public void cullRenderablesPerCamera(List <Renderable> renderables, List <View> activeViews)
{
//generate lists for each active camera
initializeCamaraVisibleLists(activeViews);
#if false
foreach (KeyValuePair <Camera, ConcurrentBag <Renderable> > cameraList in myCameraVisibles)
{
//breakup into several tasks
var degreeOfParallelism = Environment.ProcessorCount;
var tasks = new Task[degreeOfParallelism];
for (int taskNumber = 0; taskNumber < degreeOfParallelism; taskNumber++)
{
// capturing taskNumber in lambda wouldn't work correctly
int taskNumberCopy = taskNumber;
tasks[taskNumber] = Task.Factory.StartNew(
() =>
{
for (int i = renderables.Count * taskNumberCopy / degreeOfParallelism;
i < renderables.Count * (taskNumberCopy + 1) / degreeOfParallelism;
i++)
{
Renderable r = renderables[i];
if (r.isVisible(cameraList.Key) == true)
{
cameraList.Value.Add(r);
}
}
});
}
Task.WaitAll(tasks);
}
#endif
#if false
foreach (KeyValuePair <Camera, ConcurrentBag <Renderable> > cameraList in myCameraVisibles)
{
Parallel.ForEach(renderables, (r) =>
{
if (r.isVisible(cameraList.Key) == true)
{
cameraList.Value.Add(r);
}
});
}
#endif
#if true
foreach (KeyValuePair <Camera, List <Renderable> > cameraList in myCameraVisibles)
{
foreach (Renderable r in renderables)
{
if (r.isVisible(cameraList.Key) == true)
{
cameraList.Value.Add(r);
}
}
}
#endif
}
public void cullRenderablesPerCamera(List <Renderable> renderables, List <View> activeViews)
{
//generate lists for each active camera
initializeCamaraVisibleLists(activeViews);
#if false
foreach (KeyValuePair <Camera, List <Renderable> > cameraList in myCameraVisibles)
{
//breakup into several tasks
var degreeOfParallelism = Environment.ProcessorCount;
var tasks = new Task <List <Renderable> > [degreeOfParallelism];
int taskRenderablesCount = renderables.Count / degreeOfParallelism;
for (int taskNumber = 0; taskNumber < degreeOfParallelism; taskNumber++)
{
//get the task number as a local up-value (closure)
int taskNumberCopy = taskNumber;
tasks[taskNumber] = Task.Factory.StartNew(
() =>
{
List <Renderable> ret = new List <Renderable>();
for (int i = 0; i < taskRenderablesCount; i++)
{
int rIdx = i + (taskRenderablesCount * taskNumberCopy);
if (rIdx < renderables.Count)
{
Renderable r = renderables[rIdx];
if (r.isVisible(cameraList.Key) == true)
{
ret.Add(r);
//cameraList.Value.Add(r);
}
}
}
return(ret);
});
}
Task.WaitAll(tasks);
foreach (var t in tasks)
{
cameraList.Value.AddRange(t.Result);
}
}
#endif
#if false
foreach (KeyValuePair <Camera, ConcurrentBag <Renderable> > cameraList in myCameraVisibles)
{
Parallel.ForEach(renderables, (r) =>
{
if (r.isVisible(cameraList.Key) == true)
{
cameraList.Value.Add(r);
}
});
}
#endif
#if true
foreach (KeyValuePair <Camera, List <Renderable> > cameraList in myCameraVisibles)
{
foreach (Renderable r in renderables)
{
if (r.isVisible(cameraList.Key) == true)
{
cameraList.Value.Add(r);
}
}
}
#endif
}