/// <summary>
/// Starts recording.
/// </summary>
public void Record()
{
_state = RecorderState.Recording;
#if EM_URP
EM_GIFRecorderFeature.SetBlitRT(TargetCamera, null);
#endif
}
void OnDestroy()
{
_state = RecorderState.Stopped;
FlushMemory();
#if EM_URP
EM_GIFRecorderFeature.SetBlitRT(TargetCamera, null);
#endif
}
private void LateUpdate()
{
if (_state != RecorderState.Recording)
{
return;
}
pastTime += Time.unscaledDeltaTime;
if (pastTime >= timePerFrame)
{
pastTime -= timePerFrame;
RenderTexture targetBlitRT = EM_GIFRecorderFeature.GetBlitRT(TargetCamera);
if (targetBlitRT != null)
{
//Enqueue last frame blit result
recordedFrames.Enqueue(targetBlitRT);
}
RenderTexture tempRT = null;
// Recycle old frames -> discard old content
if (recordedFrames.Count >= maxFrameCount)
{
tempRT = recordedFrames.Dequeue();
}
if (tempRT == null)
{
tempRT = new RenderTexture(_width, _height, 0, RenderTextureFormat.ARGB32);
tempRT.wrapMode = TextureWrapMode.Clamp;
tempRT.filterMode = FilterMode.Bilinear;
tempRT.anisoLevel = 0;
}
else
{
// Discard the reused RT's content before rendering new content into it
// to avoid a "restore" operation, which is costly on many mobile GPUs and
// multi-GPU systems and will cause Unity to issue a warning.
tempRT.DiscardContents();
}
EM_GIFRecorderFeature.SetBlitRT(TargetCamera, tempRT);
}
}
