Files
flightgear/src/Viewer/VRManager.hxx
2022-10-20 20:29:11 +08:00

172 lines
4.9 KiB
C++

// Copyright (C) 2021 James Hogan
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program 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
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef VRMANAGER_HXX
#define VRMANAGER_HXX 1
#include <config.h>
#ifdef ENABLE_OSGXR
#include <osg/ref_ptr>
#include <osg/observer_ptr>
#include <osgXR/Manager>
#include <simgear/props/propertyObject.hxx>
#include <simgear/scene/viewer/CompositorPass.hxx>
#include "CameraGroup.hxx"
#include <map>
namespace flightgear
{
class VRManager : public osgXR::Manager
{
public:
class ReloadCompositorCallback : public CameraInfo::ReloadCompositorCallback
{
public:
ReloadCompositorCallback(VRManager *manager) :
_manager(manager)
{
};
virtual void preReloadCompositor(CameraGroup *cgroup, CameraInfo *info)
{
_manager->preReloadCompositor(cgroup, info);
}
virtual void postReloadCompositor(CameraGroup *cgroup, CameraInfo *info)
{
_manager->postReloadCompositor(cgroup, info);
}
protected:
osg::observer_ptr<VRManager> _manager;
};
VRManager();
static VRManager *instance();
void syncProperties();
void syncReadOnlyProperties();
void syncSettingProperties();
// Settings
bool getUseMirror() const;
void setValidationLayer(bool validationLayer);
void setDepthInfo(bool depthInfo);
void setVisibilityMask(bool visibilityMask);
void setVRMode(const std::string& mode);
void setSwapchainMode(const std::string& mode);
void setMirrorMode(const std::string& mode);
// osgXR::Manager overrides
void update() override;
void doCreateView(osgXR::View *xrView) override;
void doDestroyView(osgXR::View *xrView) override;
void onRunning() override;
void onStopped() override;
void preReloadCompositor(CameraGroup *cgroup, CameraInfo *info);
void postReloadCompositor(CameraGroup *cgroup, CameraInfo *info);
protected:
typedef std::map<osgXR::View *, osg::ref_ptr<CameraInfo>> XRViewToCamInfo;
XRViewToCamInfo _camInfos;
typedef std::map<CameraInfo *, osg::ref_ptr<osgXR::View>> CamInfoToXRView;
CamInfoToXRView _xrViews;
osg::ref_ptr<ReloadCompositorCallback> _reloadCompositorCallback;
// Properties
SGPropObjBool _propXrLayersValidation;
SGPropObjBool _propXrExtensionsDepthInfo;
SGPropObjBool _propXrExtensionsVisibilityMask;
SGPropObjString _propXrRuntimeName;
SGPropObjString _propXrSystemName;
SGPropObjString _propStateString;
SGPropObjBool _propPresent;
SGPropObjBool _propRunning;
SGPropObjBool _propEnabled;
SGPropObjBool _propDepthInfo;
SGPropObjBool _propVisibilityMask;
SGPropObjBool _propValidationLayer;
SGPropObjString _propMode;
SGPropObjString _propSwapchainMode;
SGPropObjBool _propMirrorEnabled;
SGPropObjString _propMirrorMode;
// Property listeners
template <typename T, typename R = T>
class Listener : public SGPropertyChangeListener
{
public:
typedef void (VRManager::*SetterFn)(R v);
Listener(VRManager *manager, SetterFn setter) :
_manager(manager),
_setter(setter)
{
}
void valueChanged(SGPropertyNode *node) override
{
(_manager->*_setter)(node->template getValue<T>());
}
protected:
VRManager *_manager;
SetterFn _setter;
};
typedef Listener<bool> ListenerBool;
typedef Listener<std::string, const std::string&> ListenerString;
ListenerBool _listenerEnabled;
ListenerBool _listenerDepthInfo;
ListenerBool _listenerVisibilityMask;
ListenerBool _listenerValidationLayer;
ListenerString _listenerMode;
ListenerString _listenerSwapchainMode;
ListenerString _listenerMirrorMode;
};
}
#endif // ENABLE_OSGXR
#endif