[Bf-blender-cvs] [7e73b6a] master: Cleanup: Add comment about light_p being modified in one case.

[Thomas Dinges]

Commit: 7e73b6aa25221697375aa4ae9d231be5b3233677
Author: Thomas Dinges
Date:   Tue Feb 17 19:24:37 2015 +0100
Branches: master
https://developer.blender.org/rB7e73b6aa25221697375aa4ae9d231be5b3233677

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

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M	intern/cycles/kernel/kernel_light.h

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diff --git a/intern/cycles/kernel/kernel_light.h b/intern/cycles/kernel/kernel_light.h
index 0be8a9e..846ec80 100644
--- 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,