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Added a osg::DegreesToRadians() and osg::RadiansToDegrees() method to osg/Math,

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updated the ReaderWriterBMP.cpp (mods sent in my Geoff Michel) and
moved the osgUtil::Statistics to osg::Statistics in preperation to adding it
to the the Drawable base class.
This commit is contained in:
Robert Osfield
2001-10-06 20:29:42 +00:00
parent c56a1b8c31
commit 3da57d6d22
10 changed files with 55 additions and 39 deletions
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145
include/osgUtil/Statistics
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@@ -1,145 +0,0 @@
//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 OSGUTIL_STATISTICS
#define OSGUTIL_STATISTICS 1
#include <osg/GeoSet>
namespace osgUtil {
/**
* Statistics base class. Used to extract primitive information from
* the renderBin(s).
*/
class OSGUTIL_EXPORT Statistics : public osg::Object
{
public:
Statistics() {
numOpaque=0, nummat=0;
nprims=0, nlights=0; nbins=0;
reset();
};
~Statistics() {}; // no dynamic allocations, so no need to free
void reset() {
for (int i=0; i<20; i++) primverts[i]=numprimtypes[i]=primlens[i]=primtypes[i]=0;
}
virtual osg::Object* clone() const { return new Statistics(); }
virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const Statistics*>(obj)!=0L; }
virtual const char* className() const { return "Statistics"; }
void addstat(osg::GeoSet *gs) { // analyse the drawable GeoSet
const int np=gs->getNumPrims(); // number of primitives in this geoset
nprims += np;
const int type=gs->getPrimType();
switch (type) {
case osg::GeoSet::POINTS:
case osg::GeoSet::LINES:
case osg::GeoSet::LINE_STRIP:
case osg::GeoSet::FLAT_LINE_STRIP:
case osg::GeoSet::LINE_LOOP:
case osg::GeoSet::TRIANGLE_STRIP:
case osg::GeoSet::FLAT_TRIANGLE_STRIP:
case osg::GeoSet::TRIANGLE_FAN:
case osg::GeoSet::FLAT_TRIANGLE_FAN:
case osg::GeoSet::QUAD_STRIP:
case osg::GeoSet::POLYGON:
primtypes[type]++;
primtypes[0]++;
break;
case osg::GeoSet::TRIANGLES: // should not have any lengths for tris & quads
primtypes[type]++;
primtypes[0]++;
primlens[0]+=np;
primlens[type]+=np;
numprimtypes[type]+=np;
primverts[type]+=3*np;
primverts[0]+=3*np;
break;
case osg::GeoSet::QUADS:
primtypes[type]++;
primtypes[0]++;
primlens[0]+=np*2;
primlens[type]+=np*2; // quad is equiv to 2 triangles
numprimtypes[type]+=np;
primverts[type]+=4*np;
primverts[0]+=4*np;
break;
case osg::GeoSet::NO_TYPE:
default:
break;
}
// now count the lengths, ie efficiency of triangulation
const int *lens=gs->getPrimLengths(); // primitive lengths
for (int i=0; i<np && lens; i++) {
switch (type) {
case osg::GeoSet::POINTS:
case osg::GeoSet::LINES:
case osg::GeoSet::LINE_STRIP:
case osg::GeoSet::FLAT_LINE_STRIP:
case osg::GeoSet::LINE_LOOP:
case osg::GeoSet::TRIANGLES: // should not have any lengths for tris & quads
case osg::GeoSet::QUADS:
case osg::GeoSet::QUAD_STRIP:
case osg::GeoSet::POLYGON:
primlens[0]+=lens[i];
primlens[type]+=lens[i];
break;
case osg::GeoSet::TRIANGLE_STRIP:
case osg::GeoSet::FLAT_TRIANGLE_STRIP:
case osg::GeoSet::TRIANGLE_FAN:
case osg::GeoSet::FLAT_TRIANGLE_FAN:
primlens[0]+=lens[i]-2;
primlens[type]+=lens[i]-2; // tri strips & fans create lens[i]-2 triangles
break;
case osg::GeoSet::NO_TYPE:
default:
break;
}
switch (type) {
case osg::GeoSet::POINTS:
case osg::GeoSet::LINES:
case osg::GeoSet::LINE_STRIP:
case osg::GeoSet::FLAT_LINE_STRIP:
case osg::GeoSet::LINE_LOOP:
case osg::GeoSet::TRIANGLES:
case osg::GeoSet::QUADS:
case osg::GeoSet::TRIANGLE_STRIP:
case osg::GeoSet::FLAT_TRIANGLE_STRIP:
case osg::GeoSet::TRIANGLE_FAN:
case osg::GeoSet::FLAT_TRIANGLE_FAN:
case osg::GeoSet::QUAD_STRIP:
case osg::GeoSet::POLYGON:
numprimtypes[0]++;
numprimtypes[type]++;
primverts[type]+=lens[i];
primverts[0]+=lens[i];
break;
case osg::GeoSet::NO_TYPE:
default:
break;
}
}
}
public:
int numOpaque, nummat, nbins;
int nprims, nlights;
int numprimtypes[20]; // histogram of number of each type of prim
int primtypes[20]; // histogram of number of each type of prim
int primlens[20]; // histogram of lengths of each type of prim
int primverts[20]; // histogram of number of vertices to be transformed
protected:
};
};
#endif