In 4.17.2, when using a scene texture node for a post process effect most of the SceneTexture ID’s appear to add a screen-shaking effect, as if the post process effect for ‘grain jitter’ was turned on. This issue can cause problems with some post process materials like ceil shading, seen as the fuzzy shadows here https://i.imgur.com/vgWyVYd.png
Notice the screen shakes very slightly in the example using SceneTexture:WorldNormal Imgur
Note- the fuzzy effect of the shadows in the first picture are effected by a post process volume’s ‘Grain intensity’ parameter even though both it and Grain Jitter attribute is unchecked (and Grain Jitter is set to 0)
Steps to reproduce
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Create a post process effect with a
single SceneTexture node attached to
the output’s Emissive parameter -
Note that the node can use a Texture ID of World Normal, Metallic, Diffuse, BaseColor, Ambient Occlusion, or nearly any other ID except for PostProcessInput0. (example here https://i.imgur.com/3VyIpCw.png)
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Create a post process in any level set to unbound and Post process materials to have the one just created.
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Notice that the screen shakes slightly when the post process uses one of these SceneTexture ID’s.
Desired result: SceneTexture should not jitter/shake when used.