173 lines
7 KiB
C++
173 lines
7 KiB
C++
// Copyright 2009-2021 Intel Corporation
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#pragma once
|
|
|
|
#include "../common/scene.h"
|
|
#include "../common/ray.h"
|
|
#include "../common/point_query.h"
|
|
#include "../bvh/node_intersector1.h"
|
|
#include "../bvh/node_intersector_packet.h"
|
|
|
|
namespace embree
|
|
{
|
|
namespace isa
|
|
{
|
|
template<typename Intersector>
|
|
struct ArrayIntersector1
|
|
{
|
|
typedef typename Intersector::Primitive Primitive;
|
|
typedef typename Intersector::Precalculations Precalculations;
|
|
|
|
template<int N, bool robust>
|
|
static __forceinline void intersect(const Accel::Intersectors* This, Precalculations& pre, RayHit& ray, RayQueryContext* context, const Primitive* prim, size_t num, const TravRay<N,robust> &tray, size_t& lazy_node)
|
|
{
|
|
for (size_t i=0; i<num; i++) {
|
|
Intersector::intersect(pre,ray,context,prim[i]);
|
|
}
|
|
}
|
|
|
|
template<int N, bool robust>
|
|
static __forceinline bool occluded(const Accel::Intersectors* This, Precalculations& pre, Ray& ray, RayQueryContext* context, const Primitive* prim, size_t num, const TravRay<N,robust> &tray, size_t& lazy_node)
|
|
{
|
|
for (size_t i=0; i<num; i++) {
|
|
if (Intersector::occluded(pre,ray,context,prim[i]))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
template<int N>
|
|
static __forceinline bool pointQuery(const Accel::Intersectors* This, PointQuery* query, PointQueryContext* context, const Primitive* prim, size_t num, const TravPointQuery<N> &tquery, size_t& lazy_node)
|
|
{
|
|
bool changed = false;
|
|
for (size_t i=0; i<num; i++)
|
|
changed |= Intersector::pointQuery(query, context, prim[i]);
|
|
return changed;
|
|
}
|
|
|
|
template<int K>
|
|
static __forceinline void intersectK(const vbool<K>& valid, /* PrecalculationsK& pre, */ RayHitK<K>& ray, RayQueryContext* context, const Primitive* prim, size_t num, size_t& lazy_node)
|
|
{
|
|
}
|
|
|
|
template<int K>
|
|
static __forceinline vbool<K> occludedK(const vbool<K>& valid, /* PrecalculationsK& pre, */ RayK<K>& ray, RayQueryContext* context, const Primitive* prim, size_t num, size_t& lazy_node)
|
|
{
|
|
return valid;
|
|
}
|
|
};
|
|
|
|
template<int K, typename Intersector>
|
|
struct ArrayIntersectorK_1
|
|
{
|
|
typedef typename Intersector::Primitive Primitive;
|
|
typedef typename Intersector::Precalculations Precalculations;
|
|
|
|
template<bool robust>
|
|
static __forceinline void intersect(const vbool<K>& valid, const Accel::Intersectors* This, Precalculations& pre, RayHitK<K>& ray, RayQueryContext* context, const Primitive* prim, size_t num, const TravRayK<K, robust> &tray, size_t& lazy_node)
|
|
{
|
|
for (size_t i=0; i<num; i++) {
|
|
Intersector::intersect(valid,pre,ray,context,prim[i]);
|
|
}
|
|
}
|
|
|
|
template<bool robust>
|
|
static __forceinline vbool<K> occluded(const vbool<K>& valid, const Accel::Intersectors* This, Precalculations& pre, RayK<K>& ray, RayQueryContext* context, const Primitive* prim, size_t num, const TravRayK<K, robust> &tray, size_t& lazy_node)
|
|
{
|
|
vbool<K> valid0 = valid;
|
|
for (size_t i=0; i<num; i++) {
|
|
valid0 &= !Intersector::occluded(valid0,pre,ray,context,prim[i]);
|
|
if (none(valid0)) break;
|
|
}
|
|
return !valid0;
|
|
}
|
|
|
|
template<int N, bool robust>
|
|
static __forceinline void intersect(const Accel::Intersectors* This, Precalculations& pre, RayHitK<K>& ray, size_t k, RayQueryContext* context, const Primitive* prim, size_t num, const TravRay<N,robust> &tray, size_t& lazy_node)
|
|
{
|
|
for (size_t i=0; i<num; i++) {
|
|
Intersector::intersect(pre,ray,k,context,prim[i]);
|
|
}
|
|
}
|
|
|
|
template<int N, bool robust>
|
|
static __forceinline bool occluded(const Accel::Intersectors* This, Precalculations& pre, RayK<K>& ray, size_t k, RayQueryContext* context, const Primitive* prim, size_t num, const TravRay<N,robust> &tray, size_t& lazy_node)
|
|
{
|
|
for (size_t i=0; i<num; i++) {
|
|
if (Intersector::occluded(pre,ray,k,context,prim[i]))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
};
|
|
|
|
// =============================================================================================
|
|
|
|
template<int K, typename IntersectorK>
|
|
struct ArrayIntersectorKStream
|
|
{
|
|
typedef typename IntersectorK::Primitive PrimitiveK;
|
|
typedef typename IntersectorK::Precalculations PrecalculationsK;
|
|
|
|
static __forceinline void intersectK(const vbool<K>& valid, const Accel::Intersectors* This, /* PrecalculationsK& pre, */ RayHitK<K>& ray, RayQueryContext* context, const PrimitiveK* prim, size_t num, size_t& lazy_node)
|
|
{
|
|
PrecalculationsK pre(valid,ray); // FIXME: might cause trouble
|
|
|
|
for (size_t i=0; i<num; i++) {
|
|
IntersectorK::intersect(valid,pre,ray,context,prim[i]);
|
|
}
|
|
}
|
|
|
|
static __forceinline vbool<K> occludedK(const vbool<K>& valid, const Accel::Intersectors* This, /* PrecalculationsK& pre, */ RayK<K>& ray, RayQueryContext* context, const PrimitiveK* prim, size_t num, size_t& lazy_node)
|
|
{
|
|
PrecalculationsK pre(valid,ray); // FIXME: might cause trouble
|
|
vbool<K> valid0 = valid;
|
|
for (size_t i=0; i<num; i++) {
|
|
valid0 &= !IntersectorK::occluded(valid0,pre,ray,context,prim[i]);
|
|
if (none(valid0)) break;
|
|
}
|
|
return !valid0;
|
|
}
|
|
|
|
static __forceinline void intersect(const Accel::Intersectors* This, RayHitK<K>& ray, size_t k, RayQueryContext* context, const PrimitiveK* prim, size_t num, size_t& lazy_node)
|
|
{
|
|
PrecalculationsK pre(ray.tnear() <= ray.tfar,ray); // FIXME: might cause trouble
|
|
for (size_t i=0; i<num; i++) {
|
|
IntersectorK::intersect(pre,ray,k,context,prim[i]);
|
|
}
|
|
}
|
|
|
|
static __forceinline bool occluded(const Accel::Intersectors* This, RayK<K>& ray, size_t k, RayQueryContext* context, const PrimitiveK* prim, size_t num, size_t& lazy_node)
|
|
{
|
|
PrecalculationsK pre(ray.tnear() <= ray.tfar,ray); // FIXME: might cause trouble
|
|
for (size_t i=0; i<num; i++) {
|
|
if (IntersectorK::occluded(pre,ray,k,context,prim[i]))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
static __forceinline size_t occluded(const Accel::Intersectors* This, size_t cur_mask, RayK<K>** __restrict__ inputPackets, RayQueryContext* context, const PrimitiveK* prim, size_t num, size_t& lazy_node)
|
|
{
|
|
size_t m_occluded = 0;
|
|
for (size_t i=0; i<num; i++) {
|
|
size_t bits = cur_mask & (~m_occluded);
|
|
for (; bits!=0; )
|
|
{
|
|
const size_t rayID = bscf(bits);
|
|
RayHitK<K> &ray = *inputPackets[rayID / K];
|
|
const size_t k = rayID % K;
|
|
PrecalculationsK pre(ray.tnear() <= ray.tfar,ray); // FIXME: might cause trouble
|
|
if (IntersectorK::occluded(pre,ray,k,context,prim[i]))
|
|
{
|
|
m_occluded |= (size_t)1 << rayID;
|
|
ray.tfar[k] = neg_inf;
|
|
}
|
|
}
|
|
}
|
|
return m_occluded;
|
|
}
|
|
};
|
|
}
|
|
}
|