Moves gles visitors implementation in cpp files

src/osgPlugins/gles/AABBonBoneVisitor

@@ -35,234 +35,33 @@ public:
     typedef std::vector<osgAnimation::Bone*> BoneList;
     typedef std::vector<osgAnimation::RigGeometry*> RigGeometryList;
 
-
     ComputeAABBOnBoneVisitor(bool createGeometry):
         osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
         _root(0),
         _createGeometry(createGeometry)
     {}
 
-    void apply(osg::Transform& node) {
+    void apply(osg::Transform&);
-        if(!_root)
+    void apply(osg::Geometry&);
-            _root = dynamic_cast<osgAnimation::Skeleton*>(&node);
+    void apply(osgAnimation::Bone &);
-
+    void apply(osgAnimation::RigGeometry &);
-        osgAnimation::Bone * b = dynamic_cast<osgAnimation::Bone*>(&node);
+    void computeBoundingBoxOnBones();
-        if(b) apply(*b);
-        traverse(node);
-    }
-
-    void apply(osg::Geometry& geometry) {
-        if(osgAnimation::RigGeometry *rigGeometry = dynamic_cast<osgAnimation::RigGeometry*>(&geometry)) {
-            apply(*rigGeometry);
-        }
-    }
-
-    void apply(osgAnimation::Bone &bone) {
-        _bones.push_back(&bone);
-    }
-
-    void apply(osgAnimation::RigGeometry &rig) {
-        _rigGeometries.push_back(&rig);
-    }
-
-    void computeBoundingBoxOnBones() {
-        //Perform Updates
-        updateBones();
-        updateRigGeometries();
-
-        //We have our T pose, we can compute an AABB for each bone
-        for (BoneList::iterator bone = _bones.begin(); bone != _bones.end(); ++ bone) {
-            osg::BoundingBox bb;
-            //For each geometry
-            for (RigGeometryList::iterator iterator = _rigGeometries.begin(); iterator != _rigGeometries.end(); ++ iterator) {
-                osgAnimation::RigGeometry* rigGeometry = *iterator;
-                if(!rigGeometry) continue;
-
-                osg::Matrix mtxLocalToSkl = rigGeometry->getWorldMatrices(_root).at(0);
-
-                //For each Vertex influence
-                osgAnimation::VertexInfluenceMap * infMap = rigGeometry->getInfluenceMap();
-                osgAnimation::VertexInfluenceMap::iterator itMap = infMap->find((*bone)->getName());
-                if(itMap == infMap->end()) continue;
-
-                osg::Vec3Array *vertices = dynamic_cast<osg::Vec3Array*>(rigGeometry->getVertexArray());
-                if(!vertices) continue;
-
-                osgAnimation::VertexInfluence vxtInf = (*itMap).second;
-
-                //Expand the boundingBox with each vertex
-                for(unsigned int j = 0; j < vxtInf.size(); j++) {
-                    if(vxtInf.at(j).second < 10e-2) continue; //Skip vertex if low weight
-                    osg::Vec3 vx = vertices->at(vxtInf.at(j).first);
-                    vx = vx * mtxLocalToSkl;
-                    bb.expandBy(vx);
-                }
-
-                // Compare initial and actual boundingBox if (no change) => no box on bone
-                if(bb == osg::BoundingBox() || bb._min.x() == bb._max.x() || bb._min.y() == bb._max.y() || bb._min.z() == bb._max.z()) {
-                    continue;
-                }
-
-                osg::Matrix worldToBone = osg::Matrix::inverse((*bone)->getWorldMatrices(_root).at(0));
-
-                if(_createGeometry) {
-                    osg::Geode *g = new osg::Geode;
-                    g->setName("AABB_for_bone_" + (*bone)->getName());
-                    g->addDrawable(createBox(bb, worldToBone));
-                    (*bone)->addChild(g);
-                }
-
-                serializeBoundingBox(bb, worldToBone, *(*bone));
-            }
-        }
-
-        //Clear geometries
-        for (RigGeometryList::iterator iterator = _rigGeometries.begin(); iterator != _rigGeometries.end(); ++ iterator) {
-            osgAnimation::RigGeometry* rigGeometry = *iterator;
-            if(rigGeometry) {
-                rigGeometry->copyFrom(*rigGeometry->getSourceGeometry());
-                rigGeometry->setRigTransformImplementation(0);
-            }
-        }
-    }
 
 protected:
-    osg::Geometry* createBox(const osg::BoundingBox &bb, const osg::Matrix &transform,
+    osg::Geometry* createBox(const osg::BoundingBox &,
-                             float ratio=1.0, osg::Vec4 color=osg::Vec4(1.0f, 0.0f, 0.0f, 1.0f)) {
+                             const osg::Matrix &,
-        osg::Geometry *cube = new osg::Geometry;
+                             float /*ratio*/=1.0,
+                             osg::Vec4 /*color*/=osg::Vec4(1.0f, 0.0f, 0.0f, 1.0f));
 
-        osg::Vec3 center = bb.center();
+    void serializeBoundingBox(const osg::BoundingBox &,
-        double halfLenghtX = (bb._max.x() - bb._min.x()) * 0.50;
+                              const osg::Matrix &,
-        double halfLenghtY = (bb._max.y() - bb._min.y()) * 0.50;
+                              osgAnimation::Bone &,
-        double halfLenghtZ = (bb._max.z() - bb._min.z()) * 0.50;
+                              float /*ratio*/=1.0);
 
-        halfLenghtX *= ratio;
+    void updateBones();
-        halfLenghtY *= ratio;
+    void updateRigGeometries();
-        halfLenghtZ *= ratio;
-
-        osg::Vec3Array *cubeVertices = new osg::Vec3Array;
-        cubeVertices->push_back(osg::Vec3(center.x() - halfLenghtX, center.y() + halfLenghtY, center.z() + halfLenghtZ) * transform);
-        cubeVertices->push_back(osg::Vec3(center.x() - halfLenghtX, center.y() + halfLenghtY, center.z() - halfLenghtZ) * transform);
-        cubeVertices->push_back(osg::Vec3(center.x() - halfLenghtX, center.y() - halfLenghtY, center.z() - halfLenghtZ) * transform);
-        cubeVertices->push_back(osg::Vec3(center.x() - halfLenghtX, center.y() - halfLenghtY, center.z() + halfLenghtZ) * transform);
-
-        cubeVertices->push_back(osg::Vec3(center.x() + halfLenghtX, center.y() + halfLenghtY, center.z() + halfLenghtZ) * transform);
-        cubeVertices->push_back(osg::Vec3(center.x() + halfLenghtX, center.y() + halfLenghtY, center.z() - halfLenghtZ) * transform);
-        cubeVertices->push_back(osg::Vec3(center.x() + halfLenghtX, center.y() - halfLenghtY, center.z() - halfLenghtZ) * transform);
-        cubeVertices->push_back(osg::Vec3(center.x() + halfLenghtX, center.y() - halfLenghtY, center.z() + halfLenghtZ) * transform);
-
-        cube->setVertexArray(cubeVertices);
-
-        {
-            osg::DrawElementsUInt* up = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
-            up->push_back(4);
-            up->push_back(5);
-            up->push_back(1);
-            up->push_back(0);
-            cube->addPrimitiveSet(up);
-        }
-
-        {
-            osg::DrawElementsUInt* down = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
-            down->push_back(2);
-            down->push_back(6);
-            down->push_back(7);
-            down->push_back(3);
-            cube->addPrimitiveSet(down);
-        }
-
-        {
-            osg::DrawElementsUInt* left = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
-            left->push_back(2);
-            left->push_back(3);
-            left->push_back(0);
-            left->push_back(1);
-            cube->addPrimitiveSet(left);
-        }
-
-        {
-            osg::DrawElementsUInt* right = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
-            right->push_back(7);
-            right->push_back(6);
-            right->push_back(5);
-            right->push_back(4);
-            cube->addPrimitiveSet(right);
-        }
-
-        {
-            osg::DrawElementsUInt* front = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
-            front->push_back(3);
-            front->push_back(7);
-            front->push_back(4);
-            front->push_back(0);
-            cube->addPrimitiveSet(front);
-        }
-
-        {
-            osg::DrawElementsUInt* back = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
-            back->push_back(6);
-            back->push_back(2);
-            back->push_back(1);
-            back->push_back(5);
-            cube->addPrimitiveSet(back);
-        }
-
-        osg::Vec4Array* colors = new osg::Vec4Array;
-        colors->push_back(color);
-        colors->push_back(color);
-        colors->push_back(color);
-        colors->push_back(color);
-        colors->push_back(color);
-        colors->push_back(color);
-        colors->push_back(color);
-        colors->push_back(color);
-
-        cube->setColorArray(colors);
-        cube->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
-
-        return cube;
-    }
-
-    void serializeBoundingBox(const osg::BoundingBox &bb, const osg::Matrix &transform, osgAnimation::Bone &b, float ratio = 1.0) {
-        osg::Vec3 center = bb.center();
-        double halfLenghtX = (bb._max.x() - bb._min.x()) * 0.50;
-        double halfLenghtY = (bb._max.y() - bb._min.y()) * 0.50;
-        double halfLenghtZ = (bb._max.z() - bb._min.z()) * 0.50;
-
-        halfLenghtX *= ratio;
-        halfLenghtY *= ratio;
-        halfLenghtZ *= ratio;
-
-        osg::BoundingBox serializedBB;
-
-        serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() + halfLenghtY, center.z() + halfLenghtZ) * transform);
-        serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() + halfLenghtY, center.z() - halfLenghtZ) * transform);
-        serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() - halfLenghtY, center.z() - halfLenghtZ) * transform);
-        serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() - halfLenghtY, center.z() + halfLenghtZ) * transform);
-        serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() + halfLenghtY, center.z() + halfLenghtZ) * transform);
-        serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() + halfLenghtY, center.z() - halfLenghtZ) * transform);
-        serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() - halfLenghtY, center.z() - halfLenghtZ) * transform);
-        serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() - halfLenghtY, center.z() + halfLenghtZ) * transform);
-
-        b.setUserValue("AABBonBone_min", serializedBB._min);
-        b.setUserValue("AABBonBone_max", serializedBB._max);
-    }
-
-    void updateBones() {
-        osgUtil::UpdateVisitor update;
-        _root->accept(update);
-    }
-
-    void updateRigGeometries() {
-        for (unsigned int i = 0, size = _rigGeometries.size(); i < size; i++) {
-            osgAnimation::RigGeometry * rig = _rigGeometries.at(i);
-            osg::Drawable::UpdateCallback * callback = dynamic_cast<osg::Drawable::UpdateCallback*>(rig->getUpdateCallback());
-            if(callback) {
-                callback->update(0, rig);
-            }
-        }
-    }
 
+protected:
     BoneList _bones;
     RigGeometryList _rigGeometries;
     osgAnimation::Skeleton *_root;

src/osgPlugins/gles/AABBonBoneVisitor.cpp

@@ -0,0 +1,235 @@
+#include "AABBonBoneVisitor"
+
+
+void ComputeAABBOnBoneVisitor::apply(osg::Transform& node) {
+    if(!_root)
+        _root = dynamic_cast<osgAnimation::Skeleton*>(&node);
+
+    osgAnimation::Bone * b = dynamic_cast<osgAnimation::Bone*>(&node);
+    if(b) apply(*b);
+    traverse(node);
+}
+
+
+void ComputeAABBOnBoneVisitor::apply(osg::Geometry& geometry) {
+    if(osgAnimation::RigGeometry *rigGeometry = dynamic_cast<osgAnimation::RigGeometry*>(&geometry)) {
+        apply(*rigGeometry);
+    }
+}
+
+
+void ComputeAABBOnBoneVisitor::apply(osgAnimation::Bone &bone) {
+    _bones.push_back(&bone);
+}
+
+
+void ComputeAABBOnBoneVisitor::apply(osgAnimation::RigGeometry &rig) {
+    _rigGeometries.push_back(&rig);
+}
+
+
+void ComputeAABBOnBoneVisitor::computeBoundingBoxOnBones() {
+    //Perform Updates
+    updateBones();
+    updateRigGeometries();
+
+    //We have our T pose, we can compute an AABB for each bone
+    for (BoneList::iterator bone = _bones.begin(); bone != _bones.end(); ++ bone) {
+        osg::BoundingBox bb;
+        //For each geometry
+        for (RigGeometryList::iterator iterator = _rigGeometries.begin(); iterator != _rigGeometries.end(); ++ iterator) {
+            osgAnimation::RigGeometry* rigGeometry = *iterator;
+            if(!rigGeometry) continue;
+
+            osg::Matrix mtxLocalToSkl = rigGeometry->getWorldMatrices(_root).at(0);
+
+            //For each Vertex influence
+            osgAnimation::VertexInfluenceMap * infMap = rigGeometry->getInfluenceMap();
+            osgAnimation::VertexInfluenceMap::iterator itMap = infMap->find((*bone)->getName());
+            if(itMap == infMap->end()) continue;
+
+            osg::Vec3Array *vertices = dynamic_cast<osg::Vec3Array*>(rigGeometry->getVertexArray());
+            if(!vertices) continue;
+
+            osgAnimation::VertexInfluence vxtInf = (*itMap).second;
+
+            //Expand the boundingBox with each vertex
+            for(unsigned int j = 0; j < vxtInf.size(); j++) {
+                if(vxtInf.at(j).second < 10e-2) continue; //Skip vertex if low weight
+                osg::Vec3 vx = vertices->at(vxtInf.at(j).first);
+                vx = vx * mtxLocalToSkl;
+                bb.expandBy(vx);
+            }
+
+            // Compare initial and actual boundingBox if (no change) => no box on bone
+            if(bb == osg::BoundingBox() || bb._min.x() == bb._max.x() || bb._min.y() == bb._max.y() || bb._min.z() == bb._max.z()) {
+                continue;
+            }
+
+            osg::Matrix worldToBone = osg::Matrix::inverse((*bone)->getWorldMatrices(_root).at(0));
+
+            if(_createGeometry) {
+                osg::Geode *g = new osg::Geode;
+                g->setName("AABB_for_bone_" + (*bone)->getName());
+                g->addDrawable(createBox(bb, worldToBone));
+                (*bone)->addChild(g);
+            }
+
+            serializeBoundingBox(bb, worldToBone, *(*bone));
+        }
+    }
+
+    //Clear geometries
+    for (RigGeometryList::iterator iterator = _rigGeometries.begin(); iterator != _rigGeometries.end(); ++ iterator) {
+        osgAnimation::RigGeometry* rigGeometry = *iterator;
+        if(rigGeometry) {
+            rigGeometry->copyFrom(*rigGeometry->getSourceGeometry());
+            rigGeometry->setRigTransformImplementation(0);
+        }
+    }
+}
+
+
+osg::Geometry* ComputeAABBOnBoneVisitor::createBox(const osg::BoundingBox &bb,
+                                                   const osg::Matrix &transform,
+                                                   float ratio,
+                                                   osg::Vec4 color) {
+    osg::Geometry *cube = new osg::Geometry;
+
+    osg::Vec3 center = bb.center();
+    double halfLenghtX = (bb._max.x() - bb._min.x()) * 0.50;
+    double halfLenghtY = (bb._max.y() - bb._min.y()) * 0.50;
+    double halfLenghtZ = (bb._max.z() - bb._min.z()) * 0.50;
+
+    halfLenghtX *= ratio;
+    halfLenghtY *= ratio;
+    halfLenghtZ *= ratio;
+
+    osg::Vec3Array *cubeVertices = new osg::Vec3Array;
+    cubeVertices->push_back(osg::Vec3(center.x() - halfLenghtX, center.y() + halfLenghtY, center.z() + halfLenghtZ) * transform);
+    cubeVertices->push_back(osg::Vec3(center.x() - halfLenghtX, center.y() + halfLenghtY, center.z() - halfLenghtZ) * transform);
+    cubeVertices->push_back(osg::Vec3(center.x() - halfLenghtX, center.y() - halfLenghtY, center.z() - halfLenghtZ) * transform);
+    cubeVertices->push_back(osg::Vec3(center.x() - halfLenghtX, center.y() - halfLenghtY, center.z() + halfLenghtZ) * transform);
+
+    cubeVertices->push_back(osg::Vec3(center.x() + halfLenghtX, center.y() + halfLenghtY, center.z() + halfLenghtZ) * transform);
+    cubeVertices->push_back(osg::Vec3(center.x() + halfLenghtX, center.y() + halfLenghtY, center.z() - halfLenghtZ) * transform);
+    cubeVertices->push_back(osg::Vec3(center.x() + halfLenghtX, center.y() - halfLenghtY, center.z() - halfLenghtZ) * transform);
+    cubeVertices->push_back(osg::Vec3(center.x() + halfLenghtX, center.y() - halfLenghtY, center.z() + halfLenghtZ) * transform);
+
+    cube->setVertexArray(cubeVertices);
+
+    {
+        osg::DrawElementsUInt* up = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
+        up->push_back(4);
+        up->push_back(5);
+        up->push_back(1);
+        up->push_back(0);
+        cube->addPrimitiveSet(up);
+    }
+
+    {
+        osg::DrawElementsUInt* down = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
+        down->push_back(2);
+        down->push_back(6);
+        down->push_back(7);
+        down->push_back(3);
+        cube->addPrimitiveSet(down);
+    }
+
+    {
+        osg::DrawElementsUInt* left = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
+        left->push_back(2);
+        left->push_back(3);
+        left->push_back(0);
+        left->push_back(1);
+        cube->addPrimitiveSet(left);
+    }
+
+    {
+        osg::DrawElementsUInt* right = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
+        right->push_back(7);
+        right->push_back(6);
+        right->push_back(5);
+        right->push_back(4);
+        cube->addPrimitiveSet(right);
+    }
+
+    {
+        osg::DrawElementsUInt* front = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
+        front->push_back(3);
+        front->push_back(7);
+        front->push_back(4);
+        front->push_back(0);
+        cube->addPrimitiveSet(front);
+    }
+
+    {
+        osg::DrawElementsUInt* back = new osg::DrawElementsUInt(osg::PrimitiveSet::QUADS, 0);
+        back->push_back(6);
+        back->push_back(2);
+        back->push_back(1);
+        back->push_back(5);
+        cube->addPrimitiveSet(back);
+    }
+
+    osg::Vec4Array* colors = new osg::Vec4Array;
+    colors->push_back(color);
+    colors->push_back(color);
+    colors->push_back(color);
+    colors->push_back(color);
+    colors->push_back(color);
+    colors->push_back(color);
+    colors->push_back(color);
+    colors->push_back(color);
+
+    cube->setColorArray(colors);
+    cube->setColorBinding(osg::Geometry::BIND_PER_VERTEX);
+
+    return cube;
+}
+
+
+void ComputeAABBOnBoneVisitor::serializeBoundingBox(const osg::BoundingBox &bb,
+                                                    const osg::Matrix &transform,
+                                                    osgAnimation::Bone &b,
+                                                    float ratio) {
+    osg::Vec3 center = bb.center();
+    double halfLenghtX = (bb._max.x() - bb._min.x()) * 0.50;
+    double halfLenghtY = (bb._max.y() - bb._min.y()) * 0.50;
+    double halfLenghtZ = (bb._max.z() - bb._min.z()) * 0.50;
+
+    halfLenghtX *= ratio;
+    halfLenghtY *= ratio;
+    halfLenghtZ *= ratio;
+
+    osg::BoundingBox serializedBB;
+
+    serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() + halfLenghtY, center.z() + halfLenghtZ) * transform);
+    serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() + halfLenghtY, center.z() - halfLenghtZ) * transform);
+    serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() - halfLenghtY, center.z() - halfLenghtZ) * transform);
+    serializedBB.expandBy(osg::Vec3(center.x() - halfLenghtX, center.y() - halfLenghtY, center.z() + halfLenghtZ) * transform);
+    serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() + halfLenghtY, center.z() + halfLenghtZ) * transform);
+    serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() + halfLenghtY, center.z() - halfLenghtZ) * transform);
+    serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() - halfLenghtY, center.z() - halfLenghtZ) * transform);
+    serializedBB.expandBy(osg::Vec3(center.x() + halfLenghtX, center.y() - halfLenghtY, center.z() + halfLenghtZ) * transform);
+
+    b.setUserValue("AABBonBone_min", serializedBB._min);
+    b.setUserValue("AABBonBone_max", serializedBB._max);
+}
+
+
+void ComputeAABBOnBoneVisitor::updateBones() {
+    osgUtil::UpdateVisitor update;
+    _root->accept(update);
+}
+
+
+void ComputeAABBOnBoneVisitor::updateRigGeometries() {
+    for (unsigned int i = 0, size = _rigGeometries.size(); i < size; i++) {
+        osgAnimation::RigGeometry * rig = _rigGeometries.at(i);
+        osg::Drawable::UpdateCallback * callback = dynamic_cast<osg::Drawable::UpdateCallback*>(rig->getUpdateCallback());
+        if(callback) {
+            callback->update(0, rig);
+        }
+    }
+}

src/osgPlugins/gles/AnimationCleanerVisitor

@@ -13,7 +13,6 @@
 #include <osg/ref_ptr>
 #include <osg/NodeVisitor>
 #include <osg/Geode>
-#include <osg/ValueObject>
 
 #include <osgAnimation/UpdateMatrixTransform>
 #include <osgAnimation/BasicAnimationManager>
@@ -30,32 +29,7 @@
 #include <osgAnimation/RigTransformSoftware>
 
 #include "StatLogger"
-
+#include "glesUtil"
-
-inline bool hasPositiveWeights(const osg::Geometry* geometry) {
-    const osg::Vec4Array* weights = 0;
-
-    for(unsigned int i = 0 ; i < geometry->getNumVertexAttribArrays() ; ++ i) {
-        const osg::Array* attribute = geometry->getVertexAttribArray(i);
-        bool isWeights = false;
-        if(attribute && attribute->getUserValue("weights", isWeights) && isWeights) {
-            weights = dynamic_cast<const osg::Vec4Array*>(attribute);
-            break;
-        }
-    }
-
-    if(weights) {
-        for(osg::Vec4Array::const_iterator weight = weights->begin() ; weight != weights->end() ; ++ weight) {
-            const osg::Vec4& value = *weight;
-            // weights are sorted in decreasing order
-            if(value[0] != 0.f) {
-                return true;
-            }
-        }
-    }
-
-    return false;
-}
 
 
 class HasGeometryVisitor : public osg::NodeVisitor {
@@ -93,559 +67,54 @@ public:
     {}
 
 
-    void apply(osg::Node& node) {
+    void apply(osg::Node&);
-        osgAnimation::BasicAnimationManager* manager = getCallbackType<osgAnimation::BasicAnimationManager>(node.getUpdateCallback());
+    void apply(osg::MatrixTransform&);
-        if(manager) {
+    void apply(osg::Geometry&);
-            _managers[manager] = osg::ref_ptr<osg::Node>(&node);
-            collectAnimationChannels(*manager);
-        }
 
-        collectUpdateCallback(node);
+    void collectUpdateCallback(osg::Node&);
+    void collectAnimationChannels(osgAnimation::BasicAnimationManager&);
 
-        traverse(node);
+    virtual void clean();
-    }
+    void removeAnimation();
 
-    void apply(osg::MatrixTransform& transform) {
+    void cleanInvalidMorphGeometries();
-        HasGeometryVisitor hasData;
+    void cleanInvalidRigGeometries();
-        transform.traverse(hasData);
+    void cleanUnusedMorphTarget();
 
-        if(!hasData.geometry) {
+    void cleanInvalidUpdateMorph();
-            // if animation transforms have no child geometry they are cleanable
-            osgAnimation::Skeleton* skeleton = dynamic_cast<osgAnimation::Skeleton*>(&transform);
-            osgAnimation::Bone* bone = dynamic_cast<osgAnimation::Bone*>(&transform);
-            if(skeleton) {
-                _transforms.push_back(osg::ref_ptr<osgAnimation::Skeleton>(skeleton));
-            }
-            if(bone) {
-                _transforms.push_back(osg::ref_ptr<osgAnimation::Bone>(bone));
-            }
-        }
-
-        osgAnimation::UpdateMatrixTransform* update = getCallbackType<osgAnimation::UpdateMatrixTransform>(transform.getUpdateCallback());
-        if(update) {
-            _updates[update] = osg::ref_ptr<osg::Node>(&transform);
-        }
-
-        traverse(transform);
-    }
-
-
-    void apply(osg::Geometry& geometry) {
-        osgAnimation::MorphGeometry* morphGeometry = 0;
-        osgAnimation::RigGeometry* rigGeometry = dynamic_cast<osgAnimation::RigGeometry*>(&geometry);
-
-        if(rigGeometry) {
-            if(std::find(_rigGeometries.begin(), _rigGeometries.end(), rigGeometry) == _rigGeometries.end()) {
-                _rigGeometries.push_back(rigGeometry);
-            }
-            morphGeometry = dynamic_cast<osgAnimation::MorphGeometry*>(rigGeometry->getSourceGeometry());
-            if(morphGeometry) {
-                _morphGeometries[morphGeometry] = rigGeometry;
-            }
-        }
-        else {
-            morphGeometry = dynamic_cast<osgAnimation::MorphGeometry*>(&geometry);
-            if(morphGeometry && _morphGeometries.count(morphGeometry) == 0) {
-                _morphGeometries[morphGeometry] = 0;
-            }
-        }
-
-        if(morphGeometry) {
-            typedef osgAnimation::MorphGeometry::MorphTargetList MorphTargetList;
-            MorphTargetList morphTargetList = morphGeometry->getMorphTargetList();
-            for(MorphTargetList::iterator morphTarget = morphTargetList.begin(); morphTarget != morphTargetList.end(); ++morphTarget) {
-                osgAnimation::MorphGeometry::MorphTarget& target = *morphTarget;
-                _morphTargets[target.getGeometry()->getName()] = morphGeometry;
-            }
-        }
-    }
-
-    // end of visitor::apply
-
-
-    void collectUpdateCallback(osg::Node& node) {
-        osg::Callback *callBack = node.getUpdateCallback();
-        while(callBack) {
-            BaseAnimationUpdateCallback* update = getCallbackType<BaseAnimationUpdateCallback>(callBack);
-            if(update)  {
-                _updates[update] = osg::ref_ptr<osg::Node>(&node);
-            }
-            callBack = callBack->getNestedCallback();
-        }
-    }
-
-    void collectAnimationChannels(osgAnimation::BasicAnimationManager& manager) {
-        osgAnimation::AnimationList& animations = manager.getAnimationList();
-        for(osgAnimation::AnimationList::iterator animation = animations.begin() ; animation != animations.end() ; ++ animation) {
-            if(animation->valid()) {
-                osgAnimation::ChannelList& channels = (*animation)->getChannels();
-                for(osgAnimation::ChannelList::iterator channel = channels.begin() ; channel != channels.end() ; ++ channel) {
-                    if(channel->valid()) {
-                        _channels.push_back(std::pair<std::string, osgAnimation::Channel*>((*channel)->getTargetName(), channel->get()));
-                    }
-                }
-            }
-        }
-    }
-
-    virtual void clean() {
-        // 1. clean scene graph to only keep 'valid' objects (top to bottom):
-        //     * BasicAnimationManager
-        //     * Animation
-        //     * Target
-        //         * deduplicate successive identical KeyFrames
-        // 2. check if there is still valid animation data in the scene graph.
-        //    If no valid BasicAnimationManager is left, then clean all collected animation data.
-        if(_managers.size() == 0) {
-            OSG_WARN << "Monitor: animation.no_animation_manager" << std::endl;
-        }
-        else if(_managers.size() > 1) {
-            OSG_WARN << "Monitor: animation.multiple_animation_manager" << std::endl;
-        }
-        else {
-            OSG_WARN << "Monitor: animation.single_animation_manager" << std::endl;
-        }
-
-        // only keep animations if we have a single animation manager
-        bool keepAnimations = _managers.size() == 1;
-
-        cleanUnusedMorphTarget();
-        cleanInvalidUpdateMorph();
-
-        for(BasicAnimationManagerMap::iterator manager = _managers.begin() ; keepAnimations && manager != _managers.end() ; ++ manager) {
-            cleanAnimations(*manager->first);
-            if(!isValidAnimationManager(*manager->first)) {
-                if(manager->second.valid()) {
-                    manager->second->removeUpdateCallback(manager->first.get());
-                }
-                keepAnimations = false;
-                OSG_WARN << "No valid animation data found. Removing all animation objects" << std::endl;
-                OSG_WARN << "Monitor: animation.disable_animation" << std::endl;
-            }
-        }
-
-        if(!keepAnimations) {
-            removeAnimation();
-        }
-        else
-        {
-            cleanInvalidMorphGeometries();
-            cleanInvalidRigGeometries();
-        }
-    }
-
-    void removeAnimation() {
-        // * bake rig
-        // * replace animation geometries by static geometries
-        // * remove animation callbacks
-        // * remove animation transforms
-        bakeRigInitialPose();
-        removeAnimatedGeometries();
-        removeAnimationUpdateCallbacks();
-        removeAnimationTransforms();
-    }
-
-    void cleanInvalidMorphGeometries() {
-        // Replace morph geometries by static geometries if:
-        //   * empty morph target list
-        for(MorphGeometryMap::iterator morphGeometry = _morphGeometries.begin() ; morphGeometry != _morphGeometries.end() ; ) {
-            if(morphGeometry->first.valid()) {
-                if(morphGeometry->first.get()->getMorphTargetList().size() == 0) {
-                    OSG_WARN << "Monitor: animation.invalid_morphgeometry" << std::endl;
-                    replaceMorphGeometryByGeometry(*morphGeometry->first.get(), morphGeometry->second);
-                    _morphGeometries.erase(morphGeometry ++);
-                }
-                else {
-                    ++ morphGeometry;
-                }
-            }
-        }
-    }
-
-    void cleanInvalidRigGeometries() {
-        // Replace rig geometries by static geometries if:
-        //   * empty or inexistant vertex influence map
-        //   * no *strictly* positive influence coefficient
-        for(RigGeometryList::iterator iterator = _rigGeometries.begin() ; iterator != _rigGeometries.end() ; ) {
-            osg::ref_ptr<osgAnimation::RigGeometry> rigGeometry = *iterator;
-            if(rigGeometry.valid() && !hasPositiveWeights(rigGeometry->getSourceGeometry())) {
-                OSG_WARN << "Monitor: animation.invalid_riggeometry" << std::endl;
-                replaceRigGeometryBySource(*rigGeometry.get());
-                iterator = _rigGeometries.erase(iterator);
-            }
-            else {
-                ++ iterator;
-            }
-        }
-    }
-
-    void cleanUnusedMorphTarget() {
-        // Removes MorphGeometry targets not updated by any channel
-        std::set<std::string> kept, removed;
-
-        for(NameMorphMap::iterator targetMorph = _morphTargets.begin() ; targetMorph != _morphTargets.end() ; ) {
-            const std::string& target = targetMorph->first;
-            unsigned int count = 0;
-            for(TargetChannelList::const_iterator targetChannel = _channels.begin() ; targetChannel != _channels.end() ; ++ targetChannel) {
-                if(targetChannel->first == target) {
-                    ++ count;
-                }
-            }
-
-            if(count == 0) {
-                removed.insert(target);
-                targetMorph->second->removeMorphTarget(target);
-                _morphTargets.erase(targetMorph ++);
-            }
-            else {
-                kept.insert(target);
-                ++ targetMorph;
-            }
-        }
-
-        if(!removed.empty()) {
-            OSG_WARN << "Monitor: animation.unused_morphtarget" << std::endl;
-            for(TargetChannelList::iterator targetChannel = _channels.begin() ; targetChannel != _channels.end() ; ) {
-                std::string target = targetChannel->first;
-
-                if(removed.find(target) != removed.end()) {
-                    _channels.erase(targetChannel ++);
-                }
-                else {
-                    if(kept.find(target) != kept.end()) {
-                        // update target channel names with the (possibly) new target index in MophTargetList
-                        osgAnimation::MorphGeometry& morphGeometry = *_morphTargets[target];
-                        const osgAnimation::MorphGeometry::MorphTargetList& targets = morphGeometry.getMorphTargetList();
-                        for(unsigned int i = 0 ; i < targets.size() ; ++ i) {
-                            if(targets[i].getGeometry()->getName() == target) {
-                                std::ostringstream oss;
-                                oss << i;
-                                targetChannel->second->setName(oss.str());
-                            }
-                        }
-                    }
-
-                    ++ targetChannel;
-                }
-            }
-        }
-    }
-
-    void cleanInvalidUpdateMorph() {
-        // Removes unused UpdateMorph targets (i.e. name does not match any MorphGeometry target)
-        for(AnimationUpdateCallBackMap::iterator update = _updates.begin() ; update != _updates.end() ; ++ update) {
-            osgAnimation::UpdateMorph *updateMorph = dynamic_cast<osgAnimation::UpdateMorph*>(update->first.get());
-            if(!updateMorph) continue;
-
-            NameSet toRemove;
-            for(unsigned int i = 0, numTarget = updateMorph->getNumTarget(); i < numTarget; ++i) {
-                const std::string& name = updateMorph->getTargetName(i);
-                if(_morphTargets.count(name) == 0) {
-                    toRemove.insert(name);
-                }
-            }
-
-            for(NameSet::iterator targetName = toRemove.begin(); targetName != toRemove.end(); ++targetName) {
-                updateMorph->removeTarget(*targetName);
-            }
-        }
-
-        // Removes empty UpdateMorphCallback
-        for(AnimationUpdateCallBackMap::iterator update = _updates.begin() ; update != _updates.end() ; ) {
-            osgAnimation::UpdateMorph *updateMorph = dynamic_cast<osgAnimation::UpdateMorph*>(update->first.get());
-            if(!updateMorph || updateMorph->getNumTarget() != 0) {
-                ++ update;
-            }
-            else {
-                osg::Callback *callBack = update->second.get()->getUpdateCallback();
-                if(callBack) {
-                    if(callBack == updateMorph)
-                        update->second.get()->setUpdateCallback(callBack->getNestedCallback());
-                    else
-                        callBack->removeNestedCallback(updateMorph);
-                }
-                _updates.erase(update ++);
-            }
-        }
-    }
 
 protected:
-    void warn(const std::string& method, const std::string& label, const osgAnimation::Channel& channel, const std::string& message) const {
+    void warn(const std::string&, const std::string&, const osgAnimation::Channel&, const std::string&) const;
-        OSG_WARN << std::flush << "Warning: " << "[" << method << "] " << "[[" << label << "]] "
-                 << "Channel '" << channel.getName() << "' with target '"  << channel.getTargetName()
-                 << " '" << message << std::endl;
-    }
 
     template<typename T>
-    T* getCallbackType(osg::Callback* callback) {
+    T* getCallbackType(osg::Callback*);
-        if(!callback) return 0;
 
-        T* callback_type = dynamic_cast<T*>(callback);
+    void cleanAnimations(osgAnimation::BasicAnimationManager&);
-        if(callback_type) {
+    void cleanAnimation(osgAnimation::Animation&);
-            return callback_type;
+    void cleanChannel(osgAnimation::Channel&);
-        }
+    bool isValidAnimationManager(const osgAnimation::BasicAnimationManager&) const;
+    bool isValidAnimation(const osgAnimation::Animation&) const;
+    bool isValidChannel(const osgAnimation::Channel&) const;
 
-        return getCallbackType<T>(callback->getNestedCallback());
+    const osgAnimation::StackedTransformElement* getStackedElement(const osgAnimation::StackedTransform&, const std::string&) const;
-    }
+    bool isChannelEqualToStackedTransform(const osgAnimation::Channel&, const osgAnimation::UpdateMatrixTransform*) const;
-
-    void cleanAnimations(osgAnimation::BasicAnimationManager& manager)  {
-        // remove manager's invalid animations
-        osgAnimation::AnimationList& animations = manager.getAnimationList();
-
-        std::vector<osgAnimation::Animation*> invalids;
-        for(osgAnimation::AnimationList::iterator animation = animations.begin() ; animation != animations.end() ; ++ animation) {
-            if(animation->valid()) {
-                cleanAnimation(*animation->get());
-            }
-
-            if(!(animation->valid()) || !isValidAnimation(*animation->get())) {
-                invalids.push_back(animation->get());
-            }
-        }
-
-        for(std::vector<osgAnimation::Animation*>::iterator invalid = invalids.begin() ; invalid != invalids.end() ; ++ invalid) {
-            manager.unregisterAnimation(*invalid);
-        }
-    }
-
-    void cleanAnimation(osgAnimation::Animation& animation) {
-        // remove animation's invalid channels
-        osgAnimation::ChannelList& channels = animation.getChannels();
-        osgAnimation::ChannelList invalids;
-
-        for(osgAnimation::ChannelList::iterator channel = channels.begin() ; channel != channels.end() ; ++ channel) {
-            if(channel->valid()) {
-                cleanChannel(*channel->get());
-            }
-
-            if(!channel->valid() || !isValidChannel(*channel->get())) {
-                invalids.push_back(channel->get());
-            }
-        }
-
-        for(osgAnimation::ChannelList::iterator invalid = invalids.begin() ; invalid != invalids.end() ; ++ invalid) {
-            animation.removeChannel(invalid->get());
-        }
-    }
-
-    void cleanChannel(osgAnimation::Channel& channel) {
-        // deduplicate successive KeyFrames that are identical
-        osgAnimation::Sampler* sampler = channel.getSampler();
-        if(sampler) {
-            osgAnimation::KeyframeContainer* container = sampler->getKeyframeContainer();
-            if(container && container->size()) {
-                unsigned int deduplicated = container->linearInterpolationDeduplicate();
-                if(deduplicated) {
-                    OSG_WARN << "Deduplicated " << deduplicated << " keyframes on channel " << channel.getName() << std::endl;
-                }
-            }
-        }
-    }
-
-    bool isValidAnimationManager(const osgAnimation::BasicAnimationManager& manager) const {
-        // a valid manager has at least one animation and all animations must be valid
-        const osgAnimation::AnimationList& animations = manager.getAnimationList();
-
-        for(osgAnimation::AnimationList::const_iterator animation = animations.begin() ; animation != animations.end() ; ++ animation) {
-            if(!animation->valid() || !isValidAnimation(*animation->get())) {
-                return false;
-            }
-        }
-        return manager.getAnimationList().size() > 0;
-    }
-
-    bool isValidAnimation(const osgAnimation::Animation& animation) const {
-        // a valid animation has at least one channel and all channels must be valid
-        const osgAnimation::ChannelList& channels = animation.getChannels();
-
-        for(osgAnimation::ChannelList::const_iterator channel = channels.begin() ; channel != channels.end() ; ++ channel) {
-            if(!channel->valid() || !isValidChannel(*channel->get())) {
-                return false;
-            }
-        }
-
-        return channels.size() > 0;
-    }
-
-    bool isValidChannel(const osgAnimation::Channel& channel) const {
-        // a valid channel has valid target i.e.
-        // 1. there exists some UpdateMatrixTransform with channel's target name
-        // 2. the channel does not simply mimick the UpdateMatrixTransform content
-        std::string target = channel.getTargetName();
-        for(AnimationUpdateCallBackMap::const_iterator update = _updates.begin() ; update != _updates.end() ; ++ update) {
-            osgAnimation::UpdateMorph *updateMorph = dynamic_cast<osgAnimation::UpdateMorph*>(update->first.get());
-            if(updateMorph) {
-                for(int i = 0, num = updateMorph->getNumTarget(); i < num; ++i) {
-                    if(updateMorph->getTargetName(i) == target) {
-                        return true;
-                    }
-                }
-            }
-            else {
-                if(update->first->getName() == target) {
-                    // check if channel contains necessary data or just mimick the UpdateCallback's StackedTransform
-                    bool channelMimickingTransform = isChannelEqualToStackedTransform(channel,
-                                                                                      dynamic_cast<osgAnimation::UpdateMatrixTransform*>(update->first.get()));
-                    if(channelMimickingTransform) {
-                        warn("isChannelEqualToStackedTransform", "animation", channel, "seems redundant with stacked transform and has been removed.");
-                    }
-                    return !channelMimickingTransform;
-                }
-            }
-        }
-        return false;
-    }
-
-    const osgAnimation::StackedTransformElement* getStackedElement(const osgAnimation::StackedTransform& transforms, const std::string& name) const {
-        for(osgAnimation::StackedTransform::const_iterator transform = transforms.begin() ; transform != transforms.end() ; ++ transform) {
-            if(transform->valid() && transform->get()->getName() == name) {
-                return transform->get();
-            }
-        }
-        return 0;
-    }
-
-    bool isChannelEqualToStackedTransform(const osgAnimation::Channel& channel, const osgAnimation::UpdateMatrixTransform* matrixTransform) const {
-        // if the channel has no 'StackedTransform' we compare the KeyFrame with the 'no-op' transform
-        const osgAnimation::StackedTransformElement* element = getStackedElement(matrixTransform->getStackedTransforms(), channel.getName());
-
-        if(channel.getName() == "translate") {
-            const osgAnimation::StackedTranslateElement* translation = dynamic_cast<const osgAnimation::StackedTranslateElement*>(element);
-            osg::Vec3 value(0., 0., 0.);
-            if(translation) {
-                value = translation->getTranslate();
-            }
-            return isChannelEqualToStackedTransform(dynamic_cast<const osgAnimation::Vec3LinearChannel*>(&channel), value);
-        }
-        else if(channel.getName() == "scale") {
-            const osgAnimation::StackedScaleElement* scale = dynamic_cast<const osgAnimation::StackedScaleElement*>(element);
-            osg::Vec3 value(1., 1., 1.);
-            if(scale) {
-                value = scale->getScale();
-            }
-            return isChannelEqualToStackedTransform(dynamic_cast<const osgAnimation::Vec3LinearChannel*>(&channel), value);
-        }
-        else if(channel.getName() == "rotate") {
-            const osgAnimation::StackedQuaternionElement* rotation = dynamic_cast<const osgAnimation::StackedQuaternionElement*>(element);
-            osg::Quat value(0., 0., 0., 1.);
-            if(rotation) {
-                value = rotation->getQuaternion();
-            }
-            return isChannelEqualToStackedTransform(dynamic_cast<const osgAnimation::QuatSphericalLinearChannel*>(&channel), value);
-        }
-        return false;
-    }
 
     template<typename T, typename V>
-    bool isChannelEqualToStackedTransform(const T* channel, const V& value) const {
+    bool isChannelEqualToStackedTransform(const T*, const V&) const;
-        if(!channel) {
-            return false;
-        }
-
-        const typename T::KeyframeContainerType* keys = channel->getSamplerTyped()->getKeyframeContainerTyped();
-        if(keys->size() == 0) {
-            // channel with no keyframe is equal to anything
-            return true;
-        }
-        if(keys->size() == 1) {
-            return (*keys)[0].getValue() == value;
-        }
-        return false;
-    }
-
-    void removeAnimationUpdateCallbacks() {
-        removeUpdateCallbacksTemplate<AnimationUpdateCallBackMap, osg::NodeCallback>(_updates);
-        removeUpdateCallbacksTemplate<BasicAnimationManagerMap, osgAnimation::BasicAnimationManager>(_managers);
-    }
 
+    void removeAnimationUpdateCallbacks();
     template<typename C, typename T>
-    void removeUpdateCallbacksTemplate(C& callbackNodes) {
+    void removeUpdateCallbacksTemplate(C&);
-        for(typename C::iterator callbackNode = callbackNodes.begin() ; callbackNode != callbackNodes.end() ; ++ callbackNode) {
-            if(callbackNode->first && callbackNode->second.valid()) {
-                osg::Callback* callback = callbackNode->first.get();
-                osg::Node* node = callbackNode->second.get();
-                do {
-                    node->removeUpdateCallback(callback);
-                    callback = getCallbackType<T>(node->getUpdateCallback());
-                }
-                while(callback);
-            }
-        }
-    }
 
-    void removeAnimationTransforms() {
+    void removeAnimationTransforms();
-        for(MatrixTransformList::iterator transform = _transforms.begin() ; transform != _transforms.end() ; ++ transform) {
+    void removeAnimatedGeometries();
-            if(transform->valid()) {
+    void removeFromParents(osg::Node*);
-                removeFromParents(transform->get());
-            }
-        }
-    }
 
-    void removeAnimatedGeometries() {
+    void replaceRigGeometryBySource(osgAnimation::RigGeometry&) const;
-        for(MorphGeometryMap::iterator morphGeometry = _morphGeometries.begin() ; morphGeometry != _morphGeometries.end() ; ++ morphGeometry) {
+    void replaceMorphGeometryByGeometry(osgAnimation::MorphGeometry&, osgAnimation::RigGeometry* /*rigGeometry*/=0) const;
-            if(morphGeometry->first.valid()) {
+    void replaceAnimatedGeometryByStaticGeometry(osg::Geometry*, osg::Geometry*) const;
-                replaceMorphGeometryByGeometry(*morphGeometry->first.get(), morphGeometry->second);
-            }
-        }
 
-        for(RigGeometryList::iterator rigGeometry = _rigGeometries.begin() ; rigGeometry != _rigGeometries.end() ; ++ rigGeometry) {
+    void bakeRigInitialPose();
-            if(rigGeometry->valid()) {
-                replaceRigGeometryBySource(*(rigGeometry->get()));
-            }
-        }
-    }
-
-    void removeFromParents(osg::Node* node) {
-        osg::Node::ParentList parents = node->getParents();
-        for(osg::Node::ParentList::iterator parent = parents.begin() ; parent != parents.end() ; ++ parent) {
-            if(*parent) {
-                (*parent)->removeChild(node);
-            }
-        }
-    }
-
-    void replaceRigGeometryBySource(osgAnimation::RigGeometry& rigGeometry) const {
-        if(osgAnimation::MorphGeometry* source = dynamic_cast<osgAnimation::MorphGeometry*>(rigGeometry.getSourceGeometry())) {
-            osgAnimation::MorphGeometry* morph = new osgAnimation::MorphGeometry(*source);
-            replaceAnimatedGeometryByStaticGeometry(&rigGeometry, morph);
-        }
-        else {
-            replaceAnimatedGeometryByStaticGeometry(&rigGeometry,
-                                                    new osg::Geometry(*rigGeometry.getSourceGeometry()));
-        }
-    }
-
-    void replaceMorphGeometryByGeometry(osgAnimation::MorphGeometry& morphGeometry, osgAnimation::RigGeometry* rigGeometry=0) const {
-        osg::Geometry* geometry = new osg::Geometry(morphGeometry);
-        if(!rigGeometry) {
-            replaceAnimatedGeometryByStaticGeometry(&morphGeometry, geometry);
-        }
-        else {
-            rigGeometry->setSourceGeometry(geometry);
-        }
-    }
-
-    void replaceAnimatedGeometryByStaticGeometry(osg::Geometry* animatedGeometry, osg::Geometry* staticGeometry) const {
-        for(unsigned int i = 0 ; i < animatedGeometry->getNumParents() ; ++ i) {
-            osg::Geode* parent = (animatedGeometry->getParent(i) ? animatedGeometry->getParent(i)->asGeode() : 0);
-            if(parent) {
-                parent->addDrawable(staticGeometry);
-                parent->removeDrawable(animatedGeometry);
-            }
-        }
-    }
-
-    void bakeRigInitialPose() {
-        // use RigTransformSoftware to compute T-pose and replace rig source by computed geometry
-        for(RigGeometryList::iterator rigiterator = _rigGeometries.begin() ; rigiterator != _rigGeometries.end() ; ++ rigiterator) {
-            osgAnimation::RigGeometry* rigGeometry = (*rigiterator).get();
-            rigGeometry->setRigTransformImplementation(new osgAnimation::RigTransformSoftware);
-            rigGeometry->update();
-
-            osg::Geometry* baked = static_cast<osg::Geometry*>(rigGeometry->clone(osg::CopyOp::DEEP_COPY_ALL));
-            rigGeometry->setSourceGeometry(baked);
-        }
-    }
 
 protected:
     BasicAnimationManagerMap _managers;

src/osgPlugins/gles/AnimationCleanerVisitor.cpp

@@ -0,0 +1,589 @@
+#include "AnimationCleanerVisitor"
+
+
+
+void AnimationCleanerVisitor::apply(osg::Node& node) {
+    osgAnimation::BasicAnimationManager* manager = getCallbackType<osgAnimation::BasicAnimationManager>(node.getUpdateCallback());
+    if(manager) {
+        _managers[manager] = osg::ref_ptr<osg::Node>(&node);
+        collectAnimationChannels(*manager);
+    }
+
+    collectUpdateCallback(node);
+
+    traverse(node);
+}
+
+
+void AnimationCleanerVisitor::apply(osg::MatrixTransform& transform) {
+    HasGeometryVisitor hasData;
+    transform.traverse(hasData);
+
+    if(!hasData.geometry) {
+        // if animation transforms have no child geometry they are cleanable
+        osgAnimation::Skeleton* skeleton = dynamic_cast<osgAnimation::Skeleton*>(&transform);
+        osgAnimation::Bone* bone = dynamic_cast<osgAnimation::Bone*>(&transform);
+        if(skeleton) {
+            _transforms.push_back(osg::ref_ptr<osgAnimation::Skeleton>(skeleton));
+        }
+        if(bone) {
+            _transforms.push_back(osg::ref_ptr<osgAnimation::Bone>(bone));
+        }
+    }
+
+    osgAnimation::UpdateMatrixTransform* update = getCallbackType<osgAnimation::UpdateMatrixTransform>(transform.getUpdateCallback());
+    if(update) {
+        _updates[update] = osg::ref_ptr<osg::Node>(&transform);
+    }
+
+    traverse(transform);
+}
+
+
+void AnimationCleanerVisitor::apply(osg::Geometry& geometry) {
+    osgAnimation::MorphGeometry* morphGeometry = 0;
+    osgAnimation::RigGeometry* rigGeometry = dynamic_cast<osgAnimation::RigGeometry*>(&geometry);
+
+    if(rigGeometry) {
+        if(std::find(_rigGeometries.begin(), _rigGeometries.end(), rigGeometry) == _rigGeometries.end()) {
+            _rigGeometries.push_back(rigGeometry);
+        }
+        morphGeometry = dynamic_cast<osgAnimation::MorphGeometry*>(rigGeometry->getSourceGeometry());
+        if(morphGeometry) {
+            _morphGeometries[morphGeometry] = rigGeometry;
+        }
+    }
+    else {
+        morphGeometry = dynamic_cast<osgAnimation::MorphGeometry*>(&geometry);
+        if(morphGeometry && _morphGeometries.count(morphGeometry) == 0) {
+            _morphGeometries[morphGeometry] = 0;
+        }
+    }
+
+    if(morphGeometry) {
+        typedef osgAnimation::MorphGeometry::MorphTargetList MorphTargetList;
+        MorphTargetList morphTargetList = morphGeometry->getMorphTargetList();
+        for(MorphTargetList::iterator morphTarget = morphTargetList.begin(); morphTarget != morphTargetList.end(); ++morphTarget) {
+            osgAnimation::MorphGeometry::MorphTarget& target = *morphTarget;
+            _morphTargets[target.getGeometry()->getName()] = morphGeometry;
+        }
+    }
+}
+
+
+void AnimationCleanerVisitor::collectUpdateCallback(osg::Node& node) {
+    osg::Callback *callBack = node.getUpdateCallback();
+    while(callBack) {
+        BaseAnimationUpdateCallback* update = getCallbackType<BaseAnimationUpdateCallback>(callBack);
+        if(update)  {
+            _updates[update] = osg::ref_ptr<osg::Node>(&node);
+        }
+        callBack = callBack->getNestedCallback();
+    }
+}
+
+
+void AnimationCleanerVisitor::collectAnimationChannels(osgAnimation::BasicAnimationManager& manager) {
+    osgAnimation::AnimationList& animations = manager.getAnimationList();
+    for(osgAnimation::AnimationList::iterator animation = animations.begin() ; animation != animations.end() ; ++ animation) {
+        if(animation->valid()) {
+            osgAnimation::ChannelList& channels = (*animation)->getChannels();
+            for(osgAnimation::ChannelList::iterator channel = channels.begin() ; channel != channels.end() ; ++ channel) {
+                if(channel->valid()) {
+                    _channels.push_back(std::pair<std::string, osgAnimation::Channel*>((*channel)->getTargetName(), channel->get()));
+                }
+            }
+        }
+    }
+}
+
+
+void AnimationCleanerVisitor::clean() {
+    // 1. clean scene graph to only keep 'valid' objects (top to bottom):
+    //     * BasicAnimationManager
+    //     * Animation
+    //     * Target
+    //         * deduplicate successive identical KeyFrames
+    // 2. check if there is still valid animation data in the scene graph.
+    //    If no valid BasicAnimationManager is left, then clean all collected animation data.
+    if(_managers.size() == 0) {
+        OSG_WARN << "Monitor: animation.no_animation_manager" << std::endl;
+    }
+    else if(_managers.size() > 1) {
+        OSG_WARN << "Monitor: animation.multiple_animation_manager" << std::endl;
+    }
+    else {
+        OSG_WARN << "Monitor: animation.single_animation_manager" << std::endl;
+    }
+
+    // only keep animations if we have a single animation manager
+    bool keepAnimations = _managers.size() == 1;
+
+    cleanUnusedMorphTarget();
+    cleanInvalidUpdateMorph();
+
+    for(BasicAnimationManagerMap::iterator manager = _managers.begin() ; keepAnimations && manager != _managers.end() ; ++ manager) {
+        cleanAnimations(*manager->first);
+        if(!isValidAnimationManager(*manager->first)) {
+            if(manager->second.valid()) {
+                manager->second->removeUpdateCallback(manager->first.get());
+            }
+            keepAnimations = false;
+            OSG_WARN << "No valid animation data found. Removing all animation objects" << std::endl;
+            OSG_WARN << "Monitor: animation.disable_animation" << std::endl;
+        }
+    }
+
+    if(!keepAnimations) {
+        removeAnimation();
+    }
+    else
+    {
+        cleanInvalidMorphGeometries();
+        cleanInvalidRigGeometries();
+    }
+}
+
+
+void AnimationCleanerVisitor::removeAnimation() {
+    // * bake rig
+    // * replace animation geometries by static geometries
+    // * remove animation callbacks
+    // * remove animation transforms
+    bakeRigInitialPose();
+    removeAnimatedGeometries();
+    removeAnimationUpdateCallbacks();
+    removeAnimationTransforms();
+}
+
+
+void AnimationCleanerVisitor::cleanInvalidMorphGeometries() {
+    // Replace morph geometries by static geometries if:
+    //   * empty morph target list
+    for(MorphGeometryMap::iterator morphGeometry = _morphGeometries.begin() ; morphGeometry != _morphGeometries.end() ; ) {
+        if(morphGeometry->first.valid()) {
+            if(morphGeometry->first.get()->getMorphTargetList().size() == 0) {
+                OSG_WARN << "Monitor: animation.invalid_morphgeometry" << std::endl;
+                replaceMorphGeometryByGeometry(*morphGeometry->first.get(), morphGeometry->second);
+                _morphGeometries.erase(morphGeometry ++);
+            }
+            else {
+                ++ morphGeometry;
+            }
+        }
+    }
+}
+
+
+void AnimationCleanerVisitor::cleanInvalidRigGeometries() {
+    // Replace rig geometries by static geometries if:
+    //   * empty or inexistant vertex influence map
+    //   * no *strictly* positive influence coefficient
+    for(RigGeometryList::iterator iterator = _rigGeometries.begin() ; iterator != _rigGeometries.end() ; ) {
+        osg::ref_ptr<osgAnimation::RigGeometry> rigGeometry = *iterator;
+        if(rigGeometry.valid() && !glesUtil::hasPositiveWeights(rigGeometry->getSourceGeometry())) {
+            OSG_WARN << "Monitor: animation.invalid_riggeometry" << std::endl;
+            replaceRigGeometryBySource(*rigGeometry.get());
+            iterator = _rigGeometries.erase(iterator);
+        }
+        else {
+            ++ iterator;
+        }
+    }
+}
+
+
+void AnimationCleanerVisitor::cleanUnusedMorphTarget() {
+    // Removes MorphGeometry targets not updated by any channel
+    std::set<std::string> kept, removed;
+
+    for(NameMorphMap::iterator targetMorph = _morphTargets.begin() ; targetMorph != _morphTargets.end() ; ) {
+        const std::string& target = targetMorph->first;
+        unsigned int count = 0;
+        for(TargetChannelList::const_iterator targetChannel = _channels.begin() ; targetChannel != _channels.end() ; ++ targetChannel) {
+            if(targetChannel->first == target) {
+                ++ count;
+            }
+        }
+
+        if(count == 0) {
+            removed.insert(target);
+            targetMorph->second->removeMorphTarget(target);
+            _morphTargets.erase(targetMorph ++);
+        }
+        else {
+            kept.insert(target);
+            ++ targetMorph;
+        }
+    }
+
+    if(!removed.empty()) {
+        OSG_WARN << "Monitor: animation.unused_morphtarget" << std::endl;
+        for(TargetChannelList::iterator targetChannel = _channels.begin() ; targetChannel != _channels.end() ; ) {
+            std::string target = targetChannel->first;
+
+            if(removed.find(target) != removed.end()) {
+                _channels.erase(targetChannel ++);
+            }
+            else {
+                if(kept.find(target) != kept.end()) {
+                    // update target channel names with the (possibly) new target index in MophTargetList
+                    osgAnimation::MorphGeometry& morphGeometry = *_morphTargets[target];
+                    const osgAnimation::MorphGeometry::MorphTargetList& targets = morphGeometry.getMorphTargetList();
+                    for(unsigned int i = 0 ; i < targets.size() ; ++ i) {
+                        if(targets[i].getGeometry()->getName() == target) {
+                            std::ostringstream oss;
+                            oss << i;
+                            targetChannel->second->setName(oss.str());
+                        }
+                    }
+                }
+
+                ++ targetChannel;
+            }
+        }
+    }
+}
+
+
+void AnimationCleanerVisitor::cleanInvalidUpdateMorph() {
+    // Removes unused UpdateMorph targets (i.e. name does not match any MorphGeometry target)
+    for(AnimationUpdateCallBackMap::iterator update = _updates.begin() ; update != _updates.end() ; ++ update) {
+        osgAnimation::UpdateMorph *updateMorph = dynamic_cast<osgAnimation::UpdateMorph*>(update->first.get());
+        if(!updateMorph) continue;
+
+        NameSet toRemove;
+        for(unsigned int i = 0, numTarget = updateMorph->getNumTarget(); i < numTarget; ++i) {
+            const std::string& name = updateMorph->getTargetName(i);
+            if(_morphTargets.count(name) == 0) {
+                toRemove.insert(name);
+            }
+        }
+
+        for(NameSet::iterator targetName = toRemove.begin(); targetName != toRemove.end(); ++targetName) {
+            updateMorph->removeTarget(*targetName);
+        }
+    }
+
+    // Removes empty UpdateMorphCallback
+    for(AnimationUpdateCallBackMap::iterator update = _updates.begin() ; update != _updates.end() ; ) {
+        osgAnimation::UpdateMorph *updateMorph = dynamic_cast<osgAnimation::UpdateMorph*>(update->first.get());
+        if(!updateMorph || updateMorph->getNumTarget() != 0) {
+            ++ update;
+        }
+        else {
+            osg::Callback *callBack = update->second.get()->getUpdateCallback();
+            if(callBack) {
+                if(callBack == updateMorph)
+                    update->second.get()->setUpdateCallback(callBack->getNestedCallback());
+                else
+                    callBack->removeNestedCallback(updateMorph);
+            }
+            _updates.erase(update ++);
+        }
+    }
+}
+
+
+void AnimationCleanerVisitor::warn(const std::string& method,
+                                   const std::string& label,
+                                   const osgAnimation::Channel& channel,
+                                   const std::string& message) const {
+    OSG_WARN << std::flush << "Warning: " << "[" << method << "] " << "[[" << label << "]] "
+                << "Channel '" << channel.getName() << "' with target '"  << channel.getTargetName()
+                << " '" << message << std::endl;
+}
+
+
+template<typename T>
+T* AnimationCleanerVisitor::getCallbackType(osg::Callback* callback) {
+    if(!callback) return 0;
+
+    T* callback_type = dynamic_cast<T*>(callback);
+    if(callback_type) {
+        return callback_type;
+    }
+
+    return getCallbackType<T>(callback->getNestedCallback());
+}
+
+
+void AnimationCleanerVisitor::cleanAnimations(osgAnimation::BasicAnimationManager& manager)  {
+    // remove manager's invalid animations
+    osgAnimation::AnimationList& animations = manager.getAnimationList();
+
+    std::vector<osgAnimation::Animation*> invalids;
+    for(osgAnimation::AnimationList::iterator animation = animations.begin() ; animation != animations.end() ; ++ animation) {
+        if(animation->valid()) {
+            cleanAnimation(*animation->get());
+        }
+
+        if(!(animation->valid()) || !isValidAnimation(*animation->get())) {
+            invalids.push_back(animation->get());
+        }
+    }
+
+    for(std::vector<osgAnimation::Animation*>::iterator invalid = invalids.begin() ; invalid != invalids.end() ; ++ invalid) {
+        manager.unregisterAnimation(*invalid);
+    }
+}
+
+
+void AnimationCleanerVisitor::cleanAnimation(osgAnimation::Animation& animation) {
+    // remove animation's invalid channels
+    osgAnimation::ChannelList& channels = animation.getChannels();
+    osgAnimation::ChannelList invalids;
+
+    for(osgAnimation::ChannelList::iterator channel = channels.begin() ; channel != channels.end() ; ++ channel) {
+        if(channel->valid()) {
+            cleanChannel(*channel->get());
+        }
+
+        if(!channel->valid() || !isValidChannel(*channel->get())) {
+            invalids.push_back(channel->get());
+        }
+    }
+
+    for(osgAnimation::ChannelList::iterator invalid = invalids.begin() ; invalid != invalids.end() ; ++ invalid) {
+        animation.removeChannel(invalid->get());
+    }
+}
+
+
+void AnimationCleanerVisitor::cleanChannel(osgAnimation::Channel& channel) {
+    // deduplicate successive KeyFrames that are identical
+    osgAnimation::Sampler* sampler = channel.getSampler();
+    if(sampler) {
+        osgAnimation::KeyframeContainer* container = sampler->getKeyframeContainer();
+        if(container && container->size()) {
+            unsigned int deduplicated = container->linearInterpolationDeduplicate();
+            if(deduplicated) {
+                OSG_WARN << "Deduplicated " << deduplicated << " keyframes on channel " << channel.getName() << std::endl;
+            }
+        }
+    }
+}
+
+
+bool AnimationCleanerVisitor::isValidAnimationManager(const osgAnimation::BasicAnimationManager& manager) const {
+    // a valid manager has at least one animation and all animations must be valid
+    const osgAnimation::AnimationList& animations = manager.getAnimationList();
+
+    for(osgAnimation::AnimationList::const_iterator animation = animations.begin() ; animation != animations.end() ; ++ animation) {
+        if(!animation->valid() || !isValidAnimation(*animation->get())) {
+            return false;
+        }
+    }
+    return manager.getAnimationList().size() > 0;
+}
+
+
+bool AnimationCleanerVisitor::isValidAnimation(const osgAnimation::Animation& animation) const {
+    // a valid animation has at least one channel and all channels must be valid
+    const osgAnimation::ChannelList& channels = animation.getChannels();
+
+    for(osgAnimation::ChannelList::const_iterator channel = channels.begin() ; channel != channels.end() ; ++ channel) {
+        if(!channel->valid() || !isValidChannel(*channel->get())) {
+            return false;
+        }
+    }
+
+    return channels.size() > 0;
+}
+
+
+bool AnimationCleanerVisitor::isValidChannel(const osgAnimation::Channel& channel) const {
+    // a valid channel has valid target i.e.
+    // 1. there exists some UpdateMatrixTransform with channel's target name
+    // 2. the channel does not simply mimick the UpdateMatrixTransform content
+    std::string target = channel.getTargetName();
+    for(AnimationUpdateCallBackMap::const_iterator update = _updates.begin() ; update != _updates.end() ; ++ update) {
+        osgAnimation::UpdateMorph *updateMorph = dynamic_cast<osgAnimation::UpdateMorph*>(update->first.get());
+        if(updateMorph) {
+            for(int i = 0, num = updateMorph->getNumTarget(); i < num; ++i) {
+                if(updateMorph->getTargetName(i) == target) {
+                    return true;
+                }
+            }
+        }
+        else {
+            if(update->first->getName() == target) {
+                // check if channel contains necessary data or just mimick the UpdateCallback's StackedTransform
+                bool channelMimickingTransform = isChannelEqualToStackedTransform(channel,
+                                                                                    dynamic_cast<osgAnimation::UpdateMatrixTransform*>(update->first.get()));
+                if(channelMimickingTransform) {
+                    warn("isChannelEqualToStackedTransform", "animation", channel, "seems redundant with stacked transform and has been removed.");
+                }
+                return !channelMimickingTransform;
+            }
+        }
+    }
+    return false;
+}
+
+
+const osgAnimation::StackedTransformElement* AnimationCleanerVisitor::getStackedElement(const osgAnimation::StackedTransform& transforms,
+                                                                                        const std::string& name) const {
+    for(osgAnimation::StackedTransform::const_iterator transform = transforms.begin() ; transform != transforms.end() ; ++ transform) {
+        if(transform->valid() && transform->get()->getName() == name) {
+            return transform->get();
+        }
+    }
+    return 0;
+}
+
+
+bool AnimationCleanerVisitor::isChannelEqualToStackedTransform(const osgAnimation::Channel& channel,
+                                                               const osgAnimation::UpdateMatrixTransform* matrixTransform) const {
+    // if the channel has no 'StackedTransform' we compare the KeyFrame with the 'no-op' transform
+    const osgAnimation::StackedTransformElement* element = getStackedElement(matrixTransform->getStackedTransforms(), channel.getName());
+
+    if(channel.getName() == "translate") {
+        const osgAnimation::StackedTranslateElement* translation = dynamic_cast<const osgAnimation::StackedTranslateElement*>(element);
+        osg::Vec3 value(0., 0., 0.);
+        if(translation) {
+            value = translation->getTranslate();
+        }
+        return isChannelEqualToStackedTransform(dynamic_cast<const osgAnimation::Vec3LinearChannel*>(&channel), value);
+    }
+    else if(channel.getName() == "scale") {
+        const osgAnimation::StackedScaleElement* scale = dynamic_cast<const osgAnimation::StackedScaleElement*>(element);
+        osg::Vec3 value(1., 1., 1.);
+        if(scale) {
+            value = scale->getScale();
+        }
+        return isChannelEqualToStackedTransform(dynamic_cast<const osgAnimation::Vec3LinearChannel*>(&channel), value);
+    }
+    else if(channel.getName() == "rotate") {
+        const osgAnimation::StackedQuaternionElement* rotation = dynamic_cast<const osgAnimation::StackedQuaternionElement*>(element);
+        osg::Quat value(0., 0., 0., 1.);
+        if(rotation) {
+            value = rotation->getQuaternion();
+        }
+        return isChannelEqualToStackedTransform(dynamic_cast<const osgAnimation::QuatSphericalLinearChannel*>(&channel), value);
+    }
+    return false;
+}
+
+
+template<typename T, typename V>
+bool AnimationCleanerVisitor::isChannelEqualToStackedTransform(const T* channel, const V& value) const {
+    if(!channel) {
+        return false;
+    }
+
+    const typename T::KeyframeContainerType* keys = channel->getSamplerTyped()->getKeyframeContainerTyped();
+    if(keys->size() == 0) {
+        // channel with no keyframe is equal to anything
+        return true;
+    }
+    if(keys->size() == 1) {
+        return (*keys)[0].getValue() == value;
+    }
+    return false;
+}
+
+
+void AnimationCleanerVisitor::removeAnimationUpdateCallbacks() {
+    removeUpdateCallbacksTemplate<AnimationUpdateCallBackMap, osg::NodeCallback>(_updates);
+    removeUpdateCallbacksTemplate<BasicAnimationManagerMap, osgAnimation::BasicAnimationManager>(_managers);
+}
+
+
+template<typename C, typename T>
+void AnimationCleanerVisitor::removeUpdateCallbacksTemplate(C& callbackNodes) {
+    for(typename C::iterator callbackNode = callbackNodes.begin() ; callbackNode != callbackNodes.end() ; ++ callbackNode) {
+        if(callbackNode->first && callbackNode->second.valid()) {
+            osg::Callback* callback = callbackNode->first.get();
+            osg::Node* node = callbackNode->second.get();
+            do {
+                node->removeUpdateCallback(callback);
+                callback = getCallbackType<T>(node->getUpdateCallback());
+            }
+            while(callback);
+        }
+    }
+}
+
+
+void AnimationCleanerVisitor::removeAnimationTransforms() {
+    for(MatrixTransformList::iterator transform = _transforms.begin() ; transform != _transforms.end() ; ++ transform) {
+        if(transform->valid()) {
+            removeFromParents(transform->get());
+        }
+    }
+}
+
+
+void AnimationCleanerVisitor::removeAnimatedGeometries() {
+    for(MorphGeometryMap::iterator morphGeometry = _morphGeometries.begin() ; morphGeometry != _morphGeometries.end() ; ++ morphGeometry) {
+        if(morphGeometry->first.valid()) {
+            replaceMorphGeometryByGeometry(*morphGeometry->first.get(), morphGeometry->second);
+        }
+    }
+
+    for(RigGeometryList::iterator rigGeometry = _rigGeometries.begin() ; rigGeometry != _rigGeometries.end() ; ++ rigGeometry) {
+        if(rigGeometry->valid()) {
+            replaceRigGeometryBySource(*(rigGeometry->get()));
+        }
+    }
+}
+
+
+void AnimationCleanerVisitor::removeFromParents(osg::Node* node) {
+    osg::Node::ParentList parents = node->getParents();
+    for(osg::Node::ParentList::iterator parent = parents.begin() ; parent != parents.end() ; ++ parent) {
+        if(*parent) {
+            (*parent)->removeChild(node);
+        }
+    }
+}
+
+
+void AnimationCleanerVisitor::replaceRigGeometryBySource(osgAnimation::RigGeometry& rigGeometry) const {
+    if(osgAnimation::MorphGeometry* source = dynamic_cast<osgAnimation::MorphGeometry*>(rigGeometry.getSourceGeometry())) {
+        osgAnimation::MorphGeometry* morph = new osgAnimation::MorphGeometry(*source);
+        replaceAnimatedGeometryByStaticGeometry(&rigGeometry, morph);
+    }
+    else {
+        replaceAnimatedGeometryByStaticGeometry(&rigGeometry,
+                                                new osg::Geometry(*rigGeometry.getSourceGeometry()));
+    }
+}
+
+
+void AnimationCleanerVisitor::replaceMorphGeometryByGeometry(osgAnimation::MorphGeometry& morphGeometry,
+                                                             osgAnimation::RigGeometry* rigGeometry) const {
+    osg::Geometry* geometry = new osg::Geometry(morphGeometry);
+    if(!rigGeometry) {
+        replaceAnimatedGeometryByStaticGeometry(&morphGeometry, geometry);
+    }
+    else {
+        rigGeometry->setSourceGeometry(geometry);
+    }
+}
+
+
+void AnimationCleanerVisitor::replaceAnimatedGeometryByStaticGeometry(osg::Geometry* animatedGeometry,
+                                                                      osg::Geometry* staticGeometry) const {
+    for(unsigned int i = 0 ; i < animatedGeometry->getNumParents() ; ++ i) {
+        osg::Geode* parent = (animatedGeometry->getParent(i) ? animatedGeometry->getParent(i)->asGeode() : 0);
+        if(parent) {
+            parent->addDrawable(staticGeometry);
+            parent->removeDrawable(animatedGeometry);
+        }
+    }
+}
+
+
+void AnimationCleanerVisitor::bakeRigInitialPose() {
+    // use RigTransformSoftware to compute T-pose and replace rig source by computed geometry
+    for(RigGeometryList::iterator rigiterator = _rigGeometries.begin() ; rigiterator != _rigGeometries.end() ; ++ rigiterator) {
+        osgAnimation::RigGeometry* rigGeometry = (*rigiterator).get();
+        rigGeometry->setRigTransformImplementation(new osgAnimation::RigTransformSoftware);
+        rigGeometry->update();
+
+        osg::Geometry* baked = static_cast<osg::Geometry*>(rigGeometry->clone(osg::CopyOp::DEEP_COPY_ALL));
+        rigGeometry->setSourceGeometry(baked);
+    }
+}

src/osgPlugins/gles/BindPerVertexVisitor

@@ -19,289 +19,20 @@
 // TODO: deprecated
 class BindPerVertexVisitor : public GeometryUniqueVisitor {
 public:
-    BindPerVertexVisitor(): GeometryUniqueVisitor("BindPerVertexVisitor")
+    BindPerVertexVisitor():
+        GeometryUniqueVisitor("BindPerVertexVisitor")
     {}
 
-    void process(osg::Geometry& geometry) {
+    void process(osg::Geometry&);
-        if (geometry.getNormalArray() && geometry.getNormalBinding() != osg::Geometry::BIND_PER_VERTEX) {
-            bindPerVertex(geometry.getNormalArray(),
-                          geometry.getNormalBinding(),
-                          geometry.getPrimitiveSetList());
-            geometry.setNormalBinding(osg::Geometry::BIND_PER_VERTEX);
-        }
-
-        if (geometry.getColorArray() && geometry.getColorBinding() != osg::Geometry::BIND_PER_VERTEX) {
-            bindPerVertex(geometry.getColorArray(),
-                          geometry.getColorBinding(),
-                          geometry.getPrimitiveSetList());
-            geometry.setColorBinding(osg::Geometry::BIND_PER_VERTEX);
-        }
-
-        if (geometry.getSecondaryColorArray() && geometry.getSecondaryColorBinding() != osg::Geometry::BIND_PER_VERTEX) {
-            bindPerVertex(geometry.getSecondaryColorArray(),
-                          geometry.getSecondaryColorBinding(),
-                          geometry.getPrimitiveSetList());
-            geometry.setSecondaryColorBinding(osg::Geometry::BIND_PER_VERTEX);
-        }
-
-        if (geometry.getFogCoordArray() && geometry.getFogCoordBinding() != osg::Geometry::BIND_PER_VERTEX) {
-            bindPerVertex(geometry.getFogCoordArray(),
-                          geometry.getFogCoordBinding(),
-                          geometry.getPrimitiveSetList());
-            geometry.setFogCoordBinding(osg::Geometry::BIND_PER_VERTEX);
-        }
-    };
 
 protected:
-    void bindPerVertex(osg::Array* src,
+    void bindPerVertex(osg::Array*, osg::Geometry::AttributeBinding, osg::Geometry::PrimitiveSetList&);
-                       osg::Geometry::AttributeBinding fromBinding,
-                       osg::Geometry::PrimitiveSetList& primitives) {
-        if (doConvert<osg::ByteArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::ShortArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::IntArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::UByteArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::UShortArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::UIntArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::FloatArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::DoubleArray>(src, fromBinding, primitives))
-            return;
-
-        if (doConvert<osg::Vec2Array>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec3Array>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec4Array>(src, fromBinding, primitives))
-            return;
-
-        if (doConvert<osg::Vec2bArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec3bArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec4bArray>(src, fromBinding, primitives))
-            return;
-
-        if (doConvert<osg::Vec2sArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec3sArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec4sArray>(src, fromBinding, primitives))
-            return;
-
-        if (doConvert<osg::Vec2iArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec3iArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec4iArray>(src, fromBinding, primitives))
-            return;
-
-        if (doConvert<osg::Vec2dArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec3dArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec4dArray>(src, fromBinding, primitives))
-            return;
-
-        if (doConvert<osg::Vec2ubArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec3ubArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec4ubArray>(src, fromBinding, primitives))
-            return;
-
-        if (doConvert<osg::Vec2usArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec3usArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec4usArray>(src, fromBinding, primitives))
-            return;
-
-        if (doConvert<osg::Vec2uiArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec3uiArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::Vec4uiArray>(src, fromBinding, primitives))
-            return;
-
-        if (doConvert<osg::MatrixfArray>(src, fromBinding, primitives))
-            return;
-        if (doConvert<osg::MatrixdArray>(src, fromBinding, primitives))
-            return;
-
-    }
 
     template <class T>
-    bool doConvert(osg::Array* src,
+    bool doConvert(osg::Array*, osg::Geometry::AttributeBinding, osg::Geometry::PrimitiveSetList&);
-                   osg::Geometry::AttributeBinding fromBinding,
-                   osg::Geometry::PrimitiveSetList& primitives) {
-        T* array= dynamic_cast<T*>(src);
-        if (array) {
-            convert(*array, fromBinding, primitives);
-            return true;
-        }
-        return false;
-    }
 
     template <class T>
-    void convert(T& array,
+    void convert(T&, osg::Geometry::AttributeBinding, osg::Geometry::PrimitiveSetList&);
-                 osg::Geometry::AttributeBinding fromBinding,
-                 osg::Geometry::PrimitiveSetList& primitives)
-    {
-        osg::ref_ptr<T> result = new T();
-        for (unsigned int p = 0; p < primitives.size(); p++) {
-            switch ( primitives[p]->getMode() ) {
-            case osg::PrimitiveSet::POINTS:
-                osg::notify(osg::WARN) << "ConvertToBindPerVertex not supported for POINTS" << std::endl;
-                break;
-
-            case osg::PrimitiveSet::LINE_STRIP:
-                switch(fromBinding) {
-                case osg::Geometry::BIND_OFF:
-                case osg::Geometry::BIND_PER_VERTEX:
-                    break;
-                case osg::Geometry::BIND_OVERALL:
-                {
-                    for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
-                        result->push_back(array[0]);
-                }
-                break;
-                case osg::Geometry::BIND_PER_PRIMITIVE_SET:
-                {
-                    unsigned int nb = primitives[p]->getNumIndices();
-                    for (unsigned int i = 0; i < nb; i++)
-                        result->push_back(array[p]);
-                }
-                break;
-                }
-                break;
-
-            case osg::PrimitiveSet::LINES:
-                switch(fromBinding) {
-                case osg::Geometry::BIND_OFF:
-                case osg::Geometry::BIND_PER_VERTEX:
-                    break;
-                case osg::Geometry::BIND_OVERALL:
-                {
-                    for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
-                        result->push_back(array[0]);
-                }
-                break;
-                case osg::Geometry::BIND_PER_PRIMITIVE_SET:
-                {
-                    unsigned int nb = primitives[p]->getNumIndices();
-                    for (unsigned int i = 0; i < nb; i++)
-                        result->push_back(array[p]);
-                }
-                break;
-                }
-                break;
-
-            case osg::PrimitiveSet::TRIANGLES:
-                switch(fromBinding) {
-                case osg::Geometry::BIND_OFF:
-                case osg::Geometry::BIND_PER_VERTEX:
-                    break;
-                case osg::Geometry::BIND_OVERALL:
-                {
-                    for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
-                        result->push_back(array[0]);
-                }
-                break;
-                case osg::Geometry::BIND_PER_PRIMITIVE_SET:
-                {
-                    unsigned int nb = primitives[p]->getNumIndices();
-                    for (unsigned int i = 0; i < nb; i++)
-                        result->push_back(array[p]);
-                }
-                break;
-                }
-                break;
-
-            case osg::PrimitiveSet::TRIANGLE_STRIP:
-                switch(fromBinding) {
-                case osg::Geometry::BIND_OFF:
-                case osg::Geometry::BIND_PER_VERTEX:
-                    break;
-                case osg::Geometry::BIND_OVERALL:
-                {
-                    for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
-                        result->push_back(array[0]);
-                }
-                break;
-                case osg::Geometry::BIND_PER_PRIMITIVE_SET:
-                {
-                    osg::notify(osg::FATAL) << "Can't convert Array from BIND_PER_PRIMITIVE_SET to BIND_PER_VERTEX, for TRIANGLE_STRIP" << std::endl;
-                }
-                break;
-                }
-                break;
-
-            case osg::PrimitiveSet::TRIANGLE_FAN:
-                switch(fromBinding) {
-                case osg::Geometry::BIND_OFF:
-                case osg::Geometry::BIND_PER_VERTEX:
-                    break;
-                case osg::Geometry::BIND_OVERALL:
-                {
-                    for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
-                        result->push_back(array[0]);
-                }
-                break;
-                case osg::Geometry::BIND_PER_PRIMITIVE_SET:
-                {
-                    osg::notify(osg::FATAL) << "Can't convert Array from BIND_PER_PRIMITIVE_SET to BIND_PER_VERTEX, for TRIANGLE_FAN" << std::endl;
-                }
-                break;
-                }
-                break;
-
-            case osg::PrimitiveSet::QUADS:
-                switch(fromBinding) {
-                case osg::Geometry::BIND_OFF:
-                case osg::Geometry::BIND_PER_VERTEX:
-                    break;
-                case osg::Geometry::BIND_OVERALL:
-                {
-                    for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
-                        result->push_back(array[0]);
-                }
-                break;
-                case osg::Geometry::BIND_PER_PRIMITIVE_SET:
-                {
-                    osg::notify(osg::FATAL) << "Can't convert Array from BIND_PER_PRIMITIVE_SET to BIND_PER_VERTEX, for QUADS" << std::endl;
-                }
-                break;
-                }
-                break;
-
-            case osg::PrimitiveSet::QUAD_STRIP:
-                switch(fromBinding) {
-                case osg::Geometry::BIND_OFF:
-                case osg::Geometry::BIND_PER_VERTEX:
-                    break;
-                case osg::Geometry::BIND_OVERALL:
-                {
-                    for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
-                        result->push_back(array[0]);
-                }
-                break;
-                case osg::Geometry::BIND_PER_PRIMITIVE_SET:
-                {
-                    osg::notify(osg::FATAL) << "Can't convert Array from BIND_PER_PRIMITIVE_SET to BIND_PER_VERTEX, for QUAD_STRIP" << std::endl;
-                }
-                break;
-                }
-                break;
-            }
-        }
-        array = *result;
-    }
 };
 
 #endif

src/osgPlugins/gles/BindPerVertexVisitor.cpp

@@ -0,0 +1,283 @@
+#include "BindPerVertexVisitor"
+
+
+void BindPerVertexVisitor::process(osg::Geometry& geometry) {
+    if (geometry.getNormalArray() && geometry.getNormalBinding() != osg::Geometry::BIND_PER_VERTEX) {
+        bindPerVertex(geometry.getNormalArray(),
+                      geometry.getNormalBinding(),
+                      geometry.getPrimitiveSetList());
+        geometry.setNormalBinding(osg::Geometry::BIND_PER_VERTEX);
+    }
+
+    if (geometry.getColorArray() && geometry.getColorBinding() != osg::Geometry::BIND_PER_VERTEX) {
+        bindPerVertex(geometry.getColorArray(),
+                      geometry.getColorBinding(),
+                      geometry.getPrimitiveSetList());
+        geometry.setColorBinding(osg::Geometry::BIND_PER_VERTEX);
+    }
+
+    if (geometry.getSecondaryColorArray() && geometry.getSecondaryColorBinding() != osg::Geometry::BIND_PER_VERTEX) {
+        bindPerVertex(geometry.getSecondaryColorArray(),
+                      geometry.getSecondaryColorBinding(),
+                      geometry.getPrimitiveSetList());
+        geometry.setSecondaryColorBinding(osg::Geometry::BIND_PER_VERTEX);
+    }
+
+    if (geometry.getFogCoordArray() && geometry.getFogCoordBinding() != osg::Geometry::BIND_PER_VERTEX) {
+        bindPerVertex(geometry.getFogCoordArray(),
+                      geometry.getFogCoordBinding(),
+                      geometry.getPrimitiveSetList());
+        geometry.setFogCoordBinding(osg::Geometry::BIND_PER_VERTEX);
+    }
+}
+
+
+void BindPerVertexVisitor::bindPerVertex(osg::Array* src,
+                                         osg::Geometry::AttributeBinding fromBinding,
+                                         osg::Geometry::PrimitiveSetList& primitives) {
+    if (doConvert<osg::ByteArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::ShortArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::IntArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::UByteArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::UShortArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::UIntArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::FloatArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::DoubleArray>(src, fromBinding, primitives))
+        return;
+
+    if (doConvert<osg::Vec2Array>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec3Array>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec4Array>(src, fromBinding, primitives))
+        return;
+
+    if (doConvert<osg::Vec2bArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec3bArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec4bArray>(src, fromBinding, primitives))
+        return;
+
+    if (doConvert<osg::Vec2sArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec3sArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec4sArray>(src, fromBinding, primitives))
+        return;
+
+    if (doConvert<osg::Vec2iArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec3iArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec4iArray>(src, fromBinding, primitives))
+        return;
+
+    if (doConvert<osg::Vec2dArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec3dArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec4dArray>(src, fromBinding, primitives))
+        return;
+
+    if (doConvert<osg::Vec2ubArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec3ubArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec4ubArray>(src, fromBinding, primitives))
+        return;
+
+    if (doConvert<osg::Vec2usArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec3usArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec4usArray>(src, fromBinding, primitives))
+        return;
+
+    if (doConvert<osg::Vec2uiArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec3uiArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::Vec4uiArray>(src, fromBinding, primitives))
+        return;
+
+    if (doConvert<osg::MatrixfArray>(src, fromBinding, primitives))
+        return;
+    if (doConvert<osg::MatrixdArray>(src, fromBinding, primitives))
+        return;
+}
+
+
+template <class T>
+bool BindPerVertexVisitor::doConvert(osg::Array* src,
+                                     osg::Geometry::AttributeBinding fromBinding,
+                                     osg::Geometry::PrimitiveSetList& primitives) {
+    T* array= dynamic_cast<T*>(src);
+    if (array) {
+        convert(*array, fromBinding, primitives);
+        return true;
+    }
+    return false;
+}
+
+
+template <class T>
+void BindPerVertexVisitor::convert(T& array,
+                                   osg::Geometry::AttributeBinding fromBinding,
+                                   osg::Geometry::PrimitiveSetList& primitives) {
+    osg::ref_ptr<T> result = new T();
+    for (unsigned int p = 0; p < primitives.size(); p++) {
+        switch ( primitives[p]->getMode() ) {
+        case osg::PrimitiveSet::POINTS:
+            osg::notify(osg::WARN) << "ConvertToBindPerVertex not supported for POINTS" << std::endl;
+            break;
+
+        case osg::PrimitiveSet::LINE_STRIP:
+            switch(fromBinding) {
+            case osg::Geometry::BIND_OFF:
+            case osg::Geometry::BIND_PER_VERTEX:
+                break;
+            case osg::Geometry::BIND_OVERALL:
+            {
+                for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
+                    result->push_back(array[0]);
+            }
+            break;
+            case osg::Geometry::BIND_PER_PRIMITIVE_SET:
+            {
+                unsigned int nb = primitives[p]->getNumIndices();
+                for (unsigned int i = 0; i < nb; i++)
+                    result->push_back(array[p]);
+            }
+            break;
+            }
+            break;
+
+        case osg::PrimitiveSet::LINES:
+            switch(fromBinding) {
+            case osg::Geometry::BIND_OFF:
+            case osg::Geometry::BIND_PER_VERTEX:
+                break;
+            case osg::Geometry::BIND_OVERALL:
+            {
+                for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
+                    result->push_back(array[0]);
+            }
+            break;
+            case osg::Geometry::BIND_PER_PRIMITIVE_SET:
+            {
+                unsigned int nb = primitives[p]->getNumIndices();
+                for (unsigned int i = 0; i < nb; i++)
+                    result->push_back(array[p]);
+            }
+            break;
+            }
+            break;
+
+        case osg::PrimitiveSet::TRIANGLES:
+            switch(fromBinding) {
+            case osg::Geometry::BIND_OFF:
+            case osg::Geometry::BIND_PER_VERTEX:
+                break;
+            case osg::Geometry::BIND_OVERALL:
+            {
+                for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
+                    result->push_back(array[0]);
+            }
+            break;
+            case osg::Geometry::BIND_PER_PRIMITIVE_SET:
+            {
+                unsigned int nb = primitives[p]->getNumIndices();
+                for (unsigned int i = 0; i < nb; i++)
+                    result->push_back(array[p]);
+            }
+            break;
+            }
+            break;
+
+        case osg::PrimitiveSet::TRIANGLE_STRIP:
+            switch(fromBinding) {
+            case osg::Geometry::BIND_OFF:
+            case osg::Geometry::BIND_PER_VERTEX:
+                break;
+            case osg::Geometry::BIND_OVERALL:
+            {
+                for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
+                    result->push_back(array[0]);
+            }
+            break;
+            case osg::Geometry::BIND_PER_PRIMITIVE_SET:
+            {
+                osg::notify(osg::FATAL) << "Can't convert Array from BIND_PER_PRIMITIVE_SET to BIND_PER_VERTEX, for TRIANGLE_STRIP" << std::endl;
+            }
+            break;
+            }
+            break;
+
+        case osg::PrimitiveSet::TRIANGLE_FAN:
+            switch(fromBinding) {
+            case osg::Geometry::BIND_OFF:
+            case osg::Geometry::BIND_PER_VERTEX:
+                break;
+            case osg::Geometry::BIND_OVERALL:
+            {
+                for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
+                    result->push_back(array[0]);
+            }
+            break;
+            case osg::Geometry::BIND_PER_PRIMITIVE_SET:
+            {
+                osg::notify(osg::FATAL) << "Can't convert Array from BIND_PER_PRIMITIVE_SET to BIND_PER_VERTEX, for TRIANGLE_FAN" << std::endl;
+            }
+            break;
+            }
+            break;
+
+        case osg::PrimitiveSet::QUADS:
+            switch(fromBinding) {
+            case osg::Geometry::BIND_OFF:
+            case osg::Geometry::BIND_PER_VERTEX:
+                break;
+            case osg::Geometry::BIND_OVERALL:
+            {
+                for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
+                    result->push_back(array[0]);
+            }
+            break;
+            case osg::Geometry::BIND_PER_PRIMITIVE_SET:
+            {
+                osg::notify(osg::FATAL) << "Can't convert Array from BIND_PER_PRIMITIVE_SET to BIND_PER_VERTEX, for QUADS" << std::endl;
+            }
+            break;
+            }
+            break;
+
+        case osg::PrimitiveSet::QUAD_STRIP:
+            switch(fromBinding) {
+            case osg::Geometry::BIND_OFF:
+            case osg::Geometry::BIND_PER_VERTEX:
+                break;
+            case osg::Geometry::BIND_OVERALL:
+            {
+                for (unsigned int i = 0; i < primitives[p]->getNumIndices(); i++)
+                    result->push_back(array[0]);
+            }
+            break;
+            case osg::Geometry::BIND_PER_PRIMITIVE_SET:
+            {
+                osg::notify(osg::FATAL) << "Can't convert Array from BIND_PER_PRIMITIVE_SET to BIND_PER_VERTEX, for QUAD_STRIP" << std::endl;
+            }
+            break;
+            }
+            break;
+        }
+    }
+    array = *result;
+}

src/osgPlugins/gles/CMakeLists.txt

@@ -1,6 +1,17 @@
 SET(TARGET_SRC
     ReaderWriterGLES.cpp
+    AABBonBoneVisitor.cpp
+    AnimationCleanerVisitor.cpp
+    BindPerVertexVisitor.cpp
+    DetachPrimitiveVisitor.cpp
+    GeometryIndexSplitter.cpp
+    GeometrySplitterVisitor.cpp
+    SubGeometry.cpp
     OpenGLESGeometryOptimizer.cpp
+    RigAnimationVisitor.cpp
+    RigAttributesVisitor.cpp
+    TriangleMeshSmoother.cpp
+    TangentSpaceVisitor.cpp
     TriangleStripVisitor.cpp
     IndexMeshVisitor.cpp
     UnIndexMeshVisitor.cpp)
@@ -15,6 +26,7 @@ SET(TARGET_H
     DrawArrayVisitor
     EdgeIndexFunctor
     GeometryArray
+    GeometryIndexSplitter
     GeometryInspector
     GeometrySplitterVisitor
     GeometryUniqueVisitor
@@ -35,6 +47,7 @@ SET(TARGET_H
     SubGeometry
     TangentSpaceVisitor
     TriangleMeshGraph
+    TriangleMeshSmoother
     TriangleStripVisitor
     UnIndexMeshVisitor
     WireframeVisitor

src/osgPlugins/gles/DetachPrimitiveVisitor

@@ -23,140 +23,23 @@ public:
         _userValue(userValue), _keepGeometryAttributes(keepGeometryAttributes), _inlined(inlined)
     {}
 
-    void reparentDuplicatedGeometry(osg::Geometry& geometry, osg::Geometry& duplicated)
+    void reparentDuplicatedGeometry(osg::Geometry&, osg::Geometry&);
-    {
+    void process(osg::Geometry&);
-        unsigned int nbParents = geometry.getNumParents();
+    void process(osgAnimation::RigGeometry&);
-        for(unsigned int i = 0 ; i < nbParents ; ++ i) {
-            osg::Node* parent = geometry.getParent(i);
-            if(parent && parent->asGeode()) {
-                osg::Geode* geode = parent->asGeode();
-                geode->addDrawable(&duplicated);
-
-                if(!_inlined) {
-                    geode->removeDrawable(&duplicated);
-                }
-            }
-        }
-    }
-
-    void process(osg::Geometry& geometry) {
-        if(shouldDetach(geometry)) {
-            osg::Geometry* detached = detachGeometry(geometry);
-            reparentDuplicatedGeometry(geometry, *detached);
-            setProcessed(detached);
-        }
-    }
-
-    void process(osgAnimation::RigGeometry& rigGeometry) {
-        return process(static_cast<osg::Geometry&>(rigGeometry));
-    }
 
 protected:
-    bool shouldDetach(const osg::Geometry& geometry) const {
+    bool shouldDetach(const osg::Geometry&) const;
-        if(const osgAnimation::RigGeometry* rigGeometry = dynamic_cast<const osgAnimation::RigGeometry*>(&geometry)) {
-            return shouldDetach(*rigGeometry->getSourceGeometry());
-        }
 
-        bool detach = false;
+    osg::Geometry* detachGeometry(osg::Geometry&);
-        for(unsigned int i = 0 ; i < geometry.getNumPrimitiveSets() ; ++ i) {
+    osg::Geometry* makeDetachedGeometry(osg::Geometry&);
-            const osg::PrimitiveSet* primitive = geometry.getPrimitiveSet(i);
+    osg::Geometry* createDetachedGeometry(osg::Geometry&);
-            if(primitive && primitive->getUserValue(_userValue, detach) && detach) {
-                return true;
-            }
-        }
-        return false;
-    }
 
-    osg::Geometry* detachGeometry(osg::Geometry& source) {
+    osg::Geometry::PrimitiveSetList createDetachedPrimitives(osg::Geometry&);
-        // filter vertex buffers depending on geometry type
+    osgAnimation::MorphGeometry* createDetachedGeometry(osgAnimation::MorphGeometry&);
-        osg::Geometry* detached = makeDetachedGeometry(source);
+    osg::Geometry* createDetachedGeometry(osgAnimation::RigGeometry&);
-        detached->setUserValue(_userValue, true);
-        return detached;
-    }
 
-    osg::Geometry* makeDetachedGeometry(osg::Geometry& geometry) {
-        if(osgAnimation::RigGeometry* rigGeometry = dynamic_cast<osgAnimation::RigGeometry*>(&geometry)) {
-            return createDetachedGeometry(*rigGeometry);
-        }
-        if(osgAnimation::MorphGeometry* morphGeometry = dynamic_cast<osgAnimation::MorphGeometry*>(&geometry)) {
-            return createDetachedGeometry(*morphGeometry);
-        }
-        return createDetachedGeometry(geometry);
-    }
-
-    osg::Geometry* createDetachedGeometry(osg::Geometry& source) {
-        osg::Geometry* detached = new osg::Geometry(source, osg::CopyOp::SHALLOW_COPY);
-        if(!_keepGeometryAttributes) {
-            // we keep only vertexes and clean all other attributes and values
-            detached->setNormalArray(0);
-            detached->setColorArray(0);
-            detached->setSecondaryColorArray(0);
-            detached->setFogCoordArray(0);
-            for (unsigned int i = 0 ; i < source.getNumTexCoordArrays(); ++ i) {
-                detached->setTexCoordArray(i, 0);
-            }
-            detached->getVertexAttribArrayList().clear();
-            detached->setStateSet(0);
-            detached->setUserDataContainer(0);
-        }
-
-        detached->setPrimitiveSetList(createDetachedPrimitives(source));
-        return detached;
-    }
-
-    osg::Geometry::PrimitiveSetList createDetachedPrimitives(osg::Geometry& source) {
-        // filter primitivesets
-        osg::Geometry::PrimitiveSetList detachedPrimitives;
-        for(int i = source.getNumPrimitiveSets() - 1 ; i >= 0 ; -- i) {
-            osg::PrimitiveSet* primitive = source.getPrimitiveSet(i);
-            bool isTrue = false;
-            if(primitive && primitive->getUserValue(_userValue, isTrue) && isTrue) {
-                detachedPrimitives.push_back(primitive);
-                source.removePrimitiveSet(i);
-            }
-        }
-        return detachedPrimitives;
-    }
-
-    osgAnimation::MorphGeometry* createDetachedGeometry(osgAnimation::MorphGeometry& source) {
-        osgAnimation::MorphGeometry* detached = new osgAnimation::MorphGeometry(*createDetachedGeometry(static_cast<osg::Geometry&>(source)));
-        detached->setVertexArray(source.getVertexArray());
-
-        osgAnimation::MorphGeometry::MorphTargetList& targets = source.getMorphTargetList();
-        for(osgAnimation::MorphGeometry::MorphTargetList::iterator target = targets.begin() ; target != targets.end() ; ++ target) {
-            detached->addMorphTarget(target->getGeometry(), target->getWeight());
-        }
-        return detached;
-    }
-
-    osg::Geometry* createDetachedGeometry(osgAnimation::RigGeometry& source) {
-        osgAnimation::RigGeometry* detached;
-        if(!_keepGeometryAttributes) {
-            detached = new osgAnimation::RigGeometry();
-            detached->setSourceGeometry(makeDetachedGeometry(*source.getSourceGeometry()));
-
-            // Only keep vertexes and Bones/Weights attrib arrays
-            detached->setVertexArray(source.getVertexArray());
-            for(unsigned int i = 0 ; i < source.getVertexAttribArrayList().size() ; ++ i) {
-                osg::Array* attribute = source.getVertexAttribArray(i);
-                if(attribute) {
-                    bool isBones = false;
-                    bool isWeights = false;
-                    attribute->getUserValue("bones", isBones);
-                    attribute->getUserValue("weights", isWeights);
-                    if (isBones || isWeights) {
-                        detached->setVertexAttribArray(i, source.getVertexAttribArray(i));
-                    }
-                }
-            }
-        }
-        else {
-            detached = new osgAnimation::RigGeometry(source, osg::CopyOp::SHALLOW_COPY);
-        }
-
-        return detached;
-    }
 
+protected:
     std::string _userValue;
     bool _keepGeometryAttributes;
     bool _inlined;

src/osgPlugins/gles/DetachPrimitiveVisitor.cpp

@@ -0,0 +1,142 @@
+#include "DetachPrimitiveVisitor"
+
+void DetachPrimitiveVisitor::reparentDuplicatedGeometry(osg::Geometry& geometry, osg::Geometry& duplicated) {
+    unsigned int nbParents = geometry.getNumParents();
+    for(unsigned int i = 0 ; i < nbParents ; ++ i) {
+        osg::Node* parent = geometry.getParent(i);
+        if(parent && parent->asGeode()) {
+            osg::Geode* geode = parent->asGeode();
+            geode->addDrawable(&duplicated);
+
+            if(!_inlined) {
+                geode->removeDrawable(&duplicated);
+            }
+        }
+    }
+}
+
+
+void DetachPrimitiveVisitor::process(osg::Geometry& geometry) {
+    if(shouldDetach(geometry)) {
+        osg::Geometry* detached = detachGeometry(geometry);
+        reparentDuplicatedGeometry(geometry, *detached);
+        setProcessed(detached);
+    }
+}
+
+
+void DetachPrimitiveVisitor::process(osgAnimation::RigGeometry& rigGeometry) {
+    return process(static_cast<osg::Geometry&>(rigGeometry));
+}
+
+
+bool DetachPrimitiveVisitor::shouldDetach(const osg::Geometry& geometry) const {
+    if(const osgAnimation::RigGeometry* rigGeometry = dynamic_cast<const osgAnimation::RigGeometry*>(&geometry)) {
+        return shouldDetach(*rigGeometry->getSourceGeometry());
+    }
+
+    bool detach = false;
+    for(unsigned int i = 0 ; i < geometry.getNumPrimitiveSets() ; ++ i) {
+        const osg::PrimitiveSet* primitive = geometry.getPrimitiveSet(i);
+        if(primitive && primitive->getUserValue(_userValue, detach) && detach) {
+            return true;
+        }
+    }
+    return false;
+}
+
+
+osg::Geometry* DetachPrimitiveVisitor::detachGeometry(osg::Geometry& source) {
+    // filter vertex buffers depending on geometry type
+    osg::Geometry* detached = makeDetachedGeometry(source);
+    detached->setUserValue(_userValue, true);
+    return detached;
+}
+
+
+osg::Geometry* DetachPrimitiveVisitor::makeDetachedGeometry(osg::Geometry& geometry) {
+    if(osgAnimation::RigGeometry* rigGeometry = dynamic_cast<osgAnimation::RigGeometry*>(&geometry)) {
+        return createDetachedGeometry(*rigGeometry);
+    }
+    if(osgAnimation::MorphGeometry* morphGeometry = dynamic_cast<osgAnimation::MorphGeometry*>(&geometry)) {
+        return createDetachedGeometry(*morphGeometry);
+    }
+    return createDetachedGeometry(geometry);
+}
+
+
+osg::Geometry* DetachPrimitiveVisitor::createDetachedGeometry(osg::Geometry& source) {
+    osg::Geometry* detached = new osg::Geometry(source, osg::CopyOp::SHALLOW_COPY);
+    if(!_keepGeometryAttributes) {
+        // we keep only vertexes and clean all other attributes and values
+        detached->setNormalArray(0);
+        detached->setColorArray(0);
+        detached->setSecondaryColorArray(0);
+        detached->setFogCoordArray(0);
+        for (unsigned int i = 0 ; i < source.getNumTexCoordArrays(); ++ i) {
+            detached->setTexCoordArray(i, 0);
+        }
+        detached->getVertexAttribArrayList().clear();
+        detached->setStateSet(0);
+        detached->setUserDataContainer(0);
+    }
+
+    detached->setPrimitiveSetList(createDetachedPrimitives(source));
+    return detached;
+}
+
+
+osg::Geometry::PrimitiveSetList DetachPrimitiveVisitor::createDetachedPrimitives(osg::Geometry& source) {
+    // filter primitivesets
+    osg::Geometry::PrimitiveSetList detachedPrimitives;
+    for(int i = source.getNumPrimitiveSets() - 1 ; i >= 0 ; -- i) {
+        osg::PrimitiveSet* primitive = source.getPrimitiveSet(i);
+        bool isTrue = false;
+        if(primitive && primitive->getUserValue(_userValue, isTrue) && isTrue) {
+            detachedPrimitives.push_back(primitive);
+            source.removePrimitiveSet(i);
+        }
+    }
+    return detachedPrimitives;
+}
+
+
+osgAnimation::MorphGeometry* DetachPrimitiveVisitor::createDetachedGeometry(osgAnimation::MorphGeometry& source) {
+    osgAnimation::MorphGeometry* detached = new osgAnimation::MorphGeometry(*createDetachedGeometry(static_cast<osg::Geometry&>(source)));
+    detached->setVertexArray(source.getVertexArray());
+
+    osgAnimation::MorphGeometry::MorphTargetList& targets = source.getMorphTargetList();
+    for(osgAnimation::MorphGeometry::MorphTargetList::iterator target = targets.begin() ; target != targets.end() ; ++ target) {
+        detached->addMorphTarget(target->getGeometry(), target->getWeight());
+    }
+    return detached;
+}
+
+
+osg::Geometry* DetachPrimitiveVisitor::createDetachedGeometry(osgAnimation::RigGeometry& source) {
+    osgAnimation::RigGeometry* detached;
+    if(!_keepGeometryAttributes) {
+        detached = new osgAnimation::RigGeometry();
+        detached->setSourceGeometry(makeDetachedGeometry(*source.getSourceGeometry()));
+
+        // Only keep vertexes and Bones/Weights attrib arrays
+        detached->setVertexArray(source.getVertexArray());
+        for(unsigned int i = 0 ; i < source.getVertexAttribArrayList().size() ; ++ i) {
+            osg::Array* attribute = source.getVertexAttribArray(i);
+            if(attribute) {
+                bool isBones = false;
+                bool isWeights = false;
+                attribute->getUserValue("bones", isBones);
+                attribute->getUserValue("weights", isWeights);
+                if (isBones || isWeights) {
+                    detached->setVertexAttribArray(i, source.getVertexAttribArray(i));
+                }
+            }
+        }
+    }
+    else {
+        detached = new osgAnimation::RigGeometry(source, osg::CopyOp::SHALLOW_COPY);
+    }
+
+    return detached;
+}

src/osgPlugins/gles/GeometryIndexSplitter

@@ -0,0 +1,78 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) Sketchfab
+ *
+ * This application is open source and may be redistributed and/or modified
+ * freely and without restriction, both in commercial and non commercial
+ * applications, as long as this copyright notice is maintained.
+ *
+ * This application is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+*/
+
+#ifndef GEOMETRY_INDEX_SPLITTER
+#define GEOMETRY_INDEX_SPLITTER
+
+#include <limits>
+#include <algorithm>
+
+#include <osg/ref_ptr>
+#include <osg/Geometry>
+#include <osg/PrimitiveSet>
+#include <osg/ValueObject>
+#include <osgUtil/MeshOptimizers>
+
+#include <osgAnimation/RigGeometry>
+
+#include "glesUtil"
+#include "GeometryArray"
+#include "TriangleMeshGraph"
+#include "SubGeometry"
+#include "Line"
+
+
+class GeometryIndexSplitter
+{
+protected:
+    class IndexCache : public IndexDeque {
+    public:
+        IndexCache(unsigned int size=64) : _size(size)
+        {}
+
+        void push_back(unsigned int value) {
+            IndexDeque::push_back(value);
+            if(size() > _size) pop_front();
+        }
+    protected:
+        unsigned int _size;
+    };
+
+public:
+    typedef std::vector< osg::ref_ptr<osg::Geometry> > GeometryList;
+
+    GeometryIndexSplitter(unsigned int maxAllowedIndex):
+        _maxAllowedIndex(maxAllowedIndex)
+    {}
+
+    bool split(osg::Geometry&);
+
+    unsigned int findCandidate(const IndexVector&);
+    unsigned int findCandidate(const IndexVector&, const IndexVector&);
+    void setTriangleCluster(const TriangleMeshGraph&, unsigned int, unsigned int, IndexVector&, IndexSet&, unsigned int&);
+    void extract_primitives(const IndexSet&, const osg::DrawElements*, IndexVector&, unsigned int);
+
+protected:
+    bool needToSplit(const osg::Geometry&) const;
+    bool needToSplit(const osg::DrawElements&) const;
+    void attachBufferBoundingBox(osg::Geometry&) const;
+
+    template<typename T>
+    void setBufferBoundingBox(T*) const;
+    void setValidIndices(std::set<unsigned int>&, const osg::DrawElements*) const;
+
+public:
+    const unsigned int _maxAllowedIndex;
+    GeometryList _geometryList;
+};
+
+#endif

src/osgPlugins/gles/GeometryIndexSplitter.cpp

@@ -0,0 +1,285 @@
+#include "GeometryIndexSplitter"
+
+
+bool GeometryIndexSplitter::split(osg::Geometry& geometry) {
+    if(!needToSplit(geometry)) {
+        _geometryList.push_back(&geometry);
+        return false;
+    }
+
+    // keep bounding box data as user value if needed in subsequent processing
+    attachBufferBoundingBox(geometry);
+
+    osg::DrawElements *wire_primitive = 0,
+                        *line_primitive = 0,
+                        *point_primitive = 0;
+    for(unsigned int i = 0 ; i < geometry.getNumPrimitiveSets() ; ++ i) {
+        osg::DrawElements* primitive = (geometry.getPrimitiveSet(i) ? geometry.getPrimitiveSet(i)->getDrawElements() : 0);
+        if(primitive) {
+            if(primitive->getMode() == osg::PrimitiveSet::LINES) {
+                bool isWireframe = false;
+                if(primitive->getUserValue("wireframe", isWireframe) && isWireframe) {
+                    wire_primitive = primitive;
+                }
+                else {
+                    line_primitive = primitive;
+                }
+            }
+            else if(primitive->getMode() == osg::PrimitiveSet::POINTS) {
+                point_primitive = primitive;
+            }
+        }
+    }
+
+    // only wireframe can be processed directly as they simply "duplicate" triangle or edge data;
+    // lines/points may reference points not used for triangles so we keep a set of primitives
+    // that remain to process
+    LineSet source_lines;
+    IndexSet source_points;
+
+    if(line_primitive) {
+        for(unsigned int i = 0 ; i < line_primitive->getNumIndices() ; i += 2) {
+            source_lines.insert(Line(line_primitive->index(i), line_primitive->index(i + 1)));
+        }
+    }
+    if(point_primitive) {
+        for(unsigned int i = 0 ; i < point_primitive->getNumIndices() ; ++ i) {
+            source_points.insert(point_primitive->index(i));
+        }
+    }
+
+    TriangleMeshGraph graph(geometry, false);
+    unsigned int remaining_triangles = graph.getNumTriangles(),
+                    cluster = 0;
+    IndexVector clusters(remaining_triangles, 0);
+    IndexCache cache;
+
+    // assign a cluster id for each triangle
+    // 1. bootstrap cluster by selecting first remaining triangle
+    // 2. while cluster size is < max cluster size
+    //   2.1 look for a triangle that is a neighbor of one cluster triangle (considering N last cluster triangles from cache)
+    //   2.2 if 2.1 was not successful and there still is room for 3 new vertices (i.e. a full new triangle) then
+    //       add any (might share an edge/vertex/nothing with existing cluster) triangle
+    //   2.3 if we still have lines/points, add anything we can 'naively'
+    // 3. insert wireframe edges corresponding to selected triangles
+    // 4. extract subgeometry
+
+    while(remaining_triangles || !source_lines.empty() || !source_points.empty()) {
+        IndexVector subtriangles, subwireframe, sublines, subpoints;
+        IndexSet cluster_vertices;
+
+        ++ cluster;
+
+        if(remaining_triangles) {
+            // find first unmarked triangle (as remaining_triangles > 0 there *must* be at least one)
+            cache.push_back(findCandidate(clusters));
+            setTriangleCluster(graph, cache.back(), cluster, clusters, cluster_vertices, remaining_triangles);
+
+            while(remaining_triangles && cluster_vertices.size() < _maxAllowedIndex) {
+                unsigned int candidate = std::numeric_limits<unsigned int>::max();
+
+                for(IndexCache::const_reverse_iterator cached = cache.rbegin() ; cached != cache.rend() ; ++ cached) {
+                    candidate = findCandidate(graph.triangleNeighbors(*cached), clusters);
+                    if(candidate != std::numeric_limits<unsigned int>::max()) break;
+                }
+
+                if(candidate == std::numeric_limits<unsigned int>::max()) {
+                    // do we have room for a triangle having all vertices not in the cluster?
+                    if(!(cluster_vertices.size() + 2 < _maxAllowedIndex)) {
+                        break;
+                    }
+
+                    candidate = findCandidate(clusters);
+                }
+
+                cache.push_back(candidate);
+                setTriangleCluster(graph, candidate, cluster, clusters, cluster_vertices, remaining_triangles);
+            }
+
+            // build list of cluster triangles
+            for(unsigned int triangle = 0 ; triangle < clusters.size() ; ++ triangle) {
+                if(clusters[triangle] == cluster) {
+                    const Triangle& t = graph.triangle(triangle);
+                    subtriangles.push_back(t.v1());
+                    subtriangles.push_back(t.v2());
+                    subtriangles.push_back(t.v3());
+                }
+            }
+
+            // update lines/points: if all vertices referenced by a point/line primitive are
+            // already extracted, let's insert it in the subgeometry and update the set of
+            // primitives still remaining Lines may e.g. reference one vertex in cluster A and
+            // the other in cluster B hence need specific care
+            if(line_primitive) {
+                extract_primitives(cluster_vertices, line_primitive, sublines, 2);
+                for(unsigned int i = 0 ; i < sublines.size() / 2 ; i += 2) {
+                    source_lines.erase(Line(sublines[i], sublines[i + 1]));
+                }
+            }
+
+            if(point_primitive) {
+                extract_primitives(cluster_vertices, point_primitive, subpoints, 1);
+                for(unsigned int i = 0 ; i < subpoints.size() ; ++ i) {
+                    source_points.erase(subpoints[i]);
+                }
+            }
+        }
+
+        // let's consider that every new lines adds 2 vertices for simplicity
+        while(!source_lines.empty() && cluster_vertices.size() - 1 < _maxAllowedIndex) {
+            Line line = *source_lines.begin();
+            source_lines.erase(source_lines.begin());
+            cluster_vertices.insert(line._a);
+            cluster_vertices.insert(line._b);
+            sublines.push_back(line._a);
+            sublines.push_back(line._b);
+        }
+
+        while(!source_points.empty() && cluster_vertices.size() < _maxAllowedIndex) {
+            unsigned int point = *source_points.begin();
+            source_points.erase(source_points.begin());
+            cluster_vertices.insert(point);
+            subpoints.push_back(point);
+        }
+
+        // finally extract wireframe (may originate from triangles or lines but necessarily have
+        // to reference vertices that are *all* in the geometry)
+        if(wire_primitive) {
+            extract_primitives(cluster_vertices, wire_primitive, subwireframe, 2);
+        }
+
+        _geometryList.push_back(SubGeometry(geometry,
+                                            subtriangles,
+                                            sublines,
+                                            subwireframe,
+                                            subpoints).geometry());
+    }
+
+    osg::notify(osg::NOTICE) << "geometry " << &geometry << " " << geometry.getName()
+                                << " vertexes (" << geometry.getVertexArray()->getNumElements()
+                                << ") has DrawElements index > " << _maxAllowedIndex << ", splitted to "
+                                << _geometryList.size() << " geometry" << std::endl;
+
+    return true;
+}
+
+
+unsigned int GeometryIndexSplitter::findCandidate(const IndexVector& clusters) {
+    for(unsigned int i = 0 ; i < clusters.size() ; ++ i) {
+        if(!clusters[i]) {
+            return i;
+        }
+    }
+    return std::numeric_limits<unsigned int>::max();
+}
+
+
+unsigned int GeometryIndexSplitter::findCandidate(const IndexVector& candidates, const IndexVector& clusters) {
+    for(IndexVector::const_iterator candidate = candidates.begin() ; candidate != candidates.end() ; ++ candidate) {
+        if(!clusters[*candidate]) {
+            return *candidate;
+        }
+    }
+    return std::numeric_limits<unsigned int>::max();
+}
+
+
+void GeometryIndexSplitter::setTriangleCluster(const TriangleMeshGraph& graph,
+                                               unsigned int triangle,
+                                               unsigned int cluster,
+                                               IndexVector& clusters,
+                                               IndexSet& cluster_vertices,
+                                               unsigned int& remaining) {
+    clusters[triangle] = cluster;
+    const Triangle& t = graph.triangle(triangle);
+    cluster_vertices.insert(t.v1());
+    cluster_vertices.insert(t.v2());
+    cluster_vertices.insert(t.v3());
+    remaining --;
+}
+
+
+void GeometryIndexSplitter::extract_primitives(const IndexSet& vertices,
+                                               const osg::DrawElements* elements,
+                                               IndexVector& indices,
+                                               unsigned int primitive_size) {
+    for(unsigned int i = 0 ; i < elements->getNumIndices() ; i += primitive_size) {
+        bool is_included = true;
+        for(unsigned int j = 0 ; j < primitive_size ; ++ j) {
+            if(!vertices.count(elements->index(i + j))) {
+                is_included = false;
+                break;
+            }
+        }
+
+        if(is_included) {
+            for(unsigned int j = 0 ; j < primitive_size ; ++ j) {
+                indices.push_back(elements->index(i + j));
+            }
+        }
+    }
+}
+
+
+bool GeometryIndexSplitter::needToSplit(const osg::Geometry& geometry) const {
+    for(unsigned int i = 0; i < geometry.getNumPrimitiveSets(); ++ i) {
+        const osg::DrawElements* primitive = geometry.getPrimitiveSet(i)->getDrawElements();
+        if (primitive && needToSplit(*primitive)) {
+            return true;
+        }
+    }
+    return false;
+}
+
+
+bool GeometryIndexSplitter::needToSplit(const osg::DrawElements& primitive) const {
+    for(unsigned int j = 0; j < primitive.getNumIndices(); j++) {
+        if (primitive.index(j) > _maxAllowedIndex){
+            return true;
+        }
+    }
+    return false;
+}
+
+
+void GeometryIndexSplitter::attachBufferBoundingBox(osg::Geometry& geometry) const {
+    // positions
+    setBufferBoundingBox(dynamic_cast<osg::Vec3Array*>(geometry.getVertexArray()));
+    // uvs
+    for(unsigned int i = 0 ; i < geometry.getNumTexCoordArrays() ; ++ i) {
+        setBufferBoundingBox(dynamic_cast<osg::Vec2Array*>(geometry.getTexCoordArray(i)));
+    }
+}
+
+
+template<typename T>
+void GeometryIndexSplitter::setBufferBoundingBox(T* buffer) const {
+    if(!buffer) return;
+
+    typename T::ElementDataType bbl;
+    typename T::ElementDataType ufr;
+    const unsigned int dimension = buffer->getDataSize();
+
+    if(buffer->getNumElements()) {
+        for(unsigned int i = 0 ; i < dimension ; ++i) {
+            bbl[i] = ufr[i] = (*buffer->begin())[i];
+        }
+
+        for(typename T::const_iterator it = buffer->begin() + 1 ; it != buffer->end() ; ++ it) {
+            for(unsigned int i = 0 ; i < dimension ; ++ i) {
+                bbl[i] = std::min(bbl[i], (*it)[i]);
+                ufr[i] = std::max(ufr[i], (*it)[i]);
+            }
+        }
+
+        buffer->setUserValue("bbl", bbl);
+        buffer->setUserValue("ufr", ufr);
+    }
+}
+
+
+void GeometryIndexSplitter::setValidIndices(std::set<unsigned int>& indices, const osg::DrawElements* primitive) const {
+    for(unsigned int j = 0 ; j < primitive->getNumIndices() ; ++ j) {
+        indices.insert(primitive->index(j));
+    }
+}

src/osgPlugins/gles/GeometrySplitterVisitor

@@ -13,328 +13,13 @@
 #ifndef GEOMETRY_SPLITTER_VISITOR
 #define GEOMETRY_SPLITTER_VISITOR
 
-#include <set>
+#include <map>
-#include <limits>
-#include <algorithm>
 
 #include <osg/ref_ptr>
 #include <osg/Geometry>
-#include <osg/PrimitiveSet>
-#include <osg/ValueObject>
-#include <osgUtil/MeshOptimizers>
-
 #include <osgAnimation/RigGeometry>
 
-#include "glesUtil"
-#include "GeometryArray"
 #include "GeometryUniqueVisitor"
-#include "AnimationCleanerVisitor"
-#include "TriangleMeshGraph"
-#include "SubGeometry"
-#include "Line"
-
-
-
-class GeometryIndexSplitter
-{
-protected:
-    class IndexCache : public IndexDeque {
-    public:
-        IndexCache(unsigned int size=64) : _size(size)
-        {}
-
-        void push_back(unsigned int value) {
-            IndexDeque::push_back(value);
-            if(size() > _size) pop_front();
-        }
-    protected:
-        unsigned int _size;
-    };
-
-public:
-    typedef std::vector< osg::ref_ptr<osg::Geometry> > GeometryList;
-
-    GeometryIndexSplitter(unsigned int maxAllowedIndex):
-        _maxAllowedIndex(maxAllowedIndex)
-    {}
-
-    bool split(osg::Geometry& geometry) {
-        if(!needToSplit(geometry)) {
-            _geometryList.push_back(&geometry);
-            return false;
-        }
-
-        // keep bounding box data as user value if needed in subsequent processing
-        attachBufferBoundingBox(geometry);
-
-        osg::DrawElements *wire_primitive = 0,
-                          *line_primitive = 0,
-                          *point_primitive = 0;
-        for(unsigned int i = 0 ; i < geometry.getNumPrimitiveSets() ; ++ i) {
-            osg::DrawElements* primitive = (geometry.getPrimitiveSet(i) ? geometry.getPrimitiveSet(i)->getDrawElements() : 0);
-            if(primitive) {
-                if(primitive->getMode() == osg::PrimitiveSet::LINES) {
-                    bool isWireframe = false;
-                    if(primitive->getUserValue("wireframe", isWireframe) && isWireframe) {
-                        wire_primitive = primitive;
-                    }
-                    else {
-                        line_primitive = primitive;
-                    }
-                }
-                else if(primitive->getMode() == osg::PrimitiveSet::POINTS) {
-                    point_primitive = primitive;
-                }
-            }
-        }
-
-        // only wireframe can be processed directly as they simply "duplicate" triangle or edge data;
-        // lines/points may reference points not used for triangles so we keep a set of primitives
-        // that remain to process
-        LineSet source_lines;
-        IndexSet source_points;
-
-        if(line_primitive) {
-            for(unsigned int i = 0 ; i < line_primitive->getNumIndices() ; i += 2) {
-                source_lines.insert(Line(line_primitive->index(i), line_primitive->index(i + 1)));
-            }
-        }
-        if(point_primitive) {
-            for(unsigned int i = 0 ; i < point_primitive->getNumIndices() ; ++ i) {
-                source_points.insert(point_primitive->index(i));
-            }
-        }
-
-        TriangleMeshGraph graph(geometry, false);
-        unsigned int remaining_triangles = graph.getNumTriangles(),
-                     cluster = 0;
-        IndexVector clusters(remaining_triangles, 0);
-        IndexCache cache;
-
-        // assign a cluster id for each triangle
-        // 1. bootstrap cluster by selecting first remaining triangle
-        // 2. while cluster size is < max cluster size
-        //   2.1 look for a triangle that is a neighbor of one cluster triangle (considering N last cluster triangles from cache)
-        //   2.2 if 2.1 was not successful and there still is room for 3 new vertices (i.e. a full new triangle) then
-        //       add any (might share an edge/vertex/nothing with existing cluster) triangle
-        //   2.3 if we still have lines/points, add anything we can 'naively'
-        // 3. insert wireframe edges corresponding to selected triangles
-        // 4. extract subgeometry
-
-        while(remaining_triangles || !source_lines.empty() || !source_points.empty()) {
-            IndexVector subtriangles, subwireframe, sublines, subpoints;
-            IndexSet cluster_vertices;
-
-            ++ cluster;
-
-            if(remaining_triangles) {
-                // find first unmarked triangle (as remaining_triangles > 0 there *must* be at least one)
-                cache.push_back(findCandidate(clusters));
-                setTriangleCluster(graph, cache.back(), cluster, clusters, cluster_vertices, remaining_triangles);
-
-                while(remaining_triangles && cluster_vertices.size() < _maxAllowedIndex) {
-                    unsigned int candidate = std::numeric_limits<unsigned int>::max();
-
-                    for(IndexCache::const_reverse_iterator cached = cache.rbegin() ; cached != cache.rend() ; ++ cached) {
-                        candidate = findCandidate(graph.triangleNeighbors(*cached), clusters);
-                        if(candidate != std::numeric_limits<unsigned int>::max()) break;
-                    }
-
-                    if(candidate == std::numeric_limits<unsigned int>::max()) {
-                        // do we have room for a triangle having all vertices not in the cluster?
-                        if(!(cluster_vertices.size() + 2 < _maxAllowedIndex)) {
-                            break;
-                        }
-
-                        candidate = findCandidate(clusters);
-                    }
-
-                    cache.push_back(candidate);
-                    setTriangleCluster(graph, candidate, cluster, clusters, cluster_vertices, remaining_triangles);
-                }
-
-                // build list of cluster triangles
-                for(unsigned int triangle = 0 ; triangle < clusters.size() ; ++ triangle) {
-                    if(clusters[triangle] == cluster) {
-                        const Triangle& t = graph.triangle(triangle);
-                        subtriangles.push_back(t.v1());
-                        subtriangles.push_back(t.v2());
-                        subtriangles.push_back(t.v3());
-                    }
-                }
-
-                // update lines/points: if all vertices referenced by a point/line primitive are
-                // already extracted, let's insert it in the subgeometry and update the set of
-                // primitives still remaining Lines may e.g. reference one vertex in cluster A and
-                // the other in cluster B hence need specific care
-                if(line_primitive) {
-                    extract_primitives(cluster_vertices, line_primitive, sublines, 2);
-                    for(unsigned int i = 0 ; i < sublines.size() / 2 ; i += 2) {
-                        source_lines.erase(Line(sublines[i], sublines[i + 1]));
-                    }
-                }
-
-                if(point_primitive) {
-                    extract_primitives(cluster_vertices, point_primitive, subpoints, 1);
-                    for(unsigned int i = 0 ; i < subpoints.size() ; ++ i) {
-                        source_points.erase(subpoints[i]);
-                    }
-                }
-            }
-
-            // let's consider that every new lines adds 2 vertices for simplicity
-            while(!source_lines.empty() && cluster_vertices.size() - 1 < _maxAllowedIndex) {
-                Line line = *source_lines.begin();
-                source_lines.erase(source_lines.begin());
-                cluster_vertices.insert(line._a);
-                cluster_vertices.insert(line._b);
-                sublines.push_back(line._a);
-                sublines.push_back(line._b);
-            }
-
-            while(!source_points.empty() && cluster_vertices.size() < _maxAllowedIndex) {
-                unsigned int point = *source_points.begin();
-                source_points.erase(source_points.begin());
-                cluster_vertices.insert(point);
-                subpoints.push_back(point);
-            }
-
-            // finally extract wireframe (may originate from triangles or lines but necessarily have
-            // to reference vertices that are *all* in the geometry)
-            if(wire_primitive) {
-                extract_primitives(cluster_vertices, wire_primitive, subwireframe, 2);
-            }
-
-            _geometryList.push_back(SubGeometry(geometry,
-                                                subtriangles,
-                                                sublines,
-                                                subwireframe,
-                                                subpoints).geometry());
-        }
-
-        osg::notify(osg::NOTICE) << "geometry " << &geometry << " " << geometry.getName()
-                                 << " vertexes (" << geometry.getVertexArray()->getNumElements()
-                                 << ") has DrawElements index > " << _maxAllowedIndex << ", splitted to "
-                                 << _geometryList.size() << " geometry" << std::endl;
-
-        return true;
-    }
-
-    unsigned int findCandidate(const IndexVector& clusters) {
-        for(unsigned int i = 0 ; i < clusters.size() ; ++ i) {
-            if(!clusters[i]) {
-                return i;
-            }
-        }
-        return std::numeric_limits<unsigned int>::max();
-    }
-
-    unsigned int findCandidate(const IndexVector& candidates, const IndexVector& clusters) {
-        for(IndexVector::const_iterator candidate = candidates.begin() ; candidate != candidates.end() ; ++ candidate) {
-            if(!clusters[*candidate]) {
-                return *candidate;
-            }
-        }
-        return std::numeric_limits<unsigned int>::max();
-    }
-
-    void setTriangleCluster(const TriangleMeshGraph& graph,
-                            unsigned int triangle,
-                            unsigned int cluster,
-                            IndexVector& clusters,
-                            IndexSet& cluster_vertices,
-                            unsigned int& remaining) {
-        clusters[triangle] = cluster;
-        const Triangle& t = graph.triangle(triangle);
-        cluster_vertices.insert(t.v1());
-        cluster_vertices.insert(t.v2());
-        cluster_vertices.insert(t.v3());
-        remaining --;
-    }
-
-    void extract_primitives(const IndexSet& vertices, const osg::DrawElements* elements, IndexVector& indices, unsigned int primitive_size) {
-        for(unsigned int i = 0 ; i < elements->getNumIndices() ; i += primitive_size) {
-            bool is_included = true;
-            for(unsigned int j = 0 ; j < primitive_size ; ++ j) {
-                if(!vertices.count(elements->index(i + j))) {
-                    is_included = false;
-                    break;
-                }
-            }
-
-            if(is_included) {
-                for(unsigned int j = 0 ; j < primitive_size ; ++ j) {
-                    indices.push_back(elements->index(i + j));
-                }
-            }
-        }
-    }
-
-protected:
-    bool needToSplit(const osg::Geometry& geometry) const {
-        for(unsigned int i = 0; i < geometry.getNumPrimitiveSets(); ++ i) {
-            const osg::DrawElements* primitive = geometry.getPrimitiveSet(i)->getDrawElements();
-            if (primitive && needToSplit(*primitive)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    bool needToSplit(const osg::DrawElements& primitive) const {
-        for(unsigned int j = 0; j < primitive.getNumIndices(); j++) {
-            if (primitive.index(j) > _maxAllowedIndex){
-                return true;
-            }
-        }
-        return false;
-    }
-
-    void attachBufferBoundingBox(osg::Geometry& geometry) const {
-        // positions
-        setBufferBoundingBox(dynamic_cast<osg::Vec3Array*>(geometry.getVertexArray()));
-        // uvs
-        for(unsigned int i = 0 ; i < geometry.getNumTexCoordArrays() ; ++ i) {
-            setBufferBoundingBox(dynamic_cast<osg::Vec2Array*>(geometry.getTexCoordArray(i)));
-        }
-    }
-
-    template<typename T>
-    void setBufferBoundingBox(T* buffer) const {
-        if(!buffer) return;
-
-        typename T::ElementDataType bbl;
-        typename T::ElementDataType ufr;
-        const unsigned int dimension = buffer->getDataSize();
-
-        if(buffer->getNumElements()) {
-            for(unsigned int i = 0 ; i < dimension ; ++i) {
-                bbl[i] = ufr[i] = (*buffer->begin())[i];
-            }
-
-            for(typename T::const_iterator it = buffer->begin() + 1 ; it != buffer->end() ; ++ it) {
-                for(unsigned int i = 0 ; i < dimension ; ++ i) {
-                    bbl[i] = std::min(bbl[i], (*it)[i]);
-                    ufr[i] = std::max(ufr[i], (*it)[i]);
-                }
-            }
-
-            buffer->setUserValue("bbl", bbl);
-            buffer->setUserValue("ufr", ufr);
-        }
-    }
-
-    void setValidIndices(std::set<unsigned int>& indices, const osg::DrawElements* primitive) const {
-        for(unsigned int j = 0 ; j < primitive->getNumIndices() ; ++ j) {
-            indices.insert(primitive->index(j));
-        }
-    }
-
-public:
-    const unsigned int _maxAllowedIndex;
-    GeometryList _geometryList;
-};
-
 
 
 class GeometrySplitterVisitor : public GeometryUniqueVisitor {
@@ -349,70 +34,14 @@ public:
         _exportNonGeometryDrawables(exportNonGeometryDrawables)
     {}
 
-    void apply(osg::Geode& geode) {
+    void apply(osg::Geode&);
-        GeometryUniqueVisitor::apply(geode);
+    void process(osg::Geometry&);
-        GeometryList remappedGeometries;
-        DrawableList nonGeometryDrawables;
-
-        for(unsigned int i = 0 ; i < geode.getNumDrawables() ; ++ i) {
-            osg::Geometry* geometry = geode.getDrawable(i)->asGeometry();
-            if(geometry) {
-                if(osgAnimation::RigGeometry* rigGeometry = dynamic_cast<osgAnimation::RigGeometry*>(geometry)) {
-                    SplitMap::iterator lookup = _split.find(rigGeometry->getSourceGeometry());
-                    if(lookup != _split.end() && !lookup->second.empty()) {
-                        for(GeometryList::iterator splittedSource = lookup->second.begin() ; splittedSource != lookup->second.end() ; ++ splittedSource) {
-                            if(hasPositiveWeights(splittedSource->get())) {
-                                osgAnimation::RigGeometry* splittedRig = new osgAnimation::RigGeometry(*rigGeometry);
-                                splittedRig->setSourceGeometry(splittedSource->get());
-                                remappedGeometries.push_back(splittedRig);
-                            }
-                            else {
-                                remappedGeometries.push_back(splittedSource->get());
-                            }
-                        }
-                    }
-                }
-                else {
-                    SplitMap::iterator lookup = _split.find(geometry);
-                    if(lookup != _split.end() && !lookup->second.empty()) {
-                        remappedGeometries.insert(remappedGeometries.end(), lookup->second.begin(), lookup->second.end());
-                    }
-                }
-            }
-            else {
-                nonGeometryDrawables.push_back(geode.getDrawable(i));
-            }
-        }
-
-        // remove all drawables
-        geode.removeDrawables(0, geode.getNumDrawables());
-        // insert splitted geometries
-        for(unsigned int i = 0 ; i < remappedGeometries.size() ; ++ i) {
-            geode.addDrawable(remappedGeometries[i].get());
-        }
-
-        if(_exportNonGeometryDrawables) {
-            // insert other drawables (e.g. osgText)
-            for(unsigned int i = 0 ; i < nonGeometryDrawables.size() ; ++ i) {
-                geode.addDrawable(nonGeometryDrawables[i].get());
-            }
-        }
-    }
-
-    void process(osg::Geometry& geometry) {
-        GeometryIndexSplitter splitter(_maxAllowedIndex);
-        splitter.split(geometry);
-        setProcessed(&geometry, splitter._geometryList);
-    }
 
 protected:
-    bool isProcessed(osg::Geometry* node) {
+    bool isProcessed(osg::Geometry*);
-        return _split.find(node) != _split.end();
+    void setProcessed(osg::Geometry*, const GeometryList&);
-    }
 
-    void setProcessed(osg::Geometry* node, const GeometryList& list) {
+protected:
-        _split.insert(std::pair<osg::Geometry*, GeometryList>(node, GeometryList(list)));
-    }
     unsigned int _maxAllowedIndex;
     std::map<osg::Geometry*, GeometryList> _split;
     bool _exportNonGeometryDrawables;

src/osgPlugins/gles/GeometrySplitterVisitor.cpp

@@ -0,0 +1,70 @@
+#include "GeometrySplitterVisitor"
+#include "GeometryIndexSplitter"
+
+
+void GeometrySplitterVisitor::apply(osg::Geode& geode) {
+    GeometryUniqueVisitor::apply(geode);
+    GeometryList remappedGeometries;
+    DrawableList nonGeometryDrawables;
+
+    for(unsigned int i = 0 ; i < geode.getNumDrawables() ; ++ i) {
+        osg::Geometry* geometry = geode.getDrawable(i)->asGeometry();
+        if(geometry) {
+            if(osgAnimation::RigGeometry* rigGeometry = dynamic_cast<osgAnimation::RigGeometry*>(geometry)) {
+                SplitMap::iterator lookup = _split.find(rigGeometry->getSourceGeometry());
+                if(lookup != _split.end() && !lookup->second.empty()) {
+                    for(GeometryList::iterator splittedSource = lookup->second.begin() ; splittedSource != lookup->second.end() ; ++ splittedSource) {
+                        if(glesUtil::hasPositiveWeights(splittedSource->get())) {
+                            osgAnimation::RigGeometry* splittedRig = new osgAnimation::RigGeometry(*rigGeometry);
+                            splittedRig->setSourceGeometry(splittedSource->get());
+                            remappedGeometries.push_back(splittedRig);
+                        }
+                        else {
+                            remappedGeometries.push_back(splittedSource->get());
+                        }
+                    }
+                }
+            }
+            else {
+                SplitMap::iterator lookup = _split.find(geometry);
+                if(lookup != _split.end() && !lookup->second.empty()) {
+                    remappedGeometries.insert(remappedGeometries.end(), lookup->second.begin(), lookup->second.end());
+                }
+            }
+        }
+        else {
+            nonGeometryDrawables.push_back(geode.getDrawable(i));
+        }
+    }
+
+    // remove all drawables
+    geode.removeDrawables(0, geode.getNumDrawables());
+    // insert splitted geometries
+    for(unsigned int i = 0 ; i < remappedGeometries.size() ; ++ i) {
+        geode.addDrawable(remappedGeometries[i].get());
+    }
+
+    if(_exportNonGeometryDrawables) {
+        // insert other drawables (e.g. osgText)
+        for(unsigned int i = 0 ; i < nonGeometryDrawables.size() ; ++ i) {
+            geode.addDrawable(nonGeometryDrawables[i].get());
+        }
+    }
+}
+
+
+void GeometrySplitterVisitor::process(osg::Geometry& geometry) {
+    GeometryIndexSplitter splitter(_maxAllowedIndex);
+    splitter.split(geometry);
+    setProcessed(&geometry, splitter._geometryList);
+}
+
+
+bool GeometrySplitterVisitor::isProcessed(osg::Geometry* node) {
+    return _split.find(node) != _split.end();
+}
+
+
+void GeometrySplitterVisitor::setProcessed(osg::Geometry* node, const GeometryList& list) {
+    _split.insert(std::pair<osg::Geometry*, GeometryList>(node, GeometryList(list)));
+}

src/osgPlugins/gles/RigAnimationVisitor

@@ -30,19 +30,6 @@
 #include "StatLogger"
 
 
-struct sort_weights {
-    bool operator()(const std::pair<unsigned int, float> &left, const std::pair<unsigned int, float> &right) {
-        // in case weights are equal, order elements by ascending bone ids
-        if(left.second == right.second) {
-            return left.first < right.first;
-        }
-        else {
-            return left.second > right.second;
-        }
-    }
-};
-
-
 // the idea is to create true Geometry if skeleton with RigGeometry
 class RigAnimationVisitor : public osgUtil::UpdateVisitor
 {
@@ -55,146 +42,28 @@ public:
         setFrameStamp(new osg::FrameStamp());
     }
 
-    void apply(osg::Drawable& drawable) {
+    void apply(osg::Drawable&);
-        // skip drawables already processed
+    void apply(osg::Geometry*);
-        if (isProcessed(drawable)) {
+    void apply(osgAnimation::RigGeometry&);
-            return;
-        }
-
-        apply(drawable.asGeometry());
-
-        setProcessed(drawable);
-    }
-
-    void apply(osg::Geometry* geometry) {
-        osgAnimation::RigGeometry* rig = dynamic_cast<osgAnimation::RigGeometry*>(geometry);
-        if(rig) {
-            apply(*rig);
-        }
-    }
 
+protected:
     inline void normalizeWeight(osg::Vec4f &v) const {
         // do not consider positive weights only
         float sum = std::abs(v[0]) + std::abs(v[1]) + std::abs(v[2]) + std::abs(v[3]);
         if (sum > 0) v /= sum;
     }
 
-    void apply(osgAnimation::RigGeometry& rigGeometry) {
+    boneIndices remapGeometryBones(const osg::Vec4usArray&);
-        // find skeleton
+    void applyBoneIndicesRemap(osg::Vec4usArray&, const boneIndices&);
-        osgAnimation::UpdateRigGeometry rigUpdater;
-        osg::Geometry* source = rigGeometry.getSourceGeometry();
 
-        if(osgAnimation::MorphGeometry* morphGeometry = dynamic_cast<osgAnimation::MorphGeometry*>(source)) {
+    void serializeBonesUserValues(osg::Vec4usArray&,
-            // skip normals blending when rigging a morph as targets may not have normals yet
+                                  const std::map<unsigned int, unsigned short>&,
-            morphGeometry->setMorphNormals(false);
+                                  const osgAnimation::RigTransformHardware::BoneNamePaletteIndex&);
-        }
 
-        rigUpdater.update(0, &rigGeometry);
+    bool isProcessed(osg::Drawable&);
-
+    void setProcessed(osg::Drawable&);
-        osgAnimation::RigTransformHardware rth;
-        rth(rigGeometry);
-        std::vector< std::vector< std::pair<unsigned int, float> > > vertexBoneWeights(rigGeometry.getVertexArray()->getNumElements());
-
-        // collect all bone/weight pairs for *all* vertices
-        for(unsigned int i = 0 ; i < static_cast<unsigned int>(rth.getNumVertexAttrib()) ; ++ i) {
-            osg::Vec4Array* weights = dynamic_cast<osg::Vec4Array*>(rth.getVertexAttrib(i));
-            for(unsigned int k = 0 ; k < weights->getNumElements() ; ++ k) {
-                vertexBoneWeights[k].push_back(std::pair<unsigned int, float>((*weights)[k][0], (*weights)[k][1]));
-                vertexBoneWeights[k].push_back(std::pair<unsigned int, float>((*weights)[k][2], (*weights)[k][3]));
-            }
-        }
-
-        osg::ref_ptr<osg::Vec4usArray> bones = new osg::Vec4usArray;
-        osg::ref_ptr<osg::Vec4Array> weights = new osg::Vec4Array;
-
-        // for each vertex a partial sort to keep only n max weights (hardcoded to 4)
-        for(unsigned int i = 0 ; i < vertexBoneWeights.size() ; ++ i) {
-            std::vector< std::pair<unsigned int, float> > maxVertexBoneWeight(4);
-            std::partial_sort_copy(vertexBoneWeights[i].begin(), vertexBoneWeights[i].end(),
-                                   maxVertexBoneWeight.begin(), maxVertexBoneWeight.end(),
-                                   sort_weights());
-
-            osg::Vec4 vertexWeights;
-            osg::Vec4us vertexBones;
-            for(unsigned int j = 0 ; j < 4 ; ++ j) {
-                vertexBones[j] = maxVertexBoneWeight[j].first;
-                vertexWeights[j] = maxVertexBoneWeight[j].second;
-            }
-
-            normalizeWeight(vertexWeights);
-
-            bones->push_back(vertexBones);
-            weights->push_back(vertexWeights);
-        }
-
-        boneIndices geometryBoneIndices = remapGeometryBones(*bones);
-        applyBoneIndicesRemap(*bones, geometryBoneIndices);
-        serializeBonesUserValues(*bones, geometryBoneIndices, rth.getBoneNameToPalette());
-
-        bones->setUserValue("bones", true);
-        weights->setUserValue("weights", true);
-
-        // attach bones & weights to source geometry during scene graph processing
-        source->setVertexAttribArray(source->getNumVertexAttribArrays(), bones.get(), osg::Array::BIND_PER_VERTEX);
-        source->setVertexAttribArray(source->getNumVertexAttribArrays(), weights.get(), osg::Array::BIND_PER_VERTEX);
-
-        rigGeometry.setRigTransformImplementation(0); //Remove current implementation to force implementation re-init
-    }
 
 protected:
-    boneIndices remapGeometryBones(const osg::Vec4usArray& bones) {
-        boneIndices remap;
-        for(unsigned int i = 0 ; i < bones.getNumElements() ; ++ i) {
-            for(unsigned int j = 0 ; j < 4 ; ++ j) {
-                if(remap.find(bones[i][j]) == remap.end()) {
-                    remap[bones[i][j]] = static_cast<unsigned short>(remap.size() - 1);
-                }
-            }
-        }
-        return remap;
-    }
-
-    void applyBoneIndicesRemap(osg::Vec4usArray& bones, const boneIndices& remap) {
-        for(unsigned int i = 0 ; i < bones.getNumElements() ; ++ i) {
-            boneIndices::const_iterator x = remap.find(bones[i][0]),
-                                        y = remap.find(bones[i][1]),
-                                        z = remap.find(bones[i][2]),
-                                        w = remap.find(bones[i][3]);
-            bones[i] = osg::Vec4us(x->second,
-                                   y->second,
-                                   z->second,
-                                   w->second);
-        }
-    }
-
-
-    void serializeBonesUserValues(osg::Vec4usArray& bones, const std::map<unsigned int, unsigned short>& oldIndexToNewIndex,
-                                  const osgAnimation::RigTransformHardware::BoneNamePaletteIndex& boneNamePaletteIndex) {
-
-        // map 'global' palette index to bone name
-        std::map<unsigned int, std::string> oldIndexToBoneName;
-        for(osgAnimation::RigTransformHardware::BoneNamePaletteIndex::const_iterator it = boneNamePaletteIndex.begin() ;
-            it != boneNamePaletteIndex.end() ; ++ it) {
-            oldIndexToBoneName[static_cast<unsigned int>(it->second)] = it->first;
-        }
-
-        // serialize geometry 'palette index' => 'bone name' with user value using animationBone_ as
-        // name prefix
-        for(std::map<unsigned int, unsigned short>::const_iterator it = oldIndexToNewIndex.begin() ; it != oldIndexToNewIndex.end() ; ++ it) {
-            std::ostringstream oss;
-            oss << "animationBone_" << it->second;
-            bones.setUserValue(oss.str(), oldIndexToBoneName[it->first]);
-        }
-    }
-
-    bool isProcessed(osg::Drawable& node) {
-        return _processed.find(&node) != _processed.end();
-    }
-
-    void setProcessed(osg::Drawable& node) {
-        _processed.insert(&node);
-    }
-
     std::set<osg::Drawable*> _processed;
     StatLogger _logger;
 };

src/osgPlugins/gles/RigAnimationVisitor.cpp

@@ -0,0 +1,155 @@
+#include "RigAnimationVisitor"
+
+
+struct sort_weights {
+    bool operator()(const std::pair<unsigned int, float> &left, const std::pair<unsigned int, float> &right) {
+        // in case weights are equal, order elements by ascending bone ids
+        if(left.second == right.second) {
+            return left.first < right.first;
+        }
+        else {
+            return left.second > right.second;
+        }
+    }
+};
+
+
+void RigAnimationVisitor::apply(osg::Drawable& drawable) {
+    // skip drawables already processed
+    if (isProcessed(drawable)) {
+        return;
+    }
+
+    apply(drawable.asGeometry());
+
+    setProcessed(drawable);
+}
+
+
+void RigAnimationVisitor::apply(osg::Geometry* geometry) {
+    osgAnimation::RigGeometry* rig = dynamic_cast<osgAnimation::RigGeometry*>(geometry);
+    if(rig) {
+        apply(*rig);
+    }
+}
+
+
+void RigAnimationVisitor::apply(osgAnimation::RigGeometry& rigGeometry) {
+    // find skeleton
+    osgAnimation::UpdateRigGeometry rigUpdater;
+    osg::Geometry* source = rigGeometry.getSourceGeometry();
+
+    if(osgAnimation::MorphGeometry* morphGeometry = dynamic_cast<osgAnimation::MorphGeometry*>(source)) {
+        // skip normals blending when rigging a morph as targets may not have normals yet
+        morphGeometry->setMorphNormals(false);
+    }
+
+    rigUpdater.update(0, &rigGeometry);
+
+    osgAnimation::RigTransformHardware rth;
+    rth(rigGeometry);
+    std::vector< std::vector< std::pair<unsigned int, float> > > vertexBoneWeights(rigGeometry.getVertexArray()->getNumElements());
+
+    // collect all bone/weight pairs for *all* vertices
+    for(unsigned int i = 0 ; i < static_cast<unsigned int>(rth.getNumVertexAttrib()) ; ++ i) {
+        osg::Vec4Array* weights = dynamic_cast<osg::Vec4Array*>(rth.getVertexAttrib(i));
+        for(unsigned int k = 0 ; k < weights->getNumElements() ; ++ k) {
+            vertexBoneWeights[k].push_back(std::pair<unsigned int, float>((*weights)[k][0], (*weights)[k][1]));
+            vertexBoneWeights[k].push_back(std::pair<unsigned int, float>((*weights)[k][2], (*weights)[k][3]));
+        }
+    }
+
+    osg::ref_ptr<osg::Vec4usArray> bones = new osg::Vec4usArray;
+    osg::ref_ptr<osg::Vec4Array> weights = new osg::Vec4Array;
+
+    // for each vertex a partial sort to keep only n max weights (hardcoded to 4)
+    for(unsigned int i = 0 ; i < vertexBoneWeights.size() ; ++ i) {
+        std::vector< std::pair<unsigned int, float> > maxVertexBoneWeight(4);
+        std::partial_sort_copy(vertexBoneWeights[i].begin(), vertexBoneWeights[i].end(),
+                               maxVertexBoneWeight.begin(), maxVertexBoneWeight.end(),
+                               sort_weights());
+
+        osg::Vec4 vertexWeights;
+        osg::Vec4us vertexBones;
+        for(unsigned int j = 0 ; j < 4 ; ++ j) {
+            vertexBones[j] = maxVertexBoneWeight[j].first;
+            vertexWeights[j] = maxVertexBoneWeight[j].second;
+        }
+
+        normalizeWeight(vertexWeights);
+
+        bones->push_back(vertexBones);
+        weights->push_back(vertexWeights);
+    }
+
+    RigAnimationVisitor::boneIndices geometryBoneIndices = remapGeometryBones(*bones);
+    applyBoneIndicesRemap(*bones, geometryBoneIndices);
+    serializeBonesUserValues(*bones, geometryBoneIndices, rth.getBoneNameToPalette());
+
+    bones->setUserValue("bones", true);
+    weights->setUserValue("weights", true);
+
+    // attach bones & weights to source geometry during scene graph processing
+    source->setVertexAttribArray(source->getNumVertexAttribArrays(), bones.get(), osg::Array::BIND_PER_VERTEX);
+    source->setVertexAttribArray(source->getNumVertexAttribArrays(), weights.get(), osg::Array::BIND_PER_VERTEX);
+
+    rigGeometry.setRigTransformImplementation(0); //Remove current implementation to force implementation re-init
+}
+
+
+RigAnimationVisitor::boneIndices RigAnimationVisitor::remapGeometryBones(const osg::Vec4usArray& bones) {
+    RigAnimationVisitor::boneIndices remap;
+    for(unsigned int i = 0 ; i < bones.getNumElements() ; ++ i) {
+        for(unsigned int j = 0 ; j < 4 ; ++ j) {
+            if(remap.find(bones[i][j]) == remap.end()) {
+                remap[bones[i][j]] = static_cast<unsigned short>(remap.size() - 1);
+            }
+        }
+    }
+    return remap;
+}
+
+
+void RigAnimationVisitor::applyBoneIndicesRemap(osg::Vec4usArray& bones, const RigAnimationVisitor::boneIndices& remap) {
+    for(unsigned int i = 0 ; i < bones.getNumElements() ; ++ i) {
+        RigAnimationVisitor::boneIndices::const_iterator x = remap.find(bones[i][0]),
+                                                         y = remap.find(bones[i][1]),
+                                                         z = remap.find(bones[i][2]),
+                                                         w = remap.find(bones[i][3]);
+        bones[i] = osg::Vec4us(x->second,
+                                y->second,
+                                z->second,
+                                w->second);
+    }
+}
+
+
+void RigAnimationVisitor::serializeBonesUserValues(osg::Vec4usArray& bones,
+                                                   const std::map<unsigned int, unsigned short>& oldIndexToNewIndex,
+                                                   const osgAnimation::RigTransformHardware::BoneNamePaletteIndex& boneNamePaletteIndex) {
+
+    // map 'global' palette index to bone name
+    std::map<unsigned int, std::string> oldIndexToBoneName;
+    for(osgAnimation::RigTransformHardware::BoneNamePaletteIndex::const_iterator it = boneNamePaletteIndex.begin() ;
+        it != boneNamePaletteIndex.end() ; ++ it) {
+        oldIndexToBoneName[static_cast<unsigned int>(it->second)] = it->first;
+    }
+
+    // serialize geometry 'palette index' => 'bone name' with user value using animationBone_ as
+    // name prefix
+    for(std::map<unsigned int, unsigned short>::const_iterator it = oldIndexToNewIndex.begin() ; it != oldIndexToNewIndex.end() ; ++ it) {
+        std::ostringstream oss;
+        oss << "animationBone_" << it->second;
+        bones.setUserValue(oss.str(), oldIndexToBoneName[it->first]);
+    }
+}
+
+
+bool RigAnimationVisitor::isProcessed(osg::Drawable& node) {
+    return _processed.find(&node) != _processed.end();
+}
+
+
+void RigAnimationVisitor::setProcessed(osg::Drawable& node) {
+    _processed.insert(&node);
+}

src/osgPlugins/gles/RigAttributesVisitor

@@ -12,44 +12,13 @@ public:
         GeometryUniqueVisitor("RigAttributesVisitor")
     {}
 
-    void process(osgAnimation::RigGeometry& rigGeometry) {
+    void process(osgAnimation::RigGeometry& rigGeometry);
-        osg::Geometry* source = rigGeometry.getSourceGeometry();
-        if(source) {
-            int sourceBones = getPropertyIndex(*source, std::string("bones"));
-            int rigBones = getPropertyIndex(rigGeometry, std::string("bones"));
-            if(sourceBones >= 0) {
-                rigBones = (rigBones >= 0 ? rigBones : rigGeometry.getNumVertexAttribArrays());
-                rigGeometry.setVertexAttribArray(rigBones, source->getVertexAttribArray(sourceBones));
-                source->setVertexAttribArray(sourceBones, 0);
-            }
-
-            int sourceWeights = getPropertyIndex(*source, std::string("weights"));
-            int rigWeights = getPropertyIndex(rigGeometry, std::string("weights"));
-            if(sourceWeights >= 0) {
-                rigWeights = (rigWeights >= 0 ? rigWeights : rigGeometry.getNumVertexAttribArrays());
-                rigGeometry.setVertexAttribArray(rigWeights, source->getVertexAttribArray(sourceWeights));
-                source->setVertexAttribArray(sourceWeights, 0);
-            }
-        }
-    }
-
     void process(osg::Geometry& /*geometry*/) {
         return;
     }
 
 protected:
-    int getPropertyIndex(const osg::Geometry& geometry, const std::string& property) {
+    int getPropertyIndex(const osg::Geometry& geometry, const std::string& property);
-        for(unsigned int i = 0 ; i < geometry.getNumVertexAttribArrays() ; ++ i) {
-            const osg::Array* attribute = geometry.getVertexAttribArray(i);
-            bool isProperty = false;
-            if(attribute && attribute->getUserValue(property, isProperty) && isProperty) {
-                return i;
-            }
-        }
-        return -1;
-    }
 };
 
-
-
 #endif

src/osgPlugins/gles/RigAttributesVisitor.cpp

@@ -0,0 +1,35 @@
+#include "RigAttributesVisitor"
+
+
+void RigAttributesVisitor::process(osgAnimation::RigGeometry& rigGeometry) {
+    osg::Geometry* source = rigGeometry.getSourceGeometry();
+    if(source) {
+        int sourceBones = getPropertyIndex(*source, std::string("bones"));
+        int rigBones = getPropertyIndex(rigGeometry, std::string("bones"));
+        if(sourceBones >= 0) {
+            rigBones = (rigBones >= 0 ? rigBones : rigGeometry.getNumVertexAttribArrays());
+            rigGeometry.setVertexAttribArray(rigBones, source->getVertexAttribArray(sourceBones));
+            source->setVertexAttribArray(sourceBones, 0);
+        }
+
+        int sourceWeights = getPropertyIndex(*source, std::string("weights"));
+        int rigWeights = getPropertyIndex(rigGeometry, std::string("weights"));
+        if(sourceWeights >= 0) {
+            rigWeights = (rigWeights >= 0 ? rigWeights : rigGeometry.getNumVertexAttribArrays());
+            rigGeometry.setVertexAttribArray(rigWeights, source->getVertexAttribArray(sourceWeights));
+            source->setVertexAttribArray(sourceWeights, 0);
+        }
+    }
+}
+
+
+int RigAttributesVisitor::getPropertyIndex(const osg::Geometry& geometry, const std::string& property) {
+    for(unsigned int i = 0 ; i < geometry.getNumVertexAttribArrays() ; ++ i) {
+        const osg::Array* attribute = geometry.getVertexAttribArray(i);
+        bool isProperty = false;
+        if(attribute && attribute->getUserValue(property, isProperty) && isProperty) {
+            return i;
+        }
+    }
+    return -1;
+}

src/osgPlugins/gles/SmoothNormalVisitor

@@ -1,372 +1,10 @@
 /* -*-c++-*- OpenSceneGraph - Copyright (C) Sketchfab */
 
-#include <vector>
-#include <list>
-#include <set>
-#include <limits>
-#include <algorithm>
-#include <cmath>
-#include <cassert>
-
 #include <osg/Geometry>
-#include <osg/Array>
-#include <osg/Notify>
 #include <osgAnimation/MorphGeometry>
-#include <osgUtil/MeshOptimizers>
 
 #include "GeometryUniqueVisitor"
-#include "TriangleMeshGraph"
+#include "TriangleMeshSmoother"
-
-
-// Smoothing steps:
-//
-// 1. compute the vertex/triangles graph
-// 2. compute triangle normals (vertexTriangles::addTriangle)
-// 3. determine *piecewise* one-ring for each *unique* vertex (TriangleMeshGraph::vertexOneRing)
-//    Each piece of the one-ring contains triangles that are neighbors and do not share a sharp edge
-// 4. for each one-ring piece sum the triangle normals (TriangleMeshSmoother::computeVertexNormals)
-// 5. if the vertex has been processed already: duplicate and update triangles
-//    otherwise set the normal
-//
-// **triangle normals are normalized but weighted by their area when cumulated over the ring**
-
-class TriangleMeshSmoother {
-public:
-    enum SmoothingMode {
-        recompute      = 1 << 0,
-        diagnose       = 1 << 1,
-        smooth_flipped = 1 << 2,
-        smooth_all     = 1 << 3
-    };
-
-
-    class DuplicateVertex : public osg::ArrayVisitor {
-    public:
-        unsigned int _i;
-        unsigned int _end;
-
-        DuplicateVertex(unsigned int i): _i(i), _end(i)
-        {}
-
-        template <class ARRAY>
-        void apply_imp(ARRAY& array) {
-            _end = array.size();
-            array.push_back(array[_i]);
-        }
-
-        virtual void apply(osg::ByteArray& array) { apply_imp(array); }
-        virtual void apply(osg::ShortArray& array) { apply_imp(array); }
-        virtual void apply(osg::IntArray& array) { apply_imp(array); }
-        virtual void apply(osg::UByteArray& array) { apply_imp(array); }
-        virtual void apply(osg::UShortArray& array) { apply_imp(array); }
-        virtual void apply(osg::UIntArray& array) { apply_imp(array); }
-        virtual void apply(osg::FloatArray& array) { apply_imp(array); }
-        virtual void apply(osg::DoubleArray& array) { apply_imp(array); }
-
-        virtual void apply(osg::Vec2Array& array) { apply_imp(array); }
-        virtual void apply(osg::Vec3Array& array) { apply_imp(array); }
-        virtual void apply(osg::Vec4Array& array) { apply_imp(array); }
-
-        virtual void apply(osg::Vec2bArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec3bArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec4bArray& array) { apply_imp(array); }
-
-        virtual void apply(osg::Vec2sArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec3sArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec4sArray& array) { apply_imp(array); }
-
-        virtual void apply(osg::Vec2iArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec3iArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec4iArray& array) { apply_imp(array); }
-
-        virtual void apply(osg::Vec2dArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec3dArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec4dArray& array) { apply_imp(array); }
-
-        virtual void apply(osg::Vec2ubArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec3ubArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec4ubArray& array) { apply_imp(array); }
-
-        virtual void apply(osg::Vec2usArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec3usArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec4usArray& array) { apply_imp(array); }
-
-        virtual void apply(osg::Vec2uiArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec3uiArray& array) { apply_imp(array); }
-        virtual void apply(osg::Vec4uiArray& array) { apply_imp(array); }
-
-        virtual void apply(osg::MatrixfArray& array) { apply_imp(array); }
-        virtual void apply(osg::MatrixdArray& array) { apply_imp(array); }
-    };
-
-public:
-    TriangleMeshSmoother(osg::Geometry& geometry, float creaseAngle, bool comparePosition=false, int mode=diagnose):
-        _geometry(geometry),
-        _creaseAngle(creaseAngle),
-        _graph(0),
-        _mode(mode)
-    {
-        if(!_geometry.getVertexArray() || !_geometry.getVertexArray()->getNumElements()) {
-            return;
-        }
-
-        osgUtil::SharedArrayOptimizer deduplicator;
-        deduplicator.findDuplicatedUVs(geometry);
-
-        // duplicate shared arrays as it isn't safe to duplicate vertices when arrays are shared.
-        if (geometry.containsSharedArrays()) {
-            geometry.duplicateSharedArrays();
-        }
-
-        if(!_geometry.getNormalArray() || _geometry.getNormalArray()->getNumElements() != _geometry.getVertexArray()->getNumElements()) {
-            _geometry.setNormalArray(new osg::Vec3Array(_geometry.getVertexArray()->getNumElements()), osg::Array::BIND_PER_VERTEX);
-        }
-
-        // build a unifier to consider deduplicated vertex indices
-        _graph = new TriangleMeshGraph(_geometry, comparePosition);
-
-        unsigned int nbTriangles = 0;
-        for(unsigned int i = 0 ; i < _geometry.getNumPrimitiveSets() ; ++ i) {
-            osg::PrimitiveSet* primitive = _geometry.getPrimitiveSet(i);
-
-            if(!primitive || !primitive->getNumIndices()) {
-                continue;
-            }
-            else if(primitive->getMode() > osg::PrimitiveSet::TRIANGLES) {
-                OSG_INFO << "[smoother] Cannot smooth geometry '" << _geometry.getName()
-                         << "' due to not tessellated primitives" << std::endl;
-                return;
-            }
-            else if(primitive->getMode() == osg::PrimitiveSet::TRIANGLES) {
-                nbTriangles += primitive->getNumIndices() / 3;
-            }
-        }
-        _triangles.reserve(nbTriangles);
-
-        // collect all buffers that are BIND_PER_VERTEX for eventual vertex duplication
-        addArray(_geometry.getVertexArray());
-        addArray(_geometry.getColorArray());
-        addArray(_geometry.getSecondaryColorArray());
-        addArray(_geometry.getFogCoordArray());
-        for(unsigned int i = 0; i < _geometry.getNumTexCoordArrays(); ++ i) {
-           addArray(_geometry.getTexCoordArray(i));
-        }
-        for(unsigned int i = 0; i < _geometry.getNumVertexAttribArrays(); ++ i) {
-           addArray(_geometry.getVertexAttribArray(i));
-        }
-
-        switch(_mode) {
-            case recompute:
-                computeVertexNormals();
-                break;
-            case smooth_all:
-                smoothVertexNormals(true, true);
-                break;
-            case smooth_flipped:
-                smoothVertexNormals(true, false);
-                break;
-            case diagnose:
-                smoothVertexNormals(false, false);
-                break;
-        };
-
-        // deduplicate UVs array that were only shared within the geometry
-        deduplicator.deduplicateUVs(geometry);
-    }
-
-    ~TriangleMeshSmoother() {
-        if(_graph) {
-            delete _graph;
-        }
-    }
-
-protected:
-    unsigned int duplicateVertex(unsigned int index) {
-        DuplicateVertex duplicate(index);
-        for(ArrayVector::iterator array = _vertexArrays.begin(); array != _vertexArrays.end(); ++ array) {
-            (*array)->accept(duplicate);
-        }
-#if 0
-        OSG_INFO << "[normals] [[TriangleMeshSmoother]] vertex " << index
-                 << " duplicated => " << duplicate._end << std::endl;
-#endif
-        _graph->add(duplicate._end, index);
-        return duplicate._end;
-    }
-
-    void smoothVertexNormals(bool fix=true, bool force=false) {
-        _vertexArrays.clear(); // make sure we do not change vertex count
-        bool flipped = false;
-
-        osg::Vec3Array* normals = dynamic_cast<osg::Vec3Array*>(_geometry.getNormalArray());
-        osg::Vec3Array* positions = dynamic_cast<osg::Vec3Array*>(_geometry.getVertexArray());
-
-        if(!positions || !normals || normals->getNumElements() != positions->getNumElements()) {
-            OSG_WARN << std::endl
-                     << "Warning: [smoothVertexNormals] [[normals]] Geometry '" << _geometry.getName()
-                     << "' has invalid positions/normals";
-            return;
-        }
-
-        for(unsigned int index = 0 ; index < positions->getNumElements() ; ++ index) {
-            std::vector<IndexVector> oneRing = _graph->vertexOneRing(_graph->unify(index), _creaseAngle);
-            osg::Vec3f smoothedNormal(0.f, 0.f, 0.f);
-
-            // sum normals for each cluster in the one-ring
-            for(std::vector<IndexVector>::iterator cluster = oneRing.begin() ; cluster != oneRing.end() ; ++ cluster) {
-                smoothedNormal += cumulateTriangleNormals(*cluster);
-            }
-
-            float length = smoothedNormal.normalize();
-            if(length > 0.) {
-                if(force || smoothedNormal * normals->at(index) < 1.e-6) {
-                    flipped = true;
-                    if(fix) {
-                        (*normals)[index] = smoothedNormal;
-                    }
-                }
-            }
-        }
-
-        if(flipped) {
-            OSG_WARN << std::endl << "Warning: [smoothVertexNormals] [[normals]] Geometry '" << _geometry.getName() << "' ";
-            switch(_mode) {
-                case diagnose:
-                    OSG_WARN << "has some flipped normals; please check that the shading is correct" << std::endl;
-                    OSG_WARN << "Monitor: normal.invalid" << std::endl;
-                    break;
-                case smooth_flipped:
-                    OSG_WARN << "has some flipped normals that have been fixed" << std::endl;
-                    OSG_WARN << "Monitor: normal.smooth_flipped" << std::endl;
-                    break;
-                case smooth_all:
-                    OSG_WARN << "normals have all been smoothed" << std::endl;
-                    OSG_WARN << "Monitor: normal.smooth_all" << std::endl;
-                    break;
-            }
-        }
-    }
-
-    void computeVertexNormals() {
-        osg::Vec3Array* normals = new osg::Vec3Array(osg::Array::BIND_PER_VERTEX,
-                                                     _geometry.getVertexArray()->getNumElements());
-        addArray(normals);
-
-        for(unsigned int i = 0 ; i < normals->getNumElements() ; ++ i) {
-            (*normals)[i].set(0.f, 0.f, 0.f);
-        }
-
-        for(VertexIterator uniqueIndex = _graph->begin() ; uniqueIndex != _graph->end() ; ++ uniqueIndex) {
-            unsigned int index = uniqueIndex->_index;
-            std::set<unsigned int> processed;
-
-            std::vector<IndexVector> oneRing = _graph->vertexOneRing(index, _creaseAngle);
-            for(std::vector<IndexVector>::iterator cluster = oneRing.begin() ; cluster != oneRing.end() ; ++ cluster) {
-                osg::Vec3f clusterNormal = cumulateTriangleNormals(*cluster);
-                clusterNormal.normalize();
-
-                std::set<unsigned int> duplicates;
-                for(IndexVector::const_iterator tri = cluster->begin() ; tri != cluster->end() ; ++ tri) {
-                    const Triangle& triangle = _graph->triangle(*tri);
-
-                    if(_graph->unify(triangle.v1()) == index) {
-                        duplicates.insert(triangle.v1());
-                    }
-                    else if(_graph->unify(triangle.v2()) == index) {
-                        duplicates.insert(triangle.v2());
-                    }
-                    else if(_graph->unify(triangle.v3()) == index) {
-                        duplicates.insert(triangle.v3());
-                    }
-                }
-
-                for(std::set<unsigned int>::iterator vertex = duplicates.begin() ; vertex != duplicates.end() ; ++ vertex) {
-                    if(processed.find(*vertex) == processed.end()) {
-                        // vertex not yet processed
-                        (*normals)[*vertex] = clusterNormal;
-                        processed.insert(*vertex);
-                    }
-                    else {
-                        // vertex already processed in a previous cluster: need to duplicate
-                        unsigned int duplicate = duplicateVertex(*vertex);
-                        replaceVertexIndexInTriangles(*cluster, *vertex, duplicate);
-                        (*normals)[duplicate] = clusterNormal;
-
-                        processed.insert(duplicate);
-                    }
-                }
-            }
-        }
-
-        _geometry.setNormalArray(normals, osg::Array::BIND_PER_VERTEX);
-        updateGeometryPrimitives();
-
-        OSG_WARN << std::endl <<"Warning: [computeVertexNormals] [[normals]] Geometry '" << _geometry.getName()
-                 << "' normals have been recomputed" << std::endl;
-        OSG_WARN << "Monitor: normal.recompute" << std::endl;
-    }
-
-    osg::Vec3f cumulateTriangleNormals(const IndexVector& triangles) const {
-        osg::Vec3f normal;
-        normal.set(0.f, 0.f, 0.f);
-        for(IndexVector::const_iterator triangle = triangles.begin() ; triangle != triangles.end() ; ++ triangle) {
-            const Triangle& t = _graph->triangle(*triangle);
-            normal += (t._normal * t._area);
-        }
-        return normal;
-    }
-
-    void replaceVertexIndexInTriangles(const IndexVector& triangles, unsigned int oldIndex, unsigned int newIndex) {
-        for(IndexVector::const_iterator tri = triangles.begin() ; tri != triangles.end() ; ++ tri) {
-            Triangle& triangle = _graph->triangle(*tri);
-            if(triangle.v1() == oldIndex) {
-                triangle.v1() = newIndex;
-            }
-            else if(triangle.v2() == oldIndex) {
-                triangle.v2() = newIndex;
-            }
-            else if(triangle.v3() == oldIndex) {
-                triangle.v3() = newIndex;
-            }
-        }
-    }
-
-    void addArray(osg::Array* array) {
-        if (array && array->getBinding() == osg::Array::BIND_PER_VERTEX) {
-            _vertexArrays.push_back(array);
-        }
-    }
-
-    void updateGeometryPrimitives() {
-        osg::Geometry::PrimitiveSetList primitives;
-        for(unsigned int i = 0 ; i < _geometry.getNumPrimitiveSets() ; ++ i) {
-            osg::PrimitiveSet* primitive = _geometry.getPrimitiveSet(i);
-            if(primitive && primitive->getMode() < osg::PrimitiveSet::TRIANGLES) {
-                primitives.push_back(primitive);
-            }
-        }
-
-        osg::DrawElementsUInt* triangles = new osg::DrawElementsUInt(osg::PrimitiveSet::TRIANGLES);
-        for(unsigned int i = 0 ; i < _graph->getNumTriangles() ; ++ i) {
-            const Triangle& triangle = _graph->triangle(i);
-            triangles->push_back(triangle.v1());
-            triangles->push_back(triangle.v2());
-            triangles->push_back(triangle.v3());
-        }
-        primitives.push_back(triangles);
-
-        _geometry.setPrimitiveSetList(primitives);
-    }
-
-
-    osg::Geometry& _geometry;
-    float _creaseAngle;
-    TriangleMeshGraph* _graph;
-    TriangleVector _triangles;
-    ArrayVector _vertexArrays;
-    int _mode; // smooth or recompute normals
-};
-
 
 
 class SmoothNormalVisitor : public GeometryUniqueVisitor {

src/osgPlugins/gles/StatLogger

@@ -10,15 +10,19 @@
 class StatLogger
 {
 public:
-    StatLogger(const std::string& label): _label(label)
+    StatLogger(const std::string& label):
+        _label(label)
     {
         _start = _stop = getTick();
     }
+
+
     ~StatLogger() {
         _stop = getTick();
-        OSG_INFO << std::flush
+
+        OSG_INFO << std::endl
                  << "Info: " << _label << " timing: " << getElapsedSeconds() << "s"
-                 << std::endl << std::flush;
+                 << std::endl;
     }
 
 protected:

src/osgPlugins/gles/SubGeometry

@@ -19,259 +19,36 @@ public:
     typedef std::map<osg::Array*, const osg::Array*>::iterator BufferIterator;
     typedef std::map<unsigned int, unsigned int> IndexMapping;
 
-    SubGeometry(const osg::Geometry& source,
+    SubGeometry(const osg::Geometry&,
-                const std::vector<unsigned int>& triangles,
+                const std::vector<unsigned int>&,
-                const std::vector<unsigned int>& lines,
+                const std::vector<unsigned int>&,
-                const std::vector<unsigned int>& wireframe,
+                const std::vector<unsigned int>&,
-                const std::vector<unsigned int>& points)
+                const std::vector<unsigned int>&);
-    {
-        // Create new geometry as we will modify vertex arrays and primitives (the process is
-        // equivalent to deep cloning).
-        // As UserValues might be changed on a per-geometry basis afterwards, we deep clone userdata
-        // We do *not* want to clone statesets as they reference a UniqueID that should be unique
-        // (see #83056464).
-        if(dynamic_cast<const osgAnimation::MorphGeometry*>(&source)) {
-            _geometry = new osgAnimation::MorphGeometry;
-        }
-        else {
-            _geometry = new osg::Geometry;
-        }
-
-        if(source.getUserDataContainer()) {
-            _geometry->setUserDataContainer(osg::clone(source.getUserDataContainer(), osg::CopyOp::DEEP_COPY_ALL));
-        }
-
-        if(source.getStateSet()) {
-            _geometry->setStateSet(const_cast<osg::StateSet*>(source.getStateSet()));
-        }
-
-        addSourceBuffers(_geometry.get(), source);
-
-        // process morph targets if needed
-        if(const osgAnimation::MorphGeometry* morphSource = dynamic_cast<const osgAnimation::MorphGeometry*>(&source)) {
-            osgAnimation::MorphGeometry* morph = dynamic_cast<osgAnimation::MorphGeometry*>(_geometry.get());
-            if (morph)
-            {
-                const osgAnimation::MorphGeometry::MorphTargetList& morphTargetList = morphSource->getMorphTargetList();
-
-                osgAnimation::MorphGeometry::MorphTargetList::const_iterator targetSource;
-                for(targetSource = morphTargetList.begin() ; targetSource != morphTargetList.end() ; ++ targetSource) {
-                    if(targetSource->getGeometry()) {
-                        osg::Geometry* target = new osg::Geometry;
-                        addSourceBuffers(target, *targetSource->getGeometry());
-                        morph->addMorphTarget(target, targetSource->getWeight());
-                    }
-                }
-            }
-        }
-
-        // remap primitives indices by decreasing ordering (triangles > lines > wireframe > points)
-        for(unsigned int i = 0 ; i < triangles.size() ; i += 3) {
-            copyTriangle(triangles[i], triangles[i + 1], triangles[i + 2]);
-        }
-
-        for(unsigned int i = 0 ; i < lines.size() ; i += 2) {
-            copyEdge(lines[i], lines[i + 1], false);
-        }
-
-        for(unsigned int i = 0 ; i < wireframe.size() ; i += 2) {
-            copyEdge(wireframe[i], wireframe[i + 1], true);
-        }
-
-        for(unsigned int i = 0 ; i < points.size() ; ++ i) {
-            copyPoint(points[i]);
-        }
-
-        // remap vertex buffers accordingly to primitives
-        for(BufferIterator it = _bufferMap.begin() ; it != _bufferMap.end() ; ++ it) {
-            if(it->first) {
-                copyFrom(*(it->second), *(it->first));
-            }
-        }
-    }
 
     osg::Geometry* geometry() const {
         return _geometry.get();
     }
 
 protected:
-    void addSourceBuffers(osg::Geometry* geometry, const osg::Geometry& source) {
+    osg::Array* makeVertexBuffer(const osg::Array*, bool /*copyUserData*/=true);
-        // create necessary vertex containers
-        const osg::Array* array = 0;
 
-        geometry->setName(source.getName());
+    void addSourceBuffers(osg::Geometry*, const osg::Geometry&);
-
+    const osg::Array* vertexArray(const osg::Array* array);
-        // collect all buffers that are BIND_PER_VERTEX for eventual vertex duplication
+    unsigned int mapVertex(unsigned int);
-        if( (array = vertexArray(source.getVertexArray()))  ) {
-            geometry->setVertexArray(makeVertexBuffer(array));
-        }
-
-        if( (array = vertexArray(source.getNormalArray())) ){
-            geometry->setNormalArray(makeVertexBuffer(array));
-        }
-
-        if( (array = vertexArray(source.getColorArray())) ){
-            geometry->setColorArray(makeVertexBuffer(array));
-        }
-
-        if( (array = vertexArray(source.getSecondaryColorArray())) ){
-            geometry->setSecondaryColorArray(makeVertexBuffer(array));
-        }
-
-        if( (array = vertexArray(source.getFogCoordArray())) ){
-            geometry->setFogCoordArray(makeVertexBuffer(array));
-        }
-
-        for(unsigned int i = 0; i < source.getNumVertexAttribArrays(); ++ i) {
-            if( (array = vertexArray(source.getVertexAttribArray(i))) ){
-                geometry->setVertexAttribArray(i, makeVertexBuffer(array));
-            }
-        }
-
-        for(unsigned int i = 0; i < source.getNumTexCoordArrays(); ++ i) {
-            if( (array = vertexArray(source.getTexCoordArray(i))) ){
-                geometry->setTexCoordArray(i, makeVertexBuffer(array));
-            }
-        }
-    }
-
-    void copyTriangle(unsigned int v1, unsigned int v2, unsigned int v3) {
-        osg::DrawElements* triangles = getOrCreateTriangles();
-        triangles->addElement(mapVertex(v1));
-        triangles->addElement(mapVertex(v2));
-        triangles->addElement(mapVertex(v3));
-    }
-
-    void copyEdge(unsigned int v1, unsigned int v2, bool wireframe) {
-        osg::DrawElements* edges = getOrCreateLines(wireframe);
-        edges->addElement(mapVertex(v1));
-        edges->addElement(mapVertex(v2));
-    }
-
-    void copyPoint(unsigned int v1) {
-        osg::DrawElements* points = getOrCreatePoints();
-        points->addElement(mapVertex(v1));
-    }
-
-    const osg::Array* vertexArray(const osg::Array* array) {
-        // filter invalid vertex buffers
-        if (array && array->getNumElements() && array->getBinding() == osg::Array::BIND_PER_VERTEX) {
-            return array;
-        }
-        else {
-            return 0;
-        }
-    }
-
-    inline osg::Array* makeVertexBuffer(const osg::Array* array, bool copyUserData=true) {
-        osg::Array* buffer = array ? osg::cloneType(array) : 0;
-        if(buffer) {
-            buffer->setBinding(osg::Array::BIND_PER_VERTEX);
-            if(copyUserData && array->getUserDataContainer()) {
-                buffer->setUserDataContainer(osg::clone(array->getUserDataContainer(), osg::CopyOp::DEEP_COPY_ALL));
-            }
-            _bufferMap[buffer] = array;
-        }
-        return buffer;
-    }
 
+    void copyTriangle(unsigned int, unsigned int, unsigned int);
+    void copyEdge(unsigned int, unsigned int, bool);
+    void copyPoint(unsigned int);
 
+    void copyFrom(const osg::Array&, osg::Array&);
     template<typename C>
-    void copyValues(const C& src, C& dst) {
+    void copyValues(const C& src, C& dst);
-        dst.resize(_indexMap.size());
-        for(IndexMapping::const_iterator remapper = _indexMap.begin() ; remapper != _indexMap.end() ; ++ remapper) {
-            dst[remapper->second] = src[remapper->first];
-        }
-    }
 
-#define COPY_TEMPLATE(T) \
+    osg::DrawElements* getOrCreateTriangles();
-    if (dynamic_cast<const T*>(&src)) \
+    osg::DrawElements* getOrCreateLines(bool);
-    { return copyValues<T>(dynamic_cast<const T&>(src), dynamic_cast<T&>(dst)); }
+    osg::DrawElements* getOrCreatePoints();
-
-    void copyFrom(const osg::Array& src, osg::Array& dst) {
-        COPY_TEMPLATE(osg::Vec2Array);
-        COPY_TEMPLATE(osg::Vec3Array);
-        COPY_TEMPLATE(osg::Vec4Array);
-
-        COPY_TEMPLATE(osg::Vec2dArray);
-        COPY_TEMPLATE(osg::Vec3dArray);
-        COPY_TEMPLATE(osg::Vec4dArray);
-
-        COPY_TEMPLATE(osg::ByteArray);
-        COPY_TEMPLATE(osg::ShortArray);
-        COPY_TEMPLATE(osg::IntArray);
-        COPY_TEMPLATE(osg::UByteArray);
-        COPY_TEMPLATE(osg::UShortArray);
-        COPY_TEMPLATE(osg::UIntArray);
-        COPY_TEMPLATE(osg::FloatArray);
-        COPY_TEMPLATE(osg::DoubleArray);
-
-        COPY_TEMPLATE(osg::Vec2iArray);
-        COPY_TEMPLATE(osg::Vec3iArray);
-        COPY_TEMPLATE(osg::Vec4iArray);
-
-        COPY_TEMPLATE(osg::Vec2uiArray);
-        COPY_TEMPLATE(osg::Vec3uiArray);
-        COPY_TEMPLATE(osg::Vec4uiArray);
-
-        COPY_TEMPLATE(osg::Vec2sArray);
-        COPY_TEMPLATE(osg::Vec3sArray);
-        COPY_TEMPLATE(osg::Vec4sArray);
-
-        COPY_TEMPLATE(osg::Vec2usArray);
-        COPY_TEMPLATE(osg::Vec3usArray);
-        COPY_TEMPLATE(osg::Vec4usArray);
-
-        COPY_TEMPLATE(osg::Vec2bArray);
-        COPY_TEMPLATE(osg::Vec3bArray);
-        COPY_TEMPLATE(osg::Vec4bArray);
-
-        COPY_TEMPLATE(osg::Vec2ubArray);
-        COPY_TEMPLATE(osg::Vec3ubArray);
-        COPY_TEMPLATE(osg::Vec4ubArray);
-
-        COPY_TEMPLATE(osg::MatrixfArray);
-
-        COPY_TEMPLATE(osg::QuatArray);
-    }
-
-    unsigned int mapVertex(unsigned int i) {
-        if(_indexMap.find(i) == _indexMap.end()) {
-            unsigned int index = _indexMap.size();
-            _indexMap[i] = index;
-        }
-        return _indexMap[i];
-    }
-
-    osg::DrawElements* getOrCreateTriangles() {
-        if(_primitives.find("triangles") == _primitives.end()) {
-            _primitives["triangles"] = new osg::DrawElementsUInt(GL_TRIANGLES);
-            _geometry->addPrimitiveSet(_primitives["triangles"]);
-        }
-        return _primitives["triangles"];
-    }
-
-    osg::DrawElements* getOrCreateLines(bool wireframe) {
-        std::string label = wireframe ? "wireframe" : "lines";
-
-        if(_primitives.find(label) == _primitives.end()) {
-            _primitives[label] = new osg::DrawElementsUInt(GL_LINES);
-            if(wireframe) {
-                _primitives[label]->setUserValue("wireframe", true);
-            }
-            _geometry->addPrimitiveSet(_primitives[label]);
-        }
-        return _primitives[label];
-    }
-
-    osg::DrawElements* getOrCreatePoints() {
-        if(_primitives.find("points") == _primitives.end()) {
-            _primitives["points"] = new osg::DrawElementsUInt(GL_POINTS);
-            _geometry->addPrimitiveSet(_primitives["points"]);
-        }
-        return _primitives["points"];
-    }
 
+protected:
     osg::ref_ptr<osg::Geometry> _geometry;
     std::map<osg::Array*, const osg::Array*> _bufferMap;
     std::map<unsigned int, unsigned int> _indexMap;

src/osgPlugins/gles/SubGeometry.cpp

@@ -0,0 +1,261 @@
+#include "SubGeometry"
+
+
+SubGeometry::SubGeometry(const osg::Geometry& source,
+                         const std::vector<unsigned int>& triangles,
+                         const std::vector<unsigned int>& lines,
+                         const std::vector<unsigned int>& wireframe,
+                         const std::vector<unsigned int>& points)
+{
+    // Create new geometry as we will modify vertex arrays and primitives (the process is
+    // equivalent to deep cloning).
+    // As UserValues might be changed on a per-geometry basis afterwards, we deep clone userdata
+    // We do *not* want to clone statesets as they reference a UniqueID that should be unique
+    // (see #83056464).
+    if(dynamic_cast<const osgAnimation::MorphGeometry*>(&source)) {
+        _geometry = new osgAnimation::MorphGeometry;
+    }
+    else {
+        _geometry = new osg::Geometry;
+    }
+
+    if(source.getUserDataContainer()) {
+        _geometry->setUserDataContainer(osg::clone(source.getUserDataContainer(), osg::CopyOp::DEEP_COPY_ALL));
+    }
+
+    if(source.getStateSet()) {
+        _geometry->setStateSet(const_cast<osg::StateSet*>(source.getStateSet()));
+    }
+
+    addSourceBuffers(_geometry.get(), source);
+
+    // process morph targets if needed
+    if(const osgAnimation::MorphGeometry* morphSource = dynamic_cast<const osgAnimation::MorphGeometry*>(&source)) {
+        osgAnimation::MorphGeometry* morph = dynamic_cast<osgAnimation::MorphGeometry*>(_geometry.get());
+        if (morph)
+        {
+            const osgAnimation::MorphGeometry::MorphTargetList& morphTargetList = morphSource->getMorphTargetList();
+
+            osgAnimation::MorphGeometry::MorphTargetList::const_iterator targetSource;
+            for(targetSource = morphTargetList.begin() ; targetSource != morphTargetList.end() ; ++ targetSource) {
+                if(targetSource->getGeometry()) {
+                    osg::Geometry* target = new osg::Geometry;
+                    addSourceBuffers(target, *targetSource->getGeometry());
+                    morph->addMorphTarget(target, targetSource->getWeight());
+                }
+            }
+        }
+    }
+
+    // remap primitives indices by decreasing ordering (triangles > lines > wireframe > points)
+    for(unsigned int i = 0 ; i < triangles.size() ; i += 3) {
+        copyTriangle(triangles[i], triangles[i + 1], triangles[i + 2]);
+    }
+
+    for(unsigned int i = 0 ; i < lines.size() ; i += 2) {
+        copyEdge(lines[i], lines[i + 1], false);
+    }
+
+    for(unsigned int i = 0 ; i < wireframe.size() ; i += 2) {
+        copyEdge(wireframe[i], wireframe[i + 1], true);
+    }
+
+    for(unsigned int i = 0 ; i < points.size() ; ++ i) {
+        copyPoint(points[i]);
+    }
+
+    // remap vertex buffers accordingly to primitives
+    for(BufferIterator it = _bufferMap.begin() ; it != _bufferMap.end() ; ++ it) {
+        if(it->first) {
+            copyFrom(*(it->second), *(it->first));
+        }
+    }
+}
+
+
+void SubGeometry::addSourceBuffers(osg::Geometry* geometry, const osg::Geometry& source) {
+    // create necessary vertex containers
+    const osg::Array* array = 0;
+
+    geometry->setName(source.getName());
+
+    // collect all buffers that are BIND_PER_VERTEX for eventual vertex duplication
+    if( (array = vertexArray(source.getVertexArray()))  ) {
+        geometry->setVertexArray(makeVertexBuffer(array));
+    }
+
+    if( (array = vertexArray(source.getNormalArray())) ){
+        geometry->setNormalArray(makeVertexBuffer(array));
+    }
+
+    if( (array = vertexArray(source.getColorArray())) ){
+        geometry->setColorArray(makeVertexBuffer(array));
+    }
+
+    if( (array = vertexArray(source.getSecondaryColorArray())) ){
+        geometry->setSecondaryColorArray(makeVertexBuffer(array));
+    }
+
+    if( (array = vertexArray(source.getFogCoordArray())) ){
+        geometry->setFogCoordArray(makeVertexBuffer(array));
+    }
+
+    for(unsigned int i = 0; i < source.getNumVertexAttribArrays(); ++ i) {
+        if( (array = vertexArray(source.getVertexAttribArray(i))) ){
+            geometry->setVertexAttribArray(i, makeVertexBuffer(array));
+        }
+    }
+
+    for(unsigned int i = 0; i < source.getNumTexCoordArrays(); ++ i) {
+        if( (array = vertexArray(source.getTexCoordArray(i))) ){
+            geometry->setTexCoordArray(i, makeVertexBuffer(array));
+        }
+    }
+}
+
+
+void SubGeometry::copyTriangle(unsigned int v1, unsigned int v2, unsigned int v3) {
+    osg::DrawElements* triangles = getOrCreateTriangles();
+    triangles->addElement(mapVertex(v1));
+    triangles->addElement(mapVertex(v2));
+    triangles->addElement(mapVertex(v3));
+}
+
+
+void SubGeometry::copyEdge(unsigned int v1, unsigned int v2, bool wireframe) {
+    osg::DrawElements* edges = getOrCreateLines(wireframe);
+    edges->addElement(mapVertex(v1));
+    edges->addElement(mapVertex(v2));
+}
+
+
+void SubGeometry::copyPoint(unsigned int v1) {
+    osg::DrawElements* points = getOrCreatePoints();
+    points->addElement(mapVertex(v1));
+}
+
+
+const osg::Array* SubGeometry::vertexArray(const osg::Array* array) {
+    // filter invalid vertex buffers
+    if (array && array->getNumElements() && array->getBinding() == osg::Array::BIND_PER_VERTEX) {
+        return array;
+    }
+    else {
+        return 0;
+    }
+}
+
+
+osg::Array* SubGeometry::makeVertexBuffer(const osg::Array* array, bool copyUserData) {
+    osg::Array* buffer = array ? osg::cloneType(array) : 0;
+    if(buffer) {
+        buffer->setBinding(osg::Array::BIND_PER_VERTEX);
+        if(copyUserData && array->getUserDataContainer()) {
+            buffer->setUserDataContainer(osg::clone(array->getUserDataContainer(), osg::CopyOp::DEEP_COPY_ALL));
+        }
+        _bufferMap[buffer] = array;
+    }
+    return buffer;
+}
+
+
+template<typename C>
+void SubGeometry::copyValues(const C& src, C& dst) {
+    dst.resize(_indexMap.size());
+    for(IndexMapping::const_iterator remapper = _indexMap.begin() ; remapper != _indexMap.end() ; ++ remapper) {
+        dst[remapper->second] = src[remapper->first];
+    }
+}
+
+
+#define COPY_TEMPLATE(T) \
+if (dynamic_cast<const T*>(&src)) \
+{ copyValues<T>(dynamic_cast<const T&>(src), dynamic_cast<T&>(dst)); }
+
+void SubGeometry::copyFrom(const osg::Array& src, osg::Array& dst) {
+    COPY_TEMPLATE(osg::Vec2Array);
+    COPY_TEMPLATE(osg::Vec3Array);
+    COPY_TEMPLATE(osg::Vec4Array);
+
+    COPY_TEMPLATE(osg::Vec2dArray);
+    COPY_TEMPLATE(osg::Vec3dArray);
+    COPY_TEMPLATE(osg::Vec4dArray);
+
+    COPY_TEMPLATE(osg::ByteArray);
+    COPY_TEMPLATE(osg::ShortArray);
+    COPY_TEMPLATE(osg::IntArray);
+    COPY_TEMPLATE(osg::UByteArray);
+    COPY_TEMPLATE(osg::UShortArray);
+    COPY_TEMPLATE(osg::UIntArray);
+    COPY_TEMPLATE(osg::FloatArray);
+    COPY_TEMPLATE(osg::DoubleArray);
+
+    COPY_TEMPLATE(osg::Vec2iArray);
+    COPY_TEMPLATE(osg::Vec3iArray);
+    COPY_TEMPLATE(osg::Vec4iArray);
+
+    COPY_TEMPLATE(osg::Vec2uiArray);
+    COPY_TEMPLATE(osg::Vec3uiArray);
+    COPY_TEMPLATE(osg::Vec4uiArray);
+
+    COPY_TEMPLATE(osg::Vec2sArray);
+    COPY_TEMPLATE(osg::Vec3sArray);
+    COPY_TEMPLATE(osg::Vec4sArray);
+
+    COPY_TEMPLATE(osg::Vec2usArray);
+    COPY_TEMPLATE(osg::Vec3usArray);
+    COPY_TEMPLATE(osg::Vec4usArray);
+
+    COPY_TEMPLATE(osg::Vec2bArray);
+    COPY_TEMPLATE(osg::Vec3bArray);
+    COPY_TEMPLATE(osg::Vec4bArray);
+
+    COPY_TEMPLATE(osg::Vec2ubArray);
+    COPY_TEMPLATE(osg::Vec3ubArray);
+    COPY_TEMPLATE(osg::Vec4ubArray);
+
+    COPY_TEMPLATE(osg::MatrixfArray);
+
+    COPY_TEMPLATE(osg::QuatArray);
+}
+
+
+unsigned int SubGeometry::mapVertex(unsigned int i) {
+    if(_indexMap.find(i) == _indexMap.end()) {
+        unsigned int index = _indexMap.size();
+        _indexMap[i] = index;
+    }
+    return _indexMap[i];
+}
+
+
+osg::DrawElements* SubGeometry::getOrCreateTriangles() {
+    if(_primitives.find("triangles") == _primitives.end()) {
+        _primitives["triangles"] = new osg::DrawElementsUInt(GL_TRIANGLES);
+        _geometry->addPrimitiveSet(_primitives["triangles"]);
+    }
+    return _primitives["triangles"];
+}
+
+
+osg::DrawElements* SubGeometry::getOrCreateLines(bool wireframe) {
+    std::string label = wireframe ? "wireframe" : "lines";
+
+    if(_primitives.find(label) == _primitives.end()) {
+        _primitives[label] = new osg::DrawElementsUInt(GL_LINES);
+        if(wireframe) {
+            _primitives[label]->setUserValue("wireframe", true);
+        }
+        _geometry->addPrimitiveSet(_primitives[label]);
+    }
+    return _primitives[label];
+}
+
+
+osg::DrawElements* SubGeometry::getOrCreatePoints() {
+    if(_primitives.find("points") == _primitives.end()) {
+        _primitives["points"] = new osg::DrawElementsUInt(GL_POINTS);
+        _geometry->addPrimitiveSet(_primitives["points"]);
+    }
+    return _primitives["points"];
+}

src/osgPlugins/gles/TangentSpaceVisitor

@@ -28,110 +28,13 @@
 class TangentSpaceVisitor : public GeometryUniqueVisitor
 {
 public:
-    TangentSpaceVisitor(int textureUnit = 0):
+    TangentSpaceVisitor(int textureUnit=0):
         GeometryUniqueVisitor("TangentSpaceVisitor"),
         _textureUnit(textureUnit)
     {}
 
-    void process(osgAnimation::MorphGeometry& morphGeometry) {
+    void process(osgAnimation::MorphGeometry&);
-        process(static_cast<osg::Geometry&>(morphGeometry));
+    void process(osg::Geometry&);
-
-        osgAnimation::MorphGeometry::MorphTargetList& targets = morphGeometry.getMorphTargetList();
-        for(osgAnimation::MorphGeometry::MorphTargetList::iterator target = targets.begin() ; target != targets.end() ; ++ target) {
-            osg::Geometry* geometry = target->getGeometry();
-            bool useParentMorphTexCoord = geometry->getTexCoordArrayList().empty();
-
-            if(useParentMorphTexCoord) {
-                // tangent space require tex coords; in case a target has no tex coords, we try to
-                // bind the parent geometry tex coords
-                geometry->setTexCoordArrayList(morphGeometry.getTexCoordArrayList());
-            }
-
-            process(*geometry);
-
-            if(useParentMorphTexCoord) {
-                // drop parent tex coords after tangent space computation
-                geometry->setTexCoordArrayList(osg::Geometry::ArrayList());
-            }
-        }
-    }
-
-    void process(osg::Geometry& geom) {
-        // We don't have to recompute the tangent space if we already have the data
-        int tangentIndex = -1;
-        if (geom.getUserValue(std::string("tangent"), tangentIndex) && tangentIndex != -1)
-        {
-            if(geom.getVertexAttribArray(tangentIndex)) {
-                OSG_INFO << "[TangentSpaceVisitor::apply] Geometry '" << geom.getName()
-                        << "' The tangent space is not recomputed as it was given within the original file" << std::endl;
-                geom.getVertexAttribArray(tangentIndex)->setUserValue("tangent", true);
-                return;
-            }
-        }
-
-        if (!geom.getTexCoordArray(_textureUnit)){
-            int texUnit = 0;
-            bool found = false;
-            while(texUnit < 32){
-                if (_textureUnit != texUnit && geom.getTexCoordArray(texUnit)){
-                    _textureUnit = texUnit;
-                    found = true;
-                    break;
-                }
-                texUnit++;
-            }
-            if (!found)
-                return;
-        }
-
-        osg::ref_ptr<osgUtil::TangentSpaceGenerator> generator = new osgUtil::TangentSpaceGenerator;
-        generator->generate(&geom, _textureUnit);
-
-        // keep original normal array
-        if (!geom.getNormalArray()) {
-            if (generator->getNormalArray()) {
-                osg::Vec3Array* vec3Normals = new osg::Vec3Array();
-                osg::Vec4Array* vec4Normals = generator->getNormalArray();
-                for (unsigned int i = 0; i < vec4Normals->size(); i++) {
-                    osg::Vec3 n = osg::Vec3((*vec4Normals)[i][0],
-                                            (*vec4Normals)[i][1],
-                                            (*vec4Normals)[i][2]);
-                    vec3Normals->push_back(n);
-                }
-                geom.setNormalArray(vec3Normals, osg::Array::BIND_PER_VERTEX);
-            }
-        }
-
-        if (generator->getTangentArray()) {
-            osg::Vec4Array* normal = generator->getNormalArray();
-            osg::Vec4Array* tangent = generator->getTangentArray();
-            osg::Vec4Array* tangent2 = generator->getBinormalArray();
-            osg::Vec4Array* finalTangent = osg::clone(generator->getTangentArray(), osg::CopyOp::DEEP_COPY_ALL);
-            for (unsigned int i = 0; i < tangent->size(); i++) {
-                osg::Vec3 n = osg::Vec3((*normal)[i][0],
-                                        (*normal)[i][1],
-                                        (*normal)[i][2]);
-                osg::Vec3 t = osg::Vec3((*tangent)[i][0],
-                                        (*tangent)[i][1],
-                                        (*tangent)[i][2]);
-                osg::Vec3 t2 = osg::Vec3((*tangent2)[i][0],
-                                         (*tangent2)[i][1],
-                                         (*tangent2)[i][2]);
-
-                // Gram-Schmidt orthogonalize
-                osg::Vec3 t3 = (t - n * (n * t));
-                t3.normalize();
-                (*finalTangent)[i] = osg::Vec4(t3, 0.0);
-
-                // Calculate handedness
-                (*finalTangent)[i][3] = (((n ^ t) * t2) < 0.0) ? -1.0 : 1.0;
-                // The bitangent vector B is then given by B = (N × T) · Tw
-            }
-            finalTangent->setUserValue("tangent", true);
-            tangentIndex = (tangentIndex >= 0 ? tangentIndex : geom.getNumVertexAttribArrays()) ;
-            geom.setVertexAttribArray(tangentIndex, finalTangent, osg::Array::BIND_PER_VERTEX);
-        }
-    }
 
 protected:
     int _textureUnit;

src/osgPlugins/gles/TangentSpaceVisitor.cpp

@@ -0,0 +1,103 @@
+#include "TangentSpaceVisitor"
+
+
+void TangentSpaceVisitor::process(osgAnimation::MorphGeometry& morphGeometry) {
+    process(static_cast<osg::Geometry&>(morphGeometry));
+
+    osgAnimation::MorphGeometry::MorphTargetList& targets = morphGeometry.getMorphTargetList();
+    for(osgAnimation::MorphGeometry::MorphTargetList::iterator target = targets.begin() ; target != targets.end() ; ++ target) {
+        osg::Geometry* geometry = target->getGeometry();
+        bool useParentMorphTexCoord = geometry->getTexCoordArrayList().empty();
+
+        if(useParentMorphTexCoord) {
+            // tangent space require tex coords; in case a target has no tex coords, we try to
+            // bind the parent geometry tex coords
+            geometry->setTexCoordArrayList(morphGeometry.getTexCoordArrayList());
+        }
+
+        process(*geometry);
+
+        if(useParentMorphTexCoord) {
+            // drop parent tex coords after tangent space computation
+            geometry->setTexCoordArrayList(osg::Geometry::ArrayList());
+        }
+    }
+}
+
+
+void TangentSpaceVisitor::process(osg::Geometry& geometry) {
+    // We don't have to recompute the tangent space if we already have the data
+    int tangentIndex = -1;
+    if (geometry.getUserValue(std::string("tangent"), tangentIndex) && tangentIndex != -1)
+    {
+        if(geometry.getVertexAttribArray(tangentIndex)) {
+            OSG_INFO << "[TangentSpaceVisitor::apply] Geometry '" << geometry.getName()
+                    << "' The tangent space is not recomputed as it was given within the original file" << std::endl;
+            geometry.getVertexAttribArray(tangentIndex)->setUserValue("tangent", true);
+            return;
+        }
+    }
+
+    if (!geometry.getTexCoordArray(_textureUnit)){
+        int texUnit = 0;
+        bool found = false;
+        while(texUnit < 32){
+            if (_textureUnit != texUnit && geometry.getTexCoordArray(texUnit)){
+                _textureUnit = texUnit;
+                found = true;
+                break;
+            }
+            texUnit++;
+        }
+        if (!found)
+            return;
+    }
+
+    osg::ref_ptr<osgUtil::TangentSpaceGenerator> generator = new osgUtil::TangentSpaceGenerator;
+    generator->generate(&geometry, _textureUnit);
+
+    // keep original normal array
+    if (!geometry.getNormalArray()) {
+        if (generator->getNormalArray()) {
+            osg::Vec3Array* vec3Normals = new osg::Vec3Array();
+            osg::Vec4Array* vec4Normals = generator->getNormalArray();
+            for (unsigned int i = 0; i < vec4Normals->size(); i++) {
+                osg::Vec3 n = osg::Vec3((*vec4Normals)[i][0],
+                                        (*vec4Normals)[i][1],
+                                        (*vec4Normals)[i][2]);
+                vec3Normals->push_back(n);
+            }
+            geometry.setNormalArray(vec3Normals, osg::Array::BIND_PER_VERTEX);
+        }
+    }
+
+    if (generator->getTangentArray()) {
+        osg::Vec4Array* normal = generator->getNormalArray();
+        osg::Vec4Array* tangent = generator->getTangentArray();
+        osg::Vec4Array* tangent2 = generator->getBinormalArray();
+        osg::Vec4Array* finalTangent = osg::clone(generator->getTangentArray(), osg::CopyOp::DEEP_COPY_ALL);
+        for (unsigned int i = 0; i < tangent->size(); i++) {
+            osg::Vec3 n = osg::Vec3((*normal)[i][0],
+                                    (*normal)[i][1],
+                                    (*normal)[i][2]);
+            osg::Vec3 t = osg::Vec3((*tangent)[i][0],
+                                    (*tangent)[i][1],
+                                    (*tangent)[i][2]);
+            osg::Vec3 t2 = osg::Vec3((*tangent2)[i][0],
+                                        (*tangent2)[i][1],
+                                        (*tangent2)[i][2]);
+
+            // Gram-Schmidt orthogonalize
+            osg::Vec3 t3 = (t - n * (n * t));
+            t3.normalize();
+            (*finalTangent)[i] = osg::Vec4(t3, 0.0);
+
+            // Calculate handedness
+            (*finalTangent)[i][3] = (((n ^ t) * t2) < 0.0) ? -1.0 : 1.0;
+            // The bitangent vector B is then given by B = (N × T) · Tw
+        }
+        finalTangent->setUserValue("tangent", true);
+        tangentIndex = (tangentIndex >= 0 ? tangentIndex : geometry.getNumVertexAttribArrays()) ;
+        geometry.setVertexAttribArray(tangentIndex, finalTangent, osg::Array::BIND_PER_VERTEX);
+    }
+}

src/osgPlugins/gles/TriangleMeshSmoother

@@ -0,0 +1,134 @@
+/* -*-c++-*- OpenSceneGraph - Copyright (C) Sketchfab */
+
+#include <vector>
+#include <list>
+#include <set>
+#include <limits>
+#include <algorithm>
+#include <cmath>
+#include <cassert>
+
+#include <osg/Geometry>
+#include <osg/Array>
+#include <osg/Notify>
+#include <osgAnimation/MorphGeometry>
+#include <osgUtil/MeshOptimizers>
+
+#include "GeometryUniqueVisitor"
+#include "TriangleMeshGraph"
+
+
+// Smoothing steps:
+//
+// 1. compute the vertex/triangles graph
+// 2. compute triangle normals (vertexTriangles::addTriangle)
+// 3. determine *piecewise* one-ring for each *unique* vertex (TriangleMeshGraph::vertexOneRing)
+//    Each piece of the one-ring contains triangles that are neighbors and do not share a sharp edge
+// 4. for each one-ring piece sum the triangle normals (TriangleMeshSmoother::computeVertexNormals)
+// 5. if the vertex has been processed already: duplicate and update triangles
+//    otherwise set the normal
+//
+// **triangle normals are normalized but weighted by their area when cumulated over the ring**
+
+class TriangleMeshSmoother {
+public:
+    enum SmoothingMode {
+        recompute      = 1 << 0,
+        diagnose       = 1 << 1,
+        smooth_flipped = 1 << 2,
+        smooth_all     = 1 << 3
+    };
+
+
+    class DuplicateVertex : public osg::ArrayVisitor {
+    public:
+        unsigned int _i;
+        unsigned int _end;
+
+        DuplicateVertex(unsigned int i): _i(i), _end(i)
+        {}
+
+        template <class ARRAY>
+        void apply_imp(ARRAY& array) {
+            _end = array.size();
+            array.push_back(array[_i]);
+        }
+
+        virtual void apply(osg::ByteArray& array) { apply_imp(array); }
+        virtual void apply(osg::ShortArray& array) { apply_imp(array); }
+        virtual void apply(osg::IntArray& array) { apply_imp(array); }
+        virtual void apply(osg::UByteArray& array) { apply_imp(array); }
+        virtual void apply(osg::UShortArray& array) { apply_imp(array); }
+        virtual void apply(osg::UIntArray& array) { apply_imp(array); }
+        virtual void apply(osg::FloatArray& array) { apply_imp(array); }
+        virtual void apply(osg::DoubleArray& array) { apply_imp(array); }
+
+        virtual void apply(osg::Vec2Array& array) { apply_imp(array); }
+        virtual void apply(osg::Vec3Array& array) { apply_imp(array); }
+        virtual void apply(osg::Vec4Array& array) { apply_imp(array); }
+
+        virtual void apply(osg::Vec2bArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec3bArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec4bArray& array) { apply_imp(array); }
+
+        virtual void apply(osg::Vec2sArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec3sArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec4sArray& array) { apply_imp(array); }
+
+        virtual void apply(osg::Vec2iArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec3iArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec4iArray& array) { apply_imp(array); }
+
+        virtual void apply(osg::Vec2dArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec3dArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec4dArray& array) { apply_imp(array); }
+
+        virtual void apply(osg::Vec2ubArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec3ubArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec4ubArray& array) { apply_imp(array); }
+
+        virtual void apply(osg::Vec2usArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec3usArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec4usArray& array) { apply_imp(array); }
+
+        virtual void apply(osg::Vec2uiArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec3uiArray& array) { apply_imp(array); }
+        virtual void apply(osg::Vec4uiArray& array) { apply_imp(array); }
+
+        virtual void apply(osg::MatrixfArray& array) { apply_imp(array); }
+        virtual void apply(osg::MatrixdArray& array) { apply_imp(array); }
+    };
+
+public:
+    TriangleMeshSmoother(osg::Geometry& geometry, float creaseAngle, bool /*comparePosition*/=false, int /*mode*/=diagnose);
+
+    ~TriangleMeshSmoother() {
+        if(_graph) {
+            delete _graph;
+        }
+    }
+
+protected:
+    unsigned int duplicateVertex(unsigned int);
+
+    void smoothVertexNormals(bool /*fix*/=true, bool /*force*/=false);
+
+    void computeVertexNormals();
+
+    osg::Vec3f cumulateTriangleNormals(const IndexVector&) const;
+
+    void replaceVertexIndexInTriangles(const IndexVector&, unsigned int, unsigned int);
+
+    void addArray(osg::Array*);
+
+    void updateGeometryPrimitives();
+
+
+protected:
+    osg::Geometry& _geometry;
+    float _creaseAngle;
+    TriangleMeshGraph* _graph;
+    TriangleVector _triangles;
+    ArrayVector _vertexArrays;
+    int _mode; // smooth or recompute normals
+};

src/osgPlugins/gles/TriangleMeshSmoother.cpp

@@ -0,0 +1,257 @@
+#include "TriangleMeshSmoother"
+
+
+TriangleMeshSmoother::TriangleMeshSmoother(osg::Geometry& geometry, float creaseAngle, bool comparePosition, int mode):
+    _geometry(geometry),
+    _creaseAngle(creaseAngle),
+    _graph(0),
+    _mode(mode)
+{
+    if(!_geometry.getVertexArray() || !_geometry.getVertexArray()->getNumElements()) {
+        return;
+    }
+
+    osgUtil::SharedArrayOptimizer deduplicator;
+    deduplicator.findDuplicatedUVs(geometry);
+
+    // duplicate shared arrays as it isn't safe to duplicate vertices when arrays are shared.
+    if (geometry.containsSharedArrays()) {
+        geometry.duplicateSharedArrays();
+    }
+
+    if(!_geometry.getNormalArray() || _geometry.getNormalArray()->getNumElements() != _geometry.getVertexArray()->getNumElements()) {
+        _geometry.setNormalArray(new osg::Vec3Array(_geometry.getVertexArray()->getNumElements()), osg::Array::BIND_PER_VERTEX);
+    }
+
+    // build a unifier to consider deduplicated vertex indices
+    _graph = new TriangleMeshGraph(_geometry, comparePosition);
+
+    unsigned int nbTriangles = 0;
+    for(unsigned int i = 0 ; i < _geometry.getNumPrimitiveSets() ; ++ i) {
+        osg::PrimitiveSet* primitive = _geometry.getPrimitiveSet(i);
+
+        if(!primitive || !primitive->getNumIndices()) {
+            continue;
+        }
+        else if(primitive->getMode() > osg::PrimitiveSet::TRIANGLES) {
+            OSG_INFO << "[smoother] Cannot smooth geometry '" << _geometry.getName()
+                        << "' due to not tessellated primitives" << std::endl;
+            return;
+        }
+        else if(primitive->getMode() == osg::PrimitiveSet::TRIANGLES) {
+            nbTriangles += primitive->getNumIndices() / 3;
+        }
+    }
+    _triangles.reserve(nbTriangles);
+
+    // collect all buffers that are BIND_PER_VERTEX for eventual vertex duplication
+    addArray(_geometry.getVertexArray());
+    addArray(_geometry.getColorArray());
+    addArray(_geometry.getSecondaryColorArray());
+    addArray(_geometry.getFogCoordArray());
+    for(unsigned int i = 0; i < _geometry.getNumTexCoordArrays(); ++ i) {
+        addArray(_geometry.getTexCoordArray(i));
+    }
+    for(unsigned int i = 0; i < _geometry.getNumVertexAttribArrays(); ++ i) {
+        addArray(_geometry.getVertexAttribArray(i));
+    }
+
+    switch(_mode) {
+        case recompute:
+            computeVertexNormals();
+            break;
+        case smooth_all:
+            smoothVertexNormals(true, true);
+            break;
+        case smooth_flipped:
+            smoothVertexNormals(true, false);
+            break;
+        case diagnose:
+            smoothVertexNormals(false, false);
+            break;
+    };
+
+    // deduplicate UVs array that were only shared within the geometry
+    deduplicator.deduplicateUVs(geometry);
+}
+
+
+unsigned int TriangleMeshSmoother::duplicateVertex(unsigned int index) {
+    DuplicateVertex duplicate(index);
+    for(ArrayVector::iterator array = _vertexArrays.begin(); array != _vertexArrays.end(); ++ array) {
+        (*array)->accept(duplicate);
+    }
+
+    _graph->add(duplicate._end, index);
+    return duplicate._end;
+}
+
+
+void TriangleMeshSmoother::smoothVertexNormals(bool fix, bool force) {
+    _vertexArrays.clear(); // make sure we do not change vertex count
+    bool flipped = false;
+
+    osg::Vec3Array* normals = dynamic_cast<osg::Vec3Array*>(_geometry.getNormalArray());
+    osg::Vec3Array* positions = dynamic_cast<osg::Vec3Array*>(_geometry.getVertexArray());
+
+    if(!positions || !normals || normals->getNumElements() != positions->getNumElements()) {
+        OSG_WARN << std::endl
+                    << "Warning: [smoothVertexNormals] [[normals]] Geometry '" << _geometry.getName()
+                    << "' has invalid positions/normals";
+        return;
+    }
+
+    for(unsigned int index = 0 ; index < positions->getNumElements() ; ++ index) {
+        std::vector<IndexVector> oneRing = _graph->vertexOneRing(_graph->unify(index), _creaseAngle);
+        osg::Vec3f smoothedNormal(0.f, 0.f, 0.f);
+
+        // sum normals for each cluster in the one-ring
+        for(std::vector<IndexVector>::iterator cluster = oneRing.begin() ; cluster != oneRing.end() ; ++ cluster) {
+            smoothedNormal += cumulateTriangleNormals(*cluster);
+        }
+
+        float length = smoothedNormal.normalize();
+        if(length > 0.) {
+            if(force || smoothedNormal * normals->at(index) < 1.e-6) {
+                flipped = true;
+                if(fix) {
+                    (*normals)[index] = smoothedNormal;
+                }
+            }
+        }
+    }
+
+    if(flipped) {
+        OSG_WARN << std::endl << "Warning: [smoothVertexNormals] [[normals]] Geometry '" << _geometry.getName() << "' ";
+        switch(_mode) {
+            case diagnose:
+                OSG_WARN << "has some flipped normals; please check that the shading is correct" << std::endl;
+                OSG_WARN << "Monitor: normal.invalid" << std::endl;
+                break;
+            case smooth_flipped:
+                OSG_WARN << "has some flipped normals that have been fixed" << std::endl;
+                OSG_WARN << "Monitor: normal.smooth_flipped" << std::endl;
+                break;
+            case smooth_all:
+                OSG_WARN << "normals have all been smoothed" << std::endl;
+                OSG_WARN << "Monitor: normal.smooth_all" << std::endl;
+                break;
+        }
+    }
+}
+
+
+void TriangleMeshSmoother::computeVertexNormals() {
+    osg::Vec3Array* normals = new osg::Vec3Array(osg::Array::BIND_PER_VERTEX,
+                                                    _geometry.getVertexArray()->getNumElements());
+    addArray(normals);
+
+    for(unsigned int i = 0 ; i < normals->getNumElements() ; ++ i) {
+        (*normals)[i].set(0.f, 0.f, 0.f);
+    }
+
+    for(VertexIterator uniqueIndex = _graph->begin() ; uniqueIndex != _graph->end() ; ++ uniqueIndex) {
+        unsigned int index = uniqueIndex->_index;
+        std::set<unsigned int> processed;
+
+        std::vector<IndexVector> oneRing = _graph->vertexOneRing(index, _creaseAngle);
+        for(std::vector<IndexVector>::iterator cluster = oneRing.begin() ; cluster != oneRing.end() ; ++ cluster) {
+            osg::Vec3f clusterNormal = cumulateTriangleNormals(*cluster);
+            clusterNormal.normalize();
+
+            std::set<unsigned int> duplicates;
+            for(IndexVector::const_iterator tri = cluster->begin() ; tri != cluster->end() ; ++ tri) {
+                const Triangle& triangle = _graph->triangle(*tri);
+
+                if(_graph->unify(triangle.v1()) == index) {
+                    duplicates.insert(triangle.v1());
+                }
+                else if(_graph->unify(triangle.v2()) == index) {
+                    duplicates.insert(triangle.v2());
+                }
+                else if(_graph->unify(triangle.v3()) == index) {
+                    duplicates.insert(triangle.v3());
+                }
+            }
+
+            for(std::set<unsigned int>::iterator vertex = duplicates.begin() ; vertex != duplicates.end() ; ++ vertex) {
+                if(processed.find(*vertex) == processed.end()) {
+                    // vertex not yet processed
+                    (*normals)[*vertex] = clusterNormal;
+                    processed.insert(*vertex);
+                }
+                else {
+                    // vertex already processed in a previous cluster: need to duplicate
+                    unsigned int duplicate = duplicateVertex(*vertex);
+                    replaceVertexIndexInTriangles(*cluster, *vertex, duplicate);
+                    (*normals)[duplicate] = clusterNormal;
+
+                    processed.insert(duplicate);
+                }
+            }
+        }
+    }
+
+    _geometry.setNormalArray(normals, osg::Array::BIND_PER_VERTEX);
+    updateGeometryPrimitives();
+
+    OSG_WARN << std::endl <<"Warning: [computeVertexNormals] [[normals]] Geometry '" << _geometry.getName()
+                << "' normals have been recomputed" << std::endl;
+    OSG_WARN << "Monitor: normal.recompute" << std::endl;
+}
+
+
+osg::Vec3f TriangleMeshSmoother::cumulateTriangleNormals(const IndexVector& triangles) const {
+    osg::Vec3f normal;
+    normal.set(0.f, 0.f, 0.f);
+    for(IndexVector::const_iterator triangle = triangles.begin() ; triangle != triangles.end() ; ++ triangle) {
+        const Triangle& t = _graph->triangle(*triangle);
+        normal += (t._normal * t._area);
+    }
+    return normal;
+}
+
+
+void TriangleMeshSmoother::replaceVertexIndexInTriangles(const IndexVector& triangles, unsigned int oldIndex, unsigned int newIndex) {
+    for(IndexVector::const_iterator tri = triangles.begin() ; tri != triangles.end() ; ++ tri) {
+        Triangle& triangle = _graph->triangle(*tri);
+        if(triangle.v1() == oldIndex) {
+            triangle.v1() = newIndex;
+        }
+        else if(triangle.v2() == oldIndex) {
+            triangle.v2() = newIndex;
+        }
+        else if(triangle.v3() == oldIndex) {
+            triangle.v3() = newIndex;
+        }
+    }
+}
+
+
+void TriangleMeshSmoother::addArray(osg::Array* array) {
+    if (array && array->getBinding() == osg::Array::BIND_PER_VERTEX) {
+        _vertexArrays.push_back(array);
+    }
+}
+
+
+void TriangleMeshSmoother::updateGeometryPrimitives() {
+    osg::Geometry::PrimitiveSetList primitives;
+    for(unsigned int i = 0 ; i < _geometry.getNumPrimitiveSets() ; ++ i) {
+        osg::PrimitiveSet* primitive = _geometry.getPrimitiveSet(i);
+        if(primitive && primitive->getMode() < osg::PrimitiveSet::TRIANGLES) {
+            primitives.push_back(primitive);
+        }
+    }
+
+    osg::DrawElementsUInt* triangles = new osg::DrawElementsUInt(osg::PrimitiveSet::TRIANGLES);
+    for(unsigned int i = 0 ; i < _graph->getNumTriangles() ; ++ i) {
+        const Triangle& triangle = _graph->triangle(i);
+        triangles->push_back(triangle.v1());
+        triangles->push_back(triangle.v2());
+        triangles->push_back(triangle.v3());
+    }
+    primitives.push_back(triangles);
+
+    _geometry.setPrimitiveSetList(primitives);
+}

src/osgPlugins/gles/glesUtil

@@ -9,6 +9,7 @@
 #include <algorithm>
 
 #include <osg/Array>
+#include <osg/ValueObject>
 #include <osg/ref_ptr>
 #include <osgUtil/MeshOptimizers>
 #include <osg/TriangleIndexFunctor>
@@ -25,6 +26,33 @@ namespace glesUtil {
     using namespace osg;
     typedef std::vector<unsigned int> IndexList;
 
+
+    inline bool hasPositiveWeights(const osg::Geometry* geometry) {
+        const osg::Vec4Array* weights = 0;
+
+        for(unsigned int i = 0 ; i < geometry->getNumVertexAttribArrays() ; ++ i) {
+            const osg::Array* attribute = geometry->getVertexAttribArray(i);
+            bool isWeights = false;
+            if(attribute && attribute->getUserValue("weights", isWeights) && isWeights) {
+                weights = dynamic_cast<const osg::Vec4Array*>(attribute);
+                break;
+            }
+        }
+
+        if(weights) {
+            for(osg::Vec4Array::const_iterator weight = weights->begin() ; weight != weights->end() ; ++ weight) {
+                const osg::Vec4& value = *weight;
+                // weights are sorted in decreasing order
+                if(value[0] != 0.f) {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
+
     // A helper class that gathers up all the attribute arrays of an
     // osg::Geometry object that are BIND_PER_VERTEX and runs an
     // ArrayVisitor on them.