godot/thirdparty/embree/kernels/bvh/node_intersector.h

32 lines
693 B
C++

// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "bvh.h"
namespace embree
{
namespace isa
{
struct NearFarPrecalculations
{
size_t nearX, nearY, nearZ;
size_t farX, farY, farZ;
__forceinline NearFarPrecalculations() {}
__forceinline NearFarPrecalculations(const Vec3fa& dir, size_t N)
{
const size_t size = sizeof(float)*N;
nearX = (dir.x < 0.0f) ? 1*size : 0*size;
nearY = (dir.y < 0.0f) ? 3*size : 2*size;
nearZ = (dir.z < 0.0f) ? 5*size : 4*size;
farX = nearX ^ size;
farY = nearY ^ size;
farZ = nearZ ^ size;
}
};
}
}