Can you draw geometry over a GUITexture?

Is it possible to draw geometry over a GUITexture?

I put my GUILayer component on a camera at depth 0. Then I created another camera at depth 1, with clear flags set to “Depth Only” and the culling mask set to the geometry I want. However, the GUITexture that should be seen in the first camera (at depth 0) is invisible.

As soon as the second camera is disabled, the GUITexture become visible.

Basically, I’m trying to add a simple vignette over my scene, but I also want some geometry to be drawn above it. Is this possible?

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