a69cc9f13d
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.
(cherry picked from commit 767e374dce)
91 lines
3.2 KiB
C++
91 lines
3.2 KiB
C++
// Copyright 2009-2021 Intel Corporation
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
|
|
#pragma once
|
|
|
|
#include "bvh_node_base.h"
|
|
|
|
namespace embree
|
|
{
|
|
template<typename NodeRef, int N>
|
|
struct OBBNodeMB_t : public BaseNode_t<NodeRef, N>
|
|
{
|
|
using BaseNode_t<NodeRef,N>::children;
|
|
|
|
struct Create
|
|
{
|
|
__forceinline NodeRef operator() (const FastAllocator::CachedAllocator& alloc) const
|
|
{
|
|
OBBNodeMB_t* node = (OBBNodeMB_t*) alloc.malloc0(sizeof(OBBNodeMB_t),NodeRef::byteNodeAlignment); node->clear();
|
|
return NodeRef::encodeNode(node);
|
|
}
|
|
};
|
|
|
|
struct Set
|
|
{
|
|
__forceinline void operator() (NodeRef node, size_t i, NodeRef child, const LinearSpace3fa& space, const LBBox3fa& lbounds, const BBox1f dt) const {
|
|
node.ungetAABBNodeMB()->setRef(i,child);
|
|
node.ungetAABBNodeMB()->setBounds(i,space,lbounds.global(dt));
|
|
}
|
|
};
|
|
|
|
/*! Clears the node. */
|
|
__forceinline void clear()
|
|
{
|
|
space0 = one;
|
|
//b0.lower = b0.upper = Vec3fa(nan);
|
|
b1.lower = b1.upper = Vec3fa(nan);
|
|
BaseNode_t<NodeRef,N>::clear();
|
|
}
|
|
|
|
/*! Sets space and bounding boxes. */
|
|
__forceinline void setBounds(size_t i, const AffineSpace3fa& space, const LBBox3fa& lbounds) {
|
|
setBounds(i,space,lbounds.bounds0,lbounds.bounds1);
|
|
}
|
|
|
|
/*! Sets space and bounding boxes. */
|
|
__forceinline void setBounds(size_t i, const AffineSpace3fa& s0, const BBox3fa& a, const BBox3fa& c)
|
|
{
|
|
assert(i < N);
|
|
|
|
AffineSpace3fa space = s0;
|
|
space.p -= a.lower;
|
|
Vec3fa scale = 1.0f/max(Vec3fa(1E-19f),a.upper-a.lower);
|
|
space = AffineSpace3fa::scale(scale)*space;
|
|
BBox3fa a1((a.lower-a.lower)*scale,(a.upper-a.lower)*scale);
|
|
BBox3fa c1((c.lower-a.lower)*scale,(c.upper-a.lower)*scale);
|
|
|
|
space0.l.vx.x[i] = space.l.vx.x; space0.l.vx.y[i] = space.l.vx.y; space0.l.vx.z[i] = space.l.vx.z;
|
|
space0.l.vy.x[i] = space.l.vy.x; space0.l.vy.y[i] = space.l.vy.y; space0.l.vy.z[i] = space.l.vy.z;
|
|
space0.l.vz.x[i] = space.l.vz.x; space0.l.vz.y[i] = space.l.vz.y; space0.l.vz.z[i] = space.l.vz.z;
|
|
space0.p .x[i] = space.p .x; space0.p .y[i] = space.p .y; space0.p .z[i] = space.p .z;
|
|
|
|
/*b0.lower.x[i] = a1.lower.x; b0.lower.y[i] = a1.lower.y; b0.lower.z[i] = a1.lower.z;
|
|
b0.upper.x[i] = a1.upper.x; b0.upper.y[i] = a1.upper.y; b0.upper.z[i] = a1.upper.z;*/
|
|
|
|
b1.lower.x[i] = c1.lower.x; b1.lower.y[i] = c1.lower.y; b1.lower.z[i] = c1.lower.z;
|
|
b1.upper.x[i] = c1.upper.x; b1.upper.y[i] = c1.upper.y; b1.upper.z[i] = c1.upper.z;
|
|
}
|
|
|
|
/*! Sets ID of child. */
|
|
__forceinline void setRef(size_t i, const NodeRef& ref) {
|
|
assert(i < N);
|
|
children[i] = ref;
|
|
}
|
|
|
|
/*! Returns the extent of the bounds of the ith child */
|
|
__forceinline Vec3fa extent0(size_t i) const {
|
|
assert(i < N);
|
|
const Vec3fa vx(space0.l.vx.x[i],space0.l.vx.y[i],space0.l.vx.z[i]);
|
|
const Vec3fa vy(space0.l.vy.x[i],space0.l.vy.y[i],space0.l.vy.z[i]);
|
|
const Vec3fa vz(space0.l.vz.x[i],space0.l.vz.y[i],space0.l.vz.z[i]);
|
|
return rsqrt(vx*vx + vy*vy + vz*vz);
|
|
}
|
|
|
|
public:
|
|
AffineSpace3vf<N> space0;
|
|
//BBox3vf<N> b0; // these are the unit bounds
|
|
BBox3vf<N> b1;
|
|
};
|
|
}
|