mirror of
https://github.com/godotengine/godot.git
synced 2025-10-31 13:41:03 +00:00
767e374dce
Since Embree v3.13.0 supports AARCH64, switch back to the official repo instead of using Embree-aarch64. `thirdparty/embree/patches/godot-changes.patch` should now contain an accurate diff of the changes done to the library.
1517 lines
60 KiB
C++
1517 lines
60 KiB
C++
// Copyright 2009-2021 Intel Corporation
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#pragma once
|
|
|
|
#include "default.h"
|
|
#include "instance_stack.h"
|
|
|
|
// FIXME: if ray gets seperated into ray* and hit, uload4 needs to be adjusted
|
|
|
|
namespace embree
|
|
{
|
|
static const size_t MAX_INTERNAL_STREAM_SIZE = 32;
|
|
|
|
/* Ray structure for K rays */
|
|
template<int K>
|
|
struct RayK
|
|
{
|
|
/* Default construction does nothing */
|
|
__forceinline RayK() {}
|
|
|
|
/* Constructs a ray from origin, direction, and ray segment. Near
|
|
* has to be smaller than far */
|
|
__forceinline RayK(const Vec3vf<K>& org, const Vec3vf<K>& dir,
|
|
const vfloat<K>& tnear = zero, const vfloat<K>& tfar = inf,
|
|
const vfloat<K>& time = zero, const vint<K>& mask = -1, const vint<K>& id = 0, const vint<K>& flags = 0)
|
|
: org(org), dir(dir), _tnear(tnear), tfar(tfar), _time(time), mask(mask), id(id), flags(flags) {}
|
|
|
|
/* Returns the size of the ray */
|
|
static __forceinline size_t size() { return K; }
|
|
|
|
/* Calculates if this is a valid ray that does not cause issues during traversal */
|
|
__forceinline vbool<K> valid() const
|
|
{
|
|
const vbool<K> vx = (abs(org.x) <= vfloat<K>(FLT_LARGE)) & (abs(dir.x) <= vfloat<K>(FLT_LARGE));
|
|
const vbool<K> vy = (abs(org.y) <= vfloat<K>(FLT_LARGE)) & (abs(dir.y) <= vfloat<K>(FLT_LARGE));
|
|
const vbool<K> vz = (abs(org.z) <= vfloat<K>(FLT_LARGE)) & (abs(dir.z) <= vfloat<K>(FLT_LARGE));
|
|
const vbool<K> vn = abs(tnear()) <= vfloat<K>(inf);
|
|
const vbool<K> vf = abs(tfar) <= vfloat<K>(inf);
|
|
return vx & vy & vz & vn & vf;
|
|
}
|
|
|
|
__forceinline void get(RayK<1>* ray) const;
|
|
__forceinline void get(size_t i, RayK<1>& ray) const;
|
|
__forceinline void set(const RayK<1>* ray);
|
|
__forceinline void set(size_t i, const RayK<1>& ray);
|
|
|
|
__forceinline void copy(size_t dest, size_t source);
|
|
|
|
__forceinline vint<K> octant() const
|
|
{
|
|
return select(dir.x < 0.0f, vint<K>(1), vint<K>(zero)) |
|
|
select(dir.y < 0.0f, vint<K>(2), vint<K>(zero)) |
|
|
select(dir.z < 0.0f, vint<K>(4), vint<K>(zero));
|
|
}
|
|
|
|
/* Ray data */
|
|
Vec3vf<K> org; // ray origin
|
|
vfloat<K> _tnear; // start of ray segment
|
|
Vec3vf<K> dir; // ray direction
|
|
vfloat<K> _time; // time of this ray for motion blur
|
|
vfloat<K> tfar; // end of ray segment
|
|
vint<K> mask; // used to mask out objects during traversal
|
|
vint<K> id;
|
|
vint<K> flags;
|
|
|
|
__forceinline vfloat<K>& tnear() { return _tnear; }
|
|
__forceinline vfloat<K>& time() { return _time; }
|
|
__forceinline const vfloat<K>& tnear() const { return _tnear; }
|
|
__forceinline const vfloat<K>& time() const { return _time; }
|
|
};
|
|
|
|
/* Ray+hit structure for K rays */
|
|
template<int K>
|
|
struct RayHitK : RayK<K>
|
|
{
|
|
using RayK<K>::org;
|
|
using RayK<K>::_tnear;
|
|
using RayK<K>::dir;
|
|
using RayK<K>::_time;
|
|
using RayK<K>::tfar;
|
|
using RayK<K>::mask;
|
|
using RayK<K>::id;
|
|
using RayK<K>::flags;
|
|
|
|
using RayK<K>::tnear;
|
|
using RayK<K>::time;
|
|
|
|
/* Default construction does nothing */
|
|
__forceinline RayHitK() {}
|
|
|
|
/* Constructs a ray from origin, direction, and ray segment. Near
|
|
* has to be smaller than far */
|
|
__forceinline RayHitK(const Vec3vf<K>& org, const Vec3vf<K>& dir,
|
|
const vfloat<K>& tnear = zero, const vfloat<K>& tfar = inf,
|
|
const vfloat<K>& time = zero, const vint<K>& mask = -1, const vint<K>& id = 0, const vint<K>& flags = 0)
|
|
: RayK<K>(org, dir, tnear, tfar, time, mask, id, flags),
|
|
geomID(RTC_INVALID_GEOMETRY_ID)
|
|
{
|
|
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
|
|
instID[l] = RTC_INVALID_GEOMETRY_ID;
|
|
}
|
|
|
|
__forceinline RayHitK(const RayK<K>& ray)
|
|
: RayK<K>(ray),
|
|
geomID(RTC_INVALID_GEOMETRY_ID)
|
|
{
|
|
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
|
|
instID[l] = RTC_INVALID_GEOMETRY_ID;
|
|
}
|
|
|
|
__forceinline RayHitK<K>& operator =(const RayK<K>& ray)
|
|
{
|
|
org = ray.org;
|
|
_tnear = ray._tnear;
|
|
dir = ray.dir;
|
|
_time = ray._time;
|
|
tfar = ray.tfar;
|
|
mask = ray.mask;
|
|
id = ray.id;
|
|
flags = ray.flags;
|
|
|
|
geomID = RTC_INVALID_GEOMETRY_ID;
|
|
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
|
|
instID[l] = RTC_INVALID_GEOMETRY_ID;
|
|
|
|
return *this;
|
|
}
|
|
|
|
/* Calculates if the hit is valid */
|
|
__forceinline void verifyHit(const vbool<K>& valid0) const
|
|
{
|
|
vbool<K> valid = valid0 & geomID != vuint<K>(RTC_INVALID_GEOMETRY_ID);
|
|
const vbool<K> vt = (abs(tfar) <= vfloat<K>(FLT_LARGE)) | (tfar == vfloat<K>(neg_inf));
|
|
const vbool<K> vu = (abs(u) <= vfloat<K>(FLT_LARGE));
|
|
const vbool<K> vv = (abs(u) <= vfloat<K>(FLT_LARGE));
|
|
const vbool<K> vnx = abs(Ng.x) <= vfloat<K>(FLT_LARGE);
|
|
const vbool<K> vny = abs(Ng.y) <= vfloat<K>(FLT_LARGE);
|
|
const vbool<K> vnz = abs(Ng.z) <= vfloat<K>(FLT_LARGE);
|
|
if (any(valid & !vt)) throw_RTCError(RTC_ERROR_UNKNOWN,"invalid t");
|
|
if (any(valid & !vu)) throw_RTCError(RTC_ERROR_UNKNOWN,"invalid u");
|
|
if (any(valid & !vv)) throw_RTCError(RTC_ERROR_UNKNOWN,"invalid v");
|
|
if (any(valid & !vnx)) throw_RTCError(RTC_ERROR_UNKNOWN,"invalid Ng.x");
|
|
if (any(valid & !vny)) throw_RTCError(RTC_ERROR_UNKNOWN,"invalid Ng.y");
|
|
if (any(valid & !vnz)) throw_RTCError(RTC_ERROR_UNKNOWN,"invalid Ng.z");
|
|
}
|
|
|
|
__forceinline void get(RayHitK<1>* ray) const;
|
|
__forceinline void get(size_t i, RayHitK<1>& ray) const;
|
|
__forceinline void set(const RayHitK<1>* ray);
|
|
__forceinline void set(size_t i, const RayHitK<1>& ray);
|
|
|
|
__forceinline void copy(size_t dest, size_t source);
|
|
|
|
/* Hit data */
|
|
Vec3vf<K> Ng; // geometry normal
|
|
vfloat<K> u; // barycentric u coordinate of hit
|
|
vfloat<K> v; // barycentric v coordinate of hit
|
|
vuint<K> primID; // primitive ID
|
|
vuint<K> geomID; // geometry ID
|
|
vuint<K> instID[RTC_MAX_INSTANCE_LEVEL_COUNT]; // instance ID
|
|
};
|
|
|
|
/* Specialization for a single ray */
|
|
template<>
|
|
struct RayK<1>
|
|
{
|
|
/* Default construction does nothing */
|
|
__forceinline RayK() {}
|
|
|
|
/* Constructs a ray from origin, direction, and ray segment. Near
|
|
* has to be smaller than far */
|
|
__forceinline RayK(const Vec3fa& org, const Vec3fa& dir, float tnear = zero, float tfar = inf, float time = zero, int mask = -1, int id = 0, int flags = 0)
|
|
: org(org,tnear), dir(dir,time), tfar(tfar), mask(mask), id(id), flags(flags) {}
|
|
|
|
/* Calculates if this is a valid ray that does not cause issues during traversal */
|
|
__forceinline bool valid() const {
|
|
return all(le_mask(abs(Vec3fa(org)), Vec3fa(FLT_LARGE)) & le_mask(abs(Vec3fa(dir)), Vec3fa(FLT_LARGE))) && abs(tnear()) <= float(inf) && abs(tfar) <= float(inf);
|
|
}
|
|
|
|
/* Ray data */
|
|
Vec3ff org; // 3 floats for ray origin, 1 float for tnear
|
|
//float tnear; // start of ray segment
|
|
Vec3ff dir; // 3 floats for ray direction, 1 float for time
|
|
// float time;
|
|
float tfar; // end of ray segment
|
|
int mask; // used to mask out objects during traversal
|
|
int id; // ray ID
|
|
int flags; // ray flags
|
|
|
|
__forceinline float& tnear() { return org.w; };
|
|
__forceinline const float& tnear() const { return org.w; };
|
|
|
|
__forceinline float& time() { return dir.w; };
|
|
__forceinline const float& time() const { return dir.w; };
|
|
|
|
};
|
|
|
|
template<>
|
|
struct RayHitK<1> : RayK<1>
|
|
{
|
|
/* Default construction does nothing */
|
|
__forceinline RayHitK() {}
|
|
|
|
/* Constructs a ray from origin, direction, and ray segment. Near
|
|
* has to be smaller than far */
|
|
__forceinline RayHitK(const Vec3fa& org, const Vec3fa& dir, float tnear = zero, float tfar = inf, float time = zero, int mask = -1, int id = 0, int flags = 0)
|
|
: RayK<1>(org, dir, tnear, tfar, time, mask, id, flags),
|
|
geomID(RTC_INVALID_GEOMETRY_ID) {}
|
|
|
|
__forceinline RayHitK(const RayK<1>& ray)
|
|
: RayK<1>(ray),
|
|
geomID(RTC_INVALID_GEOMETRY_ID) {}
|
|
|
|
__forceinline RayHitK<1>& operator =(const RayK<1>& ray)
|
|
{
|
|
org = ray.org;
|
|
dir = ray.dir;
|
|
tfar = ray.tfar;
|
|
mask = ray.mask;
|
|
id = ray.id;
|
|
flags = ray.flags;
|
|
|
|
geomID = RTC_INVALID_GEOMETRY_ID;
|
|
|
|
return *this;
|
|
}
|
|
|
|
/* Calculates if the hit is valid */
|
|
__forceinline void verifyHit() const
|
|
{
|
|
if (geomID == RTC_INVALID_GEOMETRY_ID) return;
|
|
const bool vt = (abs(tfar) <= FLT_LARGE) || (tfar == float(neg_inf));
|
|
const bool vu = (abs(u) <= FLT_LARGE);
|
|
const bool vv = (abs(u) <= FLT_LARGE);
|
|
const bool vnx = abs(Ng.x) <= FLT_LARGE;
|
|
const bool vny = abs(Ng.y) <= FLT_LARGE;
|
|
const bool vnz = abs(Ng.z) <= FLT_LARGE;
|
|
if (!vt) throw_RTCError(RTC_ERROR_UNKNOWN, "invalid t");
|
|
if (!vu) throw_RTCError(RTC_ERROR_UNKNOWN, "invalid u");
|
|
if (!vv) throw_RTCError(RTC_ERROR_UNKNOWN, "invalid v");
|
|
if (!vnx) throw_RTCError(RTC_ERROR_UNKNOWN, "invalid Ng.x");
|
|
if (!vny) throw_RTCError(RTC_ERROR_UNKNOWN, "invalid Ng.y");
|
|
if (!vnz) throw_RTCError(RTC_ERROR_UNKNOWN, "invalid Ng.z");
|
|
}
|
|
|
|
/* Hit data */
|
|
Vec3f Ng; // not normalized geometry normal
|
|
float u; // barycentric u coordinate of hit
|
|
float v; // barycentric v coordinate of hit
|
|
unsigned int primID; // primitive ID
|
|
unsigned int geomID; // geometry ID
|
|
unsigned int instID[RTC_MAX_INSTANCE_LEVEL_COUNT]; // instance ID
|
|
};
|
|
|
|
/* Converts ray packet to single rays */
|
|
template<int K>
|
|
__forceinline void RayK<K>::get(RayK<1>* ray) const
|
|
{
|
|
for (size_t i = 0; i < K; i++) // FIXME: use SIMD transpose
|
|
{
|
|
ray[i].org.x = org.x[i]; ray[i].org.y = org.y[i]; ray[i].org.z = org.z[i]; ray[i].tnear() = tnear()[i];
|
|
ray[i].dir.x = dir.x[i]; ray[i].dir.y = dir.y[i]; ray[i].dir.z = dir.z[i]; ray[i].time() = time()[i];
|
|
ray[i].tfar = tfar[i]; ray[i].mask = mask[i]; ray[i].id = id[i]; ray[i].flags = flags[i];
|
|
}
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void RayHitK<K>::get(RayHitK<1>* ray) const
|
|
{
|
|
// FIXME: use SIMD transpose
|
|
for (size_t i = 0; i < K; i++)
|
|
get(i, ray[i]);
|
|
}
|
|
|
|
/* Extracts a single ray out of a ray packet*/
|
|
template<int K>
|
|
__forceinline void RayK<K>::get(size_t i, RayK<1>& ray) const
|
|
{
|
|
ray.org.x = org.x[i]; ray.org.y = org.y[i]; ray.org.z = org.z[i]; ray.tnear() = tnear()[i];
|
|
ray.dir.x = dir.x[i]; ray.dir.y = dir.y[i]; ray.dir.z = dir.z[i]; ray.time() = time()[i];
|
|
ray.tfar = tfar[i]; ray.mask = mask[i]; ray.id = id[i]; ray.flags = flags[i];
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void RayHitK<K>::get(size_t i, RayHitK<1>& ray) const
|
|
{
|
|
ray.org.x = org.x[i]; ray.org.y = org.y[i]; ray.org.z = org.z[i]; ray.tnear() = tnear()[i];
|
|
ray.dir.x = dir.x[i]; ray.dir.y = dir.y[i]; ray.dir.z = dir.z[i]; ray.tfar = tfar[i]; ray.time() = time()[i];
|
|
ray.mask = mask[i]; ray.id = id[i]; ray.flags = flags[i];
|
|
ray.Ng.x = Ng.x[i]; ray.Ng.y = Ng.y[i]; ray.Ng.z = Ng.z[i];
|
|
ray.u = u[i]; ray.v = v[i];
|
|
ray.primID = primID[i]; ray.geomID = geomID[i];
|
|
|
|
instance_id_stack::copy_VU<K>(instID, ray.instID, i);
|
|
}
|
|
|
|
/* Converts single rays to ray packet */
|
|
template<int K>
|
|
__forceinline void RayK<K>::set(const RayK<1>* ray)
|
|
{
|
|
// FIXME: use SIMD transpose
|
|
for (size_t i = 0; i < K; i++)
|
|
set(i, ray[i]);
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void RayHitK<K>::set(const RayHitK<1>* ray)
|
|
{
|
|
// FIXME: use SIMD transpose
|
|
for (size_t i = 0; i < K; i++)
|
|
set(i, ray[i]);
|
|
}
|
|
|
|
/* inserts a single ray into a ray packet element */
|
|
template<int K>
|
|
__forceinline void RayK<K>::set(size_t i, const RayK<1>& ray)
|
|
{
|
|
org.x[i] = ray.org.x; org.y[i] = ray.org.y; org.z[i] = ray.org.z; tnear()[i] = ray.tnear();
|
|
dir.x[i] = ray.dir.x; dir.y[i] = ray.dir.y; dir.z[i] = ray.dir.z; time()[i] = ray.time();
|
|
tfar[i] = ray.tfar; mask[i] = ray.mask; id[i] = ray.id; flags[i] = ray.flags;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void RayHitK<K>::set(size_t i, const RayHitK<1>& ray)
|
|
{
|
|
org.x[i] = ray.org.x; org.y[i] = ray.org.y; org.z[i] = ray.org.z; tnear()[i] = ray.tnear();
|
|
dir.x[i] = ray.dir.x; dir.y[i] = ray.dir.y; dir.z[i] = ray.dir.z; time()[i] = ray.time();
|
|
tfar[i] = ray.tfar; mask[i] = ray.mask; id[i] = ray.id; flags[i] = ray.flags;
|
|
Ng.x[i] = ray.Ng.x; Ng.y[i] = ray.Ng.y; Ng.z[i] = ray.Ng.z;
|
|
u[i] = ray.u; v[i] = ray.v;
|
|
primID[i] = ray.primID; geomID[i] = ray.geomID;
|
|
|
|
instance_id_stack::copy_UV<K>(ray.instID, instID, i);
|
|
}
|
|
|
|
/* copies a ray packet element into another element*/
|
|
template<int K>
|
|
__forceinline void RayK<K>::copy(size_t dest, size_t source)
|
|
{
|
|
org.x[dest] = org.x[source]; org.y[dest] = org.y[source]; org.z[dest] = org.z[source]; tnear()[dest] = tnear()[source];
|
|
dir.x[dest] = dir.x[source]; dir.y[dest] = dir.y[source]; dir.z[dest] = dir.z[source]; time()[dest] = time()[source];
|
|
tfar [dest] = tfar[source]; mask[dest] = mask[source]; id[dest] = id[source]; flags[dest] = flags[source];
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void RayHitK<K>::copy(size_t dest, size_t source)
|
|
{
|
|
org.x[dest] = org.x[source]; org.y[dest] = org.y[source]; org.z[dest] = org.z[source]; tnear()[dest] = tnear()[source];
|
|
dir.x[dest] = dir.x[source]; dir.y[dest] = dir.y[source]; dir.z[dest] = dir.z[source]; time()[dest] = time()[source];
|
|
tfar [dest] = tfar[source]; mask[dest] = mask[source]; id[dest] = id[source]; flags[dest] = flags[source];
|
|
Ng.x[dest] = Ng.x[source]; Ng.y[dest] = Ng.y[source]; Ng.z[dest] = Ng.z[source];
|
|
u[dest] = u[source]; v[dest] = v[source];
|
|
primID[dest] = primID[source]; geomID[dest] = geomID[source];
|
|
|
|
instance_id_stack::copy_VV<K>(instID, instID, source, dest);
|
|
}
|
|
|
|
/* Shortcuts */
|
|
typedef RayK<1> Ray;
|
|
typedef RayK<4> Ray4;
|
|
typedef RayK<8> Ray8;
|
|
typedef RayK<16> Ray16;
|
|
struct RayN;
|
|
|
|
typedef RayHitK<1> RayHit;
|
|
typedef RayHitK<4> RayHit4;
|
|
typedef RayHitK<8> RayHit8;
|
|
typedef RayHitK<16> RayHit16;
|
|
struct RayHitN;
|
|
|
|
template<int K, bool intersect>
|
|
struct RayTypeHelper;
|
|
|
|
template<int K>
|
|
struct RayTypeHelper<K, true>
|
|
{
|
|
typedef RayHitK<K> Ty;
|
|
};
|
|
|
|
template<int K>
|
|
struct RayTypeHelper<K, false>
|
|
{
|
|
typedef RayK<K> Ty;
|
|
};
|
|
|
|
template<bool intersect>
|
|
using RayType = typename RayTypeHelper<1, intersect>::Ty;
|
|
|
|
template<int K, bool intersect>
|
|
using RayTypeK = typename RayTypeHelper<K, intersect>::Ty;
|
|
|
|
/* Outputs ray to stream */
|
|
template<int K>
|
|
__forceinline embree_ostream operator <<(embree_ostream cout, const RayK<K>& ray)
|
|
{
|
|
return cout << "{ " << embree_endl
|
|
<< " org = " << ray.org << embree_endl
|
|
<< " dir = " << ray.dir << embree_endl
|
|
<< " near = " << ray.tnear() << embree_endl
|
|
<< " far = " << ray.tfar << embree_endl
|
|
<< " time = " << ray.time() << embree_endl
|
|
<< " mask = " << ray.mask << embree_endl
|
|
<< " id = " << ray.id << embree_endl
|
|
<< " flags = " << ray.flags << embree_endl
|
|
<< "}";
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline embree_ostream operator <<(embree_ostream cout, const RayHitK<K>& ray)
|
|
{
|
|
cout << "{ " << embree_endl
|
|
<< " org = " << ray.org << embree_endl
|
|
<< " dir = " << ray.dir << embree_endl
|
|
<< " near = " << ray.tnear() << embree_endl
|
|
<< " far = " << ray.tfar << embree_endl
|
|
<< " time = " << ray.time() << embree_endl
|
|
<< " mask = " << ray.mask << embree_endl
|
|
<< " id = " << ray.id << embree_endl
|
|
<< " flags = " << ray.flags << embree_endl
|
|
<< " Ng = " << ray.Ng
|
|
<< " u = " << ray.u << embree_endl
|
|
<< " v = " << ray.v << embree_endl
|
|
<< " primID = " << ray.primID << embree_endl
|
|
<< " geomID = " << ray.geomID << embree_endl
|
|
<< " instID =";
|
|
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
|
|
{
|
|
cout << " " << ray.instID[l];
|
|
}
|
|
cout << embree_endl;
|
|
return cout << "}";
|
|
}
|
|
|
|
struct RayStreamSOA
|
|
{
|
|
__forceinline RayStreamSOA(void* rays, size_t N)
|
|
: ptr((char*)rays), N(N) {}
|
|
|
|
/* ray data access functions */
|
|
__forceinline float* org_x(size_t offset = 0) { return (float*)&ptr[0*4*N+offset]; } // x coordinate of ray origin
|
|
__forceinline float* org_y(size_t offset = 0) { return (float*)&ptr[1*4*N+offset]; } // y coordinate of ray origin
|
|
__forceinline float* org_z(size_t offset = 0) { return (float*)&ptr[2*4*N+offset]; }; // z coordinate of ray origin
|
|
__forceinline float* tnear(size_t offset = 0) { return (float*)&ptr[3*4*N+offset]; }; // start of ray segment
|
|
|
|
__forceinline float* dir_x(size_t offset = 0) { return (float*)&ptr[4*4*N+offset]; }; // x coordinate of ray direction
|
|
__forceinline float* dir_y(size_t offset = 0) { return (float*)&ptr[5*4*N+offset]; }; // y coordinate of ray direction
|
|
__forceinline float* dir_z(size_t offset = 0) { return (float*)&ptr[6*4*N+offset]; }; // z coordinate of ray direction
|
|
__forceinline float* time (size_t offset = 0) { return (float*)&ptr[7*4*N+offset]; }; // time of this ray for motion blur
|
|
|
|
__forceinline float* tfar (size_t offset = 0) { return (float*)&ptr[8*4*N+offset]; }; // end of ray segment (set to hit distance)
|
|
__forceinline int* mask (size_t offset = 0) { return (int*)&ptr[9*4*N+offset]; }; // used to mask out objects during traversal (optional)
|
|
__forceinline int* id (size_t offset = 0) { return (int*)&ptr[10*4*N+offset]; }; // id
|
|
__forceinline int* flags(size_t offset = 0) { return (int*)&ptr[11*4*N+offset]; }; // flags
|
|
|
|
/* hit data access functions */
|
|
__forceinline float* Ng_x(size_t offset = 0) { return (float*)&ptr[12*4*N+offset]; }; // x coordinate of geometry normal
|
|
__forceinline float* Ng_y(size_t offset = 0) { return (float*)&ptr[13*4*N+offset]; }; // y coordinate of geometry normal
|
|
__forceinline float* Ng_z(size_t offset = 0) { return (float*)&ptr[14*4*N+offset]; }; // z coordinate of geometry normal
|
|
|
|
__forceinline float* u(size_t offset = 0) { return (float*)&ptr[15*4*N+offset]; }; // barycentric u coordinate of hit
|
|
__forceinline float* v(size_t offset = 0) { return (float*)&ptr[16*4*N+offset]; }; // barycentric v coordinate of hit
|
|
|
|
__forceinline unsigned int* primID(size_t offset = 0) { return (unsigned int*)&ptr[17*4*N+offset]; }; // primitive ID
|
|
__forceinline unsigned int* geomID(size_t offset = 0) { return (unsigned int*)&ptr[18*4*N+offset]; }; // geometry ID
|
|
__forceinline unsigned int* instID(size_t level, size_t offset = 0) { return (unsigned int*)&ptr[19*4*N+level*4*N+offset]; }; // instance ID
|
|
|
|
__forceinline Ray getRayByOffset(size_t offset)
|
|
{
|
|
Ray ray;
|
|
ray.org.x = org_x(offset)[0];
|
|
ray.org.y = org_y(offset)[0];
|
|
ray.org.z = org_z(offset)[0];
|
|
ray.tnear() = tnear(offset)[0];
|
|
ray.dir.x = dir_x(offset)[0];
|
|
ray.dir.y = dir_y(offset)[0];
|
|
ray.dir.z = dir_z(offset)[0];
|
|
ray.time() = time(offset)[0];
|
|
ray.tfar = tfar(offset)[0];
|
|
ray.mask = mask(offset)[0];
|
|
ray.id = id(offset)[0];
|
|
ray.flags = flags(offset)[0];
|
|
return ray;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline RayK<K> getRayByOffset(size_t offset)
|
|
{
|
|
RayK<K> ray;
|
|
ray.org.x = vfloat<K>::loadu(org_x(offset));
|
|
ray.org.y = vfloat<K>::loadu(org_y(offset));
|
|
ray.org.z = vfloat<K>::loadu(org_z(offset));
|
|
ray.tnear = vfloat<K>::loadu(tnear(offset));
|
|
ray.dir.x = vfloat<K>::loadu(dir_x(offset));
|
|
ray.dir.y = vfloat<K>::loadu(dir_y(offset));
|
|
ray.dir.z = vfloat<K>::loadu(dir_z(offset));
|
|
ray.time = vfloat<K>::loadu(time(offset));
|
|
ray.tfar = vfloat<K>::loadu(tfar(offset));
|
|
ray.mask = vint<K>::loadu(mask(offset));
|
|
ray.id = vint<K>::loadu(id(offset));
|
|
ray.flags = vint<K>::loadu(flags(offset));
|
|
return ray;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline RayK<K> getRayByOffset(const vbool<K>& valid, size_t offset)
|
|
{
|
|
RayK<K> ray;
|
|
ray.org.x = vfloat<K>::loadu(valid, org_x(offset));
|
|
ray.org.y = vfloat<K>::loadu(valid, org_y(offset));
|
|
ray.org.z = vfloat<K>::loadu(valid, org_z(offset));
|
|
ray.tnear() = vfloat<K>::loadu(valid, tnear(offset));
|
|
ray.dir.x = vfloat<K>::loadu(valid, dir_x(offset));
|
|
ray.dir.y = vfloat<K>::loadu(valid, dir_y(offset));
|
|
ray.dir.z = vfloat<K>::loadu(valid, dir_z(offset));
|
|
ray.time() = vfloat<K>::loadu(valid, time(offset));
|
|
ray.tfar = vfloat<K>::loadu(valid, tfar(offset));
|
|
|
|
#if !defined(__AVX__)
|
|
/* SSE: some ray members must be loaded with scalar instructions to ensure that we don't cause memory faults,
|
|
because the SSE masked loads always access the entire vector */
|
|
if (unlikely(!all(valid)))
|
|
{
|
|
ray.mask = zero;
|
|
ray.id = zero;
|
|
ray.flags = zero;
|
|
|
|
for (size_t k = 0; k < K; k++)
|
|
{
|
|
if (likely(valid[k]))
|
|
{
|
|
ray.mask[k] = mask(offset)[k];
|
|
ray.id[k] = id(offset)[k];
|
|
ray.flags[k] = flags(offset)[k];
|
|
}
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
ray.mask = vint<K>::loadu(valid, mask(offset));
|
|
ray.id = vint<K>::loadu(valid, id(offset));
|
|
ray.flags = vint<K>::loadu(valid, flags(offset));
|
|
}
|
|
|
|
return ray;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByOffset(const vbool<K>& valid_i, size_t offset, const RayHitK<K>& ray)
|
|
{
|
|
/*
|
|
* valid_i: stores which of the input rays exist (do not access nonexistent rays!)
|
|
* valid: stores which of the rays actually hit something.
|
|
*/
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.geomID != RTC_INVALID_GEOMETRY_ID);
|
|
|
|
if (likely(any(valid)))
|
|
{
|
|
vfloat<K>::storeu(valid, tfar(offset), ray.tfar);
|
|
vfloat<K>::storeu(valid, Ng_x(offset), ray.Ng.x);
|
|
vfloat<K>::storeu(valid, Ng_y(offset), ray.Ng.y);
|
|
vfloat<K>::storeu(valid, Ng_z(offset), ray.Ng.z);
|
|
vfloat<K>::storeu(valid, u(offset), ray.u);
|
|
vfloat<K>::storeu(valid, v(offset), ray.v);
|
|
|
|
#if !defined(__AVX__)
|
|
/* SSE: some ray members must be stored with scalar instructions to ensure that we don't cause memory faults,
|
|
because the SSE masked stores always access the entire vector */
|
|
if (unlikely(!all(valid_i)))
|
|
{
|
|
for (size_t k = 0; k < K; k++)
|
|
{
|
|
if (likely(valid[k]))
|
|
{
|
|
primID(offset)[k] = ray.primID[k];
|
|
geomID(offset)[k] = ray.geomID[k];
|
|
|
|
instID(0, offset)[k] = ray.instID[0][k];
|
|
#if (RTC_MAX_INSTANCE_LEVEL_COUNT > 1)
|
|
for (unsigned l = 1; l < RTC_MAX_INSTANCE_LEVEL_COUNT && ray.instID[l-1][k] != RTC_INVALID_GEOMETRY_ID; ++l)
|
|
instID(l, offset)[k] = ray.instID[l][k];
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
vuint<K>::storeu(valid, primID(offset), ray.primID);
|
|
vuint<K>::storeu(valid, geomID(offset), ray.geomID);
|
|
|
|
vuint<K>::storeu(valid, instID(0, offset), ray.instID[0]);
|
|
#if (RTC_MAX_INSTANCE_LEVEL_COUNT > 1)
|
|
for (unsigned l = 1; l < RTC_MAX_INSTANCE_LEVEL_COUNT && any(valid & (ray.instID[l-1] != RTC_INVALID_GEOMETRY_ID)); ++l)
|
|
vuint<K>::storeu(valid, instID(l, offset), ray.instID[l]);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByOffset(const vbool<K>& valid_i, size_t offset, const RayK<K>& ray)
|
|
{
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.tfar < 0.0f);
|
|
|
|
if (likely(any(valid)))
|
|
vfloat<K>::storeu(valid, tfar(offset), ray.tfar);
|
|
}
|
|
|
|
__forceinline size_t getOctantByOffset(size_t offset)
|
|
{
|
|
const float dx = dir_x(offset)[0];
|
|
const float dy = dir_y(offset)[0];
|
|
const float dz = dir_z(offset)[0];
|
|
const size_t octantID = (dx < 0.0f ? 1 : 0) + (dy < 0.0f ? 2 : 0) + (dz < 0.0f ? 4 : 0);
|
|
return octantID;
|
|
}
|
|
|
|
__forceinline bool isValidByOffset(size_t offset)
|
|
{
|
|
const float nnear = tnear(offset)[0];
|
|
const float ffar = tfar(offset)[0];
|
|
return nnear <= ffar;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline RayK<K> getRayByOffset(const vbool<K>& valid, const vint<K>& offset)
|
|
{
|
|
RayK<K> ray;
|
|
|
|
#if defined(__AVX2__)
|
|
ray.org.x = vfloat<K>::template gather<1>(valid, org_x(), offset);
|
|
ray.org.y = vfloat<K>::template gather<1>(valid, org_y(), offset);
|
|
ray.org.z = vfloat<K>::template gather<1>(valid, org_z(), offset);
|
|
ray.tnear() = vfloat<K>::template gather<1>(valid, tnear(), offset);
|
|
ray.dir.x = vfloat<K>::template gather<1>(valid, dir_x(), offset);
|
|
ray.dir.y = vfloat<K>::template gather<1>(valid, dir_y(), offset);
|
|
ray.dir.z = vfloat<K>::template gather<1>(valid, dir_z(), offset);
|
|
ray.time() = vfloat<K>::template gather<1>(valid, time(), offset);
|
|
ray.tfar = vfloat<K>::template gather<1>(valid, tfar(), offset);
|
|
ray.mask = vint<K>::template gather<1>(valid, mask(), offset);
|
|
ray.id = vint<K>::template gather<1>(valid, id(), offset);
|
|
ray.flags = vint<K>::template gather<1>(valid, flags(), offset);
|
|
#else
|
|
ray.org = zero;
|
|
ray.tnear() = zero;
|
|
ray.dir = zero;
|
|
ray.time() = zero;
|
|
ray.tfar = zero;
|
|
ray.mask = zero;
|
|
ray.id = zero;
|
|
ray.flags = zero;
|
|
|
|
for (size_t k = 0; k < K; k++)
|
|
{
|
|
if (likely(valid[k]))
|
|
{
|
|
const size_t ofs = offset[k];
|
|
|
|
ray.org.x[k] = *org_x(ofs);
|
|
ray.org.y[k] = *org_y(ofs);
|
|
ray.org.z[k] = *org_z(ofs);
|
|
ray.tnear()[k] = *tnear(ofs);
|
|
ray.dir.x[k] = *dir_x(ofs);
|
|
ray.dir.y[k] = *dir_y(ofs);
|
|
ray.dir.z[k] = *dir_z(ofs);
|
|
ray.time()[k] = *time(ofs);
|
|
ray.tfar[k] = *tfar(ofs);
|
|
ray.mask[k] = *mask(ofs);
|
|
ray.id[k] = *id(ofs);
|
|
ray.flags[k] = *flags(ofs);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return ray;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByOffset(const vbool<K>& valid_i, const vint<K>& offset, const RayHitK<K>& ray)
|
|
{
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.geomID != RTC_INVALID_GEOMETRY_ID);
|
|
|
|
if (likely(any(valid)))
|
|
{
|
|
#if defined(__AVX512F__)
|
|
vfloat<K>::template scatter<1>(valid, tfar(), offset, ray.tfar);
|
|
vfloat<K>::template scatter<1>(valid, Ng_x(), offset, ray.Ng.x);
|
|
vfloat<K>::template scatter<1>(valid, Ng_y(), offset, ray.Ng.y);
|
|
vfloat<K>::template scatter<1>(valid, Ng_z(), offset, ray.Ng.z);
|
|
vfloat<K>::template scatter<1>(valid, u(), offset, ray.u);
|
|
vfloat<K>::template scatter<1>(valid, v(), offset, ray.v);
|
|
vuint<K>::template scatter<1>(valid, primID(), offset, ray.primID);
|
|
vuint<K>::template scatter<1>(valid, geomID(), offset, ray.geomID);
|
|
|
|
vuint<K>::template scatter<1>(valid, instID(0), offset, ray.instID[0]);
|
|
#if (RTC_MAX_INSTANCE_LEVEL_COUNT > 1)
|
|
for (unsigned l = 1; l < RTC_MAX_INSTANCE_LEVEL_COUNT && any(valid & (ray.instID[l-1] != RTC_INVALID_GEOMETRY_ID)); ++l)
|
|
vuint<K>::template scatter<1>(valid, instID(l), offset, ray.instID[l]);
|
|
#endif
|
|
#else
|
|
size_t valid_bits = movemask(valid);
|
|
while (valid_bits != 0)
|
|
{
|
|
const size_t k = bscf(valid_bits);
|
|
const size_t ofs = offset[k];
|
|
|
|
*tfar(ofs) = ray.tfar[k];
|
|
|
|
*Ng_x(ofs) = ray.Ng.x[k];
|
|
*Ng_y(ofs) = ray.Ng.y[k];
|
|
*Ng_z(ofs) = ray.Ng.z[k];
|
|
*u(ofs) = ray.u[k];
|
|
*v(ofs) = ray.v[k];
|
|
*primID(ofs) = ray.primID[k];
|
|
*geomID(ofs) = ray.geomID[k];
|
|
|
|
*instID(0, ofs) = ray.instID[0][k];
|
|
#if (RTC_MAX_INSTANCE_LEVEL_COUNT > 1)
|
|
for (unsigned l = 1; l < RTC_MAX_INSTANCE_LEVEL_COUNT && ray.instID[l-1][k] != RTC_INVALID_GEOMETRY_ID; ++l)
|
|
*instID(l, ofs) = ray.instID[l][k];
|
|
#endif
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByOffset(const vbool<K>& valid_i, const vint<K>& offset, const RayK<K>& ray)
|
|
{
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.tfar < 0.0f);
|
|
|
|
if (likely(any(valid)))
|
|
{
|
|
#if defined(__AVX512F__)
|
|
vfloat<K>::template scatter<1>(valid, tfar(), offset, ray.tfar);
|
|
#else
|
|
size_t valid_bits = movemask(valid);
|
|
while (valid_bits != 0)
|
|
{
|
|
const size_t k = bscf(valid_bits);
|
|
const size_t ofs = offset[k];
|
|
|
|
*tfar(ofs) = ray.tfar[k];
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
char* __restrict__ ptr;
|
|
size_t N;
|
|
};
|
|
|
|
template<size_t MAX_K>
|
|
struct StackRayStreamSOA : public RayStreamSOA
|
|
{
|
|
__forceinline StackRayStreamSOA(size_t K)
|
|
: RayStreamSOA(data, K) { assert(K <= MAX_K); }
|
|
|
|
char data[MAX_K / 4 * sizeof(RayHit4)];
|
|
};
|
|
|
|
|
|
struct RayStreamSOP
|
|
{
|
|
template<class T>
|
|
__forceinline void init(T& t)
|
|
{
|
|
org_x = (float*)&t.org.x;
|
|
org_y = (float*)&t.org.y;
|
|
org_z = (float*)&t.org.z;
|
|
tnear = (float*)&t.tnear;
|
|
dir_x = (float*)&t.dir.x;
|
|
dir_y = (float*)&t.dir.y;
|
|
dir_z = (float*)&t.dir.z;
|
|
time = (float*)&t.time;
|
|
tfar = (float*)&t.tfar;
|
|
mask = (unsigned int*)&t.mask;
|
|
id = (unsigned int*)&t.id;
|
|
flags = (unsigned int*)&t.flags;
|
|
|
|
Ng_x = (float*)&t.Ng.x;
|
|
Ng_y = (float*)&t.Ng.y;
|
|
Ng_z = (float*)&t.Ng.z;
|
|
u = (float*)&t.u;
|
|
v = (float*)&t.v;
|
|
primID = (unsigned int*)&t.primID;
|
|
geomID = (unsigned int*)&t.geomID;
|
|
|
|
for (unsigned l = 0; l < RTC_MAX_INSTANCE_LEVEL_COUNT; ++l)
|
|
instID[l] = (unsigned int*)&t.instID[l];
|
|
}
|
|
|
|
__forceinline Ray getRayByOffset(size_t offset)
|
|
{
|
|
Ray ray;
|
|
ray.org.x = *(float* __restrict__)((char*)org_x + offset);
|
|
ray.org.y = *(float* __restrict__)((char*)org_y + offset);
|
|
ray.org.z = *(float* __restrict__)((char*)org_z + offset);
|
|
ray.dir.x = *(float* __restrict__)((char*)dir_x + offset);
|
|
ray.dir.y = *(float* __restrict__)((char*)dir_y + offset);
|
|
ray.dir.z = *(float* __restrict__)((char*)dir_z + offset);
|
|
ray.tfar = *(float* __restrict__)((char*)tfar + offset);
|
|
ray.tnear() = tnear ? *(float* __restrict__)((char*)tnear + offset) : 0.0f;
|
|
ray.time() = time ? *(float* __restrict__)((char*)time + offset) : 0.0f;
|
|
ray.mask = mask ? *(unsigned int* __restrict__)((char*)mask + offset) : -1;
|
|
ray.id = id ? *(unsigned int* __restrict__)((char*)id + offset) : -1;
|
|
ray.flags = flags ? *(unsigned int* __restrict__)((char*)flags + offset) : -1;
|
|
return ray;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline RayK<K> getRayByOffset(const vbool<K>& valid, size_t offset)
|
|
{
|
|
RayK<K> ray;
|
|
ray.org.x = vfloat<K>::loadu(valid, (float* __restrict__)((char*)org_x + offset));
|
|
ray.org.y = vfloat<K>::loadu(valid, (float* __restrict__)((char*)org_y + offset));
|
|
ray.org.z = vfloat<K>::loadu(valid, (float* __restrict__)((char*)org_z + offset));
|
|
ray.dir.x = vfloat<K>::loadu(valid, (float* __restrict__)((char*)dir_x + offset));
|
|
ray.dir.y = vfloat<K>::loadu(valid, (float* __restrict__)((char*)dir_y + offset));
|
|
ray.dir.z = vfloat<K>::loadu(valid, (float* __restrict__)((char*)dir_z + offset));
|
|
ray.tfar = vfloat<K>::loadu(valid, (float* __restrict__)((char*)tfar + offset));
|
|
ray.tnear() = tnear ? vfloat<K>::loadu(valid, (float* __restrict__)((char*)tnear + offset)) : 0.0f;
|
|
ray.time() = time ? vfloat<K>::loadu(valid, (float* __restrict__)((char*)time + offset)) : 0.0f;
|
|
ray.mask = mask ? vint<K>::loadu(valid, (const void* __restrict__)((char*)mask + offset)) : -1;
|
|
ray.id = id ? vint<K>::loadu(valid, (const void* __restrict__)((char*)id + offset)) : -1;
|
|
ray.flags = flags ? vint<K>::loadu(valid, (const void* __restrict__)((char*)flags + offset)) : -1;
|
|
return ray;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline Vec3vf<K> getDirByOffset(const vbool<K>& valid, size_t offset)
|
|
{
|
|
Vec3vf<K> dir;
|
|
dir.x = vfloat<K>::loadu(valid, (float* __restrict__)((char*)dir_x + offset));
|
|
dir.y = vfloat<K>::loadu(valid, (float* __restrict__)((char*)dir_y + offset));
|
|
dir.z = vfloat<K>::loadu(valid, (float* __restrict__)((char*)dir_z + offset));
|
|
return dir;
|
|
}
|
|
|
|
__forceinline void setHitByOffset(size_t offset, const RayHit& ray)
|
|
{
|
|
if (ray.geomID != RTC_INVALID_GEOMETRY_ID)
|
|
{
|
|
*(float* __restrict__)((char*)tfar + offset) = ray.tfar;
|
|
|
|
if (likely(Ng_x)) *(float* __restrict__)((char*)Ng_x + offset) = ray.Ng.x;
|
|
if (likely(Ng_y)) *(float* __restrict__)((char*)Ng_y + offset) = ray.Ng.y;
|
|
if (likely(Ng_z)) *(float* __restrict__)((char*)Ng_z + offset) = ray.Ng.z;
|
|
*(float* __restrict__)((char*)u + offset) = ray.u;
|
|
*(float* __restrict__)((char*)v + offset) = ray.v;
|
|
*(unsigned int* __restrict__)((char*)geomID + offset) = ray.geomID;
|
|
*(unsigned int* __restrict__)((char*)primID + offset) = ray.primID;
|
|
|
|
if (likely(instID[0])) {
|
|
*(unsigned int* __restrict__)((char*)instID[0] + offset) = ray.instID[0];
|
|
#if (RTC_MAX_INSTANCE_LEVEL_COUNT > 1)
|
|
for (unsigned l = 1; l < RTC_MAX_INSTANCE_LEVEL_COUNT && ray.instID[l-1] != RTC_INVALID_GEOMETRY_ID; ++l)
|
|
*(unsigned int* __restrict__)((char*)instID[l] + offset) = ray.instID[l];
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
__forceinline void setHitByOffset(size_t offset, const Ray& ray)
|
|
{
|
|
*(float* __restrict__)((char*)tfar + offset) = ray.tfar;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByOffset(const vbool<K>& valid_i, size_t offset, const RayHitK<K>& ray)
|
|
{
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.geomID != RTC_INVALID_GEOMETRY_ID);
|
|
|
|
if (likely(any(valid)))
|
|
{
|
|
vfloat<K>::storeu(valid, (float* __restrict__)((char*)tfar + offset), ray.tfar);
|
|
|
|
if (likely(Ng_x)) vfloat<K>::storeu(valid, (float* __restrict__)((char*)Ng_x + offset), ray.Ng.x);
|
|
if (likely(Ng_y)) vfloat<K>::storeu(valid, (float* __restrict__)((char*)Ng_y + offset), ray.Ng.y);
|
|
if (likely(Ng_z)) vfloat<K>::storeu(valid, (float* __restrict__)((char*)Ng_z + offset), ray.Ng.z);
|
|
vfloat<K>::storeu(valid, (float* __restrict__)((char*)u + offset), ray.u);
|
|
vfloat<K>::storeu(valid, (float* __restrict__)((char*)v + offset), ray.v);
|
|
vuint<K>::storeu(valid, (unsigned int* __restrict__)((char*)primID + offset), ray.primID);
|
|
vuint<K>::storeu(valid, (unsigned int* __restrict__)((char*)geomID + offset), ray.geomID);
|
|
|
|
if (likely(instID[0])) {
|
|
vuint<K>::storeu(valid, (unsigned int* __restrict__)((char*)instID[0] + offset), ray.instID[0]);
|
|
#if (RTC_MAX_INSTANCE_LEVEL_COUNT > 1)
|
|
for (unsigned l = 1; l < RTC_MAX_INSTANCE_LEVEL_COUNT && any(valid & (ray.instID[l-1] != RTC_INVALID_GEOMETRY_ID)); ++l)
|
|
vuint<K>::storeu(valid, (unsigned int* __restrict__)((char*)instID[l] + offset), ray.instID[l]);
|
|
#endif
|
|
}
|
|
}
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByOffset(const vbool<K>& valid_i, size_t offset, const RayK<K>& ray)
|
|
{
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.tfar < 0.0f);
|
|
|
|
if (likely(any(valid)))
|
|
vfloat<K>::storeu(valid, (float* __restrict__)((char*)tfar + offset), ray.tfar);
|
|
}
|
|
|
|
__forceinline size_t getOctantByOffset(size_t offset)
|
|
{
|
|
const float dx = *(float* __restrict__)((char*)dir_x + offset);
|
|
const float dy = *(float* __restrict__)((char*)dir_y + offset);
|
|
const float dz = *(float* __restrict__)((char*)dir_z + offset);
|
|
const size_t octantID = (dx < 0.0f ? 1 : 0) + (dy < 0.0f ? 2 : 0) + (dz < 0.0f ? 4 : 0);
|
|
return octantID;
|
|
}
|
|
|
|
__forceinline bool isValidByOffset(size_t offset)
|
|
{
|
|
const float nnear = tnear ? *(float* __restrict__)((char*)tnear + offset) : 0.0f;
|
|
const float ffar = *(float* __restrict__)((char*)tfar + offset);
|
|
return nnear <= ffar;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline vbool<K> isValidByOffset(const vbool<K>& valid, size_t offset)
|
|
{
|
|
const vfloat<K> nnear = tnear ? vfloat<K>::loadu(valid, (float* __restrict__)((char*)tnear + offset)) : 0.0f;
|
|
const vfloat<K> ffar = vfloat<K>::loadu(valid, (float* __restrict__)((char*)tfar + offset));
|
|
return nnear <= ffar;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline RayK<K> getRayByOffset(const vbool<K>& valid, const vint<K>& offset)
|
|
{
|
|
RayK<K> ray;
|
|
|
|
#if defined(__AVX2__)
|
|
ray.org.x = vfloat<K>::template gather<1>(valid, org_x, offset);
|
|
ray.org.y = vfloat<K>::template gather<1>(valid, org_y, offset);
|
|
ray.org.z = vfloat<K>::template gather<1>(valid, org_z, offset);
|
|
ray.dir.x = vfloat<K>::template gather<1>(valid, dir_x, offset);
|
|
ray.dir.y = vfloat<K>::template gather<1>(valid, dir_y, offset);
|
|
ray.dir.z = vfloat<K>::template gather<1>(valid, dir_z, offset);
|
|
ray.tfar = vfloat<K>::template gather<1>(valid, tfar, offset);
|
|
ray.tnear() = tnear ? vfloat<K>::template gather<1>(valid, tnear, offset) : vfloat<K>(zero);
|
|
ray.time() = time ? vfloat<K>::template gather<1>(valid, time, offset) : vfloat<K>(zero);
|
|
ray.mask = mask ? vint<K>::template gather<1>(valid, (int*)mask, offset) : vint<K>(-1);
|
|
ray.id = id ? vint<K>::template gather<1>(valid, (int*)id, offset) : vint<K>(-1);
|
|
ray.flags = flags ? vint<K>::template gather<1>(valid, (int*)flags, offset) : vint<K>(-1);
|
|
#else
|
|
ray.org = zero;
|
|
ray.tnear() = zero;
|
|
ray.dir = zero;
|
|
ray.tfar = zero;
|
|
ray.time() = zero;
|
|
ray.mask = zero;
|
|
ray.id = zero;
|
|
ray.flags = zero;
|
|
|
|
for (size_t k = 0; k < K; k++)
|
|
{
|
|
if (likely(valid[k]))
|
|
{
|
|
const size_t ofs = offset[k];
|
|
|
|
ray.org.x[k] = *(float* __restrict__)((char*)org_x + ofs);
|
|
ray.org.y[k] = *(float* __restrict__)((char*)org_y + ofs);
|
|
ray.org.z[k] = *(float* __restrict__)((char*)org_z + ofs);
|
|
ray.dir.x[k] = *(float* __restrict__)((char*)dir_x + ofs);
|
|
ray.dir.y[k] = *(float* __restrict__)((char*)dir_y + ofs);
|
|
ray.dir.z[k] = *(float* __restrict__)((char*)dir_z + ofs);
|
|
ray.tfar[k] = *(float* __restrict__)((char*)tfar + ofs);
|
|
ray.tnear()[k] = tnear ? *(float* __restrict__)((char*)tnear + ofs) : 0.0f;
|
|
ray.time()[k] = time ? *(float* __restrict__)((char*)time + ofs) : 0.0f;
|
|
ray.mask[k] = mask ? *(int* __restrict__)((char*)mask + ofs) : -1;
|
|
ray.id[k] = id ? *(int* __restrict__)((char*)id + ofs) : -1;
|
|
ray.flags[k] = flags ? *(int* __restrict__)((char*)flags + ofs) : -1;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return ray;
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByOffset(const vbool<K>& valid_i, const vint<K>& offset, const RayHitK<K>& ray)
|
|
{
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.geomID != RTC_INVALID_GEOMETRY_ID);
|
|
|
|
if (likely(any(valid)))
|
|
{
|
|
#if defined(__AVX512F__)
|
|
vfloat<K>::template scatter<1>(valid, tfar, offset, ray.tfar);
|
|
|
|
if (likely(Ng_x)) vfloat<K>::template scatter<1>(valid, Ng_x, offset, ray.Ng.x);
|
|
if (likely(Ng_y)) vfloat<K>::template scatter<1>(valid, Ng_y, offset, ray.Ng.y);
|
|
if (likely(Ng_z)) vfloat<K>::template scatter<1>(valid, Ng_z, offset, ray.Ng.z);
|
|
vfloat<K>::template scatter<1>(valid, u, offset, ray.u);
|
|
vfloat<K>::template scatter<1>(valid, v, offset, ray.v);
|
|
vuint<K>::template scatter<1>(valid, (unsigned int*)geomID, offset, ray.geomID);
|
|
vuint<K>::template scatter<1>(valid, (unsigned int*)primID, offset, ray.primID);
|
|
|
|
if (likely(instID[0])) {
|
|
vuint<K>::template scatter<1>(valid, (unsigned int*)instID[0], offset, ray.instID[0]);
|
|
#if (RTC_MAX_INSTANCE_LEVEL_COUNT > 1)
|
|
for (unsigned l = 1; l < RTC_MAX_INSTANCE_LEVEL_COUNT && any(valid & (ray.instID[l-1] != RTC_INVALID_GEOMETRY_ID)); ++l)
|
|
vuint<K>::template scatter<1>(valid, (unsigned int*)instID[l], offset, ray.instID[l]);
|
|
#endif
|
|
}
|
|
#else
|
|
size_t valid_bits = movemask(valid);
|
|
while (valid_bits != 0)
|
|
{
|
|
const size_t k = bscf(valid_bits);
|
|
const size_t ofs = offset[k];
|
|
|
|
*(float* __restrict__)((char*)tfar + ofs) = ray.tfar[k];
|
|
|
|
if (likely(Ng_x)) *(float* __restrict__)((char*)Ng_x + ofs) = ray.Ng.x[k];
|
|
if (likely(Ng_y)) *(float* __restrict__)((char*)Ng_y + ofs) = ray.Ng.y[k];
|
|
if (likely(Ng_z)) *(float* __restrict__)((char*)Ng_z + ofs) = ray.Ng.z[k];
|
|
*(float* __restrict__)((char*)u + ofs) = ray.u[k];
|
|
*(float* __restrict__)((char*)v + ofs) = ray.v[k];
|
|
*(unsigned int* __restrict__)((char*)primID + ofs) = ray.primID[k];
|
|
*(unsigned int* __restrict__)((char*)geomID + ofs) = ray.geomID[k];
|
|
|
|
if (likely(instID[0])) {
|
|
*(unsigned int* __restrict__)((char*)instID[0] + ofs) = ray.instID[0][k];
|
|
#if (RTC_MAX_INSTANCE_LEVEL_COUNT > 1)
|
|
for (unsigned l = 1; l < RTC_MAX_INSTANCE_LEVEL_COUNT && ray.instID[l-1][k] != RTC_INVALID_GEOMETRY_ID; ++l)
|
|
*(unsigned int* __restrict__)((char*)instID[l] + ofs) = ray.instID[l][k];
|
|
#endif
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByOffset(const vbool<K>& valid_i, const vint<K>& offset, const RayK<K>& ray)
|
|
{
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.tfar < 0.0f);
|
|
|
|
if (likely(any(valid)))
|
|
{
|
|
#if defined(__AVX512F__)
|
|
vfloat<K>::template scatter<1>(valid, tfar, offset, ray.tfar);
|
|
#else
|
|
size_t valid_bits = movemask(valid);
|
|
while (valid_bits != 0)
|
|
{
|
|
const size_t k = bscf(valid_bits);
|
|
const size_t ofs = offset[k];
|
|
|
|
*(float* __restrict__)((char*)tfar + ofs) = ray.tfar[k];
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
/* ray data */
|
|
float* __restrict__ org_x; // x coordinate of ray origin
|
|
float* __restrict__ org_y; // y coordinate of ray origin
|
|
float* __restrict__ org_z; // z coordinate of ray origin
|
|
float* __restrict__ tnear; // start of ray segment (optional)
|
|
|
|
float* __restrict__ dir_x; // x coordinate of ray direction
|
|
float* __restrict__ dir_y; // y coordinate of ray direction
|
|
float* __restrict__ dir_z; // z coordinate of ray direction
|
|
float* __restrict__ time; // time of this ray for motion blur (optional)
|
|
|
|
float* __restrict__ tfar; // end of ray segment (set to hit distance)
|
|
unsigned int* __restrict__ mask; // used to mask out objects during traversal (optional)
|
|
unsigned int* __restrict__ id; // ray ID
|
|
unsigned int* __restrict__ flags; // ray flags
|
|
|
|
/* hit data */
|
|
float* __restrict__ Ng_x; // x coordinate of geometry normal (optional)
|
|
float* __restrict__ Ng_y; // y coordinate of geometry normal (optional)
|
|
float* __restrict__ Ng_z; // z coordinate of geometry normal (optional)
|
|
|
|
float* __restrict__ u; // barycentric u coordinate of hit
|
|
float* __restrict__ v; // barycentric v coordinate of hit
|
|
|
|
unsigned int* __restrict__ primID; // primitive ID
|
|
unsigned int* __restrict__ geomID; // geometry ID
|
|
unsigned int* __restrict__ instID[RTC_MAX_INSTANCE_LEVEL_COUNT]; // instance ID (optional)
|
|
};
|
|
|
|
|
|
struct RayStreamAOS
|
|
{
|
|
__forceinline RayStreamAOS(void* rays)
|
|
: ptr((Ray*)rays) {}
|
|
|
|
__forceinline Ray& getRayByOffset(size_t offset)
|
|
{
|
|
return *(Ray*)((char*)ptr + offset);
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline RayK<K> getRayByOffset(const vint<K>& offset);
|
|
|
|
template<int K>
|
|
__forceinline RayK<K> getRayByOffset(const vbool<K>& valid, const vint<K>& offset)
|
|
{
|
|
const vint<K> valid_offset = select(valid, offset, vintx(zero));
|
|
return getRayByOffset<K>(valid_offset);
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByOffset(const vbool<K>& valid_i, const vint<K>& offset, const RayHitK<K>& ray)
|
|
{
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.geomID != RTC_INVALID_GEOMETRY_ID);
|
|
|
|
if (likely(any(valid)))
|
|
{
|
|
#if defined(__AVX512F__)
|
|
vfloat<K>::template scatter<1>(valid, &ptr->tfar, offset, ray.tfar);
|
|
vfloat<K>::template scatter<1>(valid, &((RayHit*)ptr)->Ng.x, offset, ray.Ng.x);
|
|
vfloat<K>::template scatter<1>(valid, &((RayHit*)ptr)->Ng.y, offset, ray.Ng.y);
|
|
vfloat<K>::template scatter<1>(valid, &((RayHit*)ptr)->Ng.z, offset, ray.Ng.z);
|
|
vfloat<K>::template scatter<1>(valid, &((RayHit*)ptr)->u, offset, ray.u);
|
|
vfloat<K>::template scatter<1>(valid, &((RayHit*)ptr)->v, offset, ray.v);
|
|
vuint<K>::template scatter<1>(valid, (unsigned int*)&((RayHit*)ptr)->primID, offset, ray.primID);
|
|
vuint<K>::template scatter<1>(valid, (unsigned int*)&((RayHit*)ptr)->geomID, offset, ray.geomID);
|
|
|
|
vuint<K>::template scatter<1>(valid, (unsigned int*)&((RayHit*)ptr)->instID[0], offset, ray.instID[0]);
|
|
#if (RTC_MAX_INSTANCE_LEVEL_COUNT > 1)
|
|
for (unsigned l = 1; l < RTC_MAX_INSTANCE_LEVEL_COUNT && any(valid & (ray.instID[l-1] != RTC_INVALID_GEOMETRY_ID)); ++l)
|
|
vuint<K>::template scatter<1>(valid, (unsigned int*)&((RayHit*)ptr)->instID[l], offset, ray.instID[l]);
|
|
#endif
|
|
#else
|
|
size_t valid_bits = movemask(valid);
|
|
while (valid_bits != 0)
|
|
{
|
|
const size_t k = bscf(valid_bits);
|
|
RayHit* __restrict__ ray_k = (RayHit*)((char*)ptr + offset[k]);
|
|
ray_k->tfar = ray.tfar[k];
|
|
ray_k->Ng.x = ray.Ng.x[k];
|
|
ray_k->Ng.y = ray.Ng.y[k];
|
|
ray_k->Ng.z = ray.Ng.z[k];
|
|
ray_k->u = ray.u[k];
|
|
ray_k->v = ray.v[k];
|
|
ray_k->primID = ray.primID[k];
|
|
ray_k->geomID = ray.geomID[k];
|
|
|
|
instance_id_stack::copy_VU<K>(ray.instID, ray_k->instID, k);
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByOffset(const vbool<K>& valid_i, const vint<K>& offset, const RayK<K>& ray)
|
|
{
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.tfar < 0.0f);
|
|
|
|
if (likely(any(valid)))
|
|
{
|
|
#if defined(__AVX512F__)
|
|
vfloat<K>::template scatter<1>(valid, &ptr->tfar, offset, ray.tfar);
|
|
#else
|
|
size_t valid_bits = movemask(valid);
|
|
while (valid_bits != 0)
|
|
{
|
|
const size_t k = bscf(valid_bits);
|
|
Ray* __restrict__ ray_k = (Ray*)((char*)ptr + offset[k]);
|
|
ray_k->tfar = ray.tfar[k];
|
|
}
|
|
#endif
|
|
}
|
|
}
|
|
|
|
Ray* __restrict__ ptr;
|
|
};
|
|
|
|
template<>
|
|
__forceinline Ray4 RayStreamAOS::getRayByOffset<4>(const vint4& offset)
|
|
{
|
|
Ray4 ray;
|
|
|
|
/* load and transpose: org.x, org.y, org.z, tnear */
|
|
const vfloat4 a0 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[0]))->org);
|
|
const vfloat4 a1 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[1]))->org);
|
|
const vfloat4 a2 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[2]))->org);
|
|
const vfloat4 a3 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[3]))->org);
|
|
|
|
transpose(a0,a1,a2,a3, ray.org.x, ray.org.y, ray.org.z, ray.tnear());
|
|
|
|
/* load and transpose: dir.x, dir.y, dir.z, time */
|
|
const vfloat4 b0 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[0]))->dir);
|
|
const vfloat4 b1 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[1]))->dir);
|
|
const vfloat4 b2 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[2]))->dir);
|
|
const vfloat4 b3 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[3]))->dir);
|
|
|
|
transpose(b0,b1,b2,b3, ray.dir.x, ray.dir.y, ray.dir.z, ray.time());
|
|
|
|
/* load and transpose: tfar, mask, id, flags */
|
|
const vfloat4 c0 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[0]))->tfar);
|
|
const vfloat4 c1 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[1]))->tfar);
|
|
const vfloat4 c2 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[2]))->tfar);
|
|
const vfloat4 c3 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[3]))->tfar);
|
|
|
|
vfloat4 maskf, idf, flagsf;
|
|
transpose(c0,c1,c2,c3, ray.tfar, maskf, idf, flagsf);
|
|
ray.mask = asInt(maskf);
|
|
ray.id = asInt(idf);
|
|
ray.flags = asInt(flagsf);
|
|
|
|
return ray;
|
|
}
|
|
|
|
#if defined(__AVX__)
|
|
template<>
|
|
__forceinline Ray8 RayStreamAOS::getRayByOffset<8>(const vint8& offset)
|
|
{
|
|
Ray8 ray;
|
|
|
|
/* load and transpose: org.x, org.y, org.z, tnear, dir.x, dir.y, dir.z, time */
|
|
const vfloat8 ab0 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[0]))->org);
|
|
const vfloat8 ab1 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[1]))->org);
|
|
const vfloat8 ab2 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[2]))->org);
|
|
const vfloat8 ab3 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[3]))->org);
|
|
const vfloat8 ab4 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[4]))->org);
|
|
const vfloat8 ab5 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[5]))->org);
|
|
const vfloat8 ab6 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[6]))->org);
|
|
const vfloat8 ab7 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[7]))->org);
|
|
|
|
transpose(ab0,ab1,ab2,ab3,ab4,ab5,ab6,ab7, ray.org.x, ray.org.y, ray.org.z, ray.tnear(), ray.dir.x, ray.dir.y, ray.dir.z, ray.time());
|
|
|
|
/* load and transpose: tfar, mask, id, flags */
|
|
const vfloat4 c0 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[0]))->tfar);
|
|
const vfloat4 c1 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[1]))->tfar);
|
|
const vfloat4 c2 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[2]))->tfar);
|
|
const vfloat4 c3 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[3]))->tfar);
|
|
const vfloat4 c4 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[4]))->tfar);
|
|
const vfloat4 c5 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[5]))->tfar);
|
|
const vfloat4 c6 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[6]))->tfar);
|
|
const vfloat4 c7 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[7]))->tfar);
|
|
|
|
vfloat8 maskf, idf, flagsf;
|
|
transpose(c0,c1,c2,c3,c4,c5,c6,c7, ray.tfar, maskf, idf, flagsf);
|
|
ray.mask = asInt(maskf);
|
|
ray.id = asInt(idf);
|
|
ray.flags = asInt(flagsf);
|
|
|
|
return ray;
|
|
}
|
|
#endif
|
|
|
|
#if defined(__AVX512F__)
|
|
template<>
|
|
__forceinline Ray16 RayStreamAOS::getRayByOffset<16>(const vint16& offset)
|
|
{
|
|
Ray16 ray;
|
|
|
|
/* load and transpose: org.x, org.y, org.z, tnear, dir.x, dir.y, dir.z, time */
|
|
const vfloat8 ab0 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[ 0]))->org);
|
|
const vfloat8 ab1 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[ 1]))->org);
|
|
const vfloat8 ab2 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[ 2]))->org);
|
|
const vfloat8 ab3 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[ 3]))->org);
|
|
const vfloat8 ab4 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[ 4]))->org);
|
|
const vfloat8 ab5 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[ 5]))->org);
|
|
const vfloat8 ab6 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[ 6]))->org);
|
|
const vfloat8 ab7 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[ 7]))->org);
|
|
const vfloat8 ab8 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[ 8]))->org);
|
|
const vfloat8 ab9 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[ 9]))->org);
|
|
const vfloat8 ab10 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[10]))->org);
|
|
const vfloat8 ab11 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[11]))->org);
|
|
const vfloat8 ab12 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[12]))->org);
|
|
const vfloat8 ab13 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[13]))->org);
|
|
const vfloat8 ab14 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[14]))->org);
|
|
const vfloat8 ab15 = vfloat8::loadu(&((Ray*)((char*)ptr + offset[15]))->org);
|
|
|
|
transpose(ab0,ab1,ab2,ab3,ab4,ab5,ab6,ab7,ab8,ab9,ab10,ab11,ab12,ab13,ab14,ab15,
|
|
ray.org.x, ray.org.y, ray.org.z, ray.tnear(), ray.dir.x, ray.dir.y, ray.dir.z, ray.time());
|
|
|
|
/* load and transpose: tfar, mask, id, flags */
|
|
const vfloat4 c0 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[ 0]))->tfar);
|
|
const vfloat4 c1 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[ 1]))->tfar);
|
|
const vfloat4 c2 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[ 2]))->tfar);
|
|
const vfloat4 c3 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[ 3]))->tfar);
|
|
const vfloat4 c4 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[ 4]))->tfar);
|
|
const vfloat4 c5 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[ 5]))->tfar);
|
|
const vfloat4 c6 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[ 6]))->tfar);
|
|
const vfloat4 c7 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[ 7]))->tfar);
|
|
const vfloat4 c8 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[ 8]))->tfar);
|
|
const vfloat4 c9 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[ 9]))->tfar);
|
|
const vfloat4 c10 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[10]))->tfar);
|
|
const vfloat4 c11 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[11]))->tfar);
|
|
const vfloat4 c12 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[12]))->tfar);
|
|
const vfloat4 c13 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[13]))->tfar);
|
|
const vfloat4 c14 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[14]))->tfar);
|
|
const vfloat4 c15 = vfloat4::loadu(&((Ray*)((char*)ptr + offset[15]))->tfar);
|
|
|
|
vfloat16 maskf, idf, flagsf;
|
|
transpose(c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12,c13,c14,c15,
|
|
ray.tfar, maskf, idf, flagsf);
|
|
ray.mask = asInt(maskf);
|
|
ray.id = asInt(idf);
|
|
ray.flags = asInt(flagsf);
|
|
|
|
return ray;
|
|
}
|
|
#endif
|
|
|
|
|
|
struct RayStreamAOP
|
|
{
|
|
__forceinline RayStreamAOP(void* rays)
|
|
: ptr((Ray**)rays) {}
|
|
|
|
__forceinline Ray& getRayByIndex(size_t index)
|
|
{
|
|
return *ptr[index];
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline RayK<K> getRayByIndex(const vint<K>& index);
|
|
|
|
template<int K>
|
|
__forceinline RayK<K> getRayByIndex(const vbool<K>& valid, const vint<K>& index)
|
|
{
|
|
const vint<K> valid_index = select(valid, index, vintx(zero));
|
|
return getRayByIndex<K>(valid_index);
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByIndex(const vbool<K>& valid_i, const vint<K>& index, const RayHitK<K>& ray)
|
|
{
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.geomID != RTC_INVALID_GEOMETRY_ID);
|
|
|
|
if (likely(any(valid)))
|
|
{
|
|
size_t valid_bits = movemask(valid);
|
|
while (valid_bits != 0)
|
|
{
|
|
const size_t k = bscf(valid_bits);
|
|
RayHit* __restrict__ ray_k = (RayHit*)ptr[index[k]];
|
|
|
|
ray_k->tfar = ray.tfar[k];
|
|
ray_k->Ng.x = ray.Ng.x[k];
|
|
ray_k->Ng.y = ray.Ng.y[k];
|
|
ray_k->Ng.z = ray.Ng.z[k];
|
|
ray_k->u = ray.u[k];
|
|
ray_k->v = ray.v[k];
|
|
ray_k->primID = ray.primID[k];
|
|
ray_k->geomID = ray.geomID[k];
|
|
instance_id_stack::copy_VU<K>(ray.instID, ray_k->instID, k);
|
|
}
|
|
}
|
|
}
|
|
|
|
template<int K>
|
|
__forceinline void setHitByIndex(const vbool<K>& valid_i, const vint<K>& index, const RayK<K>& ray)
|
|
{
|
|
vbool<K> valid = valid_i;
|
|
valid &= (ray.tfar < 0.0f);
|
|
|
|
if (likely(any(valid)))
|
|
{
|
|
size_t valid_bits = movemask(valid);
|
|
while (valid_bits != 0)
|
|
{
|
|
const size_t k = bscf(valid_bits);
|
|
Ray* __restrict__ ray_k = ptr[index[k]];
|
|
|
|
ray_k->tfar = ray.tfar[k];
|
|
}
|
|
}
|
|
}
|
|
|
|
Ray** __restrict__ ptr;
|
|
};
|
|
|
|
template<>
|
|
__forceinline Ray4 RayStreamAOP::getRayByIndex<4>(const vint4& index)
|
|
{
|
|
Ray4 ray;
|
|
|
|
/* load and transpose: org.x, org.y, org.z, tnear */
|
|
const vfloat4 a0 = vfloat4::loadu(&ptr[index[0]]->org);
|
|
const vfloat4 a1 = vfloat4::loadu(&ptr[index[1]]->org);
|
|
const vfloat4 a2 = vfloat4::loadu(&ptr[index[2]]->org);
|
|
const vfloat4 a3 = vfloat4::loadu(&ptr[index[3]]->org);
|
|
|
|
transpose(a0,a1,a2,a3, ray.org.x, ray.org.y, ray.org.z, ray.tnear());
|
|
|
|
/* load and transpose: dir.x, dir.y, dir.z, time */
|
|
const vfloat4 b0 = vfloat4::loadu(&ptr[index[0]]->dir);
|
|
const vfloat4 b1 = vfloat4::loadu(&ptr[index[1]]->dir);
|
|
const vfloat4 b2 = vfloat4::loadu(&ptr[index[2]]->dir);
|
|
const vfloat4 b3 = vfloat4::loadu(&ptr[index[3]]->dir);
|
|
|
|
transpose(b0,b1,b2,b3, ray.dir.x, ray.dir.y, ray.dir.z, ray.time());
|
|
|
|
/* load and transpose: tfar, mask, id, flags */
|
|
const vfloat4 c0 = vfloat4::loadu(&ptr[index[0]]->tfar);
|
|
const vfloat4 c1 = vfloat4::loadu(&ptr[index[1]]->tfar);
|
|
const vfloat4 c2 = vfloat4::loadu(&ptr[index[2]]->tfar);
|
|
const vfloat4 c3 = vfloat4::loadu(&ptr[index[3]]->tfar);
|
|
|
|
vfloat4 maskf, idf, flagsf;
|
|
transpose(c0,c1,c2,c3, ray.tfar, maskf, idf, flagsf);
|
|
ray.mask = asInt(maskf);
|
|
ray.id = asInt(idf);
|
|
ray.flags = asInt(flagsf);
|
|
|
|
return ray;
|
|
}
|
|
|
|
#if defined(__AVX__)
|
|
template<>
|
|
__forceinline Ray8 RayStreamAOP::getRayByIndex<8>(const vint8& index)
|
|
{
|
|
Ray8 ray;
|
|
|
|
/* load and transpose: org.x, org.y, org.z, tnear, dir.x, dir.y, dir.z, time */
|
|
const vfloat8 ab0 = vfloat8::loadu(&ptr[index[0]]->org);
|
|
const vfloat8 ab1 = vfloat8::loadu(&ptr[index[1]]->org);
|
|
const vfloat8 ab2 = vfloat8::loadu(&ptr[index[2]]->org);
|
|
const vfloat8 ab3 = vfloat8::loadu(&ptr[index[3]]->org);
|
|
const vfloat8 ab4 = vfloat8::loadu(&ptr[index[4]]->org);
|
|
const vfloat8 ab5 = vfloat8::loadu(&ptr[index[5]]->org);
|
|
const vfloat8 ab6 = vfloat8::loadu(&ptr[index[6]]->org);
|
|
const vfloat8 ab7 = vfloat8::loadu(&ptr[index[7]]->org);
|
|
|
|
transpose(ab0,ab1,ab2,ab3,ab4,ab5,ab6,ab7, ray.org.x, ray.org.y, ray.org.z, ray.tnear(), ray.dir.x, ray.dir.y, ray.dir.z, ray.time());
|
|
|
|
/* load and transpose: tfar, mask, id, flags */
|
|
const vfloat4 c0 = vfloat4::loadu(&ptr[index[0]]->tfar);
|
|
const vfloat4 c1 = vfloat4::loadu(&ptr[index[1]]->tfar);
|
|
const vfloat4 c2 = vfloat4::loadu(&ptr[index[2]]->tfar);
|
|
const vfloat4 c3 = vfloat4::loadu(&ptr[index[3]]->tfar);
|
|
const vfloat4 c4 = vfloat4::loadu(&ptr[index[4]]->tfar);
|
|
const vfloat4 c5 = vfloat4::loadu(&ptr[index[5]]->tfar);
|
|
const vfloat4 c6 = vfloat4::loadu(&ptr[index[6]]->tfar);
|
|
const vfloat4 c7 = vfloat4::loadu(&ptr[index[7]]->tfar);
|
|
|
|
vfloat8 maskf, idf, flagsf;
|
|
transpose(c0,c1,c2,c3,c4,c5,c6,c7, ray.tfar, maskf, idf, flagsf);
|
|
ray.mask = asInt(maskf);
|
|
ray.id = asInt(idf);
|
|
ray.flags = asInt(flagsf);
|
|
|
|
return ray;
|
|
}
|
|
#endif
|
|
|
|
#if defined(__AVX512F__)
|
|
template<>
|
|
__forceinline Ray16 RayStreamAOP::getRayByIndex<16>(const vint16& index)
|
|
{
|
|
Ray16 ray;
|
|
|
|
/* load and transpose: org.x, org.y, org.z, tnear, dir.x, dir.y, dir.z, time */
|
|
const vfloat8 ab0 = vfloat8::loadu(&ptr[index[0]]->org);
|
|
const vfloat8 ab1 = vfloat8::loadu(&ptr[index[1]]->org);
|
|
const vfloat8 ab2 = vfloat8::loadu(&ptr[index[2]]->org);
|
|
const vfloat8 ab3 = vfloat8::loadu(&ptr[index[3]]->org);
|
|
const vfloat8 ab4 = vfloat8::loadu(&ptr[index[4]]->org);
|
|
const vfloat8 ab5 = vfloat8::loadu(&ptr[index[5]]->org);
|
|
const vfloat8 ab6 = vfloat8::loadu(&ptr[index[6]]->org);
|
|
const vfloat8 ab7 = vfloat8::loadu(&ptr[index[7]]->org);
|
|
const vfloat8 ab8 = vfloat8::loadu(&ptr[index[8]]->org);
|
|
const vfloat8 ab9 = vfloat8::loadu(&ptr[index[9]]->org);
|
|
const vfloat8 ab10 = vfloat8::loadu(&ptr[index[10]]->org);
|
|
const vfloat8 ab11 = vfloat8::loadu(&ptr[index[11]]->org);
|
|
const vfloat8 ab12 = vfloat8::loadu(&ptr[index[12]]->org);
|
|
const vfloat8 ab13 = vfloat8::loadu(&ptr[index[13]]->org);
|
|
const vfloat8 ab14 = vfloat8::loadu(&ptr[index[14]]->org);
|
|
const vfloat8 ab15 = vfloat8::loadu(&ptr[index[15]]->org);
|
|
|
|
transpose(ab0,ab1,ab2,ab3,ab4,ab5,ab6,ab7,ab8,ab9,ab10,ab11,ab12,ab13,ab14,ab15,
|
|
ray.org.x, ray.org.y, ray.org.z, ray.tnear(), ray.dir.x, ray.dir.y, ray.dir.z, ray.time());
|
|
|
|
/* load and transpose: tfar, mask, id, flags */
|
|
const vfloat4 c0 = vfloat4::loadu(&ptr[index[0]]->tfar);
|
|
const vfloat4 c1 = vfloat4::loadu(&ptr[index[1]]->tfar);
|
|
const vfloat4 c2 = vfloat4::loadu(&ptr[index[2]]->tfar);
|
|
const vfloat4 c3 = vfloat4::loadu(&ptr[index[3]]->tfar);
|
|
const vfloat4 c4 = vfloat4::loadu(&ptr[index[4]]->tfar);
|
|
const vfloat4 c5 = vfloat4::loadu(&ptr[index[5]]->tfar);
|
|
const vfloat4 c6 = vfloat4::loadu(&ptr[index[6]]->tfar);
|
|
const vfloat4 c7 = vfloat4::loadu(&ptr[index[7]]->tfar);
|
|
const vfloat4 c8 = vfloat4::loadu(&ptr[index[8]]->tfar);
|
|
const vfloat4 c9 = vfloat4::loadu(&ptr[index[9]]->tfar);
|
|
const vfloat4 c10 = vfloat4::loadu(&ptr[index[10]]->tfar);
|
|
const vfloat4 c11 = vfloat4::loadu(&ptr[index[11]]->tfar);
|
|
const vfloat4 c12 = vfloat4::loadu(&ptr[index[12]]->tfar);
|
|
const vfloat4 c13 = vfloat4::loadu(&ptr[index[13]]->tfar);
|
|
const vfloat4 c14 = vfloat4::loadu(&ptr[index[14]]->tfar);
|
|
const vfloat4 c15 = vfloat4::loadu(&ptr[index[15]]->tfar);
|
|
|
|
vfloat16 maskf, idf, flagsf;
|
|
transpose(c0,c1,c2,c3,c4,c5,c6,c7,c8,c9,c10,c11,c12,c13,c14,c15,
|
|
ray.tfar, maskf, idf, flagsf);
|
|
|
|
ray.mask = asInt(maskf);
|
|
ray.id = asInt(idf);
|
|
ray.flags = asInt(flagsf);
|
|
|
|
return ray;
|
|
}
|
|
#endif
|
|
}
|