void nv::adjustSeamTexCoords(HalfEdge::Mesh * mesh, int width, int height, float offset)
{
	// Quantize seam texture coordinates.
	const uint vertexCount = mesh->vertexCount();
	for(uint v = 0; v < vertexCount; v++)
	{
		HalfEdge::Vertex * vertex =  mesh->vertexAt(v);
	
		const uint colocalCount = vertex->colocalCount();
		if (colocalCount > 1)
		{
			vertex->setTex(roundToTexelCenter(vertex->tex(), width, height, offset));
		}
	}
}