Blender  V2.93
Functions
kernel_shader.h File Reference
#include "kernel/closure/alloc.h"
#include "kernel/closure/bsdf_util.h"
#include "kernel/closure/bsdf.h"
#include "kernel/closure/emissive.h"
#include "kernel/svm/svm.h"

Go to the source code of this file.

Functions

CCL_NAMESPACE_BEGIN ccl_device_noinline void shader_setup_from_ray (KernelGlobals *kg, ShaderData *sd, const Intersection *isect, const Ray *ray)
 
ccl_device_inline void shader_setup_from_sample (KernelGlobals *kg, ShaderData *sd, const float3 P, const float3 Ng, const float3 I, int shader, int object, int prim, float u, float v, float t, float time, bool object_space, int lamp)
 
ccl_device void shader_setup_from_displace (KernelGlobals *kg, ShaderData *sd, int object, int prim, float u, float v)
 
ccl_device_inline void shader_setup_from_background (KernelGlobals *kg, ShaderData *sd, const Ray *ray)
 
ccl_device_inline void shader_prepare_closures (ShaderData *sd, ccl_addr_space PathState *state)
 
ccl_device_inline void _shader_bsdf_multi_eval (KernelGlobals *kg, ShaderData *sd, const float3 omega_in, float *pdf, const ShaderClosure *skip_sc, BsdfEval *result_eval, float sum_pdf, float sum_sample_weight)
 
ccl_device void shader_bsdf_eval (KernelGlobals *kg, ShaderData *sd, const float3 omega_in, BsdfEval *eval, float light_pdf, bool use_mis)
 
ccl_device_inline const ShaderClosure * shader_bsdf_pick (ShaderData *sd, float *randu)
 
ccl_device_inline const ShaderClosure * shader_bssrdf_pick (ShaderData *sd, ccl_addr_space float3 *throughput, float *randu)
 
ccl_device_inline int shader_bsdf_sample (KernelGlobals *kg, ShaderData *sd, float randu, float randv, BsdfEval *bsdf_eval, float3 *omega_in, differential3 *domega_in, float *pdf)
 
ccl_device int shader_bsdf_sample_closure (KernelGlobals *kg, ShaderData *sd, const ShaderClosure *sc, float randu, float randv, BsdfEval *bsdf_eval, float3 *omega_in, differential3 *domega_in, float *pdf)
 
ccl_device float shader_bsdf_average_roughness (ShaderData *sd)
 
ccl_device void shader_bsdf_blur (KernelGlobals *kg, ShaderData *sd, float roughness)
 
ccl_device float3 shader_bsdf_transparency (KernelGlobals *kg, const ShaderData *sd)
 
ccl_device void shader_bsdf_disable_transparency (KernelGlobals *kg, ShaderData *sd)
 
ccl_device float3 shader_bsdf_alpha (KernelGlobals *kg, ShaderData *sd)
 
ccl_device float3 shader_bsdf_diffuse (KernelGlobals *kg, ShaderData *sd)
 
ccl_device float3 shader_bsdf_glossy (KernelGlobals *kg, ShaderData *sd)
 
ccl_device float3 shader_bsdf_transmission (KernelGlobals *kg, ShaderData *sd)
 
ccl_device float3 shader_bsdf_average_normal (KernelGlobals *kg, ShaderData *sd)
 
ccl_device float3 shader_bsdf_ao (KernelGlobals *kg, ShaderData *sd, float ao_factor, float3 *N_)
 
ccl_device bool shader_constant_emission_eval (KernelGlobals *kg, int shader, float3 *eval)
 
ccl_device float3 shader_background_eval (ShaderData *sd)
 
ccl_device float3 shader_emissive_eval (ShaderData *sd)
 
ccl_device float3 shader_holdout_apply (KernelGlobals *kg, ShaderData *sd)
 
ccl_device void shader_eval_surface (KernelGlobals *kg, ShaderData *sd, ccl_addr_space PathState *state, ccl_global float *buffer, int path_flag)
 
ccl_device void shader_eval_displacement (KernelGlobals *kg, ShaderData *sd, ccl_addr_space PathState *state)
 
ccl_device float shader_cryptomatte_id (KernelGlobals *kg, int shader)
 

Function Documentation

◆ _shader_bsdf_multi_eval()

ccl_device_inline void _shader_bsdf_multi_eval ( KernelGlobals *  kg,
ShaderData *  sd,
const float3  omega_in,
float *  pdf,
const ShaderClosure *  skip_sc,
BsdfEval *  result_eval,
float  sum_pdf,
float  sum_sample_weight 
)

Definition at line 553 of file kernel_shader.h.

References bsdf_eval(), bsdf_eval_accum(), CLOSURE_IS_BSDF, kg, and ShaderClosure.

Referenced by shader_bsdf_eval(), and shader_bsdf_sample().

◆ shader_background_eval()

ccl_device float3 shader_background_eval ( ShaderData *  sd)

Definition at line 995 of file kernel_shader.h.

References SD_EMISSION, and zero_float3().

Referenced by direct_emissive_eval(), indirect_background(), and kernel_background_evaluate().

◆ shader_bsdf_alpha()

ccl_device float3 shader_bsdf_alpha ( KernelGlobals *  kg,
ShaderData *  sd 
)

Definition at line 859 of file kernel_shader.h.

References alpha, kg, max, min, one_float3(), shader_bsdf_transparency(), and zero_float3().

Referenced by kernel_path_integrate(), kernel_shadow_blocked_ao(), and kernel_write_data_passes().

◆ shader_bsdf_ao()

ccl_device float3 shader_bsdf_ao ( KernelGlobals *  kg,
ShaderData *  sd,
float  ao_factor,
float3 *  N_ 
)

Definition at line 925 of file kernel_shader.h.

References average(), CLOSURE_IS_BSDF_DIFFUSE, fabsf, is_zero(), N, N_, normalize(), ShaderClosure, and zero_float3().

Referenced by kernel_path_ao().

◆ shader_bsdf_average_normal()

ccl_device float3 shader_bsdf_average_normal ( KernelGlobals *  kg,
ShaderData *  sd 
)

Definition at line 912 of file kernel_shader.h.

References average(), CLOSURE_IS_BSDF_OR_BSSRDF, fabsf, is_zero(), N, normalize(), ShaderClosure, and zero_float3().

Referenced by kernel_write_data_passes().

◆ shader_bsdf_average_roughness()

ccl_device float shader_bsdf_average_roughness ( ShaderData *  sd)

Definition at line 800 of file kernel_shader.h.

References average(), bsdf_get_roughness_squared(), CLOSURE_IS_BSDF, fabsf, usdtokens::roughness(), safe_sqrtf(), ShaderClosure, and sqrtf.

◆ shader_bsdf_blur()

ccl_device void shader_bsdf_blur ( KernelGlobals *  kg,
ShaderData *  sd,
float  roughness 
)

Definition at line 820 of file kernel_shader.h.

References bsdf_blur(), CLOSURE_IS_BSDF, kg, usdtokens::roughness(), and ShaderClosure.

Referenced by kernel_path_shader_apply().

◆ shader_bsdf_diffuse()

ccl_device float3 shader_bsdf_diffuse ( KernelGlobals *  kg,
ShaderData *  sd 
)

Definition at line 869 of file kernel_shader.h.

References CLOSURE_IS_BSDF_BSSRDF, CLOSURE_IS_BSDF_DIFFUSE, CLOSURE_IS_BSSRDF, ShaderClosure, and zero_float3().

Referenced by kernel_write_data_passes().

◆ shader_bsdf_disable_transparency()

ccl_device void shader_bsdf_disable_transparency ( KernelGlobals *  kg,
ShaderData *  sd 
)

Definition at line 843 of file kernel_shader.h.

References CLOSURE_BSDF_TRANSPARENT_ID, SD_TRANSPARENT, ShaderClosure, and zero_float3().

◆ shader_bsdf_eval()

ccl_device void shader_bsdf_eval ( KernelGlobals *  kg,
ShaderData *  sd,
const float3  omega_in,
BsdfEval *  eval,
float  light_pdf,
bool  use_mis 
)

Definition at line 611 of file kernel_shader.h.

References _shader_bsdf_multi_eval(), bsdf_eval_init(), bsdf_eval_mis(), kernel_data, kg, NBUILTIN_CLOSURES, NULL, power_heuristic(), PROFILING_CLOSURE_EVAL, PROFILING_INIT, and zero_float3().

Referenced by direct_emission().

◆ shader_bsdf_glossy()

ccl_device float3 shader_bsdf_glossy ( KernelGlobals *  kg,
ShaderData *  sd 
)

Definition at line 884 of file kernel_shader.h.

References CLOSURE_IS_BSDF_GLOSSY, ShaderClosure, and zero_float3().

Referenced by kernel_write_data_passes().

◆ shader_bsdf_pick()

ccl_device_inline const ShaderClosure* shader_bsdf_pick ( ShaderData *  sd,
float *  randu 
)

Definition at line 637 of file kernel_shader.h.

References CLOSURE_IS_BSDF, CLOSURE_IS_BSDF_OR_BSSRDF, NULL, r, ShaderClosure, and sum().

Referenced by shader_bsdf_sample().

◆ shader_bsdf_sample()

ccl_device_inline int shader_bsdf_sample ( KernelGlobals *  kg,
ShaderData *  sd,
float  randu,
float  randv,
BsdfEval *  bsdf_eval,
float3 *  omega_in,
differential3 *  domega_in,
float *  pdf 
)

Definition at line 738 of file kernel_shader.h.

References _shader_bsdf_multi_eval(), bsdf_eval(), bsdf_eval_init(), bsdf_sample(), CLOSURE_IS_BSDF, kernel_assert, kernel_data, kg, label, LABEL_NONE, NULL, PROFILING_CLOSURE_SAMPLE, PROFILING_INIT, shader_bsdf_pick(), ShaderClosure, and zero_float3().

Referenced by kernel_path_surface_bounce().

◆ shader_bsdf_sample_closure()

ccl_device int shader_bsdf_sample_closure ( KernelGlobals *  kg,
ShaderData *  sd,
const ShaderClosure *  sc,
float  randu,
float  randv,
BsdfEval *  bsdf_eval,
float3 *  omega_in,
differential3 *  domega_in,
float *  pdf 
)

Definition at line 776 of file kernel_shader.h.

References bsdf_eval(), bsdf_eval_init(), bsdf_sample(), kernel_data, kg, label, PROFILING_CLOSURE_SAMPLE, PROFILING_INIT, and zero_float3().

◆ shader_bsdf_transmission()

ccl_device float3 shader_bsdf_transmission ( KernelGlobals *  kg,
ShaderData *  sd 
)

Definition at line 898 of file kernel_shader.h.

References CLOSURE_IS_BSDF_TRANSMISSION, ShaderClosure, and zero_float3().

Referenced by kernel_write_data_passes().

◆ shader_bsdf_transparency()

ccl_device float3 shader_bsdf_transparency ( KernelGlobals *  kg,
const ShaderData *  sd 
)

Definition at line 830 of file kernel_shader.h.

References one_float3(), SD_HAS_ONLY_VOLUME, SD_TRANSPARENT, and zero_float3().

Referenced by kernel_path_shader_apply(), kernel_write_data_passes(), shader_bsdf_alpha(), and shadow_handle_transparent_isect().

◆ shader_bssrdf_pick()

ccl_device_inline const ShaderClosure* shader_bssrdf_pick ( ShaderData *  sd,
ccl_addr_space float3 *  throughput,
float *  randu 
)

Definition at line 681 of file kernel_shader.h.

References CLOSURE_IS_BSDF, CLOSURE_IS_BSDF_OR_BSSRDF, CLOSURE_IS_BSSRDF, NULL, r, and ShaderClosure.

◆ shader_constant_emission_eval()

ccl_device bool shader_constant_emission_eval ( KernelGlobals *  kg,
int  shader,
float3 *  eval 
)

Definition at line 977 of file kernel_shader.h.

References kernel_tex_fetch, make_float3, SD_HAS_CONSTANT_EMISSION, shader(), and SHADER_MASK.

Referenced by direct_emissive_eval(), and indirect_background().

◆ shader_cryptomatte_id()

ccl_device float shader_cryptomatte_id ( KernelGlobals *  kg,
int  shader 
)

Definition at line 1361 of file kernel_shader.h.

References kernel_tex_fetch, shader(), and SHADER_MASK.

Referenced by kernel_write_data_passes().

◆ shader_emissive_eval()

ccl_device float3 shader_emissive_eval ( ShaderData *  sd)

Definition at line 1007 of file kernel_shader.h.

References emissive_simple_eval(), SD_EMISSION, and zero_float3().

Referenced by direct_emissive_eval(), and indirect_primitive_emission().

◆ shader_eval_displacement()

ccl_device void shader_eval_displacement ( KernelGlobals *  kg,
ShaderData *  sd,
ccl_addr_space PathState *  state 
)

Definition at line 1316 of file kernel_shader.h.

References eval_displacement(), kg, NULL, SHADER_TYPE_DISPLACEMENT, state, and svm_eval_nodes().

Referenced by kernel_displace_evaluate().

◆ shader_eval_surface()

ccl_device void shader_eval_surface ( KernelGlobals *  kg,
ShaderData *  sd,
ccl_addr_space PathState *  state,
ccl_global float *  buffer,
int  path_flag 
)

Definition at line 1056 of file kernel_shader.h.

References bsdf_alloc(), bsdf_diffuse_setup(), buffer, kernel_data, kg, LAMP_NONE, lcg_state_init_addrspace(), make_float3, NULL, OBJECT_NONE, PATH_RAY_EMISSION, PATH_RAY_SHADOW, PATH_RAY_TERMINATE, PROFILING_INIT, PROFILING_SHADER_EVAL, SD_BSDF_NEEDS_LCG, SD_EMISSION, SHADER_TYPE_SURFACE, state, and svm_eval_nodes().

Referenced by direct_emissive_eval(), indirect_background(), kernel_background_evaluate(), kernel_path_integrate(), kernel_shader_eval(), shadow_handle_transparent_isect(), and subsurface_color_bump_blur().

◆ shader_holdout_apply()

ccl_device float3 shader_holdout_apply ( KernelGlobals *  kg,
ShaderData *  sd 
)

Definition at line 1019 of file kernel_shader.h.

References CLOSURE_IS_BSDF_TRANSPARENT, CLOSURE_IS_HOLDOUT, NBUILTIN_CLOSURES, one_float3(), SD_BSDF, SD_CLOSURE_FLAGS, SD_HAS_ONLY_VOLUME, SD_OBJECT_HOLDOUT_MASK, SD_TRANSPARENT, ShaderClosure, and zero_float3().

Referenced by kernel_path_shader_apply().

◆ shader_prepare_closures()

ccl_device_inline void shader_prepare_closures ( ShaderData *  sd,
ccl_addr_space PathState *  state 
)

Definition at line 527 of file kernel_shader.h.

References CLOSURE_IS_BSDF_OR_BSSRDF, max, ShaderClosure, state, and sum().

Referenced by kernel_path_integrate(), and kernel_shader_eval().

◆ shader_setup_from_background()

ccl_device_inline void shader_setup_from_background ( KernelGlobals *  kg,
ShaderData *  sd,
const Ray *  ray 
)

Definition at line 397 of file kernel_shader.h.

References Ray::D, Ray::dD, differential_incoming(), differential_zero(), kernel_data, kernel_tex_fetch, kg, LAMP_NONE, OBJECT_NONE, Ray::P, PRIM_NONE, PROFILING_INIT, PROFILING_OBJECT, PROFILING_SHADER, PROFILING_SHADER_SETUP, SHADER_MASK, Ray::time, and zero_float3().

Referenced by direct_emissive_eval(), indirect_background(), and kernel_background_evaluate().

◆ shader_setup_from_displace()

ccl_device void shader_setup_from_displace ( KernelGlobals *  kg,
ShaderData *  sd,
int  object,
int  prim,
float  u,
float  v 
)

Definition at line 367 of file kernel_shader.h.

References I, kernel_tex_fetch, kg, LAMP_NONE, P(), SD_OBJECT_TRANSFORM_APPLIED, shader(), shader_setup_from_sample(), SHADER_SMOOTH_NORMAL, triangle_point_normal(), v, and zero_float3().

Referenced by kernel_displace_evaluate().

◆ shader_setup_from_ray()

CCL_NAMESPACE_BEGIN ccl_device_noinline void shader_setup_from_ray ( KernelGlobals *  kg,
ShaderData *  sd,
const Intersection *  isect,
const Ray *  ray 
)

Definition at line 59 of file kernel_shader.h.

References Ray::D, Ray::dD, differential_dudv(), differential_incoming(), differential_transfer(), dot(), Ray::dP, kernel_tex_fetch, kg, LAMP_NONE, motion_triangle_shader_setup(), Intersection::object, object_dir_transform_auto, OBJECT_NONE, object_normal_transform_auto, Intersection::prim, PRIMITIVE_ALL_CURVE, PRIMITIVE_TRIANGLE, PROFILING_INIT, PROFILING_OBJECT, PROFILING_SHADER, PROFILING_SHADER_SETUP, SD_BACKFACING, SHADER_MASK, SHADER_SMOOTH_NORMAL, Intersection::t, Ray::time, triangle_dPdudv(), triangle_normal(), triangle_refine(), triangle_smooth_normal(), Intersection::type, Intersection::u, and Intersection::v.

Referenced by OSLRenderServices::getmessage(), kernel_path_integrate(), kernel_shader_setup(), and shadow_handle_transparent_isect().

◆ shader_setup_from_sample()

ccl_device_inline void shader_setup_from_sample ( KernelGlobals *  kg,
ShaderData *  sd,
const float3  P,
const float3  Ng,
const float3  I,
int  shader,
int  object,
int  prim,
float  u,
float  v,
float  t,
float  time,
bool  object_space,
int  lamp 
)

Definition at line 244 of file kernel_shader.h.

References differential3_zero(), differential_zero(), dot(), I, kernel_tex_fetch, kg, lamp, lamp_fetch_transform(), LAMP_NONE, object_dir_transform_auto, OBJECT_NONE, object_normal_transform_auto, object_position_transform_auto, P(), PRIM_NONE, PRIMITIVE_LAMP, PRIMITIVE_NONE, PRIMITIVE_TRIANGLE, PROFILING_INIT, PROFILING_OBJECT, PROFILING_SHADER, PROFILING_SHADER_SETUP, SD_BACKFACING, SD_OBJECT_TRANSFORM_APPLIED, shader(), SHADER_MASK, SHADER_SMOOTH_NORMAL, t, time, triangle_dPdudv(), triangle_smooth_normal(), v, and zero_float3().

Referenced by direct_emissive_eval(), and shader_setup_from_displace().

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