Fix T79052: Cycles new sky texture fails with sun size zero

Clamp to a minimum angle to avoid precision issues.

1 files changed, 1 insertions, 1 deletions

diff --git a/intern/cycles/kernel/svm/svm_sky.h b/intern/cycles/kernel/svm/svm_sky.h
index f824184c1d4..b908732f026 100644
--- a/intern/cycles/kernel/svm/svm_sky.h
+++ b/intern/cycles/kernel/svm/svm_sky.h
@@ -137,7 +137,7 @@ ccl_device float3 sky_radiance_nishita(KernelGlobals *kg,
   float sun_rotation = nishita_data[7];
   float angular_diameter = nishita_data[8];
   float sun_intensity = nishita_data[9];
-  bool sun_disc = (angular_diameter > 0.0f);
+  bool sun_disc = (angular_diameter >= 0.0f);
   float3 xyz;
   /* convert dir to spherical coordinates */
   float2 direction = direction_to_spherical(dir);