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EgtGraphics 1.6v8 :

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- migliorata velocità di visualizzazione oggetti con triangoli su nuova e vecchia grafica.
This commit is contained in:
Dario Sassi
2016-10-31 09:17:51 +00:00
parent cde25533e7
commit 527f077461
5 changed files with 39 additions and 19 deletions
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ObjNewGraphics.cpp
+18 -9
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@@ -241,19 +241,28 @@ ObjNewGraphics::AddTriangle( const Triangle3d& Tria, const TriFlags3d& TFlags, c
return false ;
// recupero il conteggio dei vertici
int nCount = m_ngaList.back().m_nCount ;
// emetto i flag, le normali e i vertici del triangolo + aggiorno bbox
// emetto i vertici, le normali e i flag del triangolo
#pragma pack( push, 1)
struct VnfBuf {
Vert3f v3V ;
Vert3f v3N ;
unsigned char cFlag ;
} ;
#pragma pack( pop)
VnfBuf Buffer[3] ;
for ( int i = 0 ; i < 3 ; ++ i) {
Vert3f v3V( Tria.GetP( i)) ;
glBufferSubData( GL_ARRAY_BUFFER, nCount * SIZEVNF, SIZEV3F, &v3V) ;
m_b3Loc.Add( Tria.GetP( i)) ;
Vert3f v3N( TNrms.vtN[i]) ;
glBufferSubData( GL_ARRAY_BUFFER, nCount * SIZEVNF + SIZEV3F, SIZEV3F, &v3N) ;
unsigned char cFlag = ( TFlags.bFlag[i] ? 1 : 0) ;
glBufferSubData( GL_ARRAY_BUFFER, nCount * SIZEVNF + 2 * SIZEV3F, SIZEFLAG, &cFlag) ;
++ nCount ;
Buffer[i].v3V = Tria.GetP( i) ;
Buffer[i].v3N = TNrms.vtN[i] ;
Buffer[i].cFlag = ( TFlags.bFlag[i] ? 1 : 0) ;
}
glBufferSubData( GL_ARRAY_BUFFER, nCount * SIZEVNF, 3 * SIZEVNF, Buffer) ;
// aggiorno il conteggio
nCount += 3 ;
m_ngaList.back().m_nCount = nCount ;
// aggiorno bbox
for ( int i = 0 ; i < 3 ; ++ i)
m_b3Loc.Add( Tria.GetP( i)) ;
return true ;
}