Manual - Revision history

Mr F at 09:27, 19 September 2026

2026-09-19T09:27:29Z

2026-09-19T09:26:41Z

2026-09-19T09:23:20Z

‎Optimize SH maps for batching

2026-09-19T09:23:01Z

‎Optimize SH maps for batching

2026-09-19T09:21:22Z

‎Limitations

2026-09-19T09:20:37Z

‎Limitations

2026-09-19T09:19:50Z

‎SH

2026-09-19T09:19:10Z

‎SH

2026-09-19T09:18:48Z

‎SH

2026-09-19T09:17:10Z

‎Terrain optimization

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 Creates a long texture atlas with all SH L1 textures and assigns it via the Unity directional map slot, keeping batching. Without this option, SH bakes produce 4 individual maps, 3 of which are assigned via a MaterialPropertyBlock. Shaders need to be aware of the optimization. BakeryStandard and BakeryURPLit support it out of the box.
-While the map count and CPU overhead for [[Manual#SH|SH]] with this option equals to that of [[Manual#MonoSH|MonoSH]], the full SH long atlas is still 3x larger in memory.
+While the map count and CPU overhead for [[Manual#SH|SH]] with this option equals to that of [[Manual#MonoSH|MonoSH]], the full SH atlas is still 3x larger in memory.
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← Older revision		Revision as of 09:23, 19 September 2026
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	Creates a long texture atlas with all SH L1 textures and assigns it via the Unity directional map slot, keeping batching. Without this option, SH bakes produce 4 individual maps, 3 of which are assigned via a MaterialPropertyBlock. Shaders need to be aware of the optimization. BakeryStandard and BakeryURPLit support it out of the box.		Creates a long texture atlas with all SH L1 textures and assigns it via the Unity directional map slot, keeping batching. Without this option, SH bakes produce 4 individual maps, 3 of which are assigned via a MaterialPropertyBlock. Shaders need to be aware of the optimization. BakeryStandard and BakeryURPLit support it out of the box.
		+
		+	While the map count and CPU overhead for [[Manual#SH\|SH]] with this option equals to that of [[Manual#MonoSH\|MonoSH]], the full SH long atlas is still 3x larger in memory.

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 * RNM and SH/MonoSH can be only used with [[#Bakery_shaders|Bakery shader]] (or the corresponding URP/HDRP graphs) or require adjustments to your shaders.
 * In RNM and SH modes, standard color lightmaps are not created. You need to either have Bakery shader on all materials in the scene, or use [[#Bakery_Lightmap_Group_Selector|Lightmap Groups]] to separate RNM/SH objects from the rest.
-* RNM and SH maps are applied to objects using [https://docs.unity3d.com/ScriptReference/MaterialPropertyBlock.html MaterialPropertyBlock] and so may be not shown completely in Unity’s Lighting window.
+* RNM and SH maps (when [[Manual#Optimize_SH_maps_for_batching|Optimize SH Maps For Batching]] is disabled) are applied to objects using [https://docs.unity3d.com/ScriptReference/MaterialPropertyBlock.html MaterialPropertyBlock] and so may be not shown completely in Unity’s Lighting window.
 * Dominant Direction, RNM and SH/MonoSH modes may require slightly more samples for GI and Light Meshes to get comparable quality.

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 Based on “Precomputed Global Illumination in Frostbite” [https://media.contentapi.ea.com/content/dam/eacom/frostbite/files/gdc2018-precomputedgiobalilluminationinfrostbite.pdf paper]. This is the highest quality mode, giving much better surface contrast and representing differently colored lighting coming from different directions. Generates 4 maps in total, only one of them being HDR, therefore takes less memory than RNM. Runtime overhead is slightly higher than that of RNM.
-Map count and overhead can be reduced with [[Manual#Optimize_SH_maps_for_batching|Optimize SH Maps For Batching]].
+Map count (and overhead) can be reduced to 2 with [[Manual#Optimize_SH_maps_for_batching|Optimize SH Maps For Batching]].
 ===== MonoSH =====

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 {{note| Terrain Optimization is not currently compatible with painted terrain holes. Disable it to make them work.}}
 {{note| Terrain Optimization is only supported in non-RTX mode.}}
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