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simd_vec4.hpp
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1
42 #pragma once
43
44 // Dependency:
45 #include "../glm.hpp"
46
47 #if(GLM_ARCH != GLM_ARCH_PURE)
48
49 #if(GLM_ARCH & GLM_ARCH_SSE2)
50 # include "../detail/intrinsic_common.hpp"
51 # include "../detail/intrinsic_geometric.hpp"
52 # include "../detail/intrinsic_integer.hpp"
53 #else
54 # error "GLM: GLM_GTX_simd_vec4 requires compiler support of SSE2 through intrinsics"
55 #endif
56
57 #if(defined(GLM_MESSAGES) && !defined(GLM_EXT_INCLUDED))
58 # pragma message("GLM: GLM_GTX_simd_vec4 extension included")
59 #endif
60
61
62 // Warning silencer for nameless struct/union.
63 #if (GLM_COMPILER & GLM_COMPILER_VC)
64 # pragma warning(push)
65 # pragma warning(disable:4201) // warning C4201: nonstandard extension used : nameless struct/union
66 #endif
67
68 namespace glm
69 {
70 enum comp
71 {
72 X = 0,
73 R = 0,
74 S = 0,
75 Y = 1,
76 G = 1,
77 T = 1,
78 Z = 2,
79 B = 2,
80 P = 2,
81 W = 3,
82 A = 3,
83 Q = 3
84 };
85
86 }//namespace glm
87
88 namespace glm{
89 namespace detail
90 {
93 GLM_ALIGNED_STRUCT(16) fvec4SIMD
94 {
95 typedef __m128 value_type;
96 typedef std::size_t size_type;
97 static size_type value_size();
98
99 typedef fvec4SIMD type;
100 typedef tvec4<bool, highp> bool_type;
101
102 #ifdef GLM_SIMD_ENABLE_XYZW_UNION
103 union
104 {
105 __m128 Data;
106 struct {float x, y, z, w;};
107 };
108 #else
109 __m128 Data;
110 #endif
111
113 // Implicit basic constructors
114
115 fvec4SIMD();
116 fvec4SIMD(__m128 const & Data);
117 fvec4SIMD(fvec4SIMD const & v);
118
120 // Explicit basic constructors
121
122 explicit fvec4SIMD(
123 ctor);
124 explicit fvec4SIMD(
125 float const & s);
126 explicit fvec4SIMD(
127 float const & x,
128 float const & y,
129 float const & z,
130 float const & w);
131 explicit fvec4SIMD(
132 vec4 const & v);
133
136
137 fvec4SIMD(vec2 const & v, float const & s1, float const & s2);
138 fvec4SIMD(float const & s1, vec2 const & v, float const & s2);
139 fvec4SIMD(float const & s1, float const & s2, vec2 const & v);
140 fvec4SIMD(vec3 const & v, float const & s);
141 fvec4SIMD(float const & s, vec3 const & v);
142 fvec4SIMD(vec2 const & v1, vec2 const & v2);
143 //fvec4SIMD(ivec4SIMD const & v);
144
146 // Unary arithmetic operators
147
148 fvec4SIMD& operator= (fvec4SIMD const & v);
149 fvec4SIMD& operator+=(fvec4SIMD const & v);
150 fvec4SIMD& operator-=(fvec4SIMD const & v);
151 fvec4SIMD& operator*=(fvec4SIMD const & v);
152 fvec4SIMD& operator/=(fvec4SIMD const & v);
153
154 fvec4SIMD& operator+=(float const & s);
155 fvec4SIMD& operator-=(float const & s);
156 fvec4SIMD& operator*=(float const & s);
157 fvec4SIMD& operator/=(float const & s);
158
159 fvec4SIMD& operator++();
160 fvec4SIMD& operator--();
161
163 // Swizzle operators
164
165 template <comp X, comp Y, comp Z, comp W>
166 fvec4SIMD& swizzle();
167 template <comp X, comp Y, comp Z, comp W>
168 fvec4SIMD swizzle() const;
169 template <comp X, comp Y, comp Z>
170 fvec4SIMD swizzle() const;
171 template <comp X, comp Y>
172 fvec4SIMD swizzle() const;
173 template <comp X>
174 fvec4SIMD swizzle() const;
175 };
176 }//namespace detail
177
178 typedef glm::detail::fvec4SIMD simdVec4;
179
182
185 vec4 vec4_cast(
186 detail::fvec4SIMD const & x);
187
190 detail::fvec4SIMD abs(detail::fvec4SIMD const & x);
191
194 detail::fvec4SIMD sign(detail::fvec4SIMD const & x);
195
198 detail::fvec4SIMD floor(detail::fvec4SIMD const & x);
199
203 detail::fvec4SIMD trunc(detail::fvec4SIMD const & x);
204
212 detail::fvec4SIMD round(detail::fvec4SIMD const & x);
213
219 //detail::fvec4SIMD roundEven(detail::fvec4SIMD const & x);
220
224 detail::fvec4SIMD ceil(detail::fvec4SIMD const & x);
225
229 detail::fvec4SIMD fract(detail::fvec4SIMD const & x);
230
235 detail::fvec4SIMD mod(
236 detail::fvec4SIMD const & x,
237 detail::fvec4SIMD const & y);
238
243 detail::fvec4SIMD mod(
244 detail::fvec4SIMD const & x,
245 float const & y);
246
252 //detail::fvec4SIMD modf(
253 // detail::fvec4SIMD const & x,
254 // detail::fvec4SIMD & i);
255
259 detail::fvec4SIMD min(
260 detail::fvec4SIMD const & x,
261 detail::fvec4SIMD const & y);
262
263 detail::fvec4SIMD min(
264 detail::fvec4SIMD const & x,
265 float const & y);
266
270 detail::fvec4SIMD max(
271 detail::fvec4SIMD const & x,
272 detail::fvec4SIMD const & y);
273
274 detail::fvec4SIMD max(
275 detail::fvec4SIMD const & x,
276 float const & y);
277
282 detail::fvec4SIMD clamp(
283 detail::fvec4SIMD const & x,
284 detail::fvec4SIMD const & minVal,
285 detail::fvec4SIMD const & maxVal);
286
287 detail::fvec4SIMD clamp(
288 detail::fvec4SIMD const & x,
289 float const & minVal,
290 float const & maxVal);
291
318 detail::fvec4SIMD mix(
319 detail::fvec4SIMD const & x,
320 detail::fvec4SIMD const & y,
321 detail::fvec4SIMD const & a);
322
326 detail::fvec4SIMD step(
327 detail::fvec4SIMD const & edge,
328 detail::fvec4SIMD const & x);
329
330 detail::fvec4SIMD step(
331 float const & edge,
332 detail::fvec4SIMD const & x);
333
345 detail::fvec4SIMD smoothstep(
346 detail::fvec4SIMD const & edge0,
347 detail::fvec4SIMD const & edge1,
348 detail::fvec4SIMD const & x);
349
350 detail::fvec4SIMD smoothstep(
351 float const & edge0,
352 float const & edge1,
353 detail::fvec4SIMD const & x);
354
362 //bvec4 isnan(detail::fvec4SIMD const & x);
363
371 //bvec4 isinf(detail::fvec4SIMD const & x);
372
378 //detail::ivec4SIMD floatBitsToInt(detail::fvec4SIMD const & value);
379
387 //detail::fvec4SIMD intBitsToFloat(detail::ivec4SIMD const & value);
388
392 detail::fvec4SIMD fma(
393 detail::fvec4SIMD const & a,
394 detail::fvec4SIMD const & b,
395 detail::fvec4SIMD const & c);
396
407 //detail::fvec4SIMD frexp(detail::fvec4SIMD const & x, detail::ivec4SIMD & exp);
408
416 //detail::fvec4SIMD ldexp(detail::fvec4SIMD const & x, detail::ivec4SIMD const & exp);
417
421 float length(
422 detail::fvec4SIMD const & x);
423
428 float fastLength(
429 detail::fvec4SIMD const & x);
430
435 float niceLength(
436 detail::fvec4SIMD const & x);
437
441 detail::fvec4SIMD length4(
442 detail::fvec4SIMD const & x);
443
448 detail::fvec4SIMD fastLength4(
449 detail::fvec4SIMD const & x);
450
455 detail::fvec4SIMD niceLength4(
456 detail::fvec4SIMD const & x);
457
461 float distance(
462 detail::fvec4SIMD const & p0,
463 detail::fvec4SIMD const & p1);
464
468 detail::fvec4SIMD distance4(
469 detail::fvec4SIMD const & p0,
470 detail::fvec4SIMD const & p1);
471
475 float simdDot(
476 detail::fvec4SIMD const & x,
477 detail::fvec4SIMD const & y);
478
482 detail::fvec4SIMD dot4(
483 detail::fvec4SIMD const & x,
484 detail::fvec4SIMD const & y);
485
489 detail::fvec4SIMD cross(
490 detail::fvec4SIMD const & x,
491 detail::fvec4SIMD const & y);
492
496 detail::fvec4SIMD normalize(
497 detail::fvec4SIMD const & x);
498
503 detail::fvec4SIMD fastNormalize(
504 detail::fvec4SIMD const & x);
505
509 detail::fvec4SIMD simdFaceforward(
510 detail::fvec4SIMD const & N,
511 detail::fvec4SIMD const & I,
512 detail::fvec4SIMD const & Nref);
513
518 detail::fvec4SIMD reflect(
519 detail::fvec4SIMD const & I,
520 detail::fvec4SIMD const & N);
521
527 detail::fvec4SIMD refract(
528 detail::fvec4SIMD const & I,
529 detail::fvec4SIMD const & N,
530 float const & eta);
531
535 detail::fvec4SIMD sqrt(
536 detail::fvec4SIMD const & x);
537
542 detail::fvec4SIMD niceSqrt(
543 detail::fvec4SIMD const & x);
544
549 detail::fvec4SIMD fastSqrt(
550 detail::fvec4SIMD const & x);
551
555 detail::fvec4SIMD inversesqrt(
556 detail::fvec4SIMD const & x);
557
562 detail::fvec4SIMD fastInversesqrt(
563 detail::fvec4SIMD const & x);
564
566 }//namespace glm
567
568 #include "simd_vec4.inl"
569
570 #if (GLM_COMPILER & GLM_COMPILER_VC)
571 # pragma warning(pop)
572 #endif
573
574 #endif//(GLM_ARCH != GLM_ARCH_PURE)
glm::refract
GLM_FUNC_DECL vecType< T, P > refract(vecType< T, P > const &I, vecType< T, P > const &N, T eta)
For the incident vector I and surface normal N, and the ratio of indices of refraction eta...
glm::inversesqrt
GLM_FUNC_DECL vecType< T, P > inversesqrt(vecType< T, P > const &v)
Returns the reciprocal of the positive square root of v.
glm::vec4
highp_vec4 vec4
4 components vector of floating-point numbers.
Definition: type_vec.hpp:402
glm::trunc
GLM_FUNC_DECL vecType< T, P > trunc(vecType< T, P > const &x)
Returns a value equal to the nearest integer to x whose absolute value is not larger than the absolut...
glm::fastSqrt
GLM_FUNC_DECL genType fastSqrt(genType x)
Faster than the common sqrt function but less accurate.
glm::floor
GLM_FUNC_DECL vecType< T, P > floor(vecType< T, P > const &x)
Returns a value equal to the nearest integer that is less then or equal to x.
glm::min
GLM_FUNC_DECL genType min(genType x, genType y)
Returns y if y < x; otherwise, it returns x.
glm::mod
GLM_FUNC_DECL genType mod(genType x, genType y)
Modulus.
glm::clamp
GLM_FUNC_DECL genType clamp(genType x, genType minVal, genType maxVal)
Returns min(max(x, minVal), maxVal) for each component in x using the floating-point values minVal an...
glm::reflect
GLM_FUNC_DECL genType reflect(genType const &I, genType const &N)
For the incident vector I and surface orientation N, returns the reflection direction : result = I - ...
glm::distance
GLM_FUNC_DECL T distance(vecType< T, P > const &p0, vecType< T, P > const &p1)
Returns the distance betwwen p0 and p1, i.e., length(p0 - p1).
glm::fma
GLM_FUNC_DECL genType fma(genType const &a, genType const &b, genType const &c)
Computes and returns a * b + c.
glm::step
GLM_FUNC_DECL genType step(genType edge, genType x)
Returns 0.0 if x < edge, otherwise it returns 1.0 for each component of a genType.
glm::fract
GLM_FUNC_DECL genType fract(genType x)
Return x - floor(x).
glm::smoothstep
GLM_FUNC_DECL genType smoothstep(genType edge0, genType edge1, genType x)
Returns 0.0 if x <= edge0 and 1.0 if x >= edge1 and performs smooth Hermite interpolation between 0 a...
glm::length
GLM_FUNC_DECL T length(vecType< T, P > const &x)
Returns the length of x, i.e., sqrt(x * x).
glm::normalize
GLM_FUNC_DECL vecType< T, P > normalize(vecType< T, P > const &x)
Returns a vector in the same direction as x but with length of 1.
glm::cross
GLM_FUNC_DECL tvec3< T, P > cross(tvec3< T, P > const &x, tvec3< T, P > const &y)
Returns the cross product of x and y.
glm::mix
GLM_FUNC_DECL vecType< T, P > mix(vecType< T, P > const &x, vecType< T, P > const &y, vecType< U, P > const &a)
If genTypeU is a floating scalar or vector: Returns x * (1.0 - a) + y * a, i.e., the linear blend of ...
glm::max
GLM_FUNC_DECL genType max(genType x, genType y)
Returns y if x < y; otherwise, it returns x.
glm::fastNormalize
GLM_FUNC_DECL genType fastNormalize(genType const &x)
Faster than the common normalize function but less accurate.
glm
Definition: _noise.hpp:39
glm::abs
GLM_FUNC_DECL genType abs(genType x)
Returns x if x >= 0; otherwise, it returns -x.
glm::vec3
highp_vec3 vec3
3 components vector of floating-point numbers.
Definition: type_vec.hpp:397
glm::vec2
highp_vec2 vec2
2 components vector of floating-point numbers.
Definition: type_vec.hpp:392
glm::sqrt
GLM_FUNC_DECL vecType< T, P > sqrt(vecType< T, P > const &v)
Returns the positive square root of v.
glm::sign
GLM_FUNC_DECL vecType< T, P > sign(vecType< T, P > const &x)
Returns 1.0 if x > 0, 0.0 if x == 0, or -1.0 if x < 0.
glm::fastLength
GLM_FUNC_DECL genType fastLength(genType x)
Faster than the common length function but less accurate.
glm::ceil
GLM_FUNC_DECL vecType< T, P > ceil(vecType< T, P > const &x)
Returns a value equal to the nearest integer that is greater than or equal to x.
glm::round
GLM_FUNC_DECL vecType< T, P > round(vecType< T, P > const &x)
Returns a value equal to the nearest integer to x.