noahbackus
9d30169a8d
Some checks failed
🔗 GHA / 📊 Static checks (push) Has been cancelled
🔗 GHA / 🤖 Android (push) Has been cancelled
🔗 GHA / 🍏 iOS (push) Has been cancelled
🔗 GHA / 🐧 Linux (push) Has been cancelled
🔗 GHA / 🍎 macOS (push) Has been cancelled
🔗 GHA / 🏁 Windows (push) Has been cancelled
🔗 GHA / 🌐 Web (push) Has been cancelled
32 lines
693 B
C++
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;
|
|
}
|
|
};
|
|
}
|
|
}
|