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Always perform color correction and debanding on nonlinear sRGB values.

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Fixes #107730

Co-authored-by: LuoZhihao <luo_zhihao@outlook.com>
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Allen Pestaluky 2025-07-07 16:38:17 -04:00
parent 4d1f26e1fd
commit a1591512f8
15 changed files with 82 additions and 20 deletions
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doc/classes/Viewport.xml
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@ -444,7 +444,7 @@
If [code]true[/code], the viewport should render its background as transparent.
</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].
If [code]true[/code], uses a fast post-processing filter to make banding significantly less visible. If [member use_hdr_2d] is [code]false[/code], 2D rendering is [i]not[/i] affected by debanding unless the [member Environment.background_mode] is [constant Environment.BG_CANVAS]. If [member use_hdr_2d] is [code]true[/code], debanding will only be applied if this is the root [Viewport] and will affect all 2D and 3D rendering, including canvas items.
In some cases, debanding may introduce a slightly noticeable dithering pattern. It's recommended to enable debanding only when actually needed since the dithering pattern will make lossless-compressed screenshots larger.
See also [member ProjectSettings.rendering/anti_aliasing/quality/use_debanding] and [method RenderingServer.viewport_set_use_debanding].
</member>