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csg - visualization with vertex arrays

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This commit is contained in:
Joachim Schoeberl 2012-06-07 18:49:20 +00:00
parent 854b54aa1c
commit cb06d775a5
1 changed files with 16 additions and 8 deletions
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22
libsrc/csg/vscsg.cpp
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@ -169,28 +169,36 @@ namespace netgen
{ {
trilists.Append (glGenLists (1)); trilists.Append (glGenLists (1));
glNewList (trilists.Last(), GL_COMPILE); glNewList (trilists.Last(), GL_COMPILE);
glEnable (GL_NORMALIZE); glEnable (GL_NORMALIZE);
const TriangleApproximation & ta = const TriangleApproximation & ta =
*geometry->GetTriApprox(i); *geometry->GetTriApprox(i);
if (&ta) if (&ta)
{ {
glBegin (GL_TRIANGLES); glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_DOUBLE, 0, &ta.GetPoint(0)(0));
glEnableClientState(GL_NORMAL_ARRAY);
glNormalPointer(GL_DOUBLE, 0, &ta.GetNormal(0)(0));
for (int j = 0; j < ta.GetNT(); j++)
glDrawElements(GL_TRIANGLES, 3, GL_UNSIGNED_INT, & (ta.GetTriangle(j)[0]));
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
/*
for (int j = 0; j < ta.GetNT(); j++) for (int j = 0; j < ta.GetNT(); j++)
{ {
glBegin (GL_TRIANGLES);
for (int k = 0; k < 3; k++) for (int k = 0; k < 3; k++)
{ {
int pi = ta.GetTriangle(j)[k]; int pi = ta.GetTriangle(j)[k];
glNormal3dv (ta.GetNormal(pi)); glNormal3dv (ta.GetNormal(pi));
glVertex3dv (ta.GetPoint(pi)); glVertex3dv (ta.GetPoint(pi));
} }
if (j % 1000 == 9999) // got crashes on NVIDA
{
glEnd (); glEnd ();
glBegin (GL_TRIANGLES);
} }
} */
glEnd ();
} }
glEndList (); glEndList ();
} }