FGFS-4.1/OpenSceneGraph
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Further work on Occlusion Culling. Most of work is complete, just debugging

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required now.
This commit is contained in:
Robert Osfield
2002-06-13 16:21:00 +00:00
parent 8dcb26967c
commit 0ebe473eb5
13 changed files with 335 additions and 55 deletions
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19
include/osg/CullStack
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@@ -44,6 +44,10 @@ class SG_EXPORT CullStack
CullingMode getCullingMode() const { return _cullingMode; }
void reset();
void setOccluderList(const ShadowVolumeOccluderList& svol) { _occluderList = svol; }
ShadowVolumeOccluderList& getOccluderList() { return _occluderList; }
const ShadowVolumeOccluderList& getOccluderList() const { return _occluderList; }
void pushViewport(osg::Viewport* viewport);
void popViewport();
@@ -110,6 +114,17 @@ class SG_EXPORT CullStack
}
typedef fast_back_stack<ref_ptr<CullingSet> > CullingStack;
CullingStack& getClipSpaceCullingStack() { return _clipspaceCullingStack; }
CullingStack& getProjectionCullingStack() { return _projectionCullingStack; }
CullingStack& getModelViewCullingStack() { return _modelviewCullingStack; }
CullingSet& getCurrentCullingSet() { return *_modelviewCullingStack.back(); }
inline osg::Viewport* getViewport();
inline osg::Matrix& getModelViewMatrix();
inline osg::Matrix& getProjectionMatrix();
@@ -139,6 +154,9 @@ class SG_EXPORT CullStack
float _LODBias;
float _smallFeatureCullingPixelSize;
// base set of shadow volume occluder to use in culling.
ShadowVolumeOccluderList _occluderList;
typedef fast_back_stack< ref_ptr<Matrix> > MatrixStack;
MatrixStack _projectionStack;
@@ -152,7 +170,6 @@ class SG_EXPORT CullStack
typedef fast_back_stack<Vec3> EyePointStack;
EyePointStack _eyePointStack;
typedef fast_back_stack<ref_ptr<CullingSet> > CullingStack;
CullingStack _clipspaceCullingStack;
CullingStack _projectionCullingStack;
CullingStack _modelviewCullingStack;