0.9.7
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 float value_type;
96  typedef std::size_t size_type;
97 
98  typedef fvec4SIMD type;
99  typedef tvec4<float, defaultp> pure_type;
100  typedef tvec4<bool, highp> bool_type;
101 
102 # ifdef GLM_META_PROG_HELPERS
103  static GLM_RELAXED_CONSTEXPR length_t components = 4;
104  static GLM_RELAXED_CONSTEXPR precision prec = defaultp;
105 # endif//GLM_META_PROG_HELPERS
106 
107 #ifdef GLM_SIMD_ENABLE_XYZW_UNION
108  union
109  {
110  __m128 Data;
111  struct {float x, y, z, w;};
112  };
113 #else
114  __m128 Data;
115 #endif
116 
118  // Implicit basic constructors
119 
120  fvec4SIMD() GLM_DEFAULT_CTOR;
121  fvec4SIMD(fvec4SIMD const & v) GLM_DEFAULT;
122  fvec4SIMD(__m128 const & Data);
123 
125  // Explicit basic constructors
126 
127  explicit fvec4SIMD(
128  ctor);
129  explicit fvec4SIMD(
130  float const & s);
131  explicit fvec4SIMD(
132  float const & x,
133  float const & y,
134  float const & z,
135  float const & w);
136  explicit fvec4SIMD(
137  vec4 const & v);
138 
141 
142  fvec4SIMD(vec2 const & v, float const & s1, float const & s2);
143  fvec4SIMD(float const & s1, vec2 const & v, float const & s2);
144  fvec4SIMD(float const & s1, float const & s2, vec2 const & v);
145  fvec4SIMD(vec3 const & v, float const & s);
146  fvec4SIMD(float const & s, vec3 const & v);
147  fvec4SIMD(vec2 const & v1, vec2 const & v2);
148  //fvec4SIMD(ivec4SIMD const & v);
149 
151  // Unary arithmetic operators
152 
153  fvec4SIMD& operator= (fvec4SIMD const & v) GLM_DEFAULT;
154  fvec4SIMD& operator+=(fvec4SIMD const & v);
155  fvec4SIMD& operator-=(fvec4SIMD const & v);
156  fvec4SIMD& operator*=(fvec4SIMD const & v);
157  fvec4SIMD& operator/=(fvec4SIMD const & v);
158 
159  fvec4SIMD& operator+=(float const & s);
160  fvec4SIMD& operator-=(float const & s);
161  fvec4SIMD& operator*=(float const & s);
162  fvec4SIMD& operator/=(float const & s);
163 
164  fvec4SIMD& operator++();
165  fvec4SIMD& operator--();
166 
168  // Swizzle operators
169 
170  template <comp X, comp Y, comp Z, comp W>
171  fvec4SIMD& swizzle();
172  template <comp X, comp Y, comp Z, comp W>
173  fvec4SIMD swizzle() const;
174  template <comp X, comp Y, comp Z>
175  fvec4SIMD swizzle() const;
176  template <comp X, comp Y>
177  fvec4SIMD swizzle() const;
178  template <comp X>
179  fvec4SIMD swizzle() const;
180  };
181 }//namespace detail
182 
183  typedef glm::detail::fvec4SIMD simdVec4;
184 
187 
190  vec4 vec4_cast(
191  detail::fvec4SIMD const & x);
192 
195  detail::fvec4SIMD abs(detail::fvec4SIMD const & x);
196 
199  detail::fvec4SIMD sign(detail::fvec4SIMD const & x);
200 
203  detail::fvec4SIMD floor(detail::fvec4SIMD const & x);
204 
208  detail::fvec4SIMD trunc(detail::fvec4SIMD const & x);
209 
217  detail::fvec4SIMD round(detail::fvec4SIMD const & x);
218 
224  //detail::fvec4SIMD roundEven(detail::fvec4SIMD const & x);
225 
229  detail::fvec4SIMD ceil(detail::fvec4SIMD const & x);
230 
234  detail::fvec4SIMD fract(detail::fvec4SIMD const & x);
235 
240  detail::fvec4SIMD mod(
241  detail::fvec4SIMD const & x,
242  detail::fvec4SIMD const & y);
243 
248  detail::fvec4SIMD mod(
249  detail::fvec4SIMD const & x,
250  float const & y);
251 
257  //detail::fvec4SIMD modf(
258  // detail::fvec4SIMD const & x,
259  // detail::fvec4SIMD & i);
260 
264  detail::fvec4SIMD min(
265  detail::fvec4SIMD const & x,
266  detail::fvec4SIMD const & y);
267 
268  detail::fvec4SIMD min(
269  detail::fvec4SIMD const & x,
270  float const & y);
271 
275  detail::fvec4SIMD max(
276  detail::fvec4SIMD const & x,
277  detail::fvec4SIMD const & y);
278 
279  detail::fvec4SIMD max(
280  detail::fvec4SIMD const & x,
281  float const & y);
282 
287  detail::fvec4SIMD clamp(
288  detail::fvec4SIMD const & x,
289  detail::fvec4SIMD const & minVal,
290  detail::fvec4SIMD const & maxVal);
291 
292  detail::fvec4SIMD clamp(
293  detail::fvec4SIMD const & x,
294  float const & minVal,
295  float const & maxVal);
296 
323  detail::fvec4SIMD mix(
324  detail::fvec4SIMD const & x,
325  detail::fvec4SIMD const & y,
326  detail::fvec4SIMD const & a);
327 
331  detail::fvec4SIMD step(
332  detail::fvec4SIMD const & edge,
333  detail::fvec4SIMD const & x);
334 
335  detail::fvec4SIMD step(
336  float const & edge,
337  detail::fvec4SIMD const & x);
338 
350  detail::fvec4SIMD smoothstep(
351  detail::fvec4SIMD const & edge0,
352  detail::fvec4SIMD const & edge1,
353  detail::fvec4SIMD const & x);
354 
355  detail::fvec4SIMD smoothstep(
356  float const & edge0,
357  float const & edge1,
358  detail::fvec4SIMD const & x);
359 
367  //bvec4 isnan(detail::fvec4SIMD const & x);
368 
376  //bvec4 isinf(detail::fvec4SIMD const & x);
377 
383  //detail::ivec4SIMD floatBitsToInt(detail::fvec4SIMD const & value);
384 
392  //detail::fvec4SIMD intBitsToFloat(detail::ivec4SIMD const & value);
393 
397  detail::fvec4SIMD fma(
398  detail::fvec4SIMD const & a,
399  detail::fvec4SIMD const & b,
400  detail::fvec4SIMD const & c);
401 
412  //detail::fvec4SIMD frexp(detail::fvec4SIMD const & x, detail::ivec4SIMD & exp);
413 
421  //detail::fvec4SIMD ldexp(detail::fvec4SIMD const & x, detail::ivec4SIMD const & exp);
422 
426  float length(
427  detail::fvec4SIMD const & x);
428 
433  float fastLength(
434  detail::fvec4SIMD const & x);
435 
440  float niceLength(
441  detail::fvec4SIMD const & x);
442 
446  detail::fvec4SIMD length4(
447  detail::fvec4SIMD const & x);
448 
453  detail::fvec4SIMD fastLength4(
454  detail::fvec4SIMD const & x);
455 
460  detail::fvec4SIMD niceLength4(
461  detail::fvec4SIMD const & x);
462 
466  float distance(
467  detail::fvec4SIMD const & p0,
468  detail::fvec4SIMD const & p1);
469 
473  detail::fvec4SIMD distance4(
474  detail::fvec4SIMD const & p0,
475  detail::fvec4SIMD const & p1);
476 
480  float simdDot(
481  detail::fvec4SIMD const & x,
482  detail::fvec4SIMD const & y);
483 
487  detail::fvec4SIMD dot4(
488  detail::fvec4SIMD const & x,
489  detail::fvec4SIMD const & y);
490 
494  detail::fvec4SIMD cross(
495  detail::fvec4SIMD const & x,
496  detail::fvec4SIMD const & y);
497 
501  detail::fvec4SIMD normalize(
502  detail::fvec4SIMD const & x);
503 
508  detail::fvec4SIMD fastNormalize(
509  detail::fvec4SIMD const & x);
510 
514  detail::fvec4SIMD simdFaceforward(
515  detail::fvec4SIMD const & N,
516  detail::fvec4SIMD const & I,
517  detail::fvec4SIMD const & Nref);
518 
523  detail::fvec4SIMD reflect(
524  detail::fvec4SIMD const & I,
525  detail::fvec4SIMD const & N);
526 
532  detail::fvec4SIMD refract(
533  detail::fvec4SIMD const & I,
534  detail::fvec4SIMD const & N,
535  float const & eta);
536 
540  detail::fvec4SIMD sqrt(
541  detail::fvec4SIMD const & x);
542 
547  detail::fvec4SIMD niceSqrt(
548  detail::fvec4SIMD const & x);
549 
554  detail::fvec4SIMD fastSqrt(
555  detail::fvec4SIMD const & x);
556 
560  detail::fvec4SIMD inversesqrt(
561  detail::fvec4SIMD const & x);
562 
567  detail::fvec4SIMD fastInversesqrt(
568  detail::fvec4SIMD const & x);
569 
571 }//namespace glm
572 
573 #include "simd_vec4.inl"
574 
575 #if (GLM_COMPILER & GLM_COMPILER_VC)
576 # pragma warning(pop)
577 #endif
578 
579 #endif//(GLM_ARCH != GLM_ARCH_PURE)
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::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::fma
GLM_FUNC_DECL genType fma(genType const &a, genType const &b, genType const &c)
Computes and returns a * b + c.
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::fract
GLM_FUNC_DECL genType fract(genType x)
Return x - floor(x).
glm::length
GLM_FUNC_DECL T length(vecType< T, P > const &x)
Returns the length of x, i.e., sqrt(x * x).
glm::fastNormalize
GLM_FUNC_DECL genType fastNormalize(genType const &x)
Faster than the common normalize function but less accurate.
glm::vec2
highp_vec2 vec2
2 components vector of floating-point numbers.
Definition: type_vec.hpp:390
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::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::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::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::fastLength
GLM_FUNC_DECL genType fastLength(genType x)
Faster than the common length function but less accurate.
glm::round
GLM_FUNC_DECL vecType< T, P > round(vecType< T, P > const &x)
Returns a value equal to the nearest integer to 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
Definition: _noise.hpp:40
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::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::fastSqrt
GLM_FUNC_DECL genType fastSqrt(genType x)
Faster than the common sqrt function but less accurate.
glm::vec4
highp_vec4 vec4
4 components vector of floating-point numbers.
Definition: type_vec.hpp:400
glm::max
GLM_FUNC_DECL genType max(genType x, genType y)
Returns y if x < y; otherwise, it returns x.
glm::vec3
highp_vec3 vec3
3 components vector of floating-point numbers.
Definition: type_vec.hpp:395
glm::abs
GLM_FUNC_DECL genType abs(genType x)
Returns x if x >= 0; otherwise, it returns -x.
glm::min
GLM_FUNC_DECL genType min(genType x, genType y)
Returns y if y < x; otherwise, it returns x.
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::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::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::mod
GLM_FUNC_DECL genType mod(genType x, genType y)
Modulus.
glm::sqrt
GLM_FUNC_DECL vecType< T, P > sqrt(vecType< T, P > const &v)
Returns the positive square root of v.
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.
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