void Update()
{
if (_plugin == null)
{
return;
}
var frame = EncodeFrame(TargetCamera.targetTexture);
if (frame != null)
{
PushFrame(frame);
RenderTexture.ReleaseTemporary(frame);
}
ProcessFrameQueue(_lowLatencyMode);
_dropDetector.Update(_plugin.DropCount);
}
void Update()
{
if (_plugin == null)
{
return;
}
// Update input queue; Break if it's not ready.
if (!UpdateQueue())
{
return;
}
// Renew texture objects when the frame dimensions were changed.
var dimensions = _plugin.FrameDimensions;
if (_sourceTexture != null &&
(_sourceTexture.width != dimensions.x / 2 ||
_sourceTexture.height != dimensions.y))
{
Util.Destroy(_sourceTexture);
Util.Destroy(_receivedTexture);
_sourceTexture = null;
_receivedTexture = null;
}
// Source texture lazy initialization
if (_sourceTexture == null)
{
_sourceTexture = new Texture2D(
dimensions.x / 2, dimensions.y,
TextureFormat.RGBA32, false
);
_sourceTexture.filterMode = FilterMode.Point;
}
// Request texture update via the command buffer.
Util.IssueTextureUpdateEvent(
_plugin.TextureUpdateCallback, _sourceTexture, _plugin.ID
);
// Receiver texture lazy initialization
if (_targetTexture == null && _receivedTexture == null)
{
_receivedTexture = new RenderTexture(dimensions.x, dimensions.y, 0);
_receivedTexture.wrapMode = TextureWrapMode.Clamp;
}
// Chroma upsampling
var receiver = _targetTexture != null ? _targetTexture : _receivedTexture;
var pass = _plugin.IsProgressive ? 0 : 1 + _fieldCount;
Graphics.Blit(_sourceTexture, receiver, _upsampler, pass);
receiver.IncrementUpdateCount();
// Renderer override
if (_targetRenderer != null)
{
// Material property block lazy initialization
if (_propertyBlock == null)
{
_propertyBlock = new MaterialPropertyBlock();
}
// Read-modify-write
_targetRenderer.GetPropertyBlock(_propertyBlock);
_propertyBlock.SetTexture(_targetMaterialProperty, receiver);
_targetRenderer.SetPropertyBlock(_propertyBlock);
}
_dropDetector.Update(_plugin.DropCount);
}
