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Add option to enable HDR rendering in 2D

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This is needed to allow 2D to fully make use of 3D effects (e.g. glow), and can be used to substantially improve quality of 2D rendering at the cost of performance

Additionally, the 2D rendering pipeline is done in linear space (we skip linear_to_srgb conversion in 3D tonemapping) so the entire Viewport can be kept linear.
This is necessary for proper HDR screen support in the future.
This commit is contained in:
clayjohn
2023-08-03 14:10:01 +02:00
parent 237bd0a615
commit 57eb762bae
40 changed files with 309 additions and 105 deletions
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doc/classes/ProjectSettings.xml
+3
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@@ -2650,6 +2650,9 @@
<member name="rendering/textures/webp_compression/lossless_compression_factor" type="float" setter="" getter="" default="25">
The default compression factor for lossless WebP. Decompression speed is mostly unaffected by the compression factor. Supported values are 0 to 100.
</member>
<member name="rendering/viewport/hdr_2d" type="bool" setter="" getter="" default="false">
If [code]true[/code], enables [member Viewport.use_hdr_2d] on the root viewport. This allows 2D rendering to take advantage of effects requiring high dynamic range (e.g. 2D glow).
</member>
<member name="rendering/viewport/transparent_background" type="bool" setter="" getter="" default="false">
If [code]true[/code], enables [member Viewport.transparent_bg] on the root viewport. This allows per-pixel transparency to be effective after also enabling [member display/window/size/transparent] and [member display/window/per_pixel_transparency/allowed].
</member>