Page MenuHome
Differential D12888 Diff 43495 intern/cycles/kernel/geom/geom_shader_data.h

Changeset View

Standalone View

View Options

intern/cycles/kernel/geom/geom_shader_data.h

Show All 19 Lines
#pragma once #pragma once
CCL_NAMESPACE_BEGIN CCL_NAMESPACE_BEGIN
/* ShaderData setup from incoming ray */ /* ShaderData setup from incoming ray */
#ifdef __OBJECT_MOTION__ #ifdef __OBJECT_MOTION__
ccl_device void shader_setup_object_transforms(ccl_global const KernelGlobals *ccl_restrict kg, ccl_device void shader_setup_object_transforms(KernelGlobals kg,
ccl_private ShaderData *ccl_restrict sd, ccl_private ShaderData *ccl_restrict sd,
float time) float time)
{ {
if (sd->object_flag & SD_OBJECT_MOTION) { if (sd->object_flag & SD_OBJECT_MOTION) {
sd->ob_tfm_motion = object_fetch_transform_motion(kg, sd->object, time); sd->ob_tfm_motion = object_fetch_transform_motion(kg, sd->object, time);
sd->ob_itfm_motion = transform_quick_inverse(sd->ob_tfm_motion); sd->ob_itfm_motion = transform_quick_inverse(sd->ob_tfm_motion);
} }
} }
#endif #endif
/* TODO: break this up if it helps reduce register pressure to load data from /* TODO: break this up if it helps reduce register pressure to load data from
* global memory as we write it to shader-data. */ * global memory as we write it to shader-data. */
ccl_device_inline void shader_setup_from_ray(ccl_global const KernelGlobals *ccl_restrict kg, ccl_device_inline void shader_setup_from_ray(KernelGlobals kg,
ccl_private ShaderData *ccl_restrict sd, ccl_private ShaderData *ccl_restrict sd,
ccl_private const Ray *ccl_restrict ray, ccl_private const Ray *ccl_restrict ray,
ccl_private const Intersection *ccl_restrict isect) ccl_private const Intersection *ccl_restrict isect)
{ {
/* Read intersection data into shader globals. /* Read intersection data into shader globals.
* *
* TODO: this is redundant, could potentially remove some of this from * TODO: this is redundant, could potentially remove some of this from
* ShaderData but would need to ensure that it also works for shadow * ShaderData but would need to ensure that it also works for shadow
▲ Show 20 Lines • Show All 80 Lines • ▼ Show 20 Lines#ifdef __RAY_DIFFERENTIALS__
differential_transfer_compact(&sd->dP, ray->dP, ray->D, ray->dD, sd->Ng, sd->ray_length); differential_transfer_compact(&sd->dP, ray->dP, ray->D, ray->dD, sd->Ng, sd->ray_length);
differential_incoming_compact(&sd->dI, ray->D, ray->dD); differential_incoming_compact(&sd->dI, ray->D, ray->dD);
differential_dudv(&sd->du, &sd->dv, sd->dPdu, sd->dPdv, sd->dP, sd->Ng); differential_dudv(&sd->du, &sd->dv, sd->dPdu, sd->dPdv, sd->dP, sd->Ng);
#endif #endif
} }
/* ShaderData setup from position sampled on mesh */ /* ShaderData setup from position sampled on mesh */
ccl_device_inline void shader_setup_from_sample(ccl_global const KernelGlobals *ccl_restrict kg, ccl_device_inline void shader_setup_from_sample(KernelGlobals kg,
ccl_private ShaderData *ccl_restrict sd, ccl_private ShaderData *ccl_restrict sd,
const float3 P, const float3 P,
const float3 Ng, const float3 Ng,
const float3 I, const float3 I,
int shader, int shader,
int object, int object,
int prim, int prim,
float u, float u,
▲ Show 20 Lines • Show All 95 Lines • ▼ Show 20 Lines#ifdef __RAY_DIFFERENTIALS__
sd->dI = differential3_zero(); sd->dI = differential3_zero();
sd->du = differential_zero(); sd->du = differential_zero();
sd->dv = differential_zero(); sd->dv = differential_zero();
#endif #endif
} }
/* ShaderData setup for displacement */ /* ShaderData setup for displacement */
ccl_device void shader_setup_from_displace(ccl_global const KernelGlobals *ccl_restrict kg, ccl_device void shader_setup_from_displace(KernelGlobals kg,
ccl_private ShaderData *ccl_restrict sd, ccl_private ShaderData *ccl_restrict sd,
int object, int object,
int prim, int prim,
float u, float u,
float v) float v)
{ {
float3 P, Ng, I = zero_float3(); float3 P, Ng, I = zero_float3();
int shader; int shader;
Show All 17 Lines shader_setup_from_sample(
0.0f, 0.0f,
0.5f, 0.5f,
!(kernel_tex_fetch(__object_flag, object) & SD_OBJECT_TRANSFORM_APPLIED), !(kernel_tex_fetch(__object_flag, object) & SD_OBJECT_TRANSFORM_APPLIED),
LAMP_NONE); LAMP_NONE);
} }
/* ShaderData setup from ray into background */ /* ShaderData setup from ray into background */
ccl_device_inline void shader_setup_from_background(ccl_global const KernelGlobals *ccl_restrict ccl_device_inline void shader_setup_from_background(KernelGlobals kg,
kg,
ccl_private ShaderData *ccl_restrict sd, ccl_private ShaderData *ccl_restrict sd,
const float3 ray_P, const float3 ray_P,
const float3 ray_D, const float3 ray_D,
const float ray_time) const float ray_time)
{ {
/* for NDC coordinates */ /* for NDC coordinates */
sd->ray_P = ray_P; sd->ray_P = ray_P;
Show All 27 Lines#ifdef __RAY_DIFFERENTIALS__
sd->du = differential_zero(); sd->du = differential_zero();
sd->dv = differential_zero(); sd->dv = differential_zero();
#endif #endif
} }
/* ShaderData setup from point inside volume */ /* ShaderData setup from point inside volume */
#ifdef __VOLUME__ #ifdef __VOLUME__
ccl_device_inline void shader_setup_from_volume(ccl_global const KernelGlobals *ccl_restrict kg, ccl_device_inline void shader_setup_from_volume(KernelGlobals kg,
ccl_private ShaderData *ccl_restrict sd, ccl_private ShaderData *ccl_restrict sd,
ccl_private const Ray *ccl_restrict ray) ccl_private const Ray *ccl_restrict ray)
{ {
/* vectors */ /* vectors */
sd->P = ray->P; sd->P = ray->P;
sd->N = -ray->D; sd->N = -ray->D;
sd->Ng = -ray->D; sd->Ng = -ray->D;
Show All 36 Lines