Cleanup: Add comment about light_p being modified in one case.

2015-02-17 19:24:37 +01:00 · 2015-02-17 19:24:37 +01:00 · 7e73b6aa25
parent 1aa93dd9fd
commit 7e73b6aa25
1 changed files with 2 additions and 0 deletions
--- a/intern/cycles/kernel/kernel_light.h
+++ b/intern/cycles/kernel/kernel_light.h
@ -173,6 +173,8 @@ ccl_device float3 sphere_light_sample(float3 P, float3 center, float radius, flo
 * An Area-Preserving Parametrization for Spherical Rectangles.
 *
 * https://www.solidangle.com/research/egsr2013_spherical_rectangle.pdf
+ *
+ * Note: light_p is modified when sample_coord is true.
 */
 ccl_device float area_light_sample(float3 P,
                                   float3 *light_p,