src/Viewer/renderer.hxx

   1
   2 #ifndef __FG_RENDERER_HXX
   3 #define __FG_RENDERER_HXX 1
   4
   5 #include <simgear/scene/util/SGPickCallback.hxx>
   6 #include <simgear/props/props.hxx>
   7 #include <simgear/timing/timestamp.hxx>
   8
   9 #include <osg/ref_ptr>
  10 #include <osg/Matrix>
  11 #include <osg/Vec3>
  12
  13 #include "renderingpipeline.hxx"
  14
  15 namespace osg
  16 {
  17 class Camera;
  18 class Group;
  19 class GraphicsContext;
  20 }
  21
  22 namespace osgGA
  23 {
  24 class GUIEventAdapter;
  25 }
  26
  27 namespace osgShadow
  28 {
  29 class ShadowedScene;
  30 }
  31
  32 namespace osgViewer
  33 {
  34 class Viewer;
  35 }
  36
  37 namespace flightgear
  38 {
  39 class FGEventHandler;
  40 struct CameraInfo;
  41 class CameraGroup;
  42 }
  43
  44 class SGSky;
  45
  46 class FGRenderer {
  47
  48 public:
  49
  50     FGRenderer();
  51     ~FGRenderer();
  52
  53     void splashinit();
  54     void init();
  55
  56     void setupView();
  57
  58     void resize(int width, int height );
  59
  60     void update();
  61
  62     /** Just pick into the scene and return the pick callbacks on the way ...
  63      */
  64     bool pick( std::vector<SGSceneryPick>& pickList, const osg::Vec2& windowPos);
  65
  66     /** Get and set the OSG Viewer object, if any.
  67      */
  68     osgViewer::Viewer* getViewer() { return viewer.get(); }
  69     const osgViewer::Viewer* getViewer() const { return viewer.get(); }
  70     void setViewer(osgViewer::Viewer* viewer);
  71     /** Get and set the manipulator object, if any.
  72      */
  73     flightgear::FGEventHandler* getEventHandler() { return eventHandler.get(); }
  74     const flightgear::FGEventHandler* getEventHandler() const { return eventHandler.get(); }
  75     void setEventHandler(flightgear::FGEventHandler* manipulator);
  76
  77     /** Add a top level camera.
  78      */
  79     void addCamera(osg::Camera* camera, bool useSceneData);
  80
  81     void removeCamera(osg::Camera* camera);
  82
  83     /** Add a camera to the group. The camera is added to the viewer
  84      * as a slave. See osgViewer::Viewer::addSlave.
  85      * @param flags properties of the camera; see CameraGroup::Flags
  86      * @param projection slave projection matrix
  87      * @param view slave view matrix
  88      * @param useMasterSceneData whether the camera displays the
  89      * viewer's scene data.
  90      * @return a CameraInfo object for the camera.
  91      */
  92         flightgear::CameraInfo* buildRenderingPipeline(flightgear::CameraGroup* cgroup, unsigned flags, osg::Camera* camera,
  93                                    const osg::Matrix& view,
  94                                    const osg::Matrix& projection,
  95                                                                    osg::GraphicsContext* gc,
  96                                    bool useMasterSceneData);
  97
  98         /**
  99          */
 100         flightgear::CameraInfo* buildClassicalPipeline(flightgear::CameraGroup* cgroup, unsigned flags, osg::Camera* camera,
 101                                    const osg::Matrix& view,
 102                                    const osg::Matrix& projection,
 103                                    bool useMasterSceneData);
 104
 105         /**
 106          */
 107         flightgear::CameraInfo* buildDeferredPipeline(flightgear::CameraGroup* cgroup, unsigned flags, osg::Camera* camera,
 108                                    const osg::Matrix& view, const osg::Matrix& projection, osg::GraphicsContext* gc);
 109
 110     void updateShadowCamera(const flightgear::CameraInfo* info, const osg::Vec3d& position);
 111     void updateShadowMapSize(int mapSize);
 112     void enableShadows(bool enabled);
 113     void updateCascadeFar(int index, float far_m);
 114     void updateCascadeNumber(size_t num);
 115
 116     SGSky* getSky() const { return _sky; }
 117
 118         void setPlanes( double zNear, double zFar );
 119
 120 protected:
 121     osg::ref_ptr<osgViewer::Viewer> viewer;
 122     osg::ref_ptr<flightgear::FGEventHandler> eventHandler;
 123     SGPropertyNode_ptr _scenery_loaded, _position_finalized;
 124
 125     SGPropertyNode_ptr _skyblend, _splash_alpha;
 126     SGPropertyNode_ptr _point_sprites, _enhanced_lighting, _distance_attenuation;
 127     SGPropertyNode_ptr _textures;
 128     SGPropertyNode_ptr _cloud_status, _visibility_m;
 129     SGPropertyNode_ptr _xsize, _ysize;
 130     SGPropertyNode_ptr _panel_hotspots, _sim_delta_sec, _horizon_effect, _altitude_ft;
 131     SGPropertyNode_ptr _virtual_cockpit;
 132     SGTimeStamp _splash_time;
 133     SGSky* _sky;
 134     bool _classicalRenderer;
 135     std::string _renderer;
 136     int _shadowMapSize;
 137     size_t _numCascades;
 138     float _cascadeFar[4];
 139     bool _useColorForDepth;
 140
 141     typedef std::vector<SGPropertyChangeListener*> SGPropertyChangeListenerVec;
 142     SGPropertyChangeListenerVec _listeners;
 143
 144     flightgear::CameraInfo* buildCameraFromRenderingPipeline(FGRenderingPipeline* rpipe, flightgear::CameraGroup* cgroup, unsigned flags, osg::Camera* camera,
 145                                         const osg::Matrix& view, const osg::Matrix& projection, osg::GraphicsContext* gc);
 146
 147     void buildBuffers(FGRenderingPipeline* rpipe, flightgear::CameraInfo* info);
 148     void buildStage(flightgear::CameraInfo* info, FGRenderingPipeline::Stage* stage, flightgear::CameraGroup* cgroup, osg::Camera* mainCamera, const osg::Matrix& view, const osg::Matrix& projection, osg::GraphicsContext* gc);
 149     osg::Node* buildPass(flightgear::CameraInfo* info, FGRenderingPipeline::Pass* pass);
 150     osg::Node* buildLightingSkyCloudsPass(FGRenderingPipeline::Pass* pass);
 151     osg::Node* buildLightingLightsPass(flightgear::CameraInfo* info, FGRenderingPipeline::Pass* pass);
 152
 153     osg::Camera* buildDeferredGeometryCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc, const std::string& name, const FGRenderingPipeline::AttachmentList& attachments );
 154     osg::Camera* buildDeferredShadowCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc, const std::string& name, const FGRenderingPipeline::AttachmentList& attachments );
 155     osg::Camera* buildDeferredLightingCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc, const FGRenderingPipeline::Stage* stage );
 156     osg::Camera* buildDeferredFullscreenCamera( flightgear::CameraInfo* info, osg::GraphicsContext* gc, const FGRenderingPipeline::Stage* stage );
 157     osg::Camera* buildDeferredFullscreenCamera( flightgear::CameraInfo* info, const FGRenderingPipeline::Pass* pass );
 158     void buildDeferredDisplayCamera( osg::Camera* camera, flightgear::CameraInfo* info, const FGRenderingPipeline::Stage* stage, osg::GraphicsContext* gc );
 159
 160     void updateShadowCascade(const flightgear::CameraInfo* info, osg::Camera* camera, osg::Group* grp, int idx, double left, double right, double bottom, double top, double zNear, double f1, double f2);
 161     osg::Vec3 getSunDirection() const;
 162     osg::ref_ptr<osg::Uniform> _ambientFactor;
 163     osg::ref_ptr<osg::Uniform> _sunDiffuse;
 164     osg::ref_ptr<osg::Uniform> _sunSpecular;
 165     osg::ref_ptr<osg::Uniform> _sunDirection;
 166     osg::ref_ptr<osg::Uniform> _planes;
 167     osg::ref_ptr<osg::Uniform> _fogColor;
 168     osg::ref_ptr<osg::Uniform> _fogDensity;
 169     osg::ref_ptr<osg::Uniform> _shadowNumber;
 170     osg::ref_ptr<osg::Uniform> _shadowDistances;
 171     osg::ref_ptr<osg::Uniform> _depthInColor;
 172
 173     osg::ref_ptr<FGRenderingPipeline> _pipeline;
 174
 175     void addChangeListener(SGPropertyChangeListener* l, const char* path);
 176 };
 177
 178 bool fgDumpSceneGraphToFile(const char* filename);
 179 bool fgDumpTerrainBranchToFile(const char* filename);
 180
 181 namespace flightgear
 182 {
 183 bool printVisibleSceneInfo(FGRenderer* renderer);
 184 }
 185
 186 #endif