virtualx-engine/thirdparty/embree/kernels/bvh/bvh_node_base.h
jfons 767e374dce Upgrade Embree to the latest official release.
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.
2021-05-21 17:00:24 +02:00

43 lines
1 KiB
C++

// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "bvh_node_ref.h"
namespace embree
{
/*! BVHN Base Node */
template<typename NodeRef, int N>
struct BaseNode_t
{
/*! Clears the node. */
__forceinline void clear()
{
for (size_t i=0; i<N; i++)
children[i] = NodeRef::emptyNode;
}
/*! Returns reference to specified child */
__forceinline NodeRef& child(size_t i) { assert(i<N); return children[i]; }
__forceinline const NodeRef& child(size_t i) const { assert(i<N); return children[i]; }
/*! verifies the node */
__forceinline bool verify() const
{
for (size_t i=0; i<N; i++) {
if (child(i) == NodeRef::emptyNode) {
for (; i<N; i++) {
if (child(i) != NodeRef::emptyNode)
return false;
}
break;
}
}
return true;
}
NodeRef children[N]; //!< Pointer to the N children (can be a node or leaf)
};
}