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Differential D860 Diff 2815 intern/cycles/kernel/kernel_path_volume.h

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intern/cycles/kernel/kernel_path_volume.h

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light_ray.time = sd->time; light_ray.time = sd->time;
#endif #endif
light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, &ls); light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, &ls, state->bounce);
if(ls.pdf == 0.0f) if(ls.pdf == 0.0f)
return; return;
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if(sample_all_lights) { if(sample_all_lights) {
/* lamp sampling */ /* lamp sampling */
for(int i = 0; i < kernel_data.integrator.num_all_lights; i++) { for(int i = 0; i < kernel_data.integrator.num_all_lights; i++) {
if(light_select_reached_max_bounces(kg, i, state->bounce))
continue;
int num_samples = ceil_to_int(num_samples_adjust*light_select_num_samples(kg, i)); int num_samples = ceil_to_int(num_samples_adjust*light_select_num_samples(kg, i));
float num_samples_inv = num_samples_adjust/(num_samples*kernel_data.integrator.num_all_lights); float num_samples_inv = num_samples_adjust/(num_samples*kernel_data.integrator.num_all_lights);
RNG lamp_rng = cmj_hash(*rng, i); RNG lamp_rng = cmj_hash(*rng, i);
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light_t = 0.5f*light_t; light_t = 0.5f*light_t;
LightSample ls; LightSample ls;
light_sample(kg, light_t, light_u, light_v, sd->time, ray->P, &ls); light_sample(kg, light_t, light_u, light_v, sd->time, ray->P, &ls, state->bounce);
float3 tp = throughput; float3 tp = throughput;
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kernel_assert(result == VOLUME_PATH_SCATTERED); kernel_assert(result == VOLUME_PATH_SCATTERED);
/* todo: split up light_sample so we don't have to call it again with new position */ /* todo: split up light_sample so we don't have to call it again with new position */
light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, &ls); light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, &ls, state->bounce);
if(ls.pdf == 0.0f) if(ls.pdf == 0.0f)
continue; continue;
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path_state_rng_2D(kg, rng, state, PRNG_LIGHT_U, &light_u, &light_v); path_state_rng_2D(kg, rng, state, PRNG_LIGHT_U, &light_u, &light_v);
LightSample ls; LightSample ls;
light_sample(kg, light_t, light_u, light_v, sd->time, ray->P, &ls); light_sample(kg, light_t, light_u, light_v, sd->time, ray->P, &ls, state->bounce);
float3 tp = throughput; float3 tp = throughput;
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kernel_assert(result == VOLUME_PATH_SCATTERED); kernel_assert(result == VOLUME_PATH_SCATTERED);
/* todo: split up light_sample so we don't have to call it again with new position */ /* todo: split up light_sample so we don't have to call it again with new position */
light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, &ls); light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, &ls, state->bounce);
if(ls.pdf == 0.0f) if(ls.pdf == 0.0f)
return; return;
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