FGFS-4.1/OpenSceneGraph
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Implemented caching of Camera, Texture and TexGen

Browse Source
This commit is contained in:
Robert Osfield
2011-08-09 13:39:57 +00:00
parent e4a73d121e
commit 4aa16bc8e3
2 changed files with 468 additions and 319 deletions
Download Patch File Download Diff File Expand all files Collapse all files

88
include/osgShadow/ViewDependentShadowMap
View File

@@ -45,36 +45,6 @@ class OSGSHADOW_EXPORT ViewDependentShadowMap : public ShadowTechnique
/** Clean scene graph from any shadow technique specific nodes, state and drawables.*/
virtual void cleanSceneGraph();
struct OSGSHADOW_EXPORT LightShadowData : public osg::Referenced
{
unsigned int _textureUnit;
osg::ref_ptr<osg::Texture> _texture;
osg::ref_ptr<osg::TexGen> _texgen;
osg::ref_ptr<osg::Light> _light;
osg::ref_ptr<osg::Camera> _camera;
};
class OSGSHADOW_EXPORT ViewDependentData : public osg::Referenced
{
public:
ViewDependentData(ViewDependentShadowMap* vdsm, osgUtil::CullVisitor* cv);
void cullShadowCastingScene(osgUtil::CullVisitor* cv);
void cull(osgUtil::CullVisitor*);
protected:
virtual ~ViewDependentData() {}
osg::ref_ptr<osg::StateSet> _stateset;
};
virtual ViewDependentData* createViewDependentData(osgUtil::CullVisitor* cv);
ViewDependentData* getViewDependentData(osgUtil::CullVisitor* cv);
struct OSGSHADOW_EXPORT Frustum
{
@@ -99,10 +69,13 @@ class OSGSHADOW_EXPORT ViewDependentShadowMap : public ShadowTechnique
osg::Vec3d frustumCenterLine;
};
struct OSGSHADOW_EXPORT PositionedLight
struct OSGSHADOW_EXPORT LightData : public osg::Referenced
{
PositionedLight(osg::RefMatrix* lm, const osg::Light* l, const osg::Matrixd& modelViewMatrix);
LightData();
virtual void setLightData(osg::RefMatrix* lm, const osg::Light* l, const osg::Matrixd& modelViewMatrix);
bool active;
osg::ref_ptr<osg::RefMatrix> lightMatrix;
osg::ref_ptr<const osg::Light> light;
@@ -115,13 +88,54 @@ class OSGSHADOW_EXPORT ViewDependentShadowMap : public ShadowTechnique
ActiveTextureUnits textureUnits;
};
typedef std::list< PositionedLight > PositionedLightList;
typedef std::list< osg::ref_ptr<LightData> > LightDataList;
virtual bool selectActiveLights(osgUtil::CullVisitor* cv, PositionedLightList& pll) const;
struct OSGSHADOW_EXPORT ShadowData : public osg::Referenced
{
ShadowData();
virtual osg::Polytope computeLightViewFrustumPolytope(Frustum& frustum, PositionedLight& positionedLight);
bool _active;
unsigned int _textureUnit;
osg::ref_ptr<osg::Texture2D> _texture;
osg::ref_ptr<osg::TexGen> _texgen;
osg::ref_ptr<osg::Camera> _camera;
};
virtual bool computeShadowCameraSettings(Frustum& frustum, PositionedLight& positionedLight, osg::Camera* camera);
typedef std::list< osg::ref_ptr<ShadowData> > ShadowDataList;
class OSGSHADOW_EXPORT ViewDependentData : public osg::Referenced
{
public:
ViewDependentData();
LightDataList& getLightDataList() { return _lightDataList; }
ShadowDataList& getShadowDataList() { return _shadowDataList; }
osg::StateSet* getStateSet() { return _stateset.get(); }
protected:
virtual ~ViewDependentData() {}
osg::ref_ptr<osg::StateSet> _stateset;
LightDataList _lightDataList;
ShadowDataList _shadowDataList;
};
virtual ViewDependentData* createViewDependentData(osgUtil::CullVisitor* cv);
ViewDependentData* getViewDependentData(osgUtil::CullVisitor* cv);
virtual void createShaders();
virtual bool selectActiveLights(osgUtil::CullVisitor* cv, LightDataList& pll) const;
virtual osg::Polytope computeLightViewFrustumPolytope(Frustum& frustum, LightData& positionedLight);
virtual bool computeShadowCameraSettings(Frustum& frustum, LightData& positionedLight, osg::Camera* camera);
virtual bool assignTexGenSettings(osgUtil::CullVisitor* cv, osg::Camera* camera, unsigned int textureUnit, osg::TexGen* texgen);
@@ -129,7 +143,7 @@ class OSGSHADOW_EXPORT ViewDependentShadowMap : public ShadowTechnique
virtual void cullShadowCastingScene(osgUtil::CullVisitor* cv, osg::Camera* camera) const;
virtual osg::StateSet* selectStateSetForRenderingShadow(PositionedLightList& pll) const;
virtual osg::StateSet* selectStateSetForRenderingShadow(ViewDependentData& vdd) const;
protected:
virtual ~ViewDependentShadowMap();