Fix [#27748] undeterministic behaviour of volumetric renderer
* Made clearer in the UI that the approximate multiple scattering always enables light cache * Fixed a potential problem in anisotropic scattering
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@ -883,7 +883,7 @@ class MATERIAL_PT_volume_lighting(VolumeButtonsPanel, bpy.types.Panel):
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sub = col.column()
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sub.enabled = True
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sub.active = False
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sub.prop(vol, "use_light_cache")
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sub.label("Light Cache Enabled")
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col.prop(vol, "cache_resolution")
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sub = col.column(align=True)
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@ -523,7 +523,6 @@ static void *vol_precache_part(void *data)
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continue;
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}
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/* this view coordinate is very wrong! */
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copy_v3_v3(shi->view, cco);
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normalize_v3(shi->view);
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vol_get_scattering(shi, scatter_col, cco);
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@ -534,6 +534,7 @@ static void vol_shade_one_lamp(struct ShadeInput *shi, float *co, LampRen *lar,
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if (luminance(lacol) < 0.001f) return;
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normalize_v3(lv);
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p = vol_get_phasefunc(shi, shi->mat->vol.asymmetry, shi->view, lv);
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/* physically based scattering with non-physically based RGB gain */
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