static void SpliceMergeVertices( TESStesselator *tess, TESShalfEdge *e1,
TESShalfEdge *e2 )
/*
* Two vertices with idential coordinates are combined into one.
* e1->Org is kept, while e2->Org is discarded.
*/
{
TESSreal weights[4] = { 0.5, 0.5, 0.0, 0.0 };
CallCombine( tess, e1->Org, weights, FALSE );
if ( !tessMeshSplice( tess->mesh, e1, e2 ) ) longjmp(tess->env,1);
}
static void SpliceMergeVertices( GLUtesselator *tess, GLUhalfEdge *e1,
GLUhalfEdge *e2 )
/*
* Two vertices with idential coordinates are combined into one.
* e1->Org is kept, while e2->Org is discarded.
*/
{
void *data[4] = { NULL, NULL, NULL, NULL };
GLfloat weights[4] = { 0.5, 0.5, 0.0, 0.0 };
data[0] = e1->Org->data;
data[1] = e2->Org->data;
CallCombine( tess, e1->Org, data, weights, FALSE );
if ( !__gl_meshSplice( e1, e2 ) ) longjmp(tess->env,1);
}
static void GetIntersectData( TESStesselator *tess, TESSvertex *isect,
TESSvertex *orgUp, TESSvertex *dstUp,
TESSvertex *orgLo, TESSvertex *dstLo )
/*
* We've computed a new intersection point, now we need a "data" pointer
* from the user so that we can refer to this new vertex in the
* rendering callbacks.
*/
{
TESSreal weights[4];
isect->coords[0] = isect->coords[1] = isect->coords[2] = 0;
VertexWeights( isect, orgUp, dstUp, &weights[0] );
VertexWeights( isect, orgLo, dstLo, &weights[2] );
CallCombine( tess, isect, weights, TRUE );
}
static void GetIntersectData( GLUtesselator *tess, GLUvertex *isect,
GLUvertex *orgUp, GLUvertex *dstUp,
GLUvertex *orgLo, GLUvertex *dstLo )
/*
* We've computed a new intersection point, now we need a "data" pointer
* from the user so that we can refer to this new vertex in the
* rendering callbacks.
*/
{
void *data[4];
GLfloat weights[4];
data[0] = orgUp->data;
data[1] = dstUp->data;
data[2] = orgLo->data;
data[3] = dstLo->data;
isect->coords[0] = isect->coords[1] = isect->coords[2] = 0;
VertexWeights( isect, orgUp, dstUp, &weights[0] );
VertexWeights( isect, orgLo, dstLo, &weights[2] );
CallCombine( tess, isect, data, weights, TRUE );
}