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@@ -11,18 +11,11 @@ In particular, it will explain how to write a post-processing shader that
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uses the depth buffer. You should already be familiar with post-processing
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generally and, in particular, with the methods outlined in the :ref:`custom post-processing tutorial <doc_custom_postprocessing>`.
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-In the previous post-processing tutorial, we rendered the scene to a :ref:`Viewport <class_Viewport>`
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-and then rendered the Viewport in a :ref:`SubViewportContainer <class_SubViewportContainer>`
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-to the main scene. One limitation of this method is that we could not access the
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-depth buffer because the depth buffer is only available in shaders and
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-Viewports do not maintain depth information.
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-
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Full screen quad
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----------------
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-In the :ref:`custom post-processing tutorial <doc_custom_postprocessing>`, we
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-covered how to use a Viewport to make custom post-processing effects. There are
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-two main drawbacks of using a Viewport:
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+One way to make custom post-processing effects is by using a viewport. However,
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+there are two main drawbacks of using a Viewport:
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1. The depth buffer cannot be accessed
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2. The effect of the post-processing shader is not visible in the editor
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skyace65