Texture2D saves as PNG correctly but doesn't display properly in RawImage

Questions & Answers
1

I have a small bit of code i uses to perform a screen capture of my main camera.
Here’s most of the code i have in my ScreenshotManager on my main camera:

private Camera m_camera;
private bool m_takeScreenshotOnNextFrame = false;

[SerializeField]
private RawImage m_image;

private void OnPostRender()
    {
        if (m_takeScreenshotOnNextFrame)
        {
            m_takeScreenshotOnNextFrame = false;
            RenderTexture renderTexture = m_camera.targetTexture;

            Texture2D renderResult = new Texture2D(renderTexture.width, renderTexture.height, TextureFormat.ARGB32, false);
            Rect rect = new Rect(0, 0, renderTexture.width, renderTexture.height);
            renderResult.ReadPixels(rect, 0, 0);

            byte[] byteArray = renderResult.EncodeToPNG();
            System.IO.File.WriteAllBytes(Application.dataPath + "/TestScreen.png", byteArray);
            Debug.Log("Saved Screen.");

            m_image.texture = renderResult;

            RenderTexture.ReleaseTemporary(renderTexture);
            m_camera.targetTexture = null;
            m_camera.cullingMask = m_camera.cullingMask | (1 << LayerMask.NameToLayer("UI"));
            m_camera.fieldOfView = 60.0f;
        }
    }

    private void TakeScreenshot(int width, int height)
    {
        m_camera.targetTexture = RenderTexture.GetTemporary(width, height, 16);
        m_takeScreenshotOnNextFrame = true;
        m_camera.cullingMask = m_camera.cullingMask & ~(1 << LayerMask.NameToLayer("UI"));
        m_camera.fieldOfView = 50.0f;
    }

This code works fine for exporting the screenshot as a PNG, but i can’t get it to work for displaying the texture on the UI with m_image. I’ve tried with RawImage and UIImage (with Sprite.Create) and both give me the same result: the image gets slightly, uniformly grey when i take the screenshot.

Here’s how my RawImage is set up, if that can help:

164264-aaa.png
164264-aaa.png427×537 34.6 KB

Any hint or advice on how i could get this to work is appreciated.

2

Found the issue.
For anyone who’d stumble upon this problem, you need to call

renderResult.Apply();

On your Texture2D before sending it to the RawImage or creating the sprite with Sprite.Create. This will apply all the modification you’ve done to your texture.