121 lines
5.4 KiB
C++
121 lines
5.4 KiB
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 "../sys/alloc.h"
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#include "math.h"
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#include "../simd/sse.h"
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namespace embree
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{
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////////////////////////////////////////////////////////////////////////////////
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/// SSE Vec3ba Type
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////////////////////////////////////////////////////////////////////////////////
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struct __aligned(16) Vec3ba
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{
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ALIGNED_STRUCT_(16);
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union {
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__m128 m128;
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struct { int x,y,z; };
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};
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typedef int Scalar;
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enum { N = 3 };
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////////////////////////////////////////////////////////////////////////////////
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/// Constructors, Assignment & Cast Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline Vec3ba( ) {}
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__forceinline Vec3ba( const __m128 input ) : m128(input) {}
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__forceinline Vec3ba( const Vec3ba& other ) : m128(other.m128) {}
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__forceinline Vec3ba& operator =(const Vec3ba& other) { m128 = other.m128; return *this; }
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__forceinline explicit Vec3ba( bool a )
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: m128(mm_lookupmask_ps[(size_t(a) << 3) | (size_t(a) << 2) | (size_t(a) << 1) | size_t(a)]) {}
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__forceinline Vec3ba( bool a, bool b, bool c)
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: m128(mm_lookupmask_ps[(size_t(c) << 2) | (size_t(b) << 1) | size_t(a)]) {}
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__forceinline operator const __m128&() const { return m128; }
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__forceinline operator __m128&() { return m128; }
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////////////////////////////////////////////////////////////////////////////////
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/// Constants
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////////////////////////////////////////////////////////////////////////////////
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__forceinline Vec3ba( FalseTy ) : m128(_mm_setzero_ps()) {}
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__forceinline Vec3ba( TrueTy ) : m128(_mm_castsi128_ps(_mm_cmpeq_epi32(_mm_setzero_si128(), _mm_setzero_si128()))) {}
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////////////////////////////////////////////////////////////////////////////////
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/// Array Access
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////////////////////////////////////////////////////////////////////////////////
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__forceinline const int& operator []( const size_t index ) const { assert(index < 3); return (&x)[index]; }
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__forceinline int& operator []( const size_t index ) { assert(index < 3); return (&x)[index]; }
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};
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////////////////////////////////////////////////////////////////////////////////
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/// Unary Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline Vec3ba operator !( const Vec3ba& a ) { return _mm_xor_ps(a.m128, Vec3ba(embree::True)); }
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////////////////////////////////////////////////////////////////////////////////
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/// Binary Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline Vec3ba operator &( const Vec3ba& a, const Vec3ba& b ) { return _mm_and_ps(a.m128, b.m128); }
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__forceinline Vec3ba operator |( const Vec3ba& a, const Vec3ba& b ) { return _mm_or_ps (a.m128, b.m128); }
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__forceinline Vec3ba operator ^( const Vec3ba& a, const Vec3ba& b ) { return _mm_xor_ps(a.m128, b.m128); }
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////////////////////////////////////////////////////////////////////////////////
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/// Assignment Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline Vec3ba& operator &=( Vec3ba& a, const Vec3ba& b ) { return a = a & b; }
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__forceinline Vec3ba& operator |=( Vec3ba& a, const Vec3ba& b ) { return a = a | b; }
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__forceinline Vec3ba& operator ^=( Vec3ba& a, const Vec3ba& b ) { return a = a ^ b; }
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////////////////////////////////////////////////////////////////////////////////
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/// Comparison Operators + Select
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////////////////////////////////////////////////////////////////////////////////
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__forceinline bool operator ==( const Vec3ba& a, const Vec3ba& b ) {
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return (_mm_movemask_ps(_mm_castsi128_ps(_mm_cmpeq_epi32(_mm_castps_si128(a.m128), _mm_castps_si128(b.m128)))) & 7) == 7;
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}
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__forceinline bool operator !=( const Vec3ba& a, const Vec3ba& b ) {
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return (_mm_movemask_ps(_mm_castsi128_ps(_mm_cmpeq_epi32(_mm_castps_si128(a.m128), _mm_castps_si128(b.m128)))) & 7) != 7;
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}
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__forceinline bool operator < ( const Vec3ba& a, const Vec3ba& b ) {
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if (a.x != b.x) return a.x < b.x;
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if (a.y != b.y) return a.y < b.y;
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if (a.z != b.z) return a.z < b.z;
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return false;
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}
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////////////////////////////////////////////////////////////////////////////////
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/// Reduction Operations
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////////////////////////////////////////////////////////////////////////////////
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__forceinline bool reduce_and( const Vec3ba& a ) { return (_mm_movemask_ps(a) & 0x7) == 0x7; }
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__forceinline bool reduce_or ( const Vec3ba& a ) { return (_mm_movemask_ps(a) & 0x7) != 0x0; }
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__forceinline bool all ( const Vec3ba& b ) { return (_mm_movemask_ps(b) & 0x7) == 0x7; }
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__forceinline bool any ( const Vec3ba& b ) { return (_mm_movemask_ps(b) & 0x7) != 0x0; }
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__forceinline bool none ( const Vec3ba& b ) { return (_mm_movemask_ps(b) & 0x7) == 0x0; }
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__forceinline size_t movemask(const Vec3ba& a) { return _mm_movemask_ps(a) & 0x7; }
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////////////////////////////////////////////////////////////////////////////////
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/// Output Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline embree_ostream operator<<(embree_ostream cout, const Vec3ba& a) {
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return cout << "(" << (a.x ? "1" : "0") << ", " << (a.y ? "1" : "0") << ", " << (a.z ? "1" : "0") << ")";
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}
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}
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