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Differential D2904 Diff 9803 intern/cycles/kernel/kernel_path_state.h

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intern/cycles/kernel/kernel_path_state.h

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ccl_device_inline void path_state_init(KernelGlobals *kg, ccl_device_inline void path_state_init(KernelGlobals *kg,
ShaderData *stack_sd, ShaderData *stack_sd,
ccl_addr_space PathState *state, ccl_addr_space PathState *state,
uint rng_hash, uint rng_hash,
int sample, int sample,
ccl_addr_space Ray *ray) ccl_addr_space Ray *ray)
{ {
state->flag = PATH_RAY_CAMERA|PATH_RAY_MIS_SKIP; state->flag = PATH_RAY_CAMERA|PATH_RAY_MIS_SKIP|PATH_RAY_TRANSPARENT_BACKGROUND;
state->rng_hash = rng_hash; state->rng_hash = rng_hash;
state->rng_offset = PRNG_BASE_NUM; state->rng_offset = PRNG_BASE_NUM;
state->sample = sample; state->sample = sample;
state->num_samples = kernel_data.integrator.aa_samples; state->num_samples = kernel_data.integrator.aa_samples;
state->branch_factor = 1.0f; state->branch_factor = 1.0f;
state->bounce = 0; state->bounce = 0;
▲ Show 20 Lines • Show All 46 Lines • ▼ Show 20 Lines if(label & LABEL_TRANSPARENT) {
/* random number generator next bounce */ /* random number generator next bounce */
state->rng_offset += PRNG_BOUNCE_NUM; state->rng_offset += PRNG_BOUNCE_NUM;
return; return;
} }
state->bounce++; state->bounce++;
state->flag &= ~(PATH_RAY_ALL_VISIBILITY|PATH_RAY_MIS_SKIP);
#ifdef __VOLUME__ #ifdef __VOLUME__
if(label & LABEL_VOLUME_SCATTER) { if(label & LABEL_VOLUME_SCATTER) {
/* volume scatter */ /* volume scatter */
state->flag |= PATH_RAY_VOLUME_SCATTER; state->flag |= PATH_RAY_VOLUME_SCATTER;
state->flag &= ~(PATH_RAY_REFLECT|PATH_RAY_TRANSMIT|PATH_RAY_CAMERA|PATH_RAY_TRANSPARENT|PATH_RAY_DIFFUSE|PATH_RAY_GLOSSY|PATH_RAY_SINGULAR|PATH_RAY_MIS_SKIP); state->flag &= ~PATH_RAY_TRANSPARENT_BACKGROUND;
state->volume_bounce++; state->volume_bounce++;
} }
else else
#endif #endif
{ {
/* surface reflection/transmission */ /* surface reflection/transmission */
if(label & LABEL_REFLECT) { if(label & LABEL_REFLECT) {
state->flag |= PATH_RAY_REFLECT; state->flag |= PATH_RAY_REFLECT;
state->flag &= ~(PATH_RAY_TRANSMIT|PATH_RAY_VOLUME_SCATTER|PATH_RAY_CAMERA|PATH_RAY_TRANSPARENT); state->flag &= ~PATH_RAY_TRANSPARENT_BACKGROUND;
if(label & LABEL_DIFFUSE) if(label & LABEL_DIFFUSE)
state->diffuse_bounce++; state->diffuse_bounce++;
else else
state->glossy_bounce++; state->glossy_bounce++;
} }
else { else {
kernel_assert(label & LABEL_TRANSMIT); kernel_assert(label & LABEL_TRANSMIT);
state->flag |= PATH_RAY_TRANSMIT; state->flag |= PATH_RAY_TRANSMIT;
state->flag &= ~(PATH_RAY_REFLECT|PATH_RAY_VOLUME_SCATTER|PATH_RAY_CAMERA|PATH_RAY_TRANSPARENT);
if(!(label & LABEL_TRANSMIT_TRANSPARENT)) {
state->flag &= ~PATH_RAY_TRANSPARENT_BACKGROUND;
}
state->transmission_bounce++; state->transmission_bounce++;
} }
/* diffuse/glossy/singular */ /* diffuse/glossy/singular */
if(label & LABEL_DIFFUSE) { if(label & LABEL_DIFFUSE) {
state->flag |= PATH_RAY_DIFFUSE|PATH_RAY_DIFFUSE_ANCESTOR; state->flag |= PATH_RAY_DIFFUSE|PATH_RAY_DIFFUSE_ANCESTOR;
state->flag &= ~(PATH_RAY_GLOSSY|PATH_RAY_SINGULAR|PATH_RAY_MIS_SKIP);
} }
else if(label & LABEL_GLOSSY) { else if(label & LABEL_GLOSSY) {
state->flag |= PATH_RAY_GLOSSY; state->flag |= PATH_RAY_GLOSSY;
state->flag &= ~(PATH_RAY_DIFFUSE|PATH_RAY_SINGULAR|PATH_RAY_MIS_SKIP);
} }
else { else {
kernel_assert(label & LABEL_SINGULAR); kernel_assert(label & LABEL_SINGULAR);
state->flag |= PATH_RAY_GLOSSY|PATH_RAY_SINGULAR|PATH_RAY_MIS_SKIP; state->flag |= PATH_RAY_GLOSSY|PATH_RAY_SINGULAR|PATH_RAY_MIS_SKIP;
state->flag &= ~PATH_RAY_DIFFUSE;
} }
} }
/* random number generator next bounce */ /* random number generator next bounce */
state->rng_offset += PRNG_BOUNCE_NUM; state->rng_offset += PRNG_BOUNCE_NUM;
#ifdef __DENOISING_FEATURES__ #ifdef __DENOISING_FEATURES__
if((state->denoising_feature_weight == 0.0f) && !(state->flag & PATH_RAY_SHADOW_CATCHER)) { if((state->denoising_feature_weight == 0.0f) && !(state->flag & PATH_RAY_SHADOW_CATCHER)) {
▲ Show 20 Lines • Show All 105 Lines • Show Last 20 Lines