1595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian/* 2595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * Copyright 2013 The Android Open Source Project 3595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * 4595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * Licensed under the Apache License, Version 2.0 (the "License"); 5595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * you may not use this file except in compliance with the License. 6595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * You may obtain a copy of the License at 7595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * 8595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * http://www.apache.org/licenses/LICENSE-2.0 9595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * 10595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * Unless required by applicable law or agreed to in writing, software 11595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * distributed under the License is distributed on an "AS IS" BASIS, 12595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * See the License for the specific language governing permissions and 14595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian * limitations under the License. 15595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian */ 16595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 171d77b719d51a01cbd6954a048fb64e79d50a950eMathias Agopian#pragma once 18595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 191d77b719d51a01cbd6954a048fb64e79d50a950eMathias Agopian#include <math/vec2.h> 201d77b719d51a01cbd6954a048fb64e79d50a950eMathias Agopian#include <math/half.h> 21595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian#include <stdint.h> 22595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian#include <sys/types.h> 23595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 24caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic push 25caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic ignored "-Wgnu-anonymous-struct" 26caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic ignored "-Wnested-anon-types" 27595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 28595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopiannamespace android { 29595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian// ------------------------------------------------------------------------------------- 30595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 315d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guynamespace details { 325d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy 33595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopiantemplate <typename T> 345d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guyclass TVec3 : public TVecProductOperators<TVec3, T>, 355d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecAddOperators<TVec3, T>, 365d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecUnaryOperators<TVec3, T>, 375d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecComparisonOperators<TVec3, T>, 385d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecFunctions<TVec3, T>, 395d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecDebug<TVec3, T> { 40595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopianpublic: 41595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian enum no_init { NO_INIT }; 42595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef T value_type; 43595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef T& reference; 44595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef T const& const_reference; 45595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef size_t size_type; 46595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 47595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian union { 48595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian struct { T x, y, z; }; 49595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian struct { T s, t, p; }; 50595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian struct { T r, g, b; }; 515d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec2<T> xy; 525d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec2<T> st; 535d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec2<T> rg; 54595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian }; 55595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 565d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy static constexpr size_t SIZE = 3; 575d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy inline constexpr size_type size() const { return SIZE; } 58595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 59595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // array access 605d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy inline constexpr T const& operator[](size_t i) const { 615d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#if __cplusplus >= 201402L 625d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy // only possible in C++0x14 with constexpr 635d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy assert(i < SIZE); 645d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#endif 655d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy return (&x)[i]; 665d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy } 675d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy 685d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy inline T& operator[](size_t i) { 695d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy assert(i < SIZE); 705d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy return (&x)[i]; 715d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy } 72595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 73595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // ----------------------------------------------------------------------- 745d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy // we want the compiler generated versions for these... 755d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec3(const TVec3&) = default; 765d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy ~TVec3() = default; 775d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec3& operator = (const TVec3&) = default; 78595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 79595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // constructors 80595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // leaves object uninitialized. use with caution. 815d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy explicit 825d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec3(no_init) { } 83595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 84595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // default constructor 855d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec3() : x(0), y(0), z(0) { } 86595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 87595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // handles implicit conversion to a tvec4. must not be explicit. 885d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy template<typename A, typename = typename std::enable_if<std::is_arithmetic<A>::value >::type> 895d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec3(A v) : x(v), y(v), z(v) { } 90595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 91595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian template<typename A, typename B, typename C> 925d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec3(A x, B y, C z) : x(x), y(y), z(z) { } 93595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 94595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian template<typename A, typename B> 955d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec3(const TVec2<A>& v, B z) : x(v.x), y(v.y), z(z) { } 96595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 971d4d8f94e2989b7c8667602304df9059d2701653Mathias Agopian template<typename A> 985d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy explicit 995d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec3(const TVec3<A>& v) : x(v.x), y(v.y), z(v.z) { } 100595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 101595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // cross product works only on vectors of size 3 102595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian template <typename RT> 103595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian friend inline 1045d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec3 cross(const TVec3& u, const TVec3<RT>& v) { 1055d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy return TVec3( 106595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian u.y*v.z - u.z*v.y, 107595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian u.z*v.x - u.x*v.z, 108595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian u.x*v.y - u.y*v.x); 109595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian } 110595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian}; 111595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 1125d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy} // namespace details 113595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 114595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian// ---------------------------------------------------------------------------------------- 115595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 1165d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec3<double> double3; 1175d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec3<float> float3; 1185d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec3<float> vec3; 1195d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec3<half> half3; 1205d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec3<int32_t> int3; 1215d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec3<uint32_t> uint3; 1225d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec3<int16_t> short3; 1235d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec3<uint16_t> ushort3; 1245d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec3<int8_t> byte3; 1255d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec3<uint8_t> ubyte3; 12611ecb63414d2fea2f4217db8bb06a998bcf8b425Romain Guytypedef details::TVec3<bool> bool3; 127595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 128595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian// ---------------------------------------------------------------------------------------- 1295d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy} // namespace android 130595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 131caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic pop 132