1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
// Copyright 2009-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0
#pragma once
#include "../sys/alloc.h"
#include "emath.h"
#if defined(EMBREE_SYCL_SUPPORT) && defined(__SYCL_DEVICE_ONLY__)
# include "vec3ia_sycl.h"
#else
#include "../simd/sse.h"
namespace embree
{
////////////////////////////////////////////////////////////////////////////////
/// SSE Vec3ia Type
////////////////////////////////////////////////////////////////////////////////
struct __aligned(16) Vec3ia
{
ALIGNED_STRUCT_(16);
union {
__m128i m128;
struct { int x,y,z; };
};
typedef int Scalar;
enum { N = 3 };
////////////////////////////////////////////////////////////////////////////////
/// Constructors, Assignment & Cast Operators
////////////////////////////////////////////////////////////////////////////////
__forceinline Vec3ia( ) {}
__forceinline Vec3ia( const __m128i a ) : m128(a) {}
__forceinline Vec3ia( const Vec3ia& other ) : m128(other.m128) {}
__forceinline Vec3ia& operator =(const Vec3ia& other) { m128 = other.m128; return *this; }
__forceinline explicit Vec3ia( const int a ) : m128(_mm_set1_epi32(a)) {}
__forceinline Vec3ia( const int x, const int y, const int z) : m128(_mm_set_epi32(z, z, y, x)) {}
__forceinline explicit Vec3ia( const __m128 a ) : m128(_mm_cvtps_epi32(a)) {}
__forceinline operator const __m128i&() const { return m128; }
__forceinline operator __m128i&() { return m128; }
////////////////////////////////////////////////////////////////////////////////
/// Constants
////////////////////////////////////////////////////////////////////////////////
__forceinline Vec3ia( ZeroTy ) : m128(_mm_setzero_si128()) {}
__forceinline Vec3ia( OneTy ) : m128(_mm_set1_epi32(1)) {}
__forceinline Vec3ia( PosInfTy ) : m128(_mm_set1_epi32(pos_inf)) {}
__forceinline Vec3ia( NegInfTy ) : m128(_mm_set1_epi32(neg_inf)) {}
////////////////////////////////////////////////////////////////////////////////
/// Array Access
////////////////////////////////////////////////////////////////////////////////
__forceinline const int& operator []( const size_t index ) const { assert(index < 3); return (&x)[index]; }
__forceinline int& operator []( const size_t index ) { assert(index < 3); return (&x)[index]; }
};
////////////////////////////////////////////////////////////////////////////////
/// Unary Operators
////////////////////////////////////////////////////////////////////////////////
__forceinline Vec3ia operator +( const Vec3ia& a ) { return a; }
__forceinline Vec3ia operator -( const Vec3ia& a ) { return _mm_sub_epi32(_mm_setzero_si128(), a.m128); }
#if (defined(__aarch64__))
__forceinline Vec3ia abs ( const Vec3ia& a ) { return vabsq_s32(a.m128); }
#elif defined(__SSSE3__)
__forceinline Vec3ia abs ( const Vec3ia& a ) { return _mm_abs_epi32(a.m128); }
#endif
////////////////////////////////////////////////////////////////////////////////
/// Binary Operators
////////////////////////////////////////////////////////////////////////////////
__forceinline Vec3ia operator +( const Vec3ia& a, const Vec3ia& b ) { return _mm_add_epi32(a.m128, b.m128); }
__forceinline Vec3ia operator +( const Vec3ia& a, const int b ) { return a+Vec3ia(b); }
__forceinline Vec3ia operator +( const int a, const Vec3ia& b ) { return Vec3ia(a)+b; }
__forceinline Vec3ia operator -( const Vec3ia& a, const Vec3ia& b ) { return _mm_sub_epi32(a.m128, b.m128); }
__forceinline Vec3ia operator -( const Vec3ia& a, const int b ) { return a-Vec3ia(b); }
__forceinline Vec3ia operator -( const int a, const Vec3ia& b ) { return Vec3ia(a)-b; }
#if defined(__aarch64__) || defined(__SSE4_1__)
__forceinline Vec3ia operator *( const Vec3ia& a, const Vec3ia& b ) { return _mm_mullo_epi32(a.m128, b.m128); }
__forceinline Vec3ia operator *( const Vec3ia& a, const int b ) { return a * Vec3ia(b); }
__forceinline Vec3ia operator *( const int a, const Vec3ia& b ) { return Vec3ia(a) * b; }
#endif
__forceinline Vec3ia operator &( const Vec3ia& a, const Vec3ia& b ) { return _mm_and_si128(a.m128, b.m128); }
__forceinline Vec3ia operator &( const Vec3ia& a, const int b ) { return a & Vec3ia(b); }
__forceinline Vec3ia operator &( const int a, const Vec3ia& b ) { return Vec3ia(a) & b; }
__forceinline Vec3ia operator |( const Vec3ia& a, const Vec3ia& b ) { return _mm_or_si128(a.m128, b.m128); }
__forceinline Vec3ia operator |( const Vec3ia& a, const int b ) { return a | Vec3ia(b); }
__forceinline Vec3ia operator |( const int a, const Vec3ia& b ) { return Vec3ia(a) | b; }
__forceinline Vec3ia operator ^( const Vec3ia& a, const Vec3ia& b ) { return _mm_xor_si128(a.m128, b.m128); }
__forceinline Vec3ia operator ^( const Vec3ia& a, const int b ) { return a ^ Vec3ia(b); }
__forceinline Vec3ia operator ^( const int a, const Vec3ia& b ) { return Vec3ia(a) ^ b; }
__forceinline Vec3ia operator <<( const Vec3ia& a, const int n ) { return _mm_slli_epi32(a.m128, n); }
__forceinline Vec3ia operator >>( const Vec3ia& a, const int n ) { return _mm_srai_epi32(a.m128, n); }
__forceinline Vec3ia sll ( const Vec3ia& a, const int b ) { return _mm_slli_epi32(a.m128, b); }
__forceinline Vec3ia sra ( const Vec3ia& a, const int b ) { return _mm_srai_epi32(a.m128, b); }
__forceinline Vec3ia srl ( const Vec3ia& a, const int b ) { return _mm_srli_epi32(a.m128, b); }
////////////////////////////////////////////////////////////////////////////////
/// Assignment Operators
////////////////////////////////////////////////////////////////////////////////
__forceinline Vec3ia& operator +=( Vec3ia& a, const Vec3ia& b ) { return a = a + b; }
__forceinline Vec3ia& operator +=( Vec3ia& a, const int& b ) { return a = a + b; }
__forceinline Vec3ia& operator -=( Vec3ia& a, const Vec3ia& b ) { return a = a - b; }
__forceinline Vec3ia& operator -=( Vec3ia& a, const int& b ) { return a = a - b; }
#if defined(__aarch64__) || defined(__SSE4_1__)
__forceinline Vec3ia& operator *=( Vec3ia& a, const Vec3ia& b ) { return a = a * b; }
__forceinline Vec3ia& operator *=( Vec3ia& a, const int& b ) { return a = a * b; }
#endif
__forceinline Vec3ia& operator &=( Vec3ia& a, const Vec3ia& b ) { return a = a & b; }
__forceinline Vec3ia& operator &=( Vec3ia& a, const int& b ) { return a = a & b; }
__forceinline Vec3ia& operator |=( Vec3ia& a, const Vec3ia& b ) { return a = a | b; }
__forceinline Vec3ia& operator |=( Vec3ia& a, const int& b ) { return a = a | b; }
#if !defined(__ARM_NEON)
__forceinline Vec3ia& operator <<=( Vec3ia& a, const int& b ) { return a = a << b; }
__forceinline Vec3ia& operator >>=( Vec3ia& a, const int& b ) { return a = a >> b; }
#endif
////////////////////////////////////////////////////////////////////////////////
/// Select
////////////////////////////////////////////////////////////////////////////////
__forceinline Vec3ia select( const Vec3ba& m, const Vec3ia& t, const Vec3ia& f ) {
#if defined(__aarch64__) || defined(__SSE4_1__)
return _mm_castps_si128(_mm_blendv_ps(_mm_castsi128_ps(f), _mm_castsi128_ps(t), m));
#else
return _mm_or_si128(_mm_and_si128(_mm_castps_si128(m), t), _mm_andnot_si128(_mm_castps_si128(m), f));
#endif
}
////////////////////////////////////////////////////////////////////////////////
/// Reductions
////////////////////////////////////////////////////////////////////////////////
#if defined(__aarch64__)
__forceinline int reduce_add(const Vec3ia& v) { return vaddvq_s32(select(Vec3ba(1,1,1),v,Vec3ia(0))); }
__forceinline int reduce_mul(const Vec3ia& v) { return v.x*v.y*v.z; }
__forceinline int reduce_min(const Vec3ia& v) { return vminvq_s32(select(Vec3ba(1,1,1),v,Vec3ia(0x7FFFFFFF))); }
__forceinline int reduce_max(const Vec3ia& v) { return vmaxvq_s32(select(Vec3ba(1,1,1),v,Vec3ia(0x80000000))); }
#else
__forceinline int reduce_add(const Vec3ia& v) { return v.x+v.y+v.z; }
__forceinline int reduce_mul(const Vec3ia& v) { return v.x*v.y*v.z; }
__forceinline int reduce_min(const Vec3ia& v) { return min(v.x,v.y,v.z); }
__forceinline int reduce_max(const Vec3ia& v) { return max(v.x,v.y,v.z); }
#endif
////////////////////////////////////////////////////////////////////////////////
/// Comparison Operators
////////////////////////////////////////////////////////////////////////////////
__forceinline bool operator ==( const Vec3ia& a, const Vec3ia& b ) { return (_mm_movemask_ps(_mm_castsi128_ps(_mm_cmpeq_epi32(a.m128, b.m128))) & 7) == 7; }
__forceinline bool operator !=( const Vec3ia& a, const Vec3ia& b ) { return (_mm_movemask_ps(_mm_castsi128_ps(_mm_cmpeq_epi32(a.m128, b.m128))) & 7) != 7; }
__forceinline bool operator < ( const Vec3ia& a, const Vec3ia& b ) {
if (a.x != b.x) return a.x < b.x;
if (a.y != b.y) return a.y < b.y;
if (a.z != b.z) return a.z < b.z;
return false;
}
__forceinline Vec3ba eq_mask( const Vec3ia& a, const Vec3ia& b ) { return _mm_castsi128_ps(_mm_cmpeq_epi32 (a.m128, b.m128)); }
__forceinline Vec3ba lt_mask( const Vec3ia& a, const Vec3ia& b ) { return _mm_castsi128_ps(_mm_cmplt_epi32 (a.m128, b.m128)); }
__forceinline Vec3ba gt_mask( const Vec3ia& a, const Vec3ia& b ) { return _mm_castsi128_ps(_mm_cmpgt_epi32 (a.m128, b.m128)); }
#if defined(__aarch64__) || defined(__SSE4_1__)
__forceinline Vec3ia min( const Vec3ia& a, const Vec3ia& b ) { return _mm_min_epi32(a.m128,b.m128); }
__forceinline Vec3ia max( const Vec3ia& a, const Vec3ia& b ) { return _mm_max_epi32(a.m128,b.m128); }
#else
__forceinline Vec3ia min( const Vec3ia& a, const Vec3ia& b ) { return select(lt_mask(a,b),a,b); }
__forceinline Vec3ia max( const Vec3ia& a, const Vec3ia& b ) { return select(gt_mask(a,b),a,b); }
#endif
////////////////////////////////////////////////////////////////////////////////
/// Output Operators
////////////////////////////////////////////////////////////////////////////////
__forceinline embree_ostream operator<<(embree_ostream cout, const Vec3ia& a) {
return cout << "(" << a.x << ", " << a.y << ", " << a.z << ")";
}
}
#endif
|
