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Scene Texture (Alpha Channel) Depth Buffer

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    Scene Texture (Alpha Channel) Depth Buffer

    Does anyone know what's the exact difference between the depth of the SceneTextures alpha channel and the SceneDepth node?

    What I know so far is that it's inverted (becomes darker as depth increases) and that it has a different range. Not sure for the linearity.
    The interesting part is that the overall instruction count is lower if you use SceneTexture depth. It might also come handy (performance-wise) for some special operations, like blurring the scene texture and the scene depth in a single post process.
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