In memory screenshot in Unity

unity-in-memory-png.cs

private byte[] CaptureInMemoryPngScreenshot()
{
    // TODO BG the example calls Destory on texture, do we need to do that?
    var texture = new Texture2D(Screen.width, Screen.height, TextureFormat.RGB24, false);
    texture.ReadPixels(new Rect(0, 0, Screen.width, Screen.height), 0, 0);
    texture.Apply();
    return texture.EncodeToPNG();
}