8f9c14145e
Scenes that only uses a world probe would didn't work. Raytracing would look for the closest light probe, didn't find any and shader would use undefined behavior to sample in the reflectionProbes texture. In some cases this resulted in correct results when the world was located on layer 0 with subdivision 0. In any other case this would sample incorrect incoming light what lead to black reflections. This PR fixes this by returning the world probe when no nearest light probe cound be found. Pull Request: https://projects.blender.org/blender/blender/pulls/112893
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