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Add material debanding for use in Mobile rendering method.

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Co-authored-by: Hugo Locurcio <hugo.locurcio@hugo.pro>
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Allen Pestaluky
2022-03-07 18:29:40 +01:00
parent 9a5d6d1049
commit bd9d1bf070
20 changed files with 85 additions and 14 deletions
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6
doc/classes/Viewport.xml
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@ -457,9 +457,9 @@
[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. 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].
When using the Mobile or Forward+ renderers, set [member use_debanding] to enable or disable the debanding feature of this [Viewport]. 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.
[member use_debanding] has no effect when using the Compatibility rendering method. The Mobile renderer can also use material debanding, which can be set with [method RenderingServer.material_set_use_debanding] or configured with [member ProjectSettings.rendering/anti_aliasing/quality/use_debanding].
See also [member ProjectSettings.rendering/anti_aliasing/quality/use_debanding], [method RenderingServer.material_set_use_debanding], and [method RenderingServer.viewport_set_use_debanding].
</member>
<member name="use_hdr_2d" type="bool" setter="set_use_hdr_2d" getter="is_using_hdr_2d" default="false">
If [code]true[/code], 2D rendering will use a high dynamic range (HDR) format framebuffer matching the bit depth of the 3D framebuffer. When using the Forward+ or Compatibility renderer, this will be an [code]RGBA16[/code] framebuffer. When using the Mobile renderer, it will be an [code]RGB10_A2[/code] framebuffer.