Capture Screenshot Async

CaptureScreen.cs

// https://forum.unity.com/threads/resulting-screenshot-image-in-game-is-upside-down-and-not-correctly-positioned.848230/
using UnityEngine;
using UnityEngine.Rendering;
using Unity.Collections;
using System;
using System.IO;
using System.Collections;
 
public class CaptureScreen : MonoBehaviour
{
    public static CaptureScreen instance;
    public string filePath;
 
    void Awake()
    {
        instance = this;
    }
 
    public void Capture()
    {
        StartCoroutine(AsyncCapture());
    }
 
    IEnumerator AsyncCapture()
    {
        yield return new WaitForEndOfFrame();
        var rt = RenderTexture.GetTemporary(Screen.width, Screen.height, 0, RenderTextureFormat.ARGB32);
        ScreenCapture.CaptureScreenshotIntoRenderTexture(rt);
        AsyncGPUReadback.Request(rt, 0, TextureFormat.RGBA32, OnCompleteReadback);
        RenderTexture.ReleaseTemporary(rt);
    }
 
    void OnCompleteReadback(AsyncGPUReadbackRequest asyncGPUReadbackRequest)
    {
        // get screenshot data as nativearray or handle error
        if (asyncGPUReadbackRequest.hasError)
        {
            Debug.LogError("Error Capturing Screenshot: With AsyncGPUReadbackRequest.");
            return;
        }
        var rawData = asyncGPUReadbackRequest.GetData<byte>();
        // Grab screen dimensions
        var width = Screen.width;
        var height = Screen.height;
        var texture = new Texture2D(width, height, TextureFormat.RGBA32, false);
        var processedData = texture.GetRawTextureData<byte>();
        // now flip vertical pixels
        for (int i = 0; i < rawData.Length; i += 4)
        {
            var arrayIndex = i / 4;
            var x = arrayIndex % width;
            var y = arrayIndex / width;
            var flippedY = (height - 1 - y);
            var flippedIndex = x + flippedY * width;
            // flip the data
            processedData[i] = rawData[flippedIndex * 4];
            processedData[i + 1] = rawData[flippedIndex * 4 + 1];
            processedData[i + 2] = rawData[flippedIndex * 4 + 2];
            processedData[i + 3] = rawData[flippedIndex * 4 + 3];
        }
        // create texture and save as png using datetime
        var dateTime = DateTime.Now;
        var dateTimeString = dateTime.ToString("-yyyy-MM-dd_") + dateTime.Hour + "h-" + dateTime.Minute + "m";
        File.WriteAllBytes(filePath + dateTimeString + ".png", ImageConversion.EncodeToPNG(texture));
        Destroy(texture);
        // todo: hook this up with my twitter.py script
    }
}