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From Adrian Egli, update to ParallelSplitShadowMap.

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This commit is contained in:
Robert Osfield
2007-09-22 16:46:38 +00:00
parent 1dc8983a76
commit 82b0f004e9
3 changed files with 291 additions and 159 deletions
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32
include/osgShadow/ParallelSplitShadowMap
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@@ -32,23 +32,36 @@ class OSGSHADOW_EXPORT ParallelSplitShadowMap : public ShadowTechnique
META_Object(osgShadow, ParallelSplitShadowMap);
/** initialize the ShadowedScene and local cached data structures.*/
/** Initialize the ShadowedScene and local cached data structures.*/
virtual void init();
/** run the update traversal of the ShadowedScene and update any loca chached data structures.*/
/** Run the update traversal of the ShadowedScene and update any loca chached data structures.*/
virtual void update(osg::NodeVisitor& nv);
/** run the cull traversal of the ShadowedScene and set up the rendering for this ShadowTechnique.*/
/** Run the cull traversal of the ShadowedScene and set up the rendering for this ShadowTechnique.*/
virtual void cull(osgUtil::CullVisitor& cv);
/** Clean scene graph from any shadow technique specific nodes, state and drawables.*/
virtual void cleanSceneGraph();
/** Switch on the debug coloring in GLSL (only the first 3 texture/splits showed for visualisation */
inline void setDebugColorOn() { _debug_color_in_GLSL = true; }
/** Set the polygon offset osg::Vec2f(factor,unit) */
inline void setPolygonOffset(const osg::Vec2f& p) { _polgyonOffset = p;_user_polgyonOffset_set=true;}
/** Get the polygon offset osg::Vec2f(factor,unit) */
inline const osg::Vec2f& getPolygonOffset() { return _polgyonOffset;}
/** Set the texture resolution */
inline void setTextureResolution(unsigned int resolution) { _resolution = resolution; }
protected :
virtual ~ParallelSplitShadowMap() {}
std::string generateGLSL_FragmentShader_BaseTex(bool debug, unsigned int splitCount);
struct PSSMShadowSplitTexture {
// RTT
osg::ref_ptr<osg::Camera> _camera;
@@ -65,7 +78,7 @@ class OSGSHADOW_EXPORT ParallelSplitShadowMap : public ShadowTechnique
unsigned int _debug_textureUnit;
// Light (SUN)
osg::Vec3d _lightCameraSource;
osg::Vec3d _lightCameraTarget;
@@ -97,6 +110,15 @@ class OSGSHADOW_EXPORT ParallelSplitShadowMap : public ShadowTechnique
unsigned int _textureUnitOffset;
unsigned int _number_of_splits;
bool _debug_color_in_GLSL;
osg::Vec2f _polgyonOffset;
bool _user_polgyonOffset_set;
unsigned int _resolution;
};
}
#endif