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Differential D2217 Diff 7716 intern/cycles/kernel/kernel_path_volume.h

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intern/cycles/kernel/kernel_path_volume.h

Show First 20 Lines • Show All 42 Lines • ▼ Show 20 Lines#ifdef __EMISSION__
/* connect to light from given point where shader has been evaluated */ /* connect to light from given point where shader has been evaluated */
# ifdef __OBJECT_MOTION__ # ifdef __OBJECT_MOTION__
light_ray.time = sd->time; light_ray.time = sd->time;
# endif # endif
if(light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls)) if(light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls))
{ {
if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { float terminate = path_state_rng_light_termination(kg, rng, state);
if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp, terminate)) {
/* trace shadow ray */ /* trace shadow ray */
float3 shadow; float3 shadow;
if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) {
/* accumulate */ /* accumulate */
path_radiance_accum_light(L, throughput, &L_light, shadow, 1.0f, state->bounce, is_lamp); path_radiance_accum_light(L, throughput, &L_light, shadow, 1.0f, state->bounce, is_lamp);
} }
} }
▲ Show 20 Lines • Show All 96 Lines • ▼ Show 20 Lines for(int i = 0; i < kernel_data.integrator.num_all_lights; i++) {
(void)result; (void)result;
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 */
if(lamp_light_sample(kg, i, light_u, light_v, sd->P, &ls)) { if(lamp_light_sample(kg, i, light_u, light_v, sd->P, &ls)) {
if(kernel_data.integrator.pdf_triangles != 0.0f) if(kernel_data.integrator.pdf_triangles != 0.0f)
ls.pdf *= 2.0f; ls.pdf *= 2.0f;
if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { float terminate = path_branched_rng_light_termination(kg, rng, state, j, num_samples);
if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp, terminate)) {
/* trace shadow ray */ /* trace shadow ray */
float3 shadow; float3 shadow;
if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) {
/* accumulate */ /* accumulate */
path_radiance_accum_light(L, tp*num_samples_inv, &L_light, shadow, num_samples_inv, state->bounce, is_lamp); path_radiance_accum_light(L, tp*num_samples_inv, &L_light, shadow, num_samples_inv, state->bounce, is_lamp);
} }
} }
Show All 31 Lines if(kernel_data.integrator.pdf_triangles != 0.0f) {
(void)result; (void)result;
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 */
if(light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls)) { if(light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls)) {
if(kernel_data.integrator.num_all_lights) if(kernel_data.integrator.num_all_lights)
ls.pdf *= 2.0f; ls.pdf *= 2.0f;
if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { float terminate = path_branched_rng_light_termination(kg, rng, state, j, num_samples);
if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp, terminate)) {
/* trace shadow ray */ /* trace shadow ray */
float3 shadow; float3 shadow;
if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) {
/* accumulate */ /* accumulate */
path_radiance_accum_light(L, tp*num_samples_inv, &L_light, shadow, num_samples_inv, state->bounce, is_lamp); path_radiance_accum_light(L, tp*num_samples_inv, &L_light, shadow, num_samples_inv, state->bounce, is_lamp);
} }
} }
Show All 20 Lines VolumeIntegrateResult result = kernel_volume_decoupled_scatter(kg,
state, ray, sd, &tp, rphase, rscatter, segment, (ls.t != FLT_MAX)? &ls.P: NULL, false); state, ray, sd, &tp, rphase, rscatter, segment, (ls.t != FLT_MAX)? &ls.P: NULL, false);
(void)result; (void)result;
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 */
if(light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls)) { if(light_sample(kg, light_t, light_u, light_v, sd->time, sd->P, state->bounce, &ls)) {
/* sample random light */ /* sample random light */
if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp)) { float terminate = path_state_rng_light_termination(kg, rng, state);
if(direct_emission(kg, sd, emission_sd, &ls, state, &light_ray, &L_light, &is_lamp, terminate)) {
/* trace shadow ray */ /* trace shadow ray */
float3 shadow; float3 shadow;
if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) { if(!shadow_blocked(kg, emission_sd, state, &light_ray, &shadow)) {
/* accumulate */ /* accumulate */
path_radiance_accum_light(L, tp, &L_light, shadow, 1.0f, state->bounce, is_lamp); path_radiance_accum_light(L, tp, &L_light, shadow, 1.0f, state->bounce, is_lamp);
} }
} }
Show All 9 Lines