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Diffstat (limited to 'external/include/glm/detail/func_geometric.inl')
-rw-r--r-- | external/include/glm/detail/func_geometric.inl | 247 |
1 files changed, 0 insertions, 247 deletions
diff --git a/external/include/glm/detail/func_geometric.inl b/external/include/glm/detail/func_geometric.inl deleted file mode 100644 index 67255d4..0000000 --- a/external/include/glm/detail/func_geometric.inl +++ /dev/null @@ -1,247 +0,0 @@ -/// @ref core -/// @file glm/detail/func_geometric.inl - -#include "../exponential.hpp" -#include "../common.hpp" -#include "type_vec2.hpp" -#include "type_vec4.hpp" -#include "type_float.hpp" - -namespace glm{ -namespace detail -{ - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_length - { - GLM_FUNC_QUALIFIER static T call(vec<L, T, Q> const& v) - { - return sqrt(dot(v, v)); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_distance - { - GLM_FUNC_QUALIFIER static T call(vec<L, T, Q> const& p0, vec<L, T, Q> const& p1) - { - return length(p1 - p0); - } - }; - - template<typename V, typename T, bool Aligned> - struct compute_dot{}; - - template<typename T, qualifier Q, bool Aligned> - struct compute_dot<vec<1, T, Q>, T, Aligned> - { - GLM_FUNC_QUALIFIER static T call(vec<1, T, Q> const& a, vec<1, T, Q> const& b) - { - return a.x * b.x; - } - }; - - template<typename T, qualifier Q, bool Aligned> - struct compute_dot<vec<2, T, Q>, T, Aligned> - { - GLM_FUNC_QUALIFIER static T call(vec<2, T, Q> const& a, vec<2, T, Q> const& b) - { - vec<2, T, Q> tmp(a * b); - return tmp.x + tmp.y; - } - }; - - template<typename T, qualifier Q, bool Aligned> - struct compute_dot<vec<3, T, Q>, T, Aligned> - { - GLM_FUNC_QUALIFIER static T call(vec<3, T, Q> const& a, vec<3, T, Q> const& b) - { - vec<3, T, Q> tmp(a * b); - return tmp.x + tmp.y + tmp.z; - } - }; - - template<typename T, qualifier Q, bool Aligned> - struct compute_dot<vec<4, T, Q>, T, Aligned> - { - GLM_FUNC_QUALIFIER static T call(vec<4, T, Q> const& a, vec<4, T, Q> const& b) - { - vec<4, T, Q> tmp(a * b); - return (tmp.x + tmp.y) + (tmp.z + tmp.w); - } - }; - - template<typename T, qualifier Q, bool Aligned> - struct compute_cross - { - GLM_FUNC_QUALIFIER static vec<3, T, Q> call(vec<3, T, Q> const& x, vec<3, T, Q> const& y) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'cross' accepts only floating-point inputs"); - - return vec<3, T, Q>( - x.y * y.z - y.y * x.z, - x.z * y.x - y.z * x.x, - x.x * y.y - y.x * x.y); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_normalize - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& v) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'normalize' accepts only floating-point inputs"); - - return v * inversesqrt(dot(v, v)); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_faceforward - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& N, vec<L, T, Q> const& I, vec<L, T, Q> const& Nref) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'normalize' accepts only floating-point inputs"); - - return dot(Nref, I) < static_cast<T>(0) ? N : -N; - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_reflect - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& I, vec<L, T, Q> const& N) - { - return I - N * dot(N, I) * static_cast<T>(2); - } - }; - - template<length_t L, typename T, qualifier Q, bool Aligned> - struct compute_refract - { - GLM_FUNC_QUALIFIER static vec<L, T, Q> call(vec<L, T, Q> const& I, vec<L, T, Q> const& N, T eta) - { - T const dotValue(dot(N, I)); - T const k(static_cast<T>(1) - eta * eta * (static_cast<T>(1) - dotValue * dotValue)); - return (eta * I - (eta * dotValue + std::sqrt(k)) * N) * static_cast<T>(k >= static_cast<T>(0)); - } - }; -}//namespace detail - - // length - template<typename genType> - GLM_FUNC_QUALIFIER genType length(genType x) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'length' accepts only floating-point inputs"); - - return abs(x); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER T length(vec<L, T, Q> const& v) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'length' accepts only floating-point inputs"); - - return detail::compute_length<L, T, Q, detail::is_aligned<Q>::value>::call(v); - } - - // distance - template<typename genType> - GLM_FUNC_QUALIFIER genType distance(genType const& p0, genType const& p1) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'distance' accepts only floating-point inputs"); - - return length(p1 - p0); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER T distance(vec<L, T, Q> const& p0, vec<L, T, Q> const& p1) - { - return detail::compute_distance<L, T, Q, detail::is_aligned<Q>::value>::call(p0, p1); - } - - // dot - template<typename T> - GLM_FUNC_QUALIFIER T dot(T x, T y) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'dot' accepts only floating-point inputs"); - return x * y; - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER T dot(vec<L, T, Q> const& x, vec<L, T, Q> const& y) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'dot' accepts only floating-point inputs"); - return detail::compute_dot<vec<L, T, Q>, T, detail::is_aligned<Q>::value>::call(x, y); - } - - // cross - template<typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<3, T, Q> cross(vec<3, T, Q> const& x, vec<3, T, Q> const& y) - { - return detail::compute_cross<T, Q, detail::is_aligned<Q>::value>::call(x, y); - } - - // normalize - template<typename genType> - GLM_FUNC_QUALIFIER genType normalize(genType const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'normalize' accepts only floating-point inputs"); - - return x < genType(0) ? genType(-1) : genType(1); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> normalize(vec<L, T, Q> const& x) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'normalize' accepts only floating-point inputs"); - - return detail::compute_normalize<L, T, Q, detail::is_aligned<Q>::value>::call(x); - } - - // faceforward - template<typename genType> - GLM_FUNC_QUALIFIER genType faceforward(genType const& N, genType const& I, genType const& Nref) - { - return dot(Nref, I) < static_cast<genType>(0) ? N : -N; - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> faceforward(vec<L, T, Q> const& N, vec<L, T, Q> const& I, vec<L, T, Q> const& Nref) - { - return detail::compute_faceforward<L, T, Q, detail::is_aligned<Q>::value>::call(N, I, Nref); - } - - // reflect - template<typename genType> - GLM_FUNC_QUALIFIER genType reflect(genType const& I, genType const& N) - { - return I - N * dot(N, I) * genType(2); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> reflect(vec<L, T, Q> const& I, vec<L, T, Q> const& N) - { - return detail::compute_reflect<L, T, Q, detail::is_aligned<Q>::value>::call(I, N); - } - - // refract - template<typename genType> - GLM_FUNC_QUALIFIER genType refract(genType const& I, genType const& N, genType eta) - { - GLM_STATIC_ASSERT(std::numeric_limits<genType>::is_iec559, "'refract' accepts only floating-point inputs"); - genType const dotValue(dot(N, I)); - genType const k(static_cast<genType>(1) - eta * eta * (static_cast<genType>(1) - dotValue * dotValue)); - return (eta * I - (eta * dotValue + sqrt(k)) * N) * static_cast<genType>(k >= static_cast<genType>(0)); - } - - template<length_t L, typename T, qualifier Q> - GLM_FUNC_QUALIFIER vec<L, T, Q> refract(vec<L, T, Q> const& I, vec<L, T, Q> const& N, T eta) - { - GLM_STATIC_ASSERT(std::numeric_limits<T>::is_iec559, "'refract' accepts only floating-point inputs"); - return detail::compute_refract<L, T, Q, detail::is_aligned<Q>::value>::call(I, N, eta); - } -}//namespace glm - -#if GLM_ARCH != GLM_ARCH_PURE && GLM_HAS_UNRESTRICTED_UNIONS -# include "func_geometric_simd.inl" -#endif |