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.
58 lines
2.4 KiB
C++
58 lines
2.4 KiB
C++
// Copyright 2009-2021 Intel Corporation
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#pragma once
|
|
|
|
#include "bvh.h"
|
|
#include "../common/ray.h"
|
|
#include "../common/stack_item.h"
|
|
#include "node_intersector_frustum.h"
|
|
|
|
namespace embree
|
|
{
|
|
namespace isa
|
|
{
|
|
template<int K, bool robust>
|
|
struct TravRayK;
|
|
|
|
/*! BVH hybrid packet intersector. Switches between packet and single ray traversal (optional). */
|
|
template<int N, int K, int types, bool robust, typename PrimitiveIntersectorK, bool single = true>
|
|
class BVHNIntersectorKHybrid
|
|
{
|
|
/* shortcuts for frequently used types */
|
|
typedef typename PrimitiveIntersectorK::Precalculations Precalculations;
|
|
typedef typename PrimitiveIntersectorK::Primitive Primitive;
|
|
typedef BVHN<N> BVH;
|
|
typedef typename BVH::NodeRef NodeRef;
|
|
typedef typename BVH::BaseNode BaseNode;
|
|
typedef typename BVH::AABBNode AABBNode;
|
|
|
|
static const size_t stackSizeSingle = 1+(N-1)*BVH::maxDepth+3; // +3 due to 16-wide store
|
|
static const size_t stackSizeChunk = 1+(N-1)*BVH::maxDepth;
|
|
|
|
static const size_t switchThresholdIncoherent = \
|
|
(K==4) ? 3 :
|
|
(K==8) ? ((N==4) ? 5 : 7) :
|
|
(K==16) ? 14 : // 14 seems to work best for KNL due to better ordered chunk traversal
|
|
0;
|
|
|
|
private:
|
|
static void intersect1(Accel::Intersectors* This, const BVH* bvh, NodeRef root, size_t k, Precalculations& pre,
|
|
RayHitK<K>& ray, const TravRayK<K, robust>& tray, IntersectContext* context);
|
|
static bool occluded1(Accel::Intersectors* This, const BVH* bvh, NodeRef root, size_t k, Precalculations& pre,
|
|
RayK<K>& ray, const TravRayK<K, robust>& tray, IntersectContext* context);
|
|
|
|
public:
|
|
static void intersect(vint<K>* valid, Accel::Intersectors* This, RayHitK<K>& ray, IntersectContext* context);
|
|
static void occluded (vint<K>* valid, Accel::Intersectors* This, RayK<K>& ray, IntersectContext* context);
|
|
|
|
static void intersectCoherent(vint<K>* valid, Accel::Intersectors* This, RayHitK<K>& ray, IntersectContext* context);
|
|
static void occludedCoherent (vint<K>* valid, Accel::Intersectors* This, RayK<K>& ray, IntersectContext* context);
|
|
|
|
};
|
|
|
|
/*! BVH packet intersector. */
|
|
template<int N, int K, int types, bool robust, typename PrimitiveIntersectorK>
|
|
class BVHNIntersectorKChunk : public BVHNIntersectorKHybrid<N, K, types, robust, PrimitiveIntersectorK, false> {};
|
|
}
|
|
}
|