12 #ifdef __SHADER_RAYTRACE__
21 ccl_device float svm_bevel_cubic_eval(
const float radius,
float r)
23 const float Rm = radius;
29 const float Rm5 = (Rm * Rm) * (Rm * Rm) * Rm;
30 const float f = Rm -
r;
31 const float num = f * f * f;
33 return (10.0f * num) / (Rm5 *
M_PI_F);
36 ccl_device float svm_bevel_cubic_pdf(
const float radius,
float r)
38 return svm_bevel_cubic_eval(radius,
r);
47 const float tolerance = 1e-6f;
48 const int max_iteration_count = 10;
52 for (i = 0; i < max_iteration_count; i++) {
55 float nx = (1.0f -
x);
57 float f = 10.0f *
x2 - 20.0f * x3 + 15.0f *
x2 *
x2 - 4.0f *
x2 * x3 - xi;
58 float f_ = 20.0f * (
x * nx) * (nx * nx);
60 if (
fabsf(f) < tolerance || f_ == 0.0f)
69 ccl_device void svm_bevel_cubic_sample(
const float radius,
75 float r_ = svm_bevel_cubic_quintic_root_find(xi);
90 # ifdef __KERNEL_OPTIX__
102 if (radius <= 0.0f || num_samples < 1 || sd->
object ==
OBJECT_NONE) {
131 float disk_u, disk_v;
135 float3 disk_N, disk_T, disk_B;
136 float pick_pdf_N, pick_pdf_T, pick_pdf_B;
141 float axisu = disk_u;
149 else if (axisu < 0.75f) {
156 disk_u = (disk_u - 0.5f) * 4.0f;
165 disk_u = (disk_u - 0.75f) * 4.0f;
170 float disk_r = disk_v;
174 svm_bevel_cubic_sample(radius, disk_r, &disk_r, &disk_height);
176 float3 disk_P = (disk_r *
cosf(phi)) * disk_T + (disk_r *
sinf(phi)) * disk_B;
180 ray.P = sd->P + disk_N * disk_height + disk_P;
183 ray.tmax = 2.0f * disk_height;
194 scene_intersect_local(kg, &ray, &isect, sd->object, &lcg_state,
LOCAL_MAX_HITS);
198 for (
int hit = 0; hit < num_eval_hits; hit++) {
209 # ifdef __OBJECT_MOTION__
237 float u = isect.
hits[hit].
u;
238 float v = isect.
hits[hit].
v;
243 # ifdef __OBJECT_MOTION__
257 float pdf_N = pick_pdf_N *
fabsf(
dot(disk_N, hit_Ng));
258 float pdf_T = pick_pdf_T *
fabsf(
dot(disk_T, hit_Ng));
259 float pdf_B = pick_pdf_B *
fabsf(
dot(disk_B, hit_Ng));
264 float w = pdf_N / (
sqr(pdf_N) +
sqr(pdf_T) +
sqr(pdf_B));
270 float r =
len(hit_P - sd->P);
273 float pdf = svm_bevel_cubic_pdf(radius,
r);
274 float disk_pdf = svm_bevel_cubic_pdf(radius, disk_r);
288 template<u
int node_feature_mask,
typename ConstIntegratorGenericState>
289 # if defined(__KERNEL_OPTIX__)
296 ConstIntegratorGenericState
state,
310 # ifdef __KERNEL_OPTIX__
319 bevel_N =
normalize(ref_N + (bevel_N - sd->N));
typedef float(TangentPoint)[2]
MINLINE float safe_sqrtf(float a)
_GL_VOID GLfloat value _GL_VOID_RET _GL_VOID const GLuint GLboolean *residences _GL_BOOL_RET _GL_VOID GLsizei GLfloat GLfloat GLfloat GLfloat const GLubyte *bitmap _GL_VOID_RET _GL_VOID GLenum const void *lists _GL_VOID_RET _GL_VOID const GLdouble *equation _GL_VOID_RET _GL_VOID GLdouble GLdouble blue _GL_VOID_RET _GL_VOID GLfloat GLfloat blue _GL_VOID_RET _GL_VOID GLint GLint blue _GL_VOID_RET _GL_VOID GLshort GLshort blue _GL_VOID_RET _GL_VOID GLubyte GLubyte blue _GL_VOID_RET _GL_VOID GLuint GLuint blue _GL_VOID_RET _GL_VOID GLushort GLushort blue _GL_VOID_RET _GL_VOID GLbyte GLbyte GLbyte alpha _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble alpha _GL_VOID_RET _GL_VOID GLfloat GLfloat GLfloat alpha _GL_VOID_RET _GL_VOID GLint GLint GLint alpha _GL_VOID_RET _GL_VOID GLshort GLshort GLshort alpha _GL_VOID_RET _GL_VOID GLubyte GLubyte GLubyte alpha _GL_VOID_RET _GL_VOID GLuint GLuint GLuint alpha _GL_VOID_RET _GL_VOID GLushort GLushort GLushort alpha _GL_VOID_RET _GL_VOID GLenum mode _GL_VOID_RET _GL_VOID GLint GLsizei GLsizei GLenum type _GL_VOID_RET _GL_VOID GLsizei GLenum GLenum const void *pixels _GL_VOID_RET _GL_VOID const void *pointer _GL_VOID_RET _GL_VOID GLdouble v _GL_VOID_RET _GL_VOID GLfloat v _GL_VOID_RET _GL_VOID GLint GLint i2 _GL_VOID_RET _GL_VOID GLint j _GL_VOID_RET _GL_VOID GLfloat param _GL_VOID_RET _GL_VOID GLint param _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble GLdouble GLdouble zFar _GL_VOID_RET _GL_UINT GLdouble *equation _GL_VOID_RET _GL_VOID GLenum GLint *params _GL_VOID_RET _GL_VOID GLenum GLfloat *v _GL_VOID_RET _GL_VOID GLenum GLfloat *params _GL_VOID_RET _GL_VOID GLfloat *values _GL_VOID_RET _GL_VOID GLushort *values _GL_VOID_RET _GL_VOID GLenum GLfloat *params _GL_VOID_RET _GL_VOID GLenum GLdouble *params _GL_VOID_RET _GL_VOID GLenum GLint *params _GL_VOID_RET _GL_VOID GLsizei const void *pointer _GL_VOID_RET _GL_VOID GLsizei const void *pointer _GL_VOID_RET _GL_BOOL GLfloat param _GL_VOID_RET _GL_VOID GLint param _GL_VOID_RET _GL_VOID GLenum GLfloat param _GL_VOID_RET _GL_VOID GLenum GLint param _GL_VOID_RET _GL_VOID GLushort pattern _GL_VOID_RET _GL_VOID GLdouble GLdouble GLint GLint const GLdouble *points _GL_VOID_RET _GL_VOID GLdouble GLdouble GLint GLint GLdouble GLdouble GLint GLint const GLdouble *points _GL_VOID_RET _GL_VOID GLdouble GLdouble u2 _GL_VOID_RET _GL_VOID GLdouble GLdouble GLint GLdouble GLdouble v2 _GL_VOID_RET _GL_VOID GLenum GLfloat param _GL_VOID_RET _GL_VOID GLenum GLint param _GL_VOID_RET _GL_VOID GLenum mode _GL_VOID_RET _GL_VOID GLdouble GLdouble nz _GL_VOID_RET _GL_VOID GLfloat GLfloat nz _GL_VOID_RET _GL_VOID GLint GLint nz _GL_VOID_RET _GL_VOID GLshort GLshort nz _GL_VOID_RET _GL_VOID GLsizei const void *pointer _GL_VOID_RET _GL_VOID GLsizei const GLfloat *values _GL_VOID_RET _GL_VOID GLsizei const GLushort *values _GL_VOID_RET _GL_VOID GLint param _GL_VOID_RET _GL_VOID const GLuint const GLclampf *priorities _GL_VOID_RET _GL_VOID GLdouble y _GL_VOID_RET _GL_VOID GLfloat y _GL_VOID_RET _GL_VOID GLint y _GL_VOID_RET _GL_VOID GLshort y _GL_VOID_RET _GL_VOID GLdouble GLdouble z _GL_VOID_RET _GL_VOID GLfloat GLfloat z _GL_VOID_RET _GL_VOID GLint GLint z _GL_VOID_RET _GL_VOID GLshort GLshort z _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble w _GL_VOID_RET _GL_VOID GLfloat GLfloat GLfloat w _GL_VOID_RET _GL_VOID GLint GLint GLint w _GL_VOID_RET _GL_VOID GLshort GLshort GLshort w _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble y2 _GL_VOID_RET _GL_VOID GLfloat GLfloat GLfloat y2 _GL_VOID_RET _GL_VOID GLint GLint GLint y2 _GL_VOID_RET _GL_VOID GLshort GLshort GLshort y2 _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble z _GL_VOID_RET _GL_VOID GLdouble GLdouble z _GL_VOID_RET _GL_VOID GLuint *buffer _GL_VOID_RET _GL_VOID GLdouble t _GL_VOID_RET _GL_VOID GLfloat t _GL_VOID_RET _GL_VOID GLint t _GL_VOID_RET _GL_VOID GLshort t _GL_VOID_RET _GL_VOID GLdouble GLdouble r _GL_VOID_RET _GL_VOID GLfloat GLfloat r _GL_VOID_RET _GL_VOID GLint GLint r _GL_VOID_RET _GL_VOID GLshort GLshort r _GL_VOID_RET _GL_VOID GLdouble GLdouble r
_GL_VOID GLfloat value _GL_VOID_RET _GL_VOID const GLuint GLboolean *residences _GL_BOOL_RET _GL_VOID GLsizei GLfloat GLfloat GLfloat GLfloat const GLubyte *bitmap _GL_VOID_RET _GL_VOID GLenum const void *lists _GL_VOID_RET _GL_VOID const GLdouble *equation _GL_VOID_RET _GL_VOID GLdouble GLdouble blue _GL_VOID_RET _GL_VOID GLfloat GLfloat blue _GL_VOID_RET _GL_VOID GLint GLint blue _GL_VOID_RET _GL_VOID GLshort GLshort blue _GL_VOID_RET _GL_VOID GLubyte GLubyte blue _GL_VOID_RET _GL_VOID GLuint GLuint blue _GL_VOID_RET _GL_VOID GLushort GLushort blue _GL_VOID_RET _GL_VOID GLbyte GLbyte GLbyte alpha _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble alpha _GL_VOID_RET _GL_VOID GLfloat GLfloat GLfloat alpha _GL_VOID_RET _GL_VOID GLint GLint GLint alpha _GL_VOID_RET _GL_VOID GLshort GLshort GLshort alpha _GL_VOID_RET _GL_VOID GLubyte GLubyte GLubyte alpha _GL_VOID_RET _GL_VOID GLuint GLuint GLuint alpha _GL_VOID_RET _GL_VOID GLushort GLushort GLushort alpha _GL_VOID_RET _GL_VOID GLenum mode _GL_VOID_RET _GL_VOID GLint GLsizei GLsizei GLenum type _GL_VOID_RET _GL_VOID GLsizei GLenum GLenum const void *pixels _GL_VOID_RET _GL_VOID const void *pointer _GL_VOID_RET _GL_VOID GLdouble v _GL_VOID_RET _GL_VOID GLfloat v _GL_VOID_RET _GL_VOID GLint GLint i2 _GL_VOID_RET _GL_VOID GLint j _GL_VOID_RET _GL_VOID GLfloat param _GL_VOID_RET _GL_VOID GLint param _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble GLdouble GLdouble zFar _GL_VOID_RET _GL_UINT GLdouble *equation _GL_VOID_RET _GL_VOID GLenum GLint *params _GL_VOID_RET _GL_VOID GLenum GLfloat *v _GL_VOID_RET _GL_VOID GLenum GLfloat *params _GL_VOID_RET _GL_VOID GLfloat *values _GL_VOID_RET _GL_VOID GLushort *values _GL_VOID_RET _GL_VOID GLenum GLfloat *params _GL_VOID_RET _GL_VOID GLenum GLdouble *params _GL_VOID_RET _GL_VOID GLenum GLint *params _GL_VOID_RET _GL_VOID GLsizei const void *pointer _GL_VOID_RET _GL_VOID GLsizei const void *pointer _GL_VOID_RET _GL_BOOL GLfloat param _GL_VOID_RET _GL_VOID GLint param _GL_VOID_RET _GL_VOID GLenum GLfloat param _GL_VOID_RET _GL_VOID GLenum GLint param _GL_VOID_RET _GL_VOID GLushort pattern _GL_VOID_RET _GL_VOID GLdouble GLdouble GLint GLint const GLdouble *points _GL_VOID_RET _GL_VOID GLdouble GLdouble GLint GLint GLdouble GLdouble GLint GLint const GLdouble *points _GL_VOID_RET _GL_VOID GLdouble GLdouble u2 _GL_VOID_RET _GL_VOID GLdouble GLdouble GLint GLdouble GLdouble v2 _GL_VOID_RET _GL_VOID GLenum GLfloat param _GL_VOID_RET _GL_VOID GLenum GLint param _GL_VOID_RET _GL_VOID GLenum mode _GL_VOID_RET _GL_VOID GLdouble GLdouble nz _GL_VOID_RET _GL_VOID GLfloat GLfloat nz _GL_VOID_RET _GL_VOID GLint GLint nz _GL_VOID_RET _GL_VOID GLshort GLshort nz _GL_VOID_RET _GL_VOID GLsizei const void *pointer _GL_VOID_RET _GL_VOID GLsizei const GLfloat *values _GL_VOID_RET _GL_VOID GLsizei const GLushort *values _GL_VOID_RET _GL_VOID GLint param _GL_VOID_RET _GL_VOID const GLuint const GLclampf *priorities _GL_VOID_RET _GL_VOID GLdouble y _GL_VOID_RET _GL_VOID GLfloat y _GL_VOID_RET _GL_VOID GLint y _GL_VOID_RET _GL_VOID GLshort y _GL_VOID_RET _GL_VOID GLdouble GLdouble z _GL_VOID_RET _GL_VOID GLfloat GLfloat z _GL_VOID_RET _GL_VOID GLint GLint z _GL_VOID_RET _GL_VOID GLshort GLshort z _GL_VOID_RET _GL_VOID GLdouble GLdouble GLdouble w _GL_VOID_RET _GL_VOID GLfloat GLfloat GLfloat w _GL_VOID_RET _GL_VOID GLint GLint GLint w _GL_VOID_RET _GL_VOID GLshort GLshort GLshort w _GL_VOID_RET _GL_VOID GLdouble GLdouble x2
ATTR_WARN_UNUSED_RESULT const BMVert * v
SIMD_FORCE_INLINE const btScalar & w() const
Return the w value.
#define ccl_device_forceinline
#define ccl_optional_struct_init
#define ccl_device_inline
#define ccl_device_noinline
#define CCL_NAMESPACE_END
const KernelGlobalsCPU *ccl_restrict KernelGlobals
#define kernel_data_fetch(name, index)
ccl_device_forceinline float differential_zero_compact()
ccl_gpu_kernel_postfix ccl_global float int int int int ccl_global const float int int int int int int int int int int int int num_samples
ccl_device_inline void object_normal_transform(KernelGlobals kg, ccl_private const ShaderData *sd, ccl_private float3 *N)
ccl_device_inline void stack_store_float3(ccl_private float *stack, uint a, float3 f)
CCL_NAMESPACE_BEGIN ccl_device_inline float3 stack_load_float3(ccl_private float *stack, uint a)
ccl_device_inline float stack_load_float(ccl_private float *stack, uint a)
ccl_device_forceinline void svm_unpack_node_uchar4(uint i, ccl_private uint *x, ccl_private uint *y, ccl_private uint *z, ccl_private uint *w)
ccl_device_inline bool stack_valid(uint a)
@ PRIMITIVE_MOTION_TRIANGLE
#define IF_KERNEL_NODES_FEATURE(feature)
@ SD_OBJECT_TRANSFORM_APPLIED
@ SD_OBJECT_NEGATIVE_SCALE_APPLIED
ccl_device_inline uint lcg_state_init(const uint rng_hash, const uint rng_offset, const uint sample, const uint scramble)
ccl_device_inline float2 safe_normalize(const float2 &a)
ccl_device_inline float3 motion_triangle_smooth_normal(KernelGlobals kg, float3 Ng, int object, int prim, float u, float v, float time)
ccl_device_inline void motion_triangle_vertices(KernelGlobals kg, int object, int prim, float time, float3 verts[3])
CCL_NAMESPACE_BEGIN ccl_device_inline float3 motion_triangle_point_from_uv(KernelGlobals kg, ccl_private ShaderData *sd, const int isect_object, const int isect_prim, const float u, const float v, float3 verts[3])
T dot(const vec_base< T, Size > &a, const vec_base< T, Size > &b)
vec_base< T, Size > normalize(const vec_base< T, Size > &v)
ccl_device_inline void path_branched_rng_2D(KernelGlobals kg, ccl_private const RNGState *rng_state, int branch, int num_branches, int dimension, ccl_private float *fx, ccl_private float *fy)
ccl_device_inline void path_state_rng_load(ConstIntegratorState state, ccl_private RNGState *rng_state)
const IntegratorStateCPU *ccl_restrict ConstIntegratorState
#define INTEGRATOR_STATE(state, nested_struct, member)
struct Intersection hits[LOCAL_MAX_HITS]
float3 Ng[LOCAL_MAX_HITS]
ccl_device_inline float3 triangle_smooth_normal(KernelGlobals kg, float3 Ng, int prim, float u, float v)
ccl_device_inline float3 triangle_point_from_uv(KernelGlobals kg, ccl_private ShaderData *sd, const int isect_object, const int isect_prim, const float u, const float v)
ccl_device_inline float sqr(float a)
ccl_device_inline float saturatef(float a)
ccl_device_inline void make_orthonormals(const float3 N, ccl_private float3 *a, ccl_private float3 *b)