429 lines
22 KiB
C++
429 lines
22 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 "../math/math.h"
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namespace embree
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{
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/* 4-wide SSE integer type */
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template<>
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struct vuint<4>
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{
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ALIGNED_STRUCT_(16);
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typedef vboolf4 Bool;
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typedef vuint4 Int;
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typedef vfloat4 Float;
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enum { size = 4 }; // number of SIMD elements
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union { __m128i v; unsigned int i[4]; }; // data
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////////////////////////////////////////////////////////////////////////////////
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/// Constructors, Assignment & Cast Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline vuint() {}
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__forceinline vuint(const vuint4& a) { v = a.v; }
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__forceinline vuint4& operator =(const vuint4& a) { v = a.v; return *this; }
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__forceinline vuint(const __m128i a) : v(a) {}
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__forceinline operator const __m128i&() const { return v; }
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__forceinline operator __m128i&() { return v; }
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__forceinline vuint(unsigned int a) : v(_mm_set1_epi32(a)) {}
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__forceinline vuint(unsigned int a, unsigned int b, unsigned int c, unsigned int d) : v(_mm_set_epi32(d, c, b, a)) {}
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#if defined(__AVX512VL__)
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__forceinline explicit vuint(__m128 a) : v(_mm_cvtps_epu32(a)) {}
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#endif
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#if defined(__AVX512VL__)
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__forceinline explicit vuint(const vboolf4& a) : v(_mm_movm_epi32(a)) {}
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#else
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__forceinline explicit vuint(const vboolf4& a) : v(_mm_castps_si128((__m128)a)) {}
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#endif
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////////////////////////////////////////////////////////////////////////////////
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/// Constants
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////////////////////////////////////////////////////////////////////////////////
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__forceinline vuint(ZeroTy) : v(_mm_setzero_si128()) {}
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__forceinline vuint(OneTy) : v(_mm_set1_epi32(1)) {}
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__forceinline vuint(PosInfTy) : v(_mm_set1_epi32(unsigned(pos_inf))) {}
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__forceinline vuint(StepTy) : v(_mm_set_epi32(3, 2, 1, 0)) {}
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__forceinline vuint(TrueTy) { v = _mm_cmpeq_epi32(v,v); }
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__forceinline vuint(UndefinedTy) : v(_mm_castps_si128(_mm_undefined_ps())) {}
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////////////////////////////////////////////////////////////////////////////////
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/// Loads and Stores
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////////////////////////////////////////////////////////////////////////////////
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static __forceinline vuint4 load (const void* a) { return _mm_load_si128((__m128i*)a); }
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static __forceinline vuint4 loadu(const void* a) { return _mm_loadu_si128((__m128i*)a); }
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static __forceinline void store (void* ptr, const vuint4& v) { _mm_store_si128((__m128i*)ptr,v); }
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static __forceinline void storeu(void* ptr, const vuint4& v) { _mm_storeu_si128((__m128i*)ptr,v); }
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#if defined(__AVX512VL__)
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static __forceinline vuint4 load (const vboolf4& mask, const void* ptr) { return _mm_mask_load_epi32 (_mm_setzero_si128(),mask,ptr); }
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static __forceinline vuint4 loadu(const vboolf4& mask, const void* ptr) { return _mm_mask_loadu_epi32(_mm_setzero_si128(),mask,ptr); }
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static __forceinline void store (const vboolf4& mask, void* ptr, const vuint4& v) { _mm_mask_store_epi32 (ptr,mask,v); }
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static __forceinline void storeu(const vboolf4& mask, void* ptr, const vuint4& v) { _mm_mask_storeu_epi32(ptr,mask,v); }
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#elif defined(__AVX__)
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static __forceinline vuint4 load (const vbool4& mask, const void* a) { return _mm_castps_si128(_mm_maskload_ps((float*)a,mask)); }
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static __forceinline vuint4 loadu(const vbool4& mask, const void* a) { return _mm_castps_si128(_mm_maskload_ps((float*)a,mask)); }
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static __forceinline void store (const vboolf4& mask, void* ptr, const vuint4& i) { _mm_maskstore_ps((float*)ptr,(__m128i)mask,_mm_castsi128_ps(i)); }
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static __forceinline void storeu(const vboolf4& mask, void* ptr, const vuint4& i) { _mm_maskstore_ps((float*)ptr,(__m128i)mask,_mm_castsi128_ps(i)); }
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#else
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static __forceinline vuint4 load (const vbool4& mask, const void* a) { return _mm_and_si128(_mm_load_si128 ((__m128i*)a),mask); }
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static __forceinline vuint4 loadu(const vbool4& mask, const void* a) { return _mm_and_si128(_mm_loadu_si128((__m128i*)a),mask); }
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static __forceinline void store (const vboolf4& mask, void* ptr, const vuint4& i) { store (ptr,select(mask,i,load (ptr))); }
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static __forceinline void storeu(const vboolf4& mask, void* ptr, const vuint4& i) { storeu(ptr,select(mask,i,loadu(ptr))); }
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#endif
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#if defined(__SSE4_1__)
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static __forceinline vuint4 load(const unsigned char* ptr) {
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return _mm_cvtepu8_epi32(_mm_loadl_epi64((__m128i*)ptr));
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}
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static __forceinline vuint4 loadu(const unsigned char* ptr) {
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return _mm_cvtepu8_epi32(_mm_loadl_epi64((__m128i*)ptr));
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}
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#endif
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static __forceinline vuint4 load(const unsigned short* ptr) {
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#if defined (__SSE4_1__)
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return _mm_cvtepu16_epi32(_mm_loadu_si128((__m128i*)ptr));
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#else
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return vuint4(ptr[0],ptr[1],ptr[2],ptr[3]);
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#endif
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}
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static __forceinline void store_uchar(unsigned char* ptr, const vuint4& v) {
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#if defined(__SSE4_1__)
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__m128i x = v;
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x = _mm_packus_epi32(x, x);
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x = _mm_packus_epi16(x, x);
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*(unsigned*)ptr = _mm_cvtsi128_si32(x);
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#else
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for (size_t i=0;i<4;i++)
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ptr[i] = (unsigned char)v[i];
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#endif
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}
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static __forceinline void store_uchar(unsigned short* ptr, const vuint4& v) {
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for (size_t i=0;i<4;i++)
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ptr[i] = (unsigned short)v[i];
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}
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static __forceinline vuint4 load_nt(void* ptr) {
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#if defined(__SSE4_1__)
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return _mm_stream_load_si128((__m128i*)ptr);
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#else
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return _mm_load_si128((__m128i*)ptr);
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#endif
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}
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static __forceinline void store_nt(void* ptr, const vuint4& v) {
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#if defined(__SSE4_1__)
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_mm_stream_ps((float*)ptr,_mm_castsi128_ps(v));
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#else
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_mm_store_si128((__m128i*)ptr,v);
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#endif
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}
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template<int scale = 4>
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static __forceinline vuint4 gather(const unsigned int* ptr, const vint4& index) {
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#if defined(__AVX2__)
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return _mm_i32gather_epi32((const int*)ptr, index, scale);
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#else
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return vuint4(
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*(unsigned int*)(((char*)ptr)+scale*index[0]),
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*(unsigned int*)(((char*)ptr)+scale*index[1]),
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*(unsigned int*)(((char*)ptr)+scale*index[2]),
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*(unsigned int*)(((char*)ptr)+scale*index[3]));
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#endif
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}
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template<int scale = 4>
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static __forceinline vuint4 gather(const vboolf4& mask, const unsigned int* ptr, const vint4& index) {
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vuint4 r = zero;
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#if defined(__AVX512VL__)
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return _mm_mmask_i32gather_epi32(r, mask, index, ptr, scale);
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#elif defined(__AVX2__)
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return _mm_mask_i32gather_epi32(r, (const int*)ptr, index, mask, scale);
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#else
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if (likely(mask[0])) r[0] = *(unsigned int*)(((char*)ptr)+scale*index[0]);
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if (likely(mask[1])) r[1] = *(unsigned int*)(((char*)ptr)+scale*index[1]);
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if (likely(mask[2])) r[2] = *(unsigned int*)(((char*)ptr)+scale*index[2]);
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if (likely(mask[3])) r[3] = *(unsigned int*)(((char*)ptr)+scale*index[3]);
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return r;
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#endif
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}
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////////////////////////////////////////////////////////////////////////////////
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/// Array Access
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////////////////////////////////////////////////////////////////////////////////
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__forceinline const unsigned int& operator [](size_t index) const { assert(index < 4); return i[index]; }
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__forceinline unsigned int& operator [](size_t index) { assert(index < 4); return i[index]; }
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friend __forceinline vuint4 select(const vboolf4& m, const vuint4& t, const vuint4& f) {
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#if defined(__AVX512VL__)
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return _mm_mask_blend_epi32(m, (__m128i)f, (__m128i)t);
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#elif defined(__SSE4_1__)
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return _mm_castps_si128(_mm_blendv_ps(_mm_castsi128_ps(f), _mm_castsi128_ps(t), m));
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#else
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return _mm_or_si128(_mm_and_si128(m, t), _mm_andnot_si128(m, f));
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#endif
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}
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};
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////////////////////////////////////////////////////////////////////////////////
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/// Unary Operators
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////////////////////////////////////////////////////////////////////////////////
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#if defined(__AVX512VL__)
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__forceinline vboolf4 asBool(const vuint4& a) { return _mm_movepi32_mask(a); }
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#else
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__forceinline vboolf4 asBool(const vuint4& a) { return _mm_castsi128_ps(a); }
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#endif
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__forceinline vuint4 operator +(const vuint4& a) { return a; }
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__forceinline vuint4 operator -(const vuint4& a) { return _mm_sub_epi32(_mm_setzero_si128(), a); }
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////////////////////////////////////////////////////////////////////////////////
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/// Binary Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline vuint4 operator +(const vuint4& a, const vuint4& b) { return _mm_add_epi32(a, b); }
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__forceinline vuint4 operator +(const vuint4& a, unsigned int b) { return a + vuint4(b); }
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__forceinline vuint4 operator +(unsigned int a, const vuint4& b) { return vuint4(a) + b; }
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__forceinline vuint4 operator -(const vuint4& a, const vuint4& b) { return _mm_sub_epi32(a, b); }
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__forceinline vuint4 operator -(const vuint4& a, unsigned int b) { return a - vuint4(b); }
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__forceinline vuint4 operator -(unsigned int a, const vuint4& b) { return vuint4(a) - b; }
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//#if defined(__SSE4_1__)
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// __forceinline vuint4 operator *(const vuint4& a, const vuint4& b) { return _mm_mullo_epu32(a, b); }
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//#else
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// __forceinline vuint4 operator *(const vuint4& a, const vuint4& b) { return vuint4(a[0]*b[0],a[1]*b[1],a[2]*b[2],a[3]*b[3]); }
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//#endif
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// __forceinline vuint4 operator *(const vuint4& a, unsigned int b) { return a * vuint4(b); }
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// __forceinline vuint4 operator *(unsigned int a, const vuint4& b) { return vuint4(a) * b; }
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__forceinline vuint4 operator &(const vuint4& a, const vuint4& b) { return _mm_and_si128(a, b); }
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__forceinline vuint4 operator &(const vuint4& a, unsigned int b) { return a & vuint4(b); }
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__forceinline vuint4 operator &(unsigned int a, const vuint4& b) { return vuint4(a) & b; }
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__forceinline vuint4 operator |(const vuint4& a, const vuint4& b) { return _mm_or_si128(a, b); }
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__forceinline vuint4 operator |(const vuint4& a, unsigned int b) { return a | vuint4(b); }
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__forceinline vuint4 operator |(unsigned int a, const vuint4& b) { return vuint4(a) | b; }
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__forceinline vuint4 operator ^(const vuint4& a, const vuint4& b) { return _mm_xor_si128(a, b); }
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__forceinline vuint4 operator ^(const vuint4& a, unsigned int b) { return a ^ vuint4(b); }
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__forceinline vuint4 operator ^(unsigned int a, const vuint4& b) { return vuint4(a) ^ b; }
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__forceinline vuint4 operator <<(const vuint4& a, unsigned int n) { return _mm_slli_epi32(a, n); }
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__forceinline vuint4 operator >>(const vuint4& a, unsigned int n) { return _mm_srli_epi32(a, n); }
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__forceinline vuint4 sll (const vuint4& a, unsigned int b) { return _mm_slli_epi32(a, b); }
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__forceinline vuint4 sra (const vuint4& a, unsigned int b) { return _mm_srai_epi32(a, b); }
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__forceinline vuint4 srl (const vuint4& a, unsigned int b) { return _mm_srli_epi32(a, b); }
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////////////////////////////////////////////////////////////////////////////////
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/// Assignment Operators
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////////////////////////////////////////////////////////////////////////////////
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__forceinline vuint4& operator +=(vuint4& a, const vuint4& b) { return a = a + b; }
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__forceinline vuint4& operator +=(vuint4& a, unsigned int b) { return a = a + b; }
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__forceinline vuint4& operator -=(vuint4& a, const vuint4& b) { return a = a - b; }
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__forceinline vuint4& operator -=(vuint4& a, unsigned int b) { return a = a - b; }
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//#if defined(__SSE4_1__)
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// __forceinline vuint4& operator *=(vuint4& a, const vuint4& b) { return a = a * b; }
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// __forceinline vuint4& operator *=(vuint4& a, unsigned int b) { return a = a * b; }
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//#endif
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__forceinline vuint4& operator &=(vuint4& a, const vuint4& b) { return a = a & b; }
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__forceinline vuint4& operator &=(vuint4& a, unsigned int b) { return a = a & b; }
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__forceinline vuint4& operator |=(vuint4& a, const vuint4& b) { return a = a | b; }
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__forceinline vuint4& operator |=(vuint4& a, unsigned int b) { return a = a | b; }
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__forceinline vuint4& operator <<=(vuint4& a, unsigned int b) { return a = a << b; }
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__forceinline vuint4& operator >>=(vuint4& a, unsigned int b) { return a = a >> b; }
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////////////////////////////////////////////////////////////////////////////////
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/// Comparison Operators + Select
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////////////////////////////////////////////////////////////////////////////////
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#if defined(__AVX512VL__)
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__forceinline vboolf4 operator ==(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_EQ); }
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__forceinline vboolf4 operator !=(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_NE); }
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//__forceinline vboolf4 operator < (const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_LT); }
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//__forceinline vboolf4 operator >=(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_GE); }
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//__forceinline vboolf4 operator > (const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_GT); }
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//__forceinline vboolf4 operator <=(const vuint4& a, const vuint4& b) { return _mm_cmp_epu32_mask(a,b,_MM_CMPINT_LE); }
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#else
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__forceinline vboolf4 operator ==(const vuint4& a, const vuint4& b) { return _mm_castsi128_ps(_mm_cmpeq_epi32(a, b)); }
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__forceinline vboolf4 operator !=(const vuint4& a, const vuint4& b) { return !(a == b); }
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//__forceinline vboolf4 operator < (const vuint4& a, const vuint4& b) { return _mm_castsi128_ps(_mm_cmplt_epu32(a, b)); }
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//__forceinline vboolf4 operator >=(const vuint4& a, const vuint4& b) { return !(a < b); }
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//__forceinline vboolf4 operator > (const vuint4& a, const vuint4& b) { return _mm_castsi128_ps(_mm_cmpgt_epu32(a, b)); }
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//__forceinline vboolf4 operator <=(const vuint4& a, const vuint4& b) { return !(a > b); }
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#endif
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__forceinline vboolf4 operator ==(const vuint4& a, unsigned int b) { return a == vuint4(b); }
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__forceinline vboolf4 operator ==(unsigned int a, const vuint4& b) { return vuint4(a) == b; }
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__forceinline vboolf4 operator !=(const vuint4& a, unsigned int b) { return a != vuint4(b); }
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__forceinline vboolf4 operator !=(unsigned int a, const vuint4& b) { return vuint4(a) != b; }
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//__forceinline vboolf4 operator < (const vuint4& a, unsigned int b) { return a < vuint4(b); }
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//__forceinline vboolf4 operator < (unsigned int a, const vuint4& b) { return vuint4(a) < b; }
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//__forceinline vboolf4 operator >=(const vuint4& a, unsigned int b) { return a >= vuint4(b); }
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//__forceinline vboolf4 operator >=(unsigned int a, const vuint4& b) { return vuint4(a) >= b; }
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//__forceinline vboolf4 operator > (const vuint4& a, unsigned int b) { return a > vuint4(b); }
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//__forceinline vboolf4 operator > (unsigned int a, const vuint4& b) { return vuint4(a) > b; }
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//__forceinline vboolf4 operator <=(const vuint4& a, unsigned int b) { return a <= vuint4(b); }
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//__forceinline vboolf4 operator <=(unsigned int a, const vuint4& b) { return vuint4(a) <= b; }
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__forceinline vboolf4 eq(const vuint4& a, const vuint4& b) { return a == b; }
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__forceinline vboolf4 ne(const vuint4& a, const vuint4& b) { return a != b; }
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//__forceinline vboolf4 lt(const vuint4& a, const vuint4& b) { return a < b; }
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//__forceinline vboolf4 ge(const vuint4& a, const vuint4& b) { return a >= b; }
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//__forceinline vboolf4 gt(const vuint4& a, const vuint4& b) { return a > b; }
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//__forceinline vboolf4 le(const vuint4& a, const vuint4& b) { return a <= b; }
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#if defined(__AVX512VL__)
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__forceinline vboolf4 eq(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_EQ); }
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__forceinline vboolf4 ne(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_NE); }
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//__forceinline vboolf4 lt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_LT); }
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//__forceinline vboolf4 ge(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_GE); }
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//__forceinline vboolf4 gt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_GT); }
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//__forceinline vboolf4 le(const vboolf4& mask, const vuint4& a, const vuint4& b) { return _mm_mask_cmp_epu32_mask(mask, a, b, _MM_CMPINT_LE); }
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#else
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__forceinline vboolf4 eq(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a == b); }
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__forceinline vboolf4 ne(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a != b); }
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//__forceinline vboolf4 lt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a < b); }
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//__forceinline vboolf4 ge(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a >= b); }
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//__forceinline vboolf4 gt(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a > b); }
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//__forceinline vboolf4 le(const vboolf4& mask, const vuint4& a, const vuint4& b) { return mask & (a <= b); }
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#endif
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template<int mask>
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__forceinline vuint4 select(const vuint4& t, const vuint4& f) {
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#if defined(__SSE4_1__)
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return _mm_castps_si128(_mm_blend_ps(_mm_castsi128_ps(f), _mm_castsi128_ps(t), mask));
|
|
#else
|
|
return select(vboolf4(mask), t, f);
|
|
#endif
|
|
}
|
|
|
|
/*#if defined(__SSE4_1__)
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|
__forceinline vuint4 min(const vuint4& a, const vuint4& b) { return _mm_min_epu32(a, b); }
|
|
__forceinline vuint4 max(const vuint4& a, const vuint4& b) { return _mm_max_epu32(a, b); }
|
|
|
|
#else
|
|
__forceinline vuint4 min(const vuint4& a, const vuint4& b) { return select(a < b,a,b); }
|
|
__forceinline vuint4 max(const vuint4& a, const vuint4& b) { return select(a < b,b,a); }
|
|
#endif
|
|
|
|
__forceinline vuint4 min(const vuint4& a, unsigned int b) { return min(a,vuint4(b)); }
|
|
__forceinline vuint4 min(unsigned int a, const vuint4& b) { return min(vuint4(a),b); }
|
|
__forceinline vuint4 max(const vuint4& a, unsigned int b) { return max(a,vuint4(b)); }
|
|
__forceinline vuint4 max(unsigned int a, const vuint4& b) { return max(vuint4(a),b); }*/
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
// Movement/Shifting/Shuffling Functions
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
__forceinline vuint4 unpacklo(const vuint4& a, const vuint4& b) { return _mm_castps_si128(_mm_unpacklo_ps(_mm_castsi128_ps(a), _mm_castsi128_ps(b))); }
|
|
__forceinline vuint4 unpackhi(const vuint4& a, const vuint4& b) { return _mm_castps_si128(_mm_unpackhi_ps(_mm_castsi128_ps(a), _mm_castsi128_ps(b))); }
|
|
|
|
template<int i0, int i1, int i2, int i3>
|
|
__forceinline vuint4 shuffle(const vuint4& v) {
|
|
return _mm_shuffle_epi32(v, _MM_SHUFFLE(i3, i2, i1, i0));
|
|
}
|
|
|
|
template<int i0, int i1, int i2, int i3>
|
|
__forceinline vuint4 shuffle(const vuint4& a, const vuint4& b) {
|
|
return _mm_castps_si128(_mm_shuffle_ps(_mm_castsi128_ps(a), _mm_castsi128_ps(b), _MM_SHUFFLE(i3, i2, i1, i0)));
|
|
}
|
|
|
|
#if defined(__SSE3__)
|
|
template<> __forceinline vuint4 shuffle<0, 0, 2, 2>(const vuint4& v) { return _mm_castps_si128(_mm_moveldup_ps(_mm_castsi128_ps(v))); }
|
|
template<> __forceinline vuint4 shuffle<1, 1, 3, 3>(const vuint4& v) { return _mm_castps_si128(_mm_movehdup_ps(_mm_castsi128_ps(v))); }
|
|
template<> __forceinline vuint4 shuffle<0, 1, 0, 1>(const vuint4& v) { return _mm_castpd_si128(_mm_movedup_pd (_mm_castsi128_pd(v))); }
|
|
#endif
|
|
|
|
template<int i>
|
|
__forceinline vuint4 shuffle(const vuint4& v) {
|
|
return shuffle<i,i,i,i>(v);
|
|
}
|
|
|
|
#if defined(__SSE4_1__)
|
|
template<int src> __forceinline unsigned int extract(const vuint4& b) { return _mm_extract_epi32(b, src); }
|
|
template<int dst> __forceinline vuint4 insert(const vuint4& a, const unsigned b) { return _mm_insert_epi32(a, b, dst); }
|
|
#else
|
|
template<int src> __forceinline unsigned int extract(const vuint4& b) { return b[src&3]; }
|
|
template<int dst> __forceinline vuint4 insert(const vuint4& a, const unsigned b) { vuint4 c = a; c[dst&3] = b; return c; }
|
|
#endif
|
|
|
|
|
|
template<> __forceinline unsigned int extract<0>(const vuint4& b) { return _mm_cvtsi128_si32(b); }
|
|
|
|
__forceinline unsigned int toScalar(const vuint4& v) { return _mm_cvtsi128_si32(v); }
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// Reductions
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#if 0
|
|
#if defined(__SSE4_1__)
|
|
|
|
__forceinline vuint4 vreduce_min(const vuint4& v) { vuint4 h = min(shuffle<1,0,3,2>(v),v); return min(shuffle<2,3,0,1>(h),h); }
|
|
__forceinline vuint4 vreduce_max(const vuint4& v) { vuint4 h = max(shuffle<1,0,3,2>(v),v); return max(shuffle<2,3,0,1>(h),h); }
|
|
__forceinline vuint4 vreduce_add(const vuint4& v) { vuint4 h = shuffle<1,0,3,2>(v) + v ; return shuffle<2,3,0,1>(h) + h ; }
|
|
|
|
__forceinline unsigned int reduce_min(const vuint4& v) { return toScalar(vreduce_min(v)); }
|
|
__forceinline unsigned int reduce_max(const vuint4& v) { return toScalar(vreduce_max(v)); }
|
|
__forceinline unsigned int reduce_add(const vuint4& v) { return toScalar(vreduce_add(v)); }
|
|
|
|
__forceinline size_t select_min(const vuint4& v) { return bsf(movemask(v == vreduce_min(v))); }
|
|
__forceinline size_t select_max(const vuint4& v) { return bsf(movemask(v == vreduce_max(v))); }
|
|
|
|
//__forceinline size_t select_min(const vboolf4& valid, const vuint4& v) { const vuint4 a = select(valid,v,vuint4(pos_inf)); return bsf(movemask(valid & (a == vreduce_min(a)))); }
|
|
//__forceinline size_t select_max(const vboolf4& valid, const vuint4& v) { const vuint4 a = select(valid,v,vuint4(neg_inf)); return bsf(movemask(valid & (a == vreduce_max(a)))); }
|
|
|
|
#else
|
|
|
|
__forceinline unsigned int reduce_min(const vuint4& v) { return min(v[0],v[1],v[2],v[3]); }
|
|
__forceinline unsigned int reduce_max(const vuint4& v) { return max(v[0],v[1],v[2],v[3]); }
|
|
__forceinline unsigned int reduce_add(const vuint4& v) { return v[0]+v[1]+v[2]+v[3]; }
|
|
|
|
#endif
|
|
#endif
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// Output Operators
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
__forceinline embree_ostream operator <<(embree_ostream cout, const vuint4& a) {
|
|
return cout << "<" << a[0] << ", " << a[1] << ", " << a[2] << ", " << a[3] << ">";
|
|
}
|
|
}
|
|
|