FGFS-4.1/OpenSceneGraph
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Added osg::StencilTwoSided state attribute to wrap up the stencil_two_sided extension.

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Added path in osgShadow work for using StencilTwoSided to accelerate shadow volume rendering.
This commit is contained in:
Robert Osfield
2007-01-18 22:32:18 +00:00
parent ba9e355550
commit ccc8a922a6
7 changed files with 514 additions and 65 deletions
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10
include/osgShadow/OccluderGeometry
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@@ -197,7 +197,16 @@ class OSGSHADOW_EXPORT ShadowVolumeGeometry : public osg::Drawable
virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const ShadowVolumeGeometry*>(obj)!=NULL; }
virtual const char* libraryName() const { return "osgShadow"; }
virtual const char* className() const { return "ShadowVolumeGeometry"; }
enum DrawMode
{
GEOMETRY,
STENCIL_TWO_PASS,
STENCIL_TWO_SIDED
};
void setDrawMode(DrawMode mode) { _drawMode = mode; }
DrawMode getDrawMode() const { return _drawMode; }
typedef std::vector<osg::Vec3> Vec3List;
typedef std::vector<GLuint> UIntList;
@@ -223,6 +232,7 @@ class OSGSHADOW_EXPORT ShadowVolumeGeometry : public osg::Drawable
virtual ~ShadowVolumeGeometry() {}
DrawMode _drawMode;
Vec3List _vertices;
Vec3List _normals;
UIntList _indices;