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Disable unsupported SSR, SSS, DoF on transparent viewports

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For technical reasons, transparent viewports cannot support
screen-space reflections, subsurface scattering and depth of field.
Previously, enabling any of these would turn transparent viewports
invisible.
This commit is contained in:
Hugo Locurcio 2025-07-02 17:53:50 +02:00
parent efb40c1524
commit 1c62ba40b7
6 changed files with 25 additions and 4 deletions
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1
doc/classes/Viewport.xml
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@ -442,6 +442,7 @@
</member>
<member name="transparent_bg" type="bool" setter="set_transparent_background" getter="has_transparent_background" default="false">
If [code]true[/code], the viewport should render its background as transparent.
[b]Note:[/b] Due to technical limitations, certain rendering features are disabled when a viewport has a transparent background. This currently applies to screen-space reflections, subsurface scattering, and depth of field.
</member>
<member name="use_debanding" type="bool" setter="set_use_debanding" getter="is_using_debanding" default="false">
If [code]true[/code], uses a fast post-processing filter to make banding significantly less visible in 3D. 2D rendering is [i]not[/i] affected by debanding unless the [member Environment.background_mode] is [constant Environment.BG_CANVAS].