public bool TryGetTextureFrame(out TextureFrame outFrame)
{
TextureFrame nextFrame = null;
lock (((ICollection)_availableTextureFrames).SyncRoot)
{
if (_poolSize <= frameCount)
{
while (_availableTextureFrames.Count > 0)
{
var textureFrame = _availableTextureFrames.Dequeue();
if (!IsStale(textureFrame))
{
nextFrame = textureFrame;
break;
}
}
}
else
{
nextFrame = CreateNewTextureFrame();
}
}
if (nextFrame == null)
{
outFrame = null;
return(false);
}
lock (((ICollection)_textureFramesInUse).SyncRoot)
{
_textureFramesInUse.Add(nextFrame.GetInstanceID(), nextFrame);
}
nextFrame.WaitUntilReleased();
outFrame = nextFrame;
return(true);
}
IEnumerator YieldTextureFrame(Action <TextureFrame> callback)
{
TextureFrame nextFrame = null;
lock (((ICollection)availableTextureFrames).SyncRoot) {
yield return(new WaitUntil(() => {
return poolSize > frameCount || availableTextureFrames.Count > 0;
}));
if (poolSize <= frameCount)
{
while (availableTextureFrames.Count > 0)
{
var textureFrame = availableTextureFrames.Dequeue();
if (!IsStale(textureFrame))
{
nextFrame = textureFrame;
break;
}
}
}
if (nextFrame == null)
{
nextFrame = CreateNewTextureFrame();
}
}
lock (((ICollection)textureFramesInUse).SyncRoot) {
textureFramesInUse.Add(nextFrame.GetInstanceID(), nextFrame);
}
nextFrame.WaitUntilReleased();
callback(nextFrame);
yield return(nextFrame);
}