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Cycles: Fix light tree sampling of multiple large distant lights

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This fixes an issue where the light tree sampling algorithm would
discard light samples from groups of distance lights with an angle
greater than 0 when it shouldn't.

Pull Request: https://projects.blender.org/blender/blender/pulls/108832
This commit is contained in:
Alaska 2023-06-13 15:36:05 +02:00 • committed by Sergey Sharybin
parent 8a11f0f3a2
commit 623cb023b9
1 changed files with 1 additions and 1 deletions
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2
intern/cycles/kernel/light/tree.h
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@ -316,7 +316,7 @@ ccl_device void light_tree_node_importance(KernelGlobals kg,
return;
}
point_to_centroid = -bcone.axis;
cos_theta_u = fast_cosf(bcone.theta_o);
cos_theta_u = fast_cosf(bcone.theta_o + bcone.theta_e);
distance = 1.0f;
}
else {