/// <summary>
/// This is an expensive operation due to EditMesh construction, avoid.
/// </summary>
/// <param name="mesh"></param>
public NormalVectorGenerator(Mesh mesh)
{
Debug.Assert(!mesh.PrimitiveType.HasFlag(PrimitiveType.Polygon));
_mesh = mesh;
lock (_mesh)
{
_editMesh = new EditMesh(_mesh);
}
lock (ThreadPoolMutex)
{
if (_threadPool != null)
return;
int cpuCount = Environment.ProcessorCount;
// One thread is busy rendering, so many extra threads that do not block on IO
// (which our computation-heavy jobs don't) easily starve the GUI. Thus,
// always reserve 25% and at least one core.
int jobCount = Math.Max(1, (cpuCount * 3) / 4);
_threadPool = new SmartThreadPool(1000, jobCount, jobCount);
}
}
/// <summary>
/// This is an expensive operation due to EditMesh construction, avoid.
/// </summary>
/// <param name="mesh"></param>
public NormalVectorGenerator(Mesh mesh)
{
Debug.Assert(!mesh.PrimitiveType.HasFlag(PrimitiveType.Polygon));
_mesh = mesh;
lock (_mesh)
{
_editMesh = new EditMesh(_mesh);
}
lock (ThreadPoolMutex)
{
if (_threadPool != null)
{
return;
}
int cpuCount = Environment.ProcessorCount;
// One thread is busy rendering, so many extra threads that do not block on IO
// (which our computation-heavy jobs don't) easily starve the GUI. Thus,
// always reserve 25% and at least one core.
int jobCount = Math.Max(1, (cpuCount * 3) / 4);
_threadPool = new SmartThreadPool(1000, jobCount, jobCount);
}
}
