public static UnityEngine.Texture2D CreateTemporaryDuplicate(UnityEngine.Texture2D original, int width, int height)
{
UnityEngine.Texture2D result;
if (!ShaderUtil.hardwareSupportsRectRenderTexture || !original)
{
result = null;
}
else
{
RenderTexture active = RenderTexture.active;
Rect rawViewportRect = ShaderUtil.rawViewportRect;
bool flag = !TextureUtil.GetLinearSampled(original);
RenderTexture temporary = RenderTexture.GetTemporary(width, height, 0, RenderTextureFormat.Default, (!flag) ? RenderTextureReadWrite.Linear : RenderTextureReadWrite.sRGB);
GL.sRGBWrite = (flag && QualitySettings.activeColorSpace == ColorSpace.Linear);
Graphics.Blit(original, temporary);
GL.sRGBWrite = false;
RenderTexture.active = temporary;
bool flag2 = width >= SystemInfo.maxTextureSize || height >= SystemInfo.maxTextureSize;
UnityEngine.Texture2D texture2D = new UnityEngine.Texture2D(width, height, TextureFormat.RGBA32, original.mipmapCount > 1 || flag2);
texture2D.ReadPixels(new Rect(0f, 0f, (float)width, (float)height), 0, 0);
texture2D.Apply();
RenderTexture.ReleaseTemporary(temporary);
EditorGUIUtility.SetRenderTextureNoViewport(active);
ShaderUtil.rawViewportRect = rawViewportRect;
texture2D.alphaIsTransparency = original.alphaIsTransparency;
result = texture2D;
}
return(result);
}
