diff options
author | jfons <joan.fonssanchez@gmail.com> | 2021-05-20 12:49:33 +0200 |
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committer | jfons <joan.fonssanchez@gmail.com> | 2021-05-21 17:00:24 +0200 |
commit | 767e374dced69b45db0afb30ca2ccf0bbbeef672 (patch) | |
tree | a712cecc2c8cc2c6d6ecdc4a50020d423ddb4c0c /thirdparty/embree-aarch64/common/math/interval.h | |
parent | 42b6602f1d4b108cecb94b94c0d2b645acaebd4f (diff) |
Upgrade Embree to the latest official release.
Since Embree v3.13.0 supports AARCH64, switch back to the
official repo instead of using Embree-aarch64.
`thirdparty/embree/patches/godot-changes.patch` should now contain
an accurate diff of the changes done to the library.
Diffstat (limited to 'thirdparty/embree-aarch64/common/math/interval.h')
-rw-r--r-- | thirdparty/embree-aarch64/common/math/interval.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/thirdparty/embree-aarch64/common/math/interval.h b/thirdparty/embree-aarch64/common/math/interval.h deleted file mode 100644 index f06478e881..0000000000 --- a/thirdparty/embree-aarch64/common/math/interval.h +++ /dev/null @@ -1,161 +0,0 @@ -// Copyright 2009-2020 Intel Corporation -// SPDX-License-Identifier: Apache-2.0 - -#pragma once - -#include "vec2.h" -#include "vec3.h" -#include "bbox.h" - -namespace embree -{ - template<typename V> - struct Interval - { - V lower, upper; - - __forceinline Interval() {} - __forceinline Interval ( const Interval& other ) { lower = other.lower; upper = other.upper; } - __forceinline Interval& operator=( const Interval& other ) { lower = other.lower; upper = other.upper; return *this; } - - __forceinline Interval(const V& a) : lower(a), upper(a) {} - __forceinline Interval(const V& lower, const V& upper) : lower(lower), upper(upper) {} - __forceinline Interval(const BBox<V>& a) : lower(a.lower), upper(a.upper) {} - - /*! tests if box is empty */ - //__forceinline bool empty() const { return lower > upper; } - - /*! computes the size of the interval */ - __forceinline V size() const { return upper - lower; } - - __forceinline V center() const { return 0.5f*(lower+upper); } - - __forceinline const Interval& extend(const Interval& other) { lower = min(lower,other.lower); upper = max(upper,other.upper); return *this; } - __forceinline const Interval& extend(const V & other) { lower = min(lower,other ); upper = max(upper,other ); return *this; } - - __forceinline friend Interval operator +( const Interval& a, const Interval& b ) { - return Interval(a.lower+b.lower,a.upper+b.upper); - } - - __forceinline friend Interval operator -( const Interval& a, const Interval& b ) { - return Interval(a.lower-b.upper,a.upper-b.lower); - } - - __forceinline friend Interval operator -( const Interval& a, const V& b ) { - return Interval(a.lower-b,a.upper-b); - } - - __forceinline friend Interval operator *( const Interval& a, const Interval& b ) - { - const V ll = a.lower*b.lower; - const V lu = a.lower*b.upper; - const V ul = a.upper*b.lower; - const V uu = a.upper*b.upper; - return Interval(min(ll,lu,ul,uu),max(ll,lu,ul,uu)); - } - - __forceinline friend Interval merge( const Interval& a, const Interval& b) { - return Interval(min(a.lower,b.lower),max(a.upper,b.upper)); - } - - __forceinline friend Interval merge( const Interval& a, const Interval& b, const Interval& c) { - return merge(merge(a,b),c); - } - - __forceinline friend Interval merge( const Interval& a, const Interval& b, const Interval& c, const Interval& d) { - return merge(merge(a,b),merge(c,d)); - } - - /*! intersect bounding boxes */ - __forceinline friend const Interval intersect( const Interval& a, const Interval& b ) { return Interval(max(a.lower, b.lower), min(a.upper, b.upper)); } - __forceinline friend const Interval intersect( const Interval& a, const Interval& b, const Interval& c ) { return intersect(a,intersect(b,c)); } - __forceinline friend const Interval intersect( const Interval& a, const Interval& b, const Interval& c, const Interval& d ) { return intersect(intersect(a,b),intersect(c,d)); } - - friend embree_ostream operator<<(embree_ostream cout, const Interval& a) { - return cout << "[" << a.lower << ", " << a.upper << "]"; - } - - //////////////////////////////////////////////////////////////////////////////// - /// Constants - //////////////////////////////////////////////////////////////////////////////// - - __forceinline Interval( EmptyTy ) : lower(pos_inf), upper(neg_inf) {} - __forceinline Interval( FullTy ) : lower(neg_inf), upper(pos_inf) {} - }; - - __forceinline bool isEmpty(const Interval<float>& v) { - return v.lower > v.upper; - } - - __forceinline vboolx isEmpty(const Interval<vfloatx>& v) { - return v.lower > v.upper; - } - - /*! subset relation */ - template<typename T> __forceinline bool subset( const Interval<T>& a, const Interval<T>& b ) { - return (a.lower > b.lower) && (a.upper < b.upper); - } - - template<typename T> __forceinline bool subset( const Vec2<Interval<T>>& a, const Vec2<Interval<T>>& b ) { - return subset(a.x,b.x) && subset(a.y,b.y); - } - - template<typename T> __forceinline const Vec2<Interval<T>> intersect( const Vec2<Interval<T>>& a, const Vec2<Interval<T>>& b ) { - return Vec2<Interval<T>>(intersect(a.x,b.x),intersect(a.y,b.y)); - } - - //////////////////////////////////////////////////////////////////////////////// - /// Select - //////////////////////////////////////////////////////////////////////////////// - - template<typename T> __forceinline Interval<T> select ( bool s, const Interval<T>& t, const Interval<T>& f ) { - return Interval<T>(select(s,t.lower,f.lower),select(s,t.upper,f.upper)); - } - - template<typename T> __forceinline Interval<T> select ( const typename T::Bool& s, const Interval<T>& t, const Interval<T>& f ) { - return Interval<T>(select(s,t.lower,f.lower),select(s,t.upper,f.upper)); - } - - __forceinline int numRoots(const Interval<float>& p0, const Interval<float>& p1) - { - float eps = 1E-4f; - bool neg0 = p0.lower < eps; bool pos0 = p0.upper > -eps; - bool neg1 = p1.lower < eps; bool pos1 = p1.upper > -eps; - return (neg0 && pos1) || (pos0 && neg1) || (neg0 && pos0) || (neg1 && pos1); - } - - typedef Interval<float> Interval1f; - typedef Vec2<Interval<float>> Interval2f; - typedef Vec3<Interval<float>> Interval3f; - -inline void swap(float& a, float& b) { float tmp = a; a = b; b = tmp; } - -inline Interval1f shift(const Interval1f& v, float shift) { return Interval1f(v.lower + shift, v.upper + shift); } - -#define TWO_PI (2.0*M_PI) -inline Interval1f sin(Interval1f interval) -{ - if (interval.upper-interval.lower >= M_PI) { return Interval1f(-1.0, 1.0); } - if (interval.upper > TWO_PI) { interval = shift(interval, -TWO_PI*floor(interval.upper/TWO_PI)); } - if (interval.lower < 0) { interval = shift(interval, -TWO_PI*floor(interval.lower/TWO_PI)); } - float sinLower = sin(interval.lower); - float sinUpper = sin(interval.upper); - if (sinLower > sinUpper) swap(sinLower, sinUpper); - if (interval.lower < M_PI / 2.0 && interval.upper > M_PI / 2.0) sinUpper = 1.0; - if (interval.lower < 3.0 * M_PI / 2.0 && interval.upper > 3.0 * M_PI / 2.0) sinLower = -1.0; - return Interval1f(sinLower, sinUpper); -} - -inline Interval1f cos(Interval1f interval) -{ - if (interval.upper-interval.lower >= M_PI) { return Interval1f(-1.0, 1.0); } - if (interval.upper > TWO_PI) { interval = shift(interval, -TWO_PI*floor(interval.upper/TWO_PI)); } - if (interval.lower < 0) { interval = shift(interval, -TWO_PI*floor(interval.lower/TWO_PI)); } - float cosLower = cos(interval.lower); - float cosUpper = cos(interval.upper); - if (cosLower > cosUpper) swap(cosLower, cosUpper); - if (interval.lower < M_PI && interval.upper > M_PI) cosLower = -1.0; - return Interval1f(cosLower, cosUpper); -} -#undef TWO_PI -} |