diff options
Diffstat (limited to 'intern/cycles/kernel/kernel_light.h')
| -rw-r--r-- | intern/cycles/kernel/kernel_light.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernel_light.h b/intern/cycles/kernel/kernel_light.h index edc302cd6e3..1084415d0cf 100644 --- a/intern/cycles/kernel/kernel_light.h +++ b/intern/cycles/kernel/kernel_light.h @@ -388,6 +388,12 @@ __device float light_sample_pdf(KernelGlobals *kg, LightSample *ls, float3 I, fl return pdf; } +__device int light_select_num_samples(KernelGlobals *kg, int index) +{ + float4 data3 = kernel_tex_fetch(__light_data, index*LIGHT_SIZE + 3); + return __float_as_int(data3.x); +} + __device void light_select(KernelGlobals *kg, int index, float randu, float randv, float3 P, LightSample *ls, float *pdf) { regular_light_sample(kg, index, randu, randv, P, ls, pdf); |