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Update docs to describe new use_hdr_2d behavior with Mobile renderer.

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Allen Pestaluky
2025-11-20 12:13:56 -05:00
parent 9dd6c4dbac
commit ef18638ac3
3 changed files with 3 additions and 6 deletions
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doc/classes/RenderingServer.xml
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@ -4292,8 +4292,7 @@
<param index="0" name="viewport" type="RID" />
<param index="1" name="enabled" type="bool" />
<description>
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.
Additionally, 2D rendering will be performed on linear values and will be converted using the appropriate transfer function immediately before blitting to the screen (if the Viewport is attached to the screen).
If [code]true[/code], 2D rendering will use a high dynamic range (HDR) [code]RGBA16[/code] format framebuffer. Additionally, 2D rendering will be performed on linear values and will be converted using the appropriate transfer function immediately before blitting to the screen (if the Viewport is attached to the screen).
Practically speaking, this means that the end result of the Viewport will not be clamped to the [code]0-1[/code] range and can be used in 3D rendering without color encoding adjustments. This allows 2D rendering to take advantage of effects requiring high dynamic range (e.g. 2D glow) as well as substantially improves the appearance of effects requiring highly detailed gradients. This setting has the same effect as [member Viewport.use_hdr_2d].
</description>
</method>