31 lines
693 B
C++
31 lines
693 B
C++
// Copyright 2009-2020 Intel Corporation
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// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#include "bvh.h"
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namespace embree
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{
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namespace isa
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{
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struct NearFarPrecalculations
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{
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size_t nearX, nearY, nearZ;
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size_t farX, farY, farZ;
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__forceinline NearFarPrecalculations() {}
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__forceinline NearFarPrecalculations(const Vec3fa& dir, size_t N)
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{
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const size_t size = sizeof(float)*N;
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nearX = (dir.x < 0.0f) ? 1*size : 0*size;
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nearY = (dir.y < 0.0f) ? 3*size : 2*size;
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nearZ = (dir.z < 0.0f) ? 5*size : 4*size;
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farX = nearX ^ size;
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farY = nearY ^ size;
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farZ = nearZ ^ size;
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}
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};
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}
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}
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