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Eevee: Overhaul the volumetric system.

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The system now uses several 3D textures in order to decouple every steps of the volumetric rendering.

See https://www.ea.com/frostbite/news/physically-based-unified-volumetric-rendering-in-frostbite for more details.

On the technical side, instead of using a compute shader to populate the 3D textures we use layered rendering with a geometry shader to render 1 fullscreen triangle per 3D texture slice.
This commit is contained in:
Clément Foucault
2017-10-24 14:49:00 +02:00
parent 1c0c63ce5b
commit 66d8f82b83
20 changed files with 798 additions and 593 deletions
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release/scripts/startup/bl_ui/properties_render_layer.py
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@@ -308,6 +308,7 @@ class RENDERLAYER_PT_eevee_volumetric(RenderLayerButtonsPanel, Panel):
col = layout.column()
col.template_override_property(layer_props, scene_props, "volumetric_start")
col.template_override_property(layer_props, scene_props, "volumetric_end")
col.template_override_property(layer_props, scene_props, "volumetric_tile_size")
col.template_override_property(layer_props, scene_props, "volumetric_samples")
col.template_override_property(layer_props, scene_props, "volumetric_sample_distribution")
col.template_override_property(layer_props, scene_props, "volumetric_lights")