Rewrote the osg::Drawable::AttributeFunctor and PrimtiveFunctor to make

them more consistent with each other. This does mean an API change, so
dependanct code in the OSG has been updated accordingly.
This commit is contained in:
Robert Osfield
2002-07-18 15:36:14 +00:00
parent 1d9dd54d11
commit ff8b4c001d
16 changed files with 146 additions and 158 deletions

View File

@@ -52,7 +52,7 @@ void printTriangles(const std::string& name, osg::Drawable& drawable)
std::cout<<name<<std::endl;
osg::TriangleFunctor<NormalPrint> tf;
drawable.applyPrimitiveOperation(tf);
drawable.accept(tf);
std::cout<<std::endl;
}

View File

@@ -210,7 +210,6 @@ class MyGeometryCallback :
MyGeometryCallback(const osg::Vec3& o,
const osg::Vec3& x,const osg::Vec3& y,const osg::Vec3& z,
double period,double xphase,double amplitude):
osg::Drawable::AttributeFunctor(osg::Drawable::COORDS),
_firstCall(true),
_startTime(0.0),
_time(0.0),
@@ -234,7 +233,7 @@ class MyGeometryCallback :
_time = referenceTime-_startTime;
drawable->applyAttributeOperation(*this);
drawable->accept(*this);
drawable->dirtyBound();
osg::Geometry* geometry = dynamic_cast<osg::Geometry*>(drawable);
@@ -245,13 +244,14 @@ class MyGeometryCallback :
}
virtual bool apply(osg::Drawable::AttributeBitMask abm,osg::Vec3* begin,osg::Vec3* end)
virtual void apply(osg::Drawable::AttributeType type,unsigned int count,osg::Vec3* begin)
{
if (abm == osg::Drawable::COORDS)
if (type == osg::Drawable::VERTICES)
{
const float TwoPI=2.0f*osg::PI;
const float phase = -_time/_period;
osg::Vec3* end = begin+count;
for (osg::Vec3* itr=begin;itr<end;++itr)
{
osg::Vec3 dv(*itr-_origin);
@@ -265,10 +265,7 @@ class MyGeometryCallback :
_yAxis*local.y()+
_zAxis*local.z();
}
return true;
}
return false;
}
bool _firstCall;

View File

@@ -849,91 +849,79 @@ void GeoSet::setInterleavedArray( const InterleaveArrayType format, float *ia, I
set_fast_path();
}
Drawable::AttributeBitMask GeoSet::suppportsAttributeOperation() const
{
// we do support coords,normals,texcoords and colors so return true.
return COORDS | NORMALS | COLORS | TEXTURE_COORDS;
}
Drawable::AttributeBitMask GeoSet::applyAttributeOperation(AttributeFunctor& auf)
void GeoSet::accept(AttributeFunctor& auf)
{
if (_numcoords == 0) computeNumVerts();
AttributeBitMask amb = auf.getAttributeBitMask();
AttributeBitMask ramb = 0;
if ((amb & COORDS) && _coords && _numcoords)
if (_coords && _numcoords)
{
if (auf.apply(COORDS,_coords,_coords+_numcoords)) ramb = COORDS;
auf.apply(VERTICES,_numcoords,_coords);
}
if ((amb & NORMALS) && _normals && _numnormals)
if (_normals && _numnormals)
{
if (auf.apply(NORMALS,_normals,_normals+_numnormals)) ramb = NORMALS;
auf.apply(NORMALS,_numnormals,_normals);
}
if ((amb & COLORS) && _colors && _numcolors)
if (_colors && _numcolors)
{
if (auf.apply(COLORS,_colors,_colors+_numcolors)) ramb = COLORS;
auf.apply(COLORS,_numcolors,_colors);
}
if ((amb & TEXTURE_COORDS) && _tcoords && _numtcoords)
if (_tcoords && _numtcoords)
{
if (auf.apply(TEXTURE_COORDS,_tcoords,_tcoords+_numtcoords)) ramb = TEXTURE_COORDS;
auf.apply(TEXTURE_COORDS_0,_numtcoords,_tcoords);
}
return ramb;
}
void GeoSet::applyPrimitiveOperation(PrimitiveFunctor& functor)
void GeoSet::accept(PrimitiveFunctor& functor)
{
// will easily convert into a Geometry.
if (!_coords || !_numcoords) return;
functor.setVertexArray(_numcoords,_coords);
if( _needprimlen )
// will easily convert into a Geometry.
if (!_coords || !_numcoords) return;
functor.setVertexArray(_numcoords,_coords);
if( _needprimlen )
{
// LINE_STRIP, LINE_LOOP, TRIANGLE_STRIP,
// TRIANGLE_FAN, QUAD_STRIP, POLYGONS
int index = 0;
if( _primLengths == (int *)0 )
{
// LINE_STRIP, LINE_LOOP, TRIANGLE_STRIP,
// TRIANGLE_FAN, QUAD_STRIP, POLYGONS
int index = 0;
if( _primLengths == (int *)0 )
{
return;
}
for( int i = 0; i < _numprims; i++ )
{
if( _cindex.valid() )
{
if (_cindex._is_ushort)
functor.drawElements( (GLenum)_oglprimtype, _primLengths[i],&_cindex._ptr._ushort[index] );
else
functor.drawElements( (GLenum)_oglprimtype, _primLengths[i],&_cindex._ptr._uint[index] );
}
else
functor.drawArrays( (GLenum)_oglprimtype, index, _primLengths[i] );
index += _primLengths[i];
}
return;
}
else // POINTS, LINES, TRIANGLES, QUADS
for( int i = 0; i < _numprims; i++ )
{
if( _cindex.valid())
if( _cindex.valid() )
{
if (_cindex._is_ushort)
functor.drawElements( (GLenum)_oglprimtype, _cindex._size, _cindex._ptr._ushort );
functor.drawElements( (GLenum)_oglprimtype, _primLengths[i],&_cindex._ptr._ushort[index] );
else
functor.drawElements( (GLenum)_oglprimtype, _cindex._size, _cindex._ptr._uint );
functor.drawElements( (GLenum)_oglprimtype, _primLengths[i],&_cindex._ptr._uint[index] );
}
else
functor.drawArrays( (GLenum)_oglprimtype, 0, _numcoords );
functor.drawArrays( (GLenum)_oglprimtype, index, _primLengths[i] );
index += _primLengths[i];
}
}
else // POINTS, LINES, TRIANGLES, QUADS
{
if( _cindex.valid())
{
if (_cindex._is_ushort)
functor.drawElements( (GLenum)_oglprimtype, _cindex._size, _cindex._ptr._ushort );
else
functor.drawElements( (GLenum)_oglprimtype, _cindex._size, _cindex._ptr._uint );
}
else
functor.drawArrays( (GLenum)_oglprimtype, 0, _numcoords );
}
}

View File

@@ -192,35 +192,22 @@ void Geometry::drawImmediateMode(State& state)
}
Drawable::AttributeBitMask Geometry::suppportsAttributeOperation() const
{
// we do support coords,normals,texcoords and colors so return true.
return COORDS | NORMALS | COLORS | TEXTURE_COORDS;
}
/** return the attributes successully applied in applyAttributeUpdate.*/
Drawable::AttributeBitMask Geometry::applyAttributeOperation(AttributeFunctor& auf)
void Geometry::accept(AttributeFunctor& af)
{
AttributeBitMask amb = auf.getAttributeBitMask();
AttributeBitMask ramb = 0;
if ((amb & COORDS) && _vertexArray.valid() && !_vertexArray->empty())
if (_vertexArray.valid() && !_vertexArray->empty())
{
if (auf.apply(COORDS,&(*(_vertexArray->begin())),&(*(_vertexArray->end())))) ramb = COORDS;
af.apply(VERTICES,_vertexArray->size(),&(_vertexArray->front()));
}
if ((amb & NORMALS) && _normalArray.valid() && !_normalArray->empty())
if (_normalArray.valid() && !_normalArray->empty())
{
if (auf.apply(NORMALS,&(*(_normalArray->begin())),&(*(_normalArray->end())))) ramb = NORMALS;
af.apply(NORMALS,_normalArray->size(),&(_normalArray->front()));
}
// colors and texture coords to implement...
return ramb;
// need to add other attriubtes
}
void Geometry::applyPrimitiveOperation(PrimitiveFunctor& functor)
void Geometry::accept(PrimitiveFunctor& functor)
{
if (!_vertexArray.valid() || _vertexArray->empty()) return;
@@ -230,7 +217,7 @@ void Geometry::applyPrimitiveOperation(PrimitiveFunctor& functor)
itr!=_primitives.end();
++itr)
{
(*itr)->applyPrimitiveOperation(functor);
(*itr)->accept(functor);
}
}

View File

@@ -115,6 +115,20 @@ void ImpostorSprite::setTexture(Texture* tex,int s,int t)
}
void ImpostorSprite::accept(AttributeFunctor& af)
{
af.apply(VERTICES,4,_coords);
af.apply(TEXTURE_COORDS_0,4,_texcoords);
}
void ImpostorSprite::accept(PrimitiveFunctor& functor)
{
functor.setVertexArray(4,_coords);
functor.drawArrays( GL_QUADS, 0, 4);
}
///////////////////////////////////////////////////////////////////////////
// Helper class for managing the reuse of ImpostorSprite resources.
///////////////////////////////////////////////////////////////////////////
@@ -267,3 +281,4 @@ ImpostorSprite* ImpostorSpriteManager::createOrReuseImpostorSprite(int s,int t,i
return is;
}

View File

@@ -7,7 +7,7 @@ void DrawArrays::draw() const
glDrawArrays(_mode,_first,_count);
}
void DrawArrays::applyPrimitiveOperation(Drawable::PrimitiveFunctor& functor)
void DrawArrays::accept(Drawable::PrimitiveFunctor& functor)
{
functor.drawArrays(_mode,_first,_count);
}
@@ -24,7 +24,7 @@ void DrawArrayLengths::draw() const
}
}
void DrawArrayLengths::applyPrimitiveOperation(Drawable::PrimitiveFunctor& functor)
void DrawArrayLengths::accept(Drawable::PrimitiveFunctor& functor)
{
GLint first = _first;
for(VectorSizei::iterator itr=begin();
@@ -43,7 +43,7 @@ void DrawElementsUByte::draw() const
glDrawElements(_mode,size(),GL_UNSIGNED_BYTE,&front());
}
void DrawElementsUByte::applyPrimitiveOperation(Drawable::PrimitiveFunctor& functor)
void DrawElementsUByte::accept(Drawable::PrimitiveFunctor& functor)
{
if (!empty()) functor.drawElements(_mode,size(),&front());
}
@@ -64,7 +64,7 @@ void DrawElementsUShort::draw() const
glDrawElements(_mode,size(),GL_UNSIGNED_SHORT,&front());
}
void DrawElementsUShort::applyPrimitiveOperation(Drawable::PrimitiveFunctor& functor)
void DrawElementsUShort::accept(Drawable::PrimitiveFunctor& functor)
{
if (!empty()) functor.drawElements(_mode,size(),&front());
}
@@ -85,7 +85,7 @@ void DrawElementsUInt::draw() const
glDrawElements(_mode,size(),GL_UNSIGNED_INT,&front());
}
void DrawElementsUInt::applyPrimitiveOperation(Drawable::PrimitiveFunctor& functor)
void DrawElementsUInt::accept(Drawable::PrimitiveFunctor& functor)
{
if (!empty()) functor.drawElements(_mode,size(),&front());
}

View File

@@ -449,7 +449,7 @@ bool IntersectVisitor::intersect(Drawable& drawable)
TriangleFunctor<TriangleIntersect> ti;
ti.set(*sitr->second);
drawable.applyPrimitiveOperation(ti);
drawable.accept(ti);
if (ti._hit)
{

View File

@@ -99,8 +99,7 @@ class TransformFunctor : public osg::Drawable::AttributeFunctor
osg::Matrix _m;
osg::Matrix _im;
TransformFunctor(const osg::Matrix& m):
osg::Drawable::AttributeFunctor(osg::Drawable::COORDS|osg::Drawable::NORMALS)
TransformFunctor(const osg::Matrix& m)
{
_m = m;
_im.invert(_m);
@@ -108,28 +107,26 @@ class TransformFunctor : public osg::Drawable::AttributeFunctor
virtual ~TransformFunctor() {}
virtual bool apply(osg::Drawable::AttributeBitMask abm,osg::Vec3* begin,osg::Vec3* end)
virtual void apply(osg::Drawable::AttributeType type,unsigned int count,osg::Vec3* begin)
{
if (abm == osg::Drawable::COORDS)
if (type == osg::Drawable::VERTICES)
{
osg::Vec3* end = begin+count;
for (osg::Vec3* itr=begin;itr<end;++itr)
{
(*itr) = (*itr)*_m;
}
return true;
}
else if (abm == osg::Drawable::NORMALS)
else if (type == osg::Drawable::NORMALS)
{
osg::Vec3* end = begin+count;
for (osg::Vec3* itr=begin;itr<end;++itr)
{
// note post mult by inverse for normals.
(*itr) = osg::Matrix::transform3x3(_im,(*itr));
(*itr).normalize();
}
return true;
}
return false;
}
};
@@ -455,7 +452,7 @@ void Optimizer::FlattenStaticTransformsVisitor::doTransform(osg::Object* obj,osg
if (drawable)
{
TransformFunctor tf(matrix);
drawable->applyAttributeOperation(tf);
drawable->accept(tf);
drawable->dirtyBound();
return;
}
@@ -498,7 +495,7 @@ void Optimizer::FlattenStaticTransformsVisitor::doTransform(osg::Object* obj,osg
for(unsigned int i=0;i<billboard->getNumDrawables();++i)
{
billboard->setPos(i,billboard->getPos(i)*matrix);
billboard->getDrawable(i)->applyAttributeOperation(tf);
billboard->getDrawable(i)->accept(tf);
}
billboard->dirtyBound();
@@ -717,7 +714,7 @@ void Optimizer::RemoveLowestStaticTransformsVisitor::doTransform(osg::Object* ob
if (drawable)
{
TransformFunctor tf(matrix);
drawable->applyAttributeOperation(tf);
drawable->accept(tf);
drawable->dirtyBound();
return;
}
@@ -760,7 +757,7 @@ void Optimizer::RemoveLowestStaticTransformsVisitor::doTransform(osg::Object* ob
for(unsigned int i=0;i<billboard->getNumDrawables();++i)
{
billboard->setPos(i,billboard->getPos(i)*matrix);
billboard->getDrawable(i)->applyAttributeOperation(tf);
billboard->getDrawable(i)->accept(tf);
}
billboard->dirtyBound();

View File

@@ -191,7 +191,7 @@ bool RenderBin::getStats(osg::Statistics* primStats)
if (dw)
{
// then tot up the primtive types and no vertices.
dw->applyPrimitiveOperation(*primStats); // use sub-class to find the stats for each drawable
dw->accept(*primStats); // use sub-class to find the stats for each drawable
}
}
somestats=true;

View File

@@ -111,7 +111,7 @@ void SmoothingVisitor::smooth(osg::Geometry& geom)
TriangleFunctor<SmoothTriangleFunctor> stf;
stf.set(&(coords->front()),coords->size(),&(normals->front()));
geom.applyPrimitiveOperation(stf);
geom.accept(stf);
for(nitr= normals->begin();
nitr!=normals->end();

View File

@@ -82,7 +82,7 @@ void TriStripVisitor::stripify(Geometry& geom)
case(Primitive::QUADS):
case(Primitive::QUAD_STRIP):
case(Primitive::POLYGON):
(*itr)->applyPrimitiveOperation(taf);
(*itr)->accept(taf);
break;
default:
new_primitives.push_back(*itr);