400 lines
14 KiB
Plaintext
400 lines
14 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSG_PRIMTIVESET
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#define OSG_PRIMTIVESET 1
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#include <osg/Drawable>
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namespace osg {
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#ifndef _MSC_VER
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typedef std::vector<GLsizei> VectorSizei;
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typedef std::vector<GLubyte> VectorUByte;
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typedef std::vector<GLushort> VectorUShort;
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typedef std::vector<GLuint> VectorUInt;
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#else // _MSC_VER
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// Following Vector wrapper classes are work arounds for MS linker problems with
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// multiply implemented methods.
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//
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// An alternative, sent in by Clay Fowler, is workaround in VS to prevent the problem:
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// the following changes have to be made to the project to make it compile,
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// but NO changes are required to the actual source code:
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// In the osgUtil project, go to the project properties, select the Linker/Command Line property page,
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// and add the following switch in the "Additional Options" field:
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// FORCE:MULTIPLE
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class VectorSizei: public std::vector<GLsizei> {
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typedef std::vector<value_type> inherited;
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public:
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VectorSizei(): inherited() {}
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explicit VectorSizei(size_type n): inherited(n) {}
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VectorSizei(const VectorSizei ©): inherited(copy) {}
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//VectorSizei(value_type *beg_, value_type *end_): inherited(beg_, end_) {}
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template<class InputIterator>
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VectorSizei(InputIterator beg_, InputIterator end_): inherited(beg_, end_) {}
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};
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class VectorUByte: public std::vector<GLubyte> {
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typedef std::vector<value_type> inherited;
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public:
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VectorUByte(): inherited() {}
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explicit VectorUByte(size_type n): inherited(n) {}
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VectorUByte(const VectorUByte ©): inherited(copy) {}
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//VectorUByte(value_type *beg_, value_type *end_): inherited(beg_, end_) {}
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template<class InputIterator>
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VectorUByte(InputIterator beg_, InputIterator end_): inherited(beg_, end_) {}
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};
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class VectorUShort: public std::vector<GLushort> {
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typedef std::vector<value_type> inherited;
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public:
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VectorUShort(): inherited() {}
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explicit VectorUShort(size_type n): inherited(n) {}
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VectorUShort(const VectorUShort ©): inherited(copy) {}
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//VectorUShort(value_type *beg_, value_type *end_): inherited(beg_, end_) {}
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template<class InputIterator>
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VectorUShort(InputIterator beg_, InputIterator end_): inherited(beg_, end_) {}
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};
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class VectorUInt: public std::vector<GLuint> {
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typedef std::vector<value_type> inherited;
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public:
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VectorUInt(): inherited() {}
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explicit VectorUInt(size_type n): inherited(n) {}
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VectorUInt(const VectorUInt ©): inherited(copy) {}
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//VectorUInt(value_type *beg_, value_type *end_): inherited(beg_, end_) {}
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template<class InputIterator>
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VectorUInt(InputIterator beg_, InputIterator end_): inherited(beg_, end_) {}
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};
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#endif
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class PrimitiveSet : 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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PrimitiveType,
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DrawArraysPrimitiveType,
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DrawArrayLengthsPrimitiveType,
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DrawElementsUBytePrimitiveType,
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DrawElementsUShortPrimitiveType,
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DrawElementsUIntPrimitiveType
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};
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enum Mode
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{
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POINTS = GL_POINTS,
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LINES = GL_LINES,
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LINE_STRIP = GL_LINE_STRIP,
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LINE_LOOP = GL_LINE_LOOP,
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TRIANGLES = GL_TRIANGLES,
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TRIANGLE_STRIP = GL_TRIANGLE_STRIP,
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TRIANGLE_FAN = GL_TRIANGLE_FAN,
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QUADS = GL_QUADS,
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QUAD_STRIP = GL_QUAD_STRIP,
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POLYGON = GL_POLYGON
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};
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PrimitiveSet(Type primType=PrimitiveType,GLenum mode=0):
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_primitiveType(primType),
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_mode(mode) {}
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PrimitiveSet(const PrimitiveSet& prim,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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Object(prim,copyop),
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_primitiveType(prim._primitiveType),
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_mode(prim._mode) {}
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virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const PrimitiveSet*>(obj)!=NULL; }
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virtual const char* libraryName() const { return "osg"; }
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virtual const char* className() const { return "PrimitiveSet"; }
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Type getType() const { return _primitiveType; }
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void setMode(GLenum mode) { _mode = mode; }
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GLenum getMode() const { return _mode; }
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virtual void draw() const = 0;
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virtual void accept(Drawable::PrimitiveFunctor& functor) const = 0;
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virtual unsigned int index(unsigned int pos) const = 0;
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virtual unsigned int getNumIndices() const = 0;
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virtual void offsetIndices(int offset) = 0;
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virtual unsigned int getNumPrimitives() const
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{
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switch(_mode)
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{
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case(POINTS): return getNumIndices();
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case(LINES): return getNumIndices()/2;
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case(TRIANGLES): return getNumIndices()/3;
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case(QUADS): return getNumIndices()/4;
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case(LINE_STRIP):
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case(LINE_LOOP):
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case(TRIANGLE_STRIP):
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case(TRIANGLE_FAN):
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case(QUAD_STRIP):
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case(POLYGON): return 1;
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}
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return 0;
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}
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protected:
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Type _primitiveType;
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GLenum _mode;
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};
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class SG_EXPORT DrawArrays : public PrimitiveSet
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{
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public:
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DrawArrays(GLenum mode=0):
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PrimitiveSet(DrawArraysPrimitiveType,mode),
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_first(0),
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_count(0) {}
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DrawArrays(GLenum mode, GLint first, GLsizei count):
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PrimitiveSet(DrawArraysPrimitiveType,mode),
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_first(first),
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_count(count) {}
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DrawArrays(const DrawArrays& da,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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PrimitiveSet(da,copyop),
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_first(da._first),
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_count(da._count) {}
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virtual Object* cloneType() const { return new DrawArrays(); }
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virtual Object* clone(const CopyOp& copyop) const { return new DrawArrays(*this,copyop); }
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virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const DrawArrays*>(obj)!=NULL; }
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virtual const char* libraryName() const { return "osg"; }
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virtual const char* className() const { return "DrawArrays"; }
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void set(GLenum mode,GLint first, GLsizei count)
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{
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_mode = mode;
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_first = first;
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_count = count;
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}
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void setFirst(GLint first) { _first = first; }
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GLint getFirst() const { return _first; }
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void setCount(GLsizei count) { _count = count; }
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GLsizei getCount() const { return _count; }
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virtual void draw() const;
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virtual void accept(Drawable::PrimitiveFunctor& functor) const;
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virtual unsigned int getNumIndices() const { return _count; }
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virtual unsigned int index(unsigned int pos) const { return _first+pos; }
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virtual void offsetIndices(int offset) { _first += offset; }
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protected:
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GLint _first;
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GLsizei _count;
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};
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class SG_EXPORT DrawArrayLengths : public PrimitiveSet, public VectorSizei
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{
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public:
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DrawArrayLengths(GLenum mode=0):
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PrimitiveSet(DrawArrayLengthsPrimitiveType,mode),
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_first(0) {}
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DrawArrayLengths(const DrawArrayLengths& dal,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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PrimitiveSet(dal,copyop),
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VectorSizei(dal),
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_first(dal._first) {}
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DrawArrayLengths(GLenum mode, GLint first, unsigned int no, GLsizei* ptr) :
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PrimitiveSet(DrawArrayLengthsPrimitiveType,mode),
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VectorSizei(ptr,ptr+no),
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_first(first) {}
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DrawArrayLengths(GLenum mode,GLint first, unsigned int no) :
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PrimitiveSet(DrawArrayLengthsPrimitiveType,mode),
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VectorSizei(no),
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_first(first) {}
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template <class InputIterator>
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DrawArrayLengths(GLenum mode, GLint first, InputIterator firstItr,InputIterator lastItr) :
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PrimitiveSet(DrawArrayLengthsPrimitiveType,mode),
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VectorSizei(firstItr,lastItr),
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_first(first) {}
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virtual Object* cloneType() const { return new DrawArrayLengths(); }
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virtual Object* clone(const CopyOp& copyop) const { return new DrawArrayLengths(*this,copyop); }
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virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const DrawArrayLengths*>(obj)!=NULL; }
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virtual const char* libraryName() const { return "osg"; }
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virtual const char* className() const { return "DrawArrayLengths"; }
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void setFirst(GLint first) { _first = first; }
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GLint getFirst() const { return _first; }
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virtual void draw() const;
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virtual void accept(Drawable::PrimitiveFunctor& functor) const;
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virtual unsigned int getNumIndices() const;
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virtual unsigned int index(unsigned int pos) const { return _first+pos; }
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virtual void offsetIndices(int offset) { _first += offset; }
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virtual unsigned int getNumPrimitives() const
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{
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switch(_mode)
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{
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case(POINTS): return getNumIndices();
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case(LINES): return getNumIndices()/2;
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case(TRIANGLES): return getNumIndices()/3;
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case(QUADS): return getNumIndices()/4;
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case(LINE_STRIP):
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case(LINE_LOOP):
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case(TRIANGLE_STRIP):
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case(TRIANGLE_FAN):
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case(QUAD_STRIP):
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case(POLYGON): return size();
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}
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return 0;
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}
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protected:
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GLint _first;
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};
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class SG_EXPORT DrawElementsUByte : public PrimitiveSet, public VectorUByte
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{
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public:
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DrawElementsUByte(GLenum mode=0):
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PrimitiveSet(DrawElementsUBytePrimitiveType,mode) {}
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DrawElementsUByte(const DrawElementsUByte& array,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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PrimitiveSet(array,copyop),
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VectorUByte(array) {}
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DrawElementsUByte(GLenum mode,unsigned int no,GLubyte* ptr) :
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PrimitiveSet(DrawElementsUBytePrimitiveType,mode),
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VectorUByte(ptr,ptr+no) {}
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DrawElementsUByte(GLenum mode,unsigned int no) :
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PrimitiveSet(DrawElementsUBytePrimitiveType,mode),
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VectorUByte(no) {}
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template <class InputIterator>
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DrawElementsUByte(GLenum mode, InputIterator first,InputIterator last) :
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PrimitiveSet(DrawElementsUBytePrimitiveType,mode),
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VectorUByte(first,last) {}
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virtual Object* cloneType() const { return new DrawElementsUByte(); }
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virtual Object* clone(const CopyOp& copyop) const { return new DrawElementsUByte(*this,copyop); }
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virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const DrawElementsUByte*>(obj)!=NULL; }
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virtual const char* libraryName() const { return "osg"; }
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virtual const char* className() const { return "DrawElementsUByte"; }
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virtual void draw() const ;
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virtual void accept(Drawable::PrimitiveFunctor& functor) const;
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virtual unsigned int getNumIndices() const { return size(); }
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virtual unsigned int index(unsigned int pos) const { return (*this)[pos]; }
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virtual void offsetIndices(int offset);
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};
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class SG_EXPORT DrawElementsUShort : public PrimitiveSet, public VectorUShort
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{
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public:
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DrawElementsUShort(GLenum mode=0):
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PrimitiveSet(DrawElementsUShortPrimitiveType,mode) {}
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DrawElementsUShort(const DrawElementsUShort& array,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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PrimitiveSet(array,copyop),
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VectorUShort(array) {}
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DrawElementsUShort(GLenum mode,unsigned int no,GLushort* ptr) :
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PrimitiveSet(DrawElementsUShortPrimitiveType,mode),
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VectorUShort(ptr,ptr+no) {}
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DrawElementsUShort(GLenum mode,unsigned int no) :
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PrimitiveSet(DrawElementsUShortPrimitiveType,mode),
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VectorUShort(no) {}
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template <class InputIterator>
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DrawElementsUShort(GLenum mode, InputIterator first,InputIterator last) :
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PrimitiveSet(DrawElementsUShortPrimitiveType,mode),
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VectorUShort(first,last) {}
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virtual Object* cloneType() const { return new DrawElementsUShort(); }
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virtual Object* clone(const CopyOp& copyop) const { return new DrawElementsUShort(*this,copyop); }
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virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const DrawElementsUShort*>(obj)!=NULL; }
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virtual const char* libraryName() const { return "osg"; }
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virtual const char* className() const { return "DrawElementsUShort"; }
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virtual void draw() const;
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virtual void accept(Drawable::PrimitiveFunctor& functor) const;
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virtual unsigned int getNumIndices() const { return size(); }
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virtual unsigned int index(unsigned int pos) const { return (*this)[pos]; }
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virtual void offsetIndices(int offset);
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};
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class SG_EXPORT DrawElementsUInt : public PrimitiveSet, public VectorUInt
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{
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public:
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DrawElementsUInt(GLenum mode=0):
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PrimitiveSet(DrawElementsUIntPrimitiveType,mode) {}
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DrawElementsUInt(const DrawElementsUInt& array,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
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PrimitiveSet(array,copyop),
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VectorUInt(array) {}
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DrawElementsUInt(GLenum mode,unsigned int no,GLuint* ptr) :
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PrimitiveSet(DrawElementsUIntPrimitiveType,mode),
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VectorUInt(ptr,ptr+no) {}
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DrawElementsUInt(GLenum mode,unsigned int no) :
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PrimitiveSet(DrawElementsUIntPrimitiveType,mode),
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VectorUInt(no) {}
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template <class InputIterator>
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DrawElementsUInt(GLenum mode, InputIterator first,InputIterator last) :
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PrimitiveSet(DrawElementsUIntPrimitiveType,mode),
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VectorUInt(first,last) {}
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virtual Object* cloneType() const { return new DrawElementsUInt(); }
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virtual Object* clone(const CopyOp& copyop) const { return new DrawElementsUInt(*this,copyop); }
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virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const DrawElementsUInt*>(obj)!=NULL; }
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virtual const char* libraryName() const { return "osg"; }
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virtual const char* className() const { return "DrawElementsUInt"; }
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virtual void draw() const;
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virtual void accept(Drawable::PrimitiveFunctor& functor) const;
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virtual unsigned int getNumIndices() const { return size(); }
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virtual unsigned int index(unsigned int pos) const { return (*this)[pos]; }
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virtual void offsetIndices(int offset);
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};
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}
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#endif
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