protected override void Execute(Threading.ThreadPool owner)
{
try
{
foreach (string file in System.IO.Directory.GetFiles(_Directory, "*", System.IO.SearchOption.TopDirectoryOnly))
{
try
{
if (!_Discovered.ContainsKey(file))
{
_Discovered[file] = DateTime.UtcNow;
}
}
catch { }
}
}
catch { }
try
{
foreach (string file in _Discovered.Keys.ToList())
{
if (!System.IO.File.Exists(file))
{
_Discovered.Remove(file);
}
else if ((DateTime.UtcNow - _Discovered[file]).TotalMinutes > 120)
{
System.IO.File.Delete(file);
_Discovered.Remove(file);
}
}
}
catch { }
}
public BackgroundEffectRenderer(Effect effect,
EffectConfigToken effectToken,
RenderArgs dstArgs,
RenderArgs srcArgs,
PdnRegion renderRegion,
int tileCount,
int workerThreads)
{
this.effect = effect;
this.effectToken = effectToken;
this.dstArgs = dstArgs;
this.srcArgs = srcArgs;
this.renderRegion = renderRegion;
this.renderRegion.Intersect(dstArgs.Bounds);
this.tileRegions = SliceUpRegion(renderRegion, tileCount, dstArgs.Bounds);
this.tilePdnRegions = new PdnRegion[this.tileRegions.Length];
for (int i = 0; i < this.tileRegions.Length; ++i)
{
PdnRegion pdnRegion = Utility.RectanglesToRegion(this.tileRegions[i]);
this.tilePdnRegions[i] = pdnRegion;
}
this.tileCount = tileCount;
this.workerThreads = workerThreads;
if ((effect.EffectDirectives & EffectDirectives.SingleThreaded) != 0)
{
this.workerThreads = 1;
}
this.threadPool = new Threading.ThreadPool(this.workerThreads, false);
}
protected override void Execute(Threading.ThreadPool owner)
{
try
{
lock (_Cached)
if (_LastAttempt.ContainsKey(_File))
{
if ((DateTime.UtcNow - _LastAttempt[_File]).TotalSeconds < 10)
{
return;
}
}
VersionManager.Cache(_Cache, _File, _RenameSourceAssemblies);
}
catch (Exception ex)
{
string s = ex.ToString();
}
}
//traverse the tree on multiple threads...
private void DrawItemsThread(DrawState state)
{
minBuffer[0] = boundsMin.X;
minBuffer[1] = boundsMin.Y;
minBuffer[2] = boundsMin.Z;
maxBuffer[0] = boundsMax.X;
maxBuffer[1] = boundsMax.Y;
maxBuffer[2] = boundsMax.Z;
Threading.ThreadPool pool = state.Application.ThreadPool;
if (this.threads == null)
{
//create the threads.
//must be a power-of-two number of thread tasks
threadLevel = 0;
int threadCount = 2;
while (pool.ThreadCount >= threadCount)
{
threadCount *= 2;
threadLevel++;
}
this.threads = new ThreadDrawer[threadCount];
for (int i = 0; i < threadCount; i++)
{
this.threads[i] = new ThreadDrawer();
this.threads[i].axis = threadLevel % 3;
}
}
Matrix world;
state.GetWorldMatrix(out world);
bool isIdentity = world == Matrix.Identity;
for (int i = 0; i < this.threads.Length; i++)
{
this.threads[i].children = this.allChildren;
this.threads[i].nodes = this.allNodes;
this.threads[i].idenityMatrix = isIdentity;
this.threads[i].cullTestInstanceCount = 0;
this.threads[i].instanceCount = 0;
this.threads[i].treeIsOptimized = this.IsOptimizedState;
}
int index = 0;
//traverse the tree, when getting to 'threadLevel' child depth, process on a thread
DrawItemsThread(state, 0, 0, ref index, minBuffer, maxBuffer);
//now wait for everything to finish...
for (int i = 0; i < this.threads.Length; i++)
{
threads[i].callback.WaitForCompletion();
}
//iterate through the items to draw
for (int t = 0; t < this.threads.Length; t++)
{
//some do not require cull tests
if (this.IsOptimizedState)
{
for (int i = 0; i < threads[t].instanceCount; i++)
{
ThreadDrawnInstance inst = threads[t].instances[i];
uint child = inst.firstChild;
child <<= ChildCountShift;
for (ushort c = 0; c < inst.childCount; c++)
{
IDraw item = allChildren[child++];
if (item != null)
{
item.Draw(state);
}
}
}
}
else
{
for (int i = 0; i < threads[t].instanceCount; i++)
{
ThreadDrawnInstance inst = threads[t].instances[i];
uint child = inst.firstChild;
child <<= ChildCountShift;
for (ushort c = 0; c < inst.childCount; c++)
{
allChildren[child++].Draw(state);
}
}
}
//some do.
for (int i = 0; i < threads[t].cullTestInstanceCount; i++)
{
ThreadDrawnInstance inst = threads[t].cullTestInstances[i];
uint child = inst.firstChild;
child <<= ChildCountShift;
for (ushort c = 0; c < inst.childCount; c++)
{
if (allChildren[child].CullTest(state))
{
allChildren[child].Draw(state);
}
child++;
}
}
}
}
