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Differential D4375 Diff 13751 intern/cycles/kernel/svm/svm_closure.h

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intern/cycles/kernel/svm/svm_closure.h

Show First 20 Lines • Show All 738 Lines • ▼ Show 20 Lines case CLOSURE_BSDF_HAIR_PRINCIPLED_ID: {
decode_node_uchar4(data_node2.x, &coat_ofs, &melanin_ofs, &melanin_redness_ofs, &absorption_coefficient_ofs); decode_node_uchar4(data_node2.x, &coat_ofs, &melanin_ofs, &melanin_redness_ofs, &absorption_coefficient_ofs);
uint tint_ofs, random_ofs, random_color_ofs, random_roughness_ofs; uint tint_ofs, random_ofs, random_color_ofs, random_roughness_ofs;
decode_node_uchar4(data_node3.x, &tint_ofs, &random_ofs, &random_color_ofs, &random_roughness_ofs); decode_node_uchar4(data_node3.x, &tint_ofs, &random_ofs, &random_color_ofs, &random_roughness_ofs);
const AttributeDescriptor attr_descr_random = find_attribute(kg, sd, data_node4.y); const AttributeDescriptor attr_descr_random = find_attribute(kg, sd, data_node4.y);
float random = 0.0f; float random = 0.0f;
if(attr_descr_random.offset != ATTR_STD_NOT_FOUND) { if(attr_descr_random.offset != ATTR_STD_NOT_FOUND) {
random = primitive_attribute_float(kg, sd, attr_descr_random, NULL, NULL); random = primitive_surface_attribute_float(kg, sd, attr_descr_random, NULL, NULL);
} }
else { else {
random = stack_load_float_default(stack, random_ofs, data_node3.y); random = stack_load_float_default(stack, random_ofs, data_node3.y);
} }
PrincipledHairBSDF *bsdf = (PrincipledHairBSDF*)bsdf_alloc(sd, sizeof(PrincipledHairBSDF), weight); PrincipledHairBSDF *bsdf = (PrincipledHairBSDF*)bsdf_alloc(sd, sizeof(PrincipledHairBSDF), weight);
if(bsdf) { if(bsdf) {
▲ Show 20 Lines • Show All 213 Lines • ▼ Show 20 Lines#ifdef __VOLUME__
float primitive_density = 1.0f; float primitive_density = 1.0f;
float density = (stack_valid(density_offset))? stack_load_float(stack, density_offset): __uint_as_float(value_node.x); float density = (stack_valid(density_offset))? stack_load_float(stack, density_offset): __uint_as_float(value_node.x);
density = mix_weight * fmaxf(density, 0.0f); density = mix_weight * fmaxf(density, 0.0f);
if(density > CLOSURE_WEIGHT_CUTOFF) { if(density > CLOSURE_WEIGHT_CUTOFF) {
/* Density and color attribute lookup if available. */ /* Density and color attribute lookup if available. */
const AttributeDescriptor attr_density = find_attribute(kg, sd, attr_node.x); const AttributeDescriptor attr_density = find_attribute(kg, sd, attr_node.x);
if(attr_density.offset != ATTR_STD_NOT_FOUND) { if(attr_density.offset != ATTR_STD_NOT_FOUND) {
primitive_density = primitive_attribute_float(kg, sd, attr_density, NULL, NULL); primitive_density = primitive_volume_attribute_float(kg, sd, attr_density);
density = fmaxf(density * primitive_density, 0.0f); density = fmaxf(density * primitive_density, 0.0f);
} }
} }
if(density > CLOSURE_WEIGHT_CUTOFF) { if(density > CLOSURE_WEIGHT_CUTOFF) {
/* Compute scattering color. */ /* Compute scattering color. */
float3 color = sd->svm_closure_weight; float3 color = sd->svm_closure_weight;
const AttributeDescriptor attr_color = find_attribute(kg, sd, attr_node.y); const AttributeDescriptor attr_color = find_attribute(kg, sd, attr_node.y);
if(attr_color.offset != ATTR_STD_NOT_FOUND) { if(attr_color.offset != ATTR_STD_NOT_FOUND) {
color *= primitive_attribute_float3(kg, sd, attr_color, NULL, NULL); color *= primitive_volume_attribute_float3(kg, sd, attr_color);
} }
/* Add closure for volume scattering. */ /* Add closure for volume scattering. */
HenyeyGreensteinVolume *volume = (HenyeyGreensteinVolume*)bsdf_alloc(sd, sizeof(HenyeyGreensteinVolume), color * density); HenyeyGreensteinVolume *volume = (HenyeyGreensteinVolume*)bsdf_alloc(sd, sizeof(HenyeyGreensteinVolume), color * density);
if(volume) { if(volume) {
float anisotropy = (stack_valid(anisotropy_offset))? stack_load_float(stack, anisotropy_offset): __uint_as_float(value_node.y); float anisotropy = (stack_valid(anisotropy_offset))? stack_load_float(stack, anisotropy_offset): __uint_as_float(value_node.y);
volume->g = anisotropy; volume->g = anisotropy;
sd->flag |= volume_henyey_greenstein_setup(volume); sd->flag |= volume_henyey_greenstein_setup(volume);
Show All 24 Lines#ifdef __VOLUME__
} }
if(blackbody > CLOSURE_WEIGHT_CUTOFF) { if(blackbody > CLOSURE_WEIGHT_CUTOFF) {
float T = stack_load_float(stack, temperature_offset); float T = stack_load_float(stack, temperature_offset);
/* Add flame temperature from attribute if available. */ /* Add flame temperature from attribute if available. */
const AttributeDescriptor attr_temperature = find_attribute(kg, sd, attr_node.z); const AttributeDescriptor attr_temperature = find_attribute(kg, sd, attr_node.z);
if(attr_temperature.offset != ATTR_STD_NOT_FOUND) { if(attr_temperature.offset != ATTR_STD_NOT_FOUND) {
float temperature = primitive_attribute_float(kg, sd, attr_temperature, NULL, NULL); float temperature = primitive_volume_attribute_float(kg, sd, attr_temperature);
T *= fmaxf(temperature, 0.0f); T *= fmaxf(temperature, 0.0f);
} }
T = fmaxf(T, 0.0f); T = fmaxf(T, 0.0f);
/* Stefan-Boltzmann law. */ /* Stefan-Boltzmann law. */
float T4 = sqr(sqr(T)); float T4 = sqr(sqr(T));
float sigma = 5.670373e-8f * 1e-6f / M_PI_F; float sigma = 5.670373e-8f * 1e-6f / M_PI_F;
▲ Show 20 Lines • Show All 122 Lines • Show Last 20 Lines