diff options
Diffstat (limited to 'intern/cycles/kernel/geom/geom_object.h')
| -rw-r--r-- | intern/cycles/kernel/geom/geom_object.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/intern/cycles/kernel/geom/geom_object.h b/intern/cycles/kernel/geom/geom_object.h index 1ffc143be34..a276096a745 100644 --- a/intern/cycles/kernel/geom/geom_object.h +++ b/intern/cycles/kernel/geom/geom_object.h @@ -244,6 +244,17 @@ ccl_device_inline float object_pass_id(KernelGlobals *kg, int object) return f.y; } +/* Per lamp random number for shader variation */ + +ccl_device_inline float lamp_random_number(KernelGlobals *kg, int lamp) +{ + if(lamp == LAMP_NONE) + return 0.0f; + + float4 f = kernel_tex_fetch(__light_data, lamp*LIGHT_SIZE + 4); + return f.y; +} + /* Per object random number for shader variation */ ccl_device_inline float object_random_number(KernelGlobals *kg, int object) |