523 lines
19 KiB
C++
523 lines
19 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_ARRAY
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#define OSG_ARRAY 1
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#include <osg/MixinVector>
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#include <osg/Vec2>
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#include <osg/Vec3>
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#include <osg/Vec4>
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#include <osg/Vec2d>
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#include <osg/Vec3d>
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#include <osg/Vec4d>
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#include <osg/Vec4ub>
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#include <osg/Vec2s>
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#include <osg/Vec3s>
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#include <osg/Vec4s>
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#include <osg/Vec2b>
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#include <osg/Vec3b>
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#include <osg/Vec4b>
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#include <osg/BufferObject>
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#include <osg/Object>
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#include <osg/GL>
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namespace osg {
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class ArrayVisitor;
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class ConstArrayVisitor;
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class ValueVisitor;
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class ConstValueVisitor;
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class OSG_EXPORT Array : public Object
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{
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public:
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enum Type
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{
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ArrayType = 0,
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ByteArrayType = 1,
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ShortArrayType = 2,
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IntArrayType = 3,
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UByteArrayType = 4,
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UShortArrayType = 5,
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UIntArrayType = 6,
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Vec4ubArrayType = 7,
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FloatArrayType = 8,
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Vec2ArrayType = 9,
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Vec3ArrayType = 10,
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Vec4ArrayType = 11,
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Vec2sArrayType = 12,
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Vec3sArrayType = 13,
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Vec4sArrayType = 14,
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Vec2bArrayType = 15,
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Vec3bArrayType = 16,
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Vec4bArrayType = 17,
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DoubleArrayType = 18,
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Vec2dArrayType = 19,
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Vec3dArrayType = 20,
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Vec4dArrayType = 21
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};
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Array(Type arrayType=ArrayType,GLint dataSize=0,GLenum dataType=0):
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_arrayType(arrayType),
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_dataSize(dataSize),
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_dataType(dataType),
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_modifiedCount(0),
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_vboOffset(0) {}
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Array(const Array& array,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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Object(array,copyop),
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_arrayType(array._arrayType),
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_dataSize(array._dataSize),
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_dataType(array._dataType),
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_modifiedCount(0),
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_vboOffset(0) {}
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virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const Array*>(obj)!=NULL; }
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virtual const char* libraryName() const { return "osg"; }
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virtual const char* className() const;
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virtual void accept(ArrayVisitor&) = 0;
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virtual void accept(ConstArrayVisitor&) const = 0;
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virtual void accept(unsigned int index,ValueVisitor&) = 0;
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virtual void accept(unsigned int index,ConstValueVisitor&) const = 0;
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/** Return -1 if lhs element is less than rhs element, 0 if equal,
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* 1 if lhs element is greater than rhs element. */
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virtual int compare(unsigned int lhs,unsigned int rhs) const = 0;
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Type getType() const { return _arrayType; }
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GLint getDataSize() const { return _dataSize; }
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GLenum getDataType() const { return _dataType; }
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virtual const GLvoid* getDataPointer() const = 0;
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virtual unsigned int getTotalDataSize() const = 0;
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virtual unsigned int getNumElements() const = 0;
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/** Frees unused space on this vector - i.e. the difference between size() and max_size() of the underlying vector.*/
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virtual void trim() {}
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/** Dirty the primitive, which increments the modified count, to force buffer objects to update. */
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inline void dirty() { ++_modifiedCount; if (_vbo.valid()) _vbo->dirty(); }
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/** Set the modified count value.*/
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inline void setModifiedCount(unsigned int value) { _modifiedCount=value; }
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/** Get modified count value.*/
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inline unsigned int getModifiedCount() const { return _modifiedCount; }
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/** Set the VertexBufferObject.*/
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inline void setVertexBufferObject(osg::VertexBufferObject* vbo)
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{
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if (_vbo == vbo) return;
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if (_vbo.valid())
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{
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_vbo->removeArray(this);
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}
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_vbo = vbo;
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if (_vbo.valid())
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{
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_vbo->addArray(this);
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}
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}
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/** Get the VertexBufferObject. If no VBO is assigned returns NULL*/
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inline osg::VertexBufferObject* getVertexBufferObject() { return _vbo.get(); }
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/** Get the const VertexBufferObject. If no VBO is assigned returns NULL*/
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inline const osg::VertexBufferObject* getVertexBufferObject() const { return _vbo.get(); }
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/** Set the offset into the VertexBufferObject, if used.*/
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void setVertexBufferObjectOffset(const GLvoid* offset ) const { _vboOffset = offset; }
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/** Get the offset into the VertexBufferObject, if used.*/
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const GLvoid* getVertexBufferObjectOffset() const { return _vboOffset; }
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protected:
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virtual ~Array()
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{
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if (_vbo.valid())
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{
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_vbo->removeArray(this);
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}
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}
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Type _arrayType;
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GLint _dataSize;
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GLenum _dataType;
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unsigned int _modifiedCount;
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osg::ref_ptr<osg::VertexBufferObject> _vbo;
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mutable const GLvoid* _vboOffset;
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};
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template<typename T, Array::Type ARRAYTYPE, int DataSize, int DataType>
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class TemplateArray : public Array, public MixinVector<T>
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{
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public:
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TemplateArray() : Array(ARRAYTYPE,DataSize,DataType) {}
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TemplateArray(const TemplateArray& ta,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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Array(ta,copyop),
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MixinVector<T>(ta) {}
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TemplateArray(unsigned int no) :
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Array(ARRAYTYPE,DataSize,DataType),
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MixinVector<T>(no) {}
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TemplateArray(unsigned int no,T* ptr) :
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Array(ARRAYTYPE,DataSize,DataType),
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MixinVector<T>(ptr,ptr+no) {}
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template <class InputIterator>
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TemplateArray(InputIterator first,InputIterator last) :
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Array(ARRAYTYPE,DataSize,DataType),
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MixinVector<T>(first,last) {}
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TemplateArray& operator = (const TemplateArray& array)
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{
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if (this==&array) return *this;
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assign(array.begin(),array.end());
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return *this;
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}
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virtual Object* cloneType() const { return new TemplateArray(); }
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virtual Object* clone(const CopyOp& copyop) const { return new TemplateArray(*this,copyop); }
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inline virtual void accept(ArrayVisitor& av);
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inline virtual void accept(ConstArrayVisitor& av) const;
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inline virtual void accept(unsigned int index,ValueVisitor& vv);
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inline virtual void accept(unsigned int index,ConstValueVisitor& vv) const;
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virtual int compare(unsigned int lhs,unsigned int rhs) const
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{
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const T& elem_lhs = (*this)[lhs];
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const T& elem_rhs = (*this)[rhs];
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if (elem_lhs<elem_rhs) return -1;
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if (elem_rhs<elem_lhs) return 1;
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return 0;
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}
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/** Frees unused space on this vector - i.e. the difference between size() and max_size() of the underlying vector.*/
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virtual void trim()
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{
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MixinVector<T>( *this ).swap( *this );
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}
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virtual const GLvoid* getDataPointer() const { if (!this->empty()) return &this->front(); else return 0; }
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virtual unsigned int getTotalDataSize() const { return static_cast<unsigned int>(this->size()*sizeof(T)); }
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virtual unsigned int getNumElements() const { return static_cast<unsigned int>(this->size()); }
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typedef T ElementDataType; // expose T
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protected:
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virtual ~TemplateArray() {}
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};
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class OSG_EXPORT IndexArray : public Array
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{
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public:
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IndexArray(Type arrayType=ArrayType,GLint dataSize=0,GLenum dataType=0):
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Array(arrayType,dataSize,dataType) {}
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IndexArray(const Array& array,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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Array(array,copyop) {}
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virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const IndexArray*>(obj)!=NULL; }
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virtual unsigned int index(unsigned int pos) const = 0;
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protected:
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virtual ~IndexArray() {}
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};
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template<typename T, Array::Type ARRAYTYPE, int DataSize, int DataType>
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class TemplateIndexArray : public IndexArray, public MixinVector<T>
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{
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public:
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TemplateIndexArray() : IndexArray(ARRAYTYPE,DataSize,DataType) {}
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TemplateIndexArray(const TemplateIndexArray& ta,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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IndexArray(ta,copyop),
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MixinVector<T>(ta) {}
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TemplateIndexArray(unsigned int no) :
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IndexArray(ARRAYTYPE,DataSize,DataType),
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MixinVector<T>(no) {}
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TemplateIndexArray(unsigned int no,T* ptr) :
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IndexArray(ARRAYTYPE,DataSize,DataType),
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MixinVector<T>(ptr,ptr+no) {}
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template <class InputIterator>
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TemplateIndexArray(InputIterator first,InputIterator last) :
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IndexArray(ARRAYTYPE,DataSize,DataType),
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MixinVector<T>(first,last) {}
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TemplateIndexArray& operator = (const TemplateIndexArray& array)
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{
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if (this==&array) return *this;
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assign(array.begin(),array.end());
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return *this;
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}
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virtual Object* cloneType() const { return new TemplateIndexArray(); }
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virtual Object* clone(const CopyOp& copyop) const { return new TemplateIndexArray(*this,copyop); }
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inline virtual void accept(ArrayVisitor& av);
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inline virtual void accept(ConstArrayVisitor& av) const;
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inline virtual void accept(unsigned int index,ValueVisitor& vv);
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inline virtual void accept(unsigned int index,ConstValueVisitor& vv) const;
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virtual int compare(unsigned int lhs,unsigned int rhs) const
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{
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const T& elem_lhs = (*this)[lhs];
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const T& elem_rhs = (*this)[rhs];
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if (elem_lhs<elem_rhs) return -1;
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if (elem_rhs<elem_lhs) return 1;
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return 0;
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}
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/** Frees unused space on this vector - i.e. the difference between size() and max_size() of the underlying vector.*/
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virtual void trim()
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{
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MixinVector<T>( *this ).swap( *this );
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}
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virtual const GLvoid* getDataPointer() const { if (!this->empty()) return &this->front(); else return 0; }
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virtual unsigned int getTotalDataSize() const { return static_cast<unsigned int>(this->size()*sizeof(T)); }
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virtual unsigned int getNumElements() const { return static_cast<unsigned int>(this->size()); }
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virtual unsigned int index(unsigned int pos) const { return (*this)[pos]; }
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typedef T ElementDataType; // expose T
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protected:
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virtual ~TemplateIndexArray() {}
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};
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typedef TemplateIndexArray<GLbyte,Array::ByteArrayType,1,GL_BYTE> ByteArray;
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typedef TemplateIndexArray<GLshort,Array::ShortArrayType,1,GL_SHORT> ShortArray;
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typedef TemplateIndexArray<GLint,Array::IntArrayType,1,GL_INT> IntArray;
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typedef TemplateIndexArray<GLubyte,Array::UByteArrayType,1,GL_UNSIGNED_BYTE> UByteArray;
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typedef TemplateIndexArray<GLushort,Array::UShortArrayType,1,GL_UNSIGNED_SHORT> UShortArray;
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typedef TemplateIndexArray<GLuint,Array::UIntArrayType,1,GL_UNSIGNED_INT> UIntArray;
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typedef TemplateArray<GLfloat,Array::FloatArrayType,1,GL_FLOAT> FloatArray;
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typedef TemplateArray<Vec2,Array::Vec2ArrayType,2,GL_FLOAT> Vec2Array;
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typedef TemplateArray<Vec3,Array::Vec3ArrayType,3,GL_FLOAT> Vec3Array;
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typedef TemplateArray<Vec4,Array::Vec4ArrayType,4,GL_FLOAT> Vec4Array;
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typedef TemplateArray<Vec4ub,Array::Vec4ubArrayType,4,GL_UNSIGNED_BYTE> Vec4ubArray;
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typedef TemplateArray<Vec2s,Array::Vec2sArrayType,2,GL_SHORT> Vec2sArray;
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typedef TemplateArray<Vec3s,Array::Vec3sArrayType,3,GL_SHORT> Vec3sArray;
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typedef TemplateArray<Vec4s,Array::Vec4sArrayType,4,GL_SHORT> Vec4sArray;
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typedef TemplateArray<Vec2b,Array::Vec2bArrayType,2,GL_BYTE> Vec2bArray;
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typedef TemplateArray<Vec3b,Array::Vec3bArrayType,3,GL_BYTE> Vec3bArray;
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typedef TemplateArray<Vec4b,Array::Vec4bArrayType,4,GL_BYTE> Vec4bArray;
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typedef TemplateArray<GLdouble,Array::DoubleArrayType,1,GL_DOUBLE> DoubleArray;
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typedef TemplateArray<Vec2d,Array::Vec2dArrayType,2,GL_DOUBLE> Vec2dArray;
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typedef TemplateArray<Vec3d,Array::Vec3dArrayType,3,GL_DOUBLE> Vec3dArray;
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typedef TemplateArray<Vec4d,Array::Vec4dArrayType,4,GL_DOUBLE> Vec4dArray;
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class ArrayVisitor
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{
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public:
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ArrayVisitor() {}
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virtual ~ArrayVisitor() {}
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virtual void apply(Array&) {}
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virtual void apply(ByteArray&) {}
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virtual void apply(ShortArray&) {}
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virtual void apply(IntArray&) {}
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virtual void apply(UByteArray&) {}
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virtual void apply(UShortArray&) {}
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virtual void apply(UIntArray&) {}
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virtual void apply(FloatArray&) {}
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virtual void apply(DoubleArray&) {}
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virtual void apply(Vec2Array&) {}
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virtual void apply(Vec3Array&) {}
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virtual void apply(Vec4Array&) {}
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virtual void apply(Vec4ubArray&) {}
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virtual void apply(Vec2bArray&) {}
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virtual void apply(Vec3bArray&) {}
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virtual void apply(Vec4bArray&) {}
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virtual void apply(Vec2sArray&) {}
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virtual void apply(Vec3sArray&) {}
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virtual void apply(Vec4sArray&) {}
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virtual void apply(Vec2dArray&) {}
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virtual void apply(Vec3dArray&) {}
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virtual void apply(Vec4dArray&) {}
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};
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class ConstArrayVisitor
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{
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public:
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ConstArrayVisitor() {}
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virtual ~ConstArrayVisitor() {}
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virtual void apply(const Array&) {}
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virtual void apply(const ByteArray&) {}
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virtual void apply(const ShortArray&) {}
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virtual void apply(const IntArray&) {}
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virtual void apply(const UByteArray&) {}
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virtual void apply(const UShortArray&) {}
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virtual void apply(const UIntArray&) {}
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virtual void apply(const FloatArray&) {}
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virtual void apply(const DoubleArray&) {}
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virtual void apply(const Vec2Array&) {}
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virtual void apply(const Vec3Array&) {}
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virtual void apply(const Vec4Array&) {}
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virtual void apply(const Vec4ubArray&) {}
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virtual void apply(const Vec2bArray&) {}
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virtual void apply(const Vec3bArray&) {}
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virtual void apply(const Vec4bArray&) {}
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virtual void apply(const Vec2sArray&) {}
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virtual void apply(const Vec3sArray&) {}
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virtual void apply(const Vec4sArray&) {}
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virtual void apply(const Vec2dArray&) {}
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virtual void apply(const Vec3dArray&) {}
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virtual void apply(const Vec4dArray&) {}
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};
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class ValueVisitor
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{
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public:
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ValueVisitor() {}
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virtual ~ValueVisitor() {}
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virtual void apply(GLbyte&) {}
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virtual void apply(GLshort&) {}
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virtual void apply(GLint&) {}
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virtual void apply(GLushort&) {}
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virtual void apply(GLubyte&) {}
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virtual void apply(GLuint&) {}
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virtual void apply(GLfloat&) {}
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virtual void apply(GLdouble&) {}
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virtual void apply(Vec2&) {}
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virtual void apply(Vec3&) {}
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virtual void apply(Vec4&) {}
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virtual void apply(Vec4ub&) {}
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virtual void apply(Vec2b&) {}
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virtual void apply(Vec3b&) {}
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virtual void apply(Vec4b&) {}
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virtual void apply(Vec2s&) {}
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virtual void apply(Vec3s&) {}
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virtual void apply(Vec4s&) {}
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virtual void apply(Vec2d&) {}
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virtual void apply(Vec3d&) {}
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virtual void apply(Vec4d&) {}
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};
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class ConstValueVisitor
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{
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public:
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ConstValueVisitor() {}
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virtual ~ConstValueVisitor() {}
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virtual void apply(const GLbyte&) {}
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virtual void apply(const GLshort&) {}
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virtual void apply(const GLint&) {}
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virtual void apply(const GLushort&) {}
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virtual void apply(const GLubyte&) {}
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virtual void apply(const GLuint&) {}
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virtual void apply(const GLfloat&) {}
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virtual void apply(const GLdouble&) {}
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virtual void apply(const Vec4ub&) {}
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virtual void apply(const Vec2&) {}
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virtual void apply(const Vec3&) {}
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virtual void apply(const Vec4&) {}
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virtual void apply(const Vec2b&) {}
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virtual void apply(const Vec3b&) {}
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virtual void apply(const Vec4b&) {}
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virtual void apply(const Vec2s&) {}
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virtual void apply(const Vec3s&) {}
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virtual void apply(const Vec4s&) {}
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virtual void apply(const Vec2d&) {}
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virtual void apply(const Vec3d&) {}
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virtual void apply(const Vec4d&) {}
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};
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template<typename T, Array::Type ARRAYTYPE, int DataSize, int DataType>
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inline void TemplateArray<T,ARRAYTYPE,DataSize,DataType>::accept(ArrayVisitor& av) { av.apply(*this); }
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template<typename T, Array::Type ARRAYTYPE, int DataSize, int DataType>
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inline void TemplateArray<T,ARRAYTYPE,DataSize,DataType>::accept(ConstArrayVisitor& av) const { av.apply(*this); }
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template<typename T, Array::Type ARRAYTYPE, int DataSize, int DataType>
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inline void TemplateArray<T,ARRAYTYPE,DataSize,DataType>::accept(unsigned int index,ValueVisitor& vv) { vv.apply( (*this)[index] ); }
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template<typename T, Array::Type ARRAYTYPE, int DataSize, int DataType>
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inline void TemplateArray<T,ARRAYTYPE,DataSize,DataType>::accept(unsigned int index,ConstValueVisitor& vv) const { vv.apply( (*this)[index] );}
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template<typename T, Array::Type ARRAYTYPE, int DataSize, int DataType>
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inline void TemplateIndexArray<T,ARRAYTYPE,DataSize,DataType>::accept(ArrayVisitor& av) { av.apply(*this); }
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template<typename T, Array::Type ARRAYTYPE, int DataSize, int DataType>
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inline void TemplateIndexArray<T,ARRAYTYPE,DataSize,DataType>::accept(ConstArrayVisitor& av) const { av.apply(*this); }
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template<typename T, Array::Type ARRAYTYPE, int DataSize, int DataType>
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inline void TemplateIndexArray<T,ARRAYTYPE,DataSize,DataType>::accept(unsigned int index,ValueVisitor& vv) { vv.apply( (*this)[index] ); }
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template<typename T, Array::Type ARRAYTYPE, int DataSize, int DataType>
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inline void TemplateIndexArray<T,ARRAYTYPE,DataSize,DataType>::accept(unsigned int index,ConstValueVisitor& vv) const { vv.apply( (*this)[index] );}
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}
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#endif
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