FGFS-4.1/OpenSceneGraph
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Updated Stats code, sent in by Geof Michel.

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This commit is contained in:
Robert Osfield
2002-02-11 00:40:37 +00:00
parent c3b5d11c43
commit 0aab3a38b0
3 changed files with 23 additions and 39 deletions
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49
src/osg/GeoSet.cpp
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@@ -1,5 +1,5 @@
#if defined(_MSC_VER)
#pragma warning( disable : 4786 )
#pragma warning( disable : 4786 )
#endif
#include <math.h>
@@ -875,8 +875,9 @@ Drawable::AttributeBitMask GeoSet::applyAttributeOperation(AttributeFunctor& auf
bool GeoSet::getStats(Statistics &stat)
{ // analyse the drawable GeoSet
const int np=getNumPrims(); // number of primitives in this geoset
stat.nprims += np;
stat.addNumPrims(np);
const int type=getPrimType();
int nprimlens=0, numprimtypes=0, primverts=0;
switch (type) {
case osg::GeoSet::POINTS:
case osg::GeoSet::LINES:
@@ -889,26 +890,16 @@ bool GeoSet::getStats(Statistics &stat)
case osg::GeoSet::FLAT_TRIANGLE_FAN:
case osg::GeoSet::QUAD_STRIP:
case osg::GeoSet::POLYGON:
stat.primtypes[type]++;
stat.primtypes[0]++;
break;
case osg::GeoSet::TRIANGLES: // should not have any lengths for tris & quads
stat.primtypes[type]++;
stat.primtypes[0]++;
stat.primlens[0]+=np;
stat.primlens[type]+=np;
stat.numprimtypes[type]+=np;
stat.primverts[type]+=3*np;
stat.primverts[0]+=3*np;
nprimlens=np;
numprimtypes=np;
primverts=3*np;
break;
case osg::GeoSet::QUADS:
stat.primtypes[type]++;
stat.primtypes[0]++;
stat.primlens[0]+=np*2;
stat.primlens[type]+=np*2; // quad is equiv to 2 triangles
stat.numprimtypes[type]+=np;
stat.primverts[type]+=4*np;
stat.primverts[0]+=4*np;
nprimlens=np*2;
primverts=4*np;
numprimtypes=np;
break;
case osg::GeoSet::NO_TYPE:
default:
@@ -916,7 +907,7 @@ bool GeoSet::getStats(Statistics &stat)
}
// now count the lengths, ie efficiency of triangulation
const int *lens=getPrimLengths(); // primitive lengths
if (lens) {
if (lens) { // then count for each length
for (int i=0; i<np; i++) {
switch (type) {
case osg::GeoSet::POINTS:
@@ -927,16 +918,14 @@ bool GeoSet::getStats(Statistics &stat)
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:
stat.primlens[0]+=lens[i];
stat.primlens[type]+=lens[i];
nprimlens+=lens[i];
break;
case osg::GeoSet::POLYGON: // moved Nov 2001 to count triangles cf lengths
case osg::GeoSet::TRIANGLE_STRIP:
case osg::GeoSet::FLAT_TRIANGLE_STRIP:
case osg::GeoSet::TRIANGLE_FAN:
case osg::GeoSet::FLAT_TRIANGLE_FAN:
stat.primlens[0]+=lens[i]-2;
stat.primlens[type]+=lens[i]-2; // tri strips & fans create lens[i]-2 triangles
nprimlens+=lens[i]-2; // tri strips & fans create lens[i]-2 triangles
break;
case osg::GeoSet::NO_TYPE:
default:
@@ -956,10 +945,8 @@ bool GeoSet::getStats(Statistics &stat)
case osg::GeoSet::FLAT_TRIANGLE_FAN:
case osg::GeoSet::QUAD_STRIP:
case osg::GeoSet::POLYGON:
stat.numprimtypes[0]++;
stat.numprimtypes[type]++;
stat.primverts[type]+=lens[i];
stat.primverts[0]+=lens[i];
numprimtypes++;
primverts+=lens[i];
break;
case osg::GeoSet::NO_TYPE:
default:
@@ -969,11 +956,11 @@ bool GeoSet::getStats(Statistics &stat)
} else { // no lengths - num prims is the length of a point set
switch (type) {
case osg::GeoSet::POINTS:
stat.numprimtypes[0]++;
stat.numprimtypes[type]++;
stat.primverts[type]+=np;
numprimtypes++;
primverts+=np;
break;
}
}
stat.addNumPrims(type, nprimlens, numprimtypes, primverts);
return true;
}