I want to render material preview with openGL (viewport render), but can't figure out where is alpha setting for the background. There is just World Opacity in shading settings, which doesn't affect material preview's hdr image.

In 2.79b it looked like this:

enter image description here

  • 2
    $\begingroup$ is it not the Transparent option in the Render panel > Film? $\endgroup$
    – moonboots
    Jul 13, 2022 at 6:31
  • $\begingroup$ Nope, Film's option is for final renders $\endgroup$
    – Serge L
    Jul 13, 2022 at 6:40
  • $\begingroup$ @moonboots, haha, yes it is that simple. I just needed to do actual View -> Viewport render to get transparent BG, but somehow expected to see result directly in view area. $\endgroup$
    – Serge L
    Jul 13, 2022 at 8:30


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