define GUI_CoinRiftWidget
#if BUILD_VR
// defines which method to use to render
#define USE_SO_OFFSCREEN_RENDERER
//#define USE_FRAMEBUFFER
#ifdef USE_SO_OFFSCREEN_RENDERER
# ifdef USE_FRAMEBUFFER
# error "Mutually exclusive options defined."
# endif
#endif
#include <algorithm>
#include <QApplication>
#include <QGLWidget>
#include <QTimer>
#include <QDebug>
#include <Inventor/SoDB.h>
#include <Inventor/SoInput.h>
#ifdef USE_SO_OFFSCREEN_RENDERER
# include <Inventor/SoOffscreenRenderer.h>
#endif
#ifdef USE_FRAMEBUFFER
# include <Inventor/SoSceneManager.h>
#endif
#include <Inventor/nodes/SoSeparator.h>
#include <Inventor/nodes/SoFrustumCamera.h>
#include <Inventor/nodes/SoDirectionalLight.h>
#include <OVR.h>
#include <OVR_Kernel.h>
#include <OVR_Version.h>
//#include <OVR_CAPI_GL.h>
#include <../Src/OVR_CAPI_GL.h>
#include <../Src/CAPI/GL/CAPI_GL_Util.h> // For framebuffer functions.
class CoinRiftWidget : public QGLWidget
{
ovrHmd hmd;
//ovrHmdDesc hmdDesc;
//ovrEyeType eyes[2];
ovrEyeRenderDesc eyeRenderDesc[2];
ovrTexture eyeTexture[2];
#ifdef USE_FRAMEBUFFER
GLuint frameBufferID[2], depthBufferID[2];
// A SoSceneManager has a SoRenderManager to do the rendering -- should we not use SoRenderManager instead?
// We are probably not that interested in events. SoSceneManager::setSceneGraph() searches for the camera
// and sets it in SoRenderManager, but its is actually only used for built-in stereo rendering.
// FIXME: We should probably eliminate that search...
SoSceneManager *m_sceneManager;
#endif
#ifdef USE_SO_OFFSCREEN_RENDERER
SoOffscreenRenderer *renderer;
#endif
SoSeparator *rootScene[2];
SoFrustumCamera *camera[2];
SoNode *scene;
public:
explicit CoinRiftWidget();
~CoinRiftWidget();
virtual void setSceneGraph(SoNode *sceneGraph);
void setBase(const SbVec3f &pos){basePosition=pos;}
void setBackgroundColor(const SbColor &Col);
SbVec3f basePosition;
SbRotation baseOrientation;
protected:
void handlingSafetyWarning(void);
void initializeGL();
void paintGL();
void resizeGL(int width, int height);
SbColor BackgroundColor;
SoTranslation *lightTranslation;
};
#endif //BUILD_VR
#endif // GUI_CoinRiftWidget