FGFS-4.1/OpenSceneGraph
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Added support for cullable state, that uses a polytope to define the extents

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of objects that will be influenced by it.
This commit is contained in:
Robert Osfield
2005-09-07 16:18:43 +00:00
parent 58112d9591
commit 765db1998c
5 changed files with 106 additions and 20 deletions
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54
include/osg/CullingSet
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@@ -28,7 +28,9 @@ class OSG_EXPORT CullingSet : public Referenced
{
public:
typedef std::pair< osg::ref_ptr<osg::StateSet>, osg::Polytope > StateFrustumPair;
typedef std::vector< StateFrustumPair > StateFrustumList;
CullingSet();
@@ -36,6 +38,7 @@ class OSG_EXPORT CullingSet : public Referenced
Referenced(),
_mask(cs._mask),
_frustum(cs._frustum),
_stateFrustumList(cs._stateFrustumList),
_occluderList(cs._occluderList),
_pixelSizeVector(cs._pixelSizeVector),
_smallFeatureCullingPixelSize(cs._smallFeatureCullingPixelSize)
@@ -45,6 +48,7 @@ class OSG_EXPORT CullingSet : public Referenced
CullingSet(const CullingSet& cs,const Matrix& matrix, const Vec4& pixelSizeVector):
_mask(cs._mask),
_frustum(cs._frustum),
_stateFrustumList(cs._stateFrustumList),
_occluderList(cs._occluderList),
_pixelSizeVector(pixelSizeVector),
_smallFeatureCullingPixelSize(cs._smallFeatureCullingPixelSize)
@@ -64,6 +68,7 @@ class OSG_EXPORT CullingSet : public Referenced
_mask = cs._mask;
_frustum = cs._frustum;
_stateFrustumList = cs._stateFrustumList;
_occluderList = cs._occluderList;
_pixelSizeVector = cs._pixelSizeVector;
_smallFeatureCullingPixelSize = cs._smallFeatureCullingPixelSize;
@@ -76,6 +81,7 @@ class OSG_EXPORT CullingSet : public Referenced
{
_mask = cs._mask;
_frustum = cs._frustum;
_stateFrustumList = cs._stateFrustumList;
_occluderList = cs._occluderList;
_pixelSizeVector = cs._pixelSizeVector;
_smallFeatureCullingPixelSize = cs._smallFeatureCullingPixelSize;
@@ -84,6 +90,7 @@ class OSG_EXPORT CullingSet : public Referenced
inline void set(const CullingSet& cs,const Matrix& matrix, const Vec4& pixelSizeVector)
{
_mask = cs._mask;
_stateFrustumList = cs._stateFrustumList;
_occluderList = cs._occluderList;
_pixelSizeVector = pixelSizeVector;
_smallFeatureCullingPixelSize = cs._smallFeatureCullingPixelSize;
@@ -93,6 +100,13 @@ class OSG_EXPORT CullingSet : public Referenced
_frustum.setAndTransformProvidingInverse(cs._frustum,matrix);
for(StateFrustumList::iterator itr=_stateFrustumList.begin();
itr!=_stateFrustumList.end();
++itr)
{
itr->second.transformProvidingInverse(matrix);
}
for(OccluderList::iterator itr=_occluderList.begin();
itr!=_occluderList.end();
++itr)
@@ -133,8 +147,12 @@ class OSG_EXPORT CullingSet : public Referenced
Polytope& getFrustum() { return _frustum; }
const Polytope& getFrustum() const { return _frustum; }
void addOccluder(ShadowVolumeOccluder& cv) { _occluderList.push_back(cv); }
void addStateFrustum(StateSet* stateset, Polytope& polytope) { _stateFrustumList.push_back(StateFrustumPair(stateset,polytope)); }
void getStateFrustumList(StateFrustumList& sfl) { _stateFrustumList = sfl; }
StateFrustumList& getStateFrustumList() { return _stateFrustumList; }
void addOccluder(ShadowVolumeOccluder& cv) { _occluderList.push_back(cv); }
void setPixelSizeVector(const Vec4& v) { _pixelSizeVector = v; }
@@ -247,6 +265,17 @@ class OSG_EXPORT CullingSet : public Referenced
{
_frustum.pushCurrentMask();
if (!_stateFrustumList.empty())
{
for(StateFrustumList::iterator itr=_stateFrustumList.begin();
itr!=_stateFrustumList.end();
++itr)
{
itr->second.pushCurrentMask();
}
}
#ifdef COMPILE_WITH_SHADOW_OCCLUSION_CULLING
if (!_occluderList.empty())
{
@@ -264,6 +293,16 @@ class OSG_EXPORT CullingSet : public Referenced
{
_frustum.popCurrentMask();
if (!_stateFrustumList.empty())
{
for(StateFrustumList::iterator itr=_stateFrustumList.begin();
itr!=_stateFrustumList.end();
++itr)
{
itr->second.popCurrentMask();
}
}
#ifdef COMPILE_WITH_SHADOW_OCCLUSION_CULLING
if (!_occluderList.empty())
{
@@ -286,11 +325,12 @@ class OSG_EXPORT CullingSet : public Referenced
protected:
Mask _mask;
Polytope _frustum;
OccluderList _occluderList;
Vec4 _pixelSizeVector;
float _smallFeatureCullingPixelSize;
Mask _mask;
Polytope _frustum;
StateFrustumList _stateFrustumList;
OccluderList _occluderList;
Vec4 _pixelSizeVector;
float _smallFeatureCullingPixelSize;
};

3
include/osgSim/OverlayNode
View File

@@ -16,6 +16,7 @@
#include <osg/buffered_value>
#include <osg/CameraNode>
#include <osg/Texture2D>
#include <osg/TexGenNode>
#include <osgSim/Export>
@@ -92,7 +93,7 @@ class OSGSIM_EXPORT OverlayNode : public osg::Group
osg::ref_ptr<osg::Texture2D> _texture;
bool _continousUpdate;
osg::BoundingSphere _overlaySubgraphBound;
osg::Polytope _textureFrustum;
};
}