Unity function to vertically flip a render texture.

VerticallyFlipRenderTexture.cs

/// <summary>
/// Vertically flips a render texture in-place.
/// </summary>
/// <param name="target">Render texture to flip.</param>
public static void VerticallyFlipRenderTexture(RenderTexture target)
{
    var temp = RenderTexture.GetTemporary(target.descriptor);
    Graphics.Blit(target, temp, new Vector2(1, -1), new Vector2(0, 1));
    Graphics.Blit(temp, target);
    RenderTexture.ReleaseTemporary(temp);
}

very hepful thank you

Thank you!