OpenSceneGraph/include/osg/Primitive
Robert Osfield 211a823642 Added comment to reflect Clay Fowlers findings on getting VS to compile
without the Vector wrapper classes.
2002-07-07 22:12:51 +00:00

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//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
//Distributed under the terms of the GNU Library General Public License (LGPL)
//as published by the Free Software Foundation.
#ifndef OSG_PRIMTIVE
#define OSG_PRIMTIVE 1
#include <osg/Drawable>
namespace osg {
#ifndef _MSC_VER
typedef std::vector<GLsizei> VectorSizei;
typedef std::vector<GLubyte> VectorUByte;
typedef std::vector<GLushort> VectorUShort;
typedef std::vector<GLuint> VectorUInt;
#else // _MSC_VER
// Following Vector wrapper classes are work arounds for MS linker problems with
// multiply implemented methods.
//
// An alternative, sent in by Clay Fowler, is workaround in VS to prevent the problem:
// the following changes have to be made to the project to make it compile,
// but NO changes are required to the actual source code:
// In the osgUtil project, go to the project properties, select the Linker/Command Line property page,
// and add the following switch in the "Additional Options" field:
// FORCE:MULTIPLE
class VectorSizei: public std::vector<GLsizei> {
typedef std::vector<value_type> inherited;
public:
VectorSizei(): inherited() {}
explicit VectorSizei(size_type n): inherited(n) {}
VectorSizei(const VectorSizei &copy): inherited(copy) {}
VectorSizei(value_type *beg_, value_type *end_): inherited(beg_, end_) {}
template<class InputIterator>
VectorSizei(InputIterator beg_, InputIterator end_): inherited(beg_, end_) {}
};
class VectorUByte: public std::vector<GLubyte> {
typedef std::vector<value_type> inherited;
public:
VectorUByte(): inherited() {}
explicit VectorUByte(size_type n): inherited(n) {}
VectorUByte(const VectorUByte &copy): inherited(copy) {}
VectorUByte(value_type *beg_, value_type *end_): inherited(beg_, end_) {}
template<class InputIterator>
VectorUByte(InputIterator beg_, InputIterator end_): inherited(beg_, end_) {}
};
class VectorUShort: public std::vector<GLushort> {
typedef std::vector<value_type> inherited;
public:
VectorUShort(): inherited() {}
explicit VectorUShort(size_type n): inherited(n) {}
VectorUShort(const VectorUShort &copy): inherited(copy) {}
VectorUShort(value_type *beg_, value_type *end_): inherited(beg_, end_) {}
template<class InputIterator>
VectorUShort(InputIterator beg_, InputIterator end_): inherited(beg_, end_) {}
};
class VectorUInt: public std::vector<GLuint> {
typedef std::vector<value_type> inherited;
public:
VectorUInt(): inherited() {}
explicit VectorUInt(size_type n): inherited(n) {}
VectorUInt(const VectorUInt &copy): inherited(copy) {}
VectorUInt(value_type *beg_, value_type *end_): inherited(beg_, end_) {}
template<class InputIterator>
VectorUInt(InputIterator beg_, InputIterator end_): inherited(beg_, end_) {}
};
#endif
class Primitive : public Object
{
public:
enum Type
{
PrimitiveType,
DrawArraysPrimitiveType,
DrawArrayLengthsPrimitiveType,
DrawElementsUBytePrimitiveType,
DrawElementsUShortPrimitiveType,
DrawElementsUIntPrimitiveType
};
enum Mode
{
POINTS = GL_POINTS,
LINES = GL_LINES,
LINE_STRIP = GL_LINE_STRIP,
LINE_LOOP = GL_LINE_LOOP,
TRIANGLES = GL_TRIANGLES,
TRIANGLE_STRIP = GL_TRIANGLE_STRIP,
TRIANGLE_FAN = GL_TRIANGLE_FAN,
QUADS = GL_QUADS,
QUAD_STRIP = GL_QUAD_STRIP,
POLYGON = GL_POLYGON
};
Primitive(Type primType=PrimitiveType,GLenum mode=0):
_primitiveType(primType),
_mode(mode) {}
Primitive(const Primitive& prim,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
Object(prim,copyop),
_primitiveType(prim._primitiveType),
_mode(prim._mode) {}
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const Primitive*>(obj)!=NULL; }
virtual const char* libraryName() const { return "osg"; }
virtual const char* className() const { return "Primitve"; }
Type getType() const { return _primitiveType; }
void setMode(GLenum mode) { _mode = mode; }
GLenum getMode() const { return _mode; }
virtual void draw() const = 0;
virtual void applyPrimitiveOperation(Drawable::PrimitiveFunctor&) {}
protected:
Type _primitiveType;
GLenum _mode;
};
class SG_EXPORT DrawArrays : public Primitive
{
public:
DrawArrays(GLenum mode=0):
Primitive(DrawArraysPrimitiveType,mode),
_first(0),
_count(0) {}
DrawArrays(GLenum mode, GLint first, GLsizei count):
Primitive(DrawArraysPrimitiveType,mode),
_first(first),
_count(count) {}
DrawArrays(const DrawArrays& da,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
Primitive(da,copyop),
_first(da._first),
_count(da._count) {}
virtual Object* cloneType() const { return osgNew DrawArrays(); }
virtual Object* clone(const CopyOp& copyop) const { return osgNew DrawArrays(*this,copyop); }
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const DrawArrays*>(obj)!=NULL; }
virtual const char* libraryName() const { return "osg"; }
virtual const char* className() const { return "DrawArrays"; }
void set(GLenum mode,GLint first, GLsizei count)
{
_mode = mode;
_first = first;
_count = count;
}
void setFirst(GLint first) { _first = first; }
GLint getFirst() const { return _first; }
void setCount(GLsizei count) { _count = count; }
GLsizei getCount() const { return _count; }
virtual void draw() const;
virtual void applyPrimitiveOperation(Drawable::PrimitiveFunctor& functor);
protected:
GLint _first;
GLsizei _count;
};
class SG_EXPORT DrawArrayLengths : public Primitive, public VectorSizei
{
public:
DrawArrayLengths(GLenum mode=0):
Primitive(DrawArrayLengthsPrimitiveType,mode),
_first(0) {}
DrawArrayLengths(const DrawArrayLengths& dal,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
Primitive(dal,copyop),
VectorSizei(dal),
_first(dal._first) {}
DrawArrayLengths(GLenum mode, GLint first, unsigned int no, GLsizei* ptr) :
Primitive(DrawArrayLengthsPrimitiveType,mode),
VectorSizei(ptr,ptr+no),
_first(first) {}
DrawArrayLengths(GLenum mode,GLint first, unsigned int no) :
Primitive(DrawArrayLengthsPrimitiveType,mode),
VectorSizei(no),
_first(first) {}
template <class InputIterator>
DrawArrayLengths(GLenum mode, GLint first, InputIterator firstItr,InputIterator lastItr) :
Primitive(DrawArrayLengthsPrimitiveType,mode),
VectorSizei(firstItr,lastItr),
_first(first) {}
virtual Object* cloneType() const { return osgNew DrawArrayLengths(); }
virtual Object* clone(const CopyOp& copyop) const { return osgNew DrawArrayLengths(*this,copyop); }
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const DrawArrayLengths*>(obj)!=NULL; }
virtual const char* libraryName() const { return "osg"; }
virtual const char* className() const { return "DrawArrayLengths"; }
void setFirst(GLint first) { _first = first; }
GLint getFirst() const { return _first; }
virtual void draw() const;
virtual void applyPrimitiveOperation(Drawable::PrimitiveFunctor& functor);
protected:
GLint _first;
};
class SG_EXPORT DrawElementsUByte : public Primitive, public VectorUByte
{
public:
DrawElementsUByte(GLenum mode=0):
Primitive(DrawElementsUBytePrimitiveType,mode) {}
DrawElementsUByte(const DrawElementsUByte& array,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
Primitive(array,copyop),
VectorUByte(array) {}
DrawElementsUByte(GLenum mode,unsigned int no,unsigned char* ptr) :
Primitive(DrawElementsUBytePrimitiveType,mode),
VectorUByte(ptr,ptr+no) {}
DrawElementsUByte(GLenum mode,unsigned int no) :
Primitive(DrawElementsUBytePrimitiveType,mode),
VectorUByte(no) {}
template <class InputIterator>
DrawElementsUByte(GLenum mode, InputIterator first,InputIterator last) :
Primitive(DrawElementsUBytePrimitiveType,mode),
VectorUByte(first,last) {}
virtual Object* cloneType() const { return osgNew DrawElementsUByte(); }
virtual Object* clone(const CopyOp& copyop) const { return osgNew DrawElementsUByte(*this,copyop); }
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const DrawElementsUByte*>(obj)!=NULL; }
virtual const char* libraryName() const { return "osg"; }
virtual const char* className() const { return "DrawElementsUByte"; }
virtual void draw() const ;
virtual void applyPrimitiveOperation(Drawable::PrimitiveFunctor& functor);
};
class SG_EXPORT DrawElementsUShort : public Primitive, public VectorUShort
{
public:
DrawElementsUShort(GLenum mode=0):
Primitive(DrawElementsUShortPrimitiveType,mode) {}
DrawElementsUShort(const DrawElementsUShort& array,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
Primitive(array,copyop),
VectorUShort(array) {}
DrawElementsUShort(GLenum mode,unsigned int no,unsigned short* ptr) :
Primitive(DrawElementsUShortPrimitiveType,mode),
VectorUShort(ptr,ptr+no) {}
DrawElementsUShort(GLenum mode,unsigned int no) :
Primitive(DrawElementsUShortPrimitiveType,mode),
VectorUShort(no) {}
template <class InputIterator>
DrawElementsUShort(GLenum mode, InputIterator first,InputIterator last) :
Primitive(DrawElementsUShortPrimitiveType,mode),
VectorUShort(first,last) {}
virtual Object* cloneType() const { return osgNew DrawElementsUShort(); }
virtual Object* clone(const CopyOp& copyop) const { return osgNew DrawElementsUShort(*this,copyop); }
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const DrawElementsUShort*>(obj)!=NULL; }
virtual const char* libraryName() const { return "osg"; }
virtual const char* className() const { return "DrawElementsUShort"; }
virtual void draw() const;
virtual void applyPrimitiveOperation(Drawable::PrimitiveFunctor& functor);
};
class SG_EXPORT DrawElementsUInt : public Primitive, public VectorUInt
{
public:
DrawElementsUInt(GLenum mode=0):
Primitive(DrawElementsUIntPrimitiveType,mode) {}
DrawElementsUInt(const DrawElementsUInt& array,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
Primitive(array,copyop),
VectorUInt(array) {}
DrawElementsUInt(GLenum mode,unsigned int no,unsigned int* ptr) :
Primitive(DrawElementsUIntPrimitiveType,mode),
VectorUInt(ptr,ptr+no) {}
DrawElementsUInt(GLenum mode,unsigned int no) :
Primitive(DrawElementsUIntPrimitiveType,mode),
VectorUInt(no) {}
template <class InputIterator>
DrawElementsUInt(GLenum mode, InputIterator first,InputIterator last) :
Primitive(DrawElementsUIntPrimitiveType,mode),
VectorUInt(first,last) {}
virtual Object* cloneType() const { return osgNew DrawElementsUInt(); }
virtual Object* clone(const CopyOp& copyop) const { return osgNew DrawElementsUInt(*this,copyop); }
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const DrawElementsUInt*>(obj)!=NULL; }
virtual const char* libraryName() const { return "osg"; }
virtual const char* className() const { return "DrawElementsUInt"; }
virtual void draw() const;
virtual void applyPrimitiveOperation(Drawable::PrimitiveFunctor& functor);
};
// backwards compatibility with first incarnation of DrawElements nameing convention.
typedef DrawElementsUByte UByteDrawElements;
typedef DrawElementsUShort UShortDrawElements;
typedef DrawElementsUInt UIntDrawElements;
}
#endif