QQuickRenderControl fbo alpha channel

  • In QQuickRenderControl example, seems like the texture owned by fbo won't be transparent but white (255, 255, 255, 255). Any hint to deal with this issue?

  • I think the white is from the quickwindow that uses the rendercontrol, you can use set color on the quickwindow to Qt::transparent. The rest depends on the colors of the qml and the shader used.

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