godot/thirdparty/embree/kernels/geometry/grid_intersector.h

100 lines
3.8 KiB
C++

// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "grid_soa.h"
#include "grid_soa_intersector1.h"
#include "grid_soa_intersector_packet.h"
#include "../common/ray.h"
namespace embree
{
namespace isa
{
template<typename T>
class SubdivPatch1Precalculations : public T
{
public:
__forceinline SubdivPatch1Precalculations (const Ray& ray, const void* ptr)
: T(ray,ptr) {}
};
template<int K, typename T>
class SubdivPatch1PrecalculationsK : public T
{
public:
__forceinline SubdivPatch1PrecalculationsK (const vbool<K>& valid, RayK<K>& ray)
: T(valid,ray) {}
};
class Grid1Intersector1
{
public:
typedef GridSOA Primitive;
typedef Grid1Precalculations<GridSOAIntersector1::Precalculations> Precalculations;
/*! Intersect a ray with the primitive. */
static __forceinline void intersect(Precalculations& pre, RayHit& ray, IntersectContext* context, const Primitive* prim, size_t ty, size_t& lazy_node)
{
GridSOAIntersector1::intersect(pre,ray,context,prim,lazy_node);
}
static __forceinline void intersect(Precalculations& pre, RayHit& ray, IntersectContext* context, size_t ty0, const Primitive* prim, size_t ty, size_t& lazy_node) {
intersect(pre,ray,context,prim,ty,lazy_node);
}
/*! Test if the ray is occluded by the primitive */
static __forceinline bool occluded(Precalculations& pre, Ray& ray, IntersectContext* context, const Primitive* prim, size_t ty, size_t& lazy_node)
{
GridSOAIntersector1::occluded(pre,ray,context,prim,lazy_node);
}
static __forceinline bool occluded(Precalculations& pre, Ray& ray, IntersectContext* context, size_t ty0, const Primitive* prim, size_t ty, size_t& lazy_node) {
return occluded(pre,ray,context,prim,ty,lazy_node);
}
static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, const Primitive* prim, size_t ty, size_t& lazy_node) {
assert(false && "not implemented");
return false;
}
static __forceinline bool pointQuery(PointQuery* query, PointQueryContext* context, size_t ty0, const Primitive* prim, size_t ty, size_t& lazy_node) {
assert(false && "not implemented");
return false;
}
};
template <int K>
struct GridIntersectorK
{
typedef GridSOA Primitive;
typedef SubdivPatch1PrecalculationsK<K,typename GridSOAIntersectorK<K>::Precalculations> Precalculations;
static __forceinline void intersect(const vbool<K>& valid, Precalculations& pre, RayHitK<K>& ray, IntersectContext* context, const Primitive* prim, size_t ty, size_t& lazy_node)
{
GridSOAIntersectorK<K>::intersect(valid,pre,ray,context,prim,lazy_node);
}
static __forceinline vbool<K> occluded(const vbool<K>& valid, Precalculations& pre, RayK<K>& ray, IntersectContext* context, const Primitive* prim, size_t ty, size_t& lazy_node)
{
GridSOAIntersectorK<K>::occluded(valid,pre,ray,context,prim,lazy_node);
}
static __forceinline void intersect(Precalculations& pre, RayHitK<K>& ray, size_t k, IntersectContext* context, const Primitive* prim, size_t ty, size_t& lazy_node)
{
GridSOAIntersectorK<K>::intersect(pre,ray,k,context,prim,lazy_node);
}
static __forceinline bool occluded(Precalculations& pre, RayK<K>& ray, size_t k, IntersectContext* context, const Primitive* prim, size_t ty, size_t& lazy_node)
{
GridSOAIntersectorK<K>::occluded(pre,ray,k,context,prim,lazy_node);
}
};
typedef Grid1IntersectorK<4> SubdivPatch1Intersector4;
typedef Grid1IntersectorK<8> SubdivPatch1Intersector8;
typedef Grid1IntersectorK<16> SubdivPatch1Intersector16;
}
}