VtArray<GfVec3d>
Hd_VertexAdjacency::ComputeSmoothNormals(int numPoints,
GfVec3d const * pointsPtr) const
{
return _ComputeSmoothNormals(
numPoints, pointsPtr, _adjacencyTable, _numPoints);
}
void
OsdMeshWrapper::UpdatePoints(int level, jfloat *points)
{
std::vector<float> normals;
_ComputeSmoothNormals(_nverts, _verts,
_numPoints, _numFloatsPerPoint, points,
&normals);
std::vector<float> interleaved;
for (int i=0; i<_numPoints; ++i) {
for (int j=0; j<_numFloatsPerPoint; ++j) {
interleaved.push_back(points[i*_numFloatsPerPoint + j]);
}
interleaved.push_back(normals[i*3 + 0]);
interleaved.push_back(normals[i*3 + 1]);
interleaved.push_back(normals[i*3 + 2]);
}
_osdMesh->UpdateVertexBuffer(interleaved.data(), _numPoints);
_osdMesh->Refine();
_trianglesIndexBuffer = _osdMesh->GetDrawContext()->patchTrianglesIndexBuffer;
_trianglesIndexCount = (_osdMesh->GetDrawContext()->patchArrays[0].numIndices/4)*6;
}
/* static */
VtArray<GfVec3d>
Hd_SmoothNormals::ComputeSmoothNormals(
Hd_VertexAdjacency const * adjacency,
int numPoints,
GfVec3d const * pointsPtr)
{
return _ComputeSmoothNormals(numPoints, pointsPtr,
adjacency->GetAdjacencyTable(), adjacency->GetNumPoints());
}
