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/TVecHelpers.h> 201d77b719d51a01cbd6954a048fb64e79d50a950eMathias Agopian#include <math/half.h> 215d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#include <assert.h> 22595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian#include <stdint.h> 23595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian#include <sys/types.h> 245d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#include <type_traits> 25595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 26caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic push 27caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic ignored "-Wgnu-anonymous-struct" 28caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic ignored "-Wnested-anon-types" 29595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 30595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopiannamespace android { 31595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian// ------------------------------------------------------------------------------------- 32595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 335d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guynamespace details { 345d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy 35595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopiantemplate <typename T> 365d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guyclass TVec2 : public TVecProductOperators<TVec2, T>, 375d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecAddOperators<TVec2, T>, 385d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecUnaryOperators<TVec2, T>, 395d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecComparisonOperators<TVec2, T>, 405d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecFunctions<TVec2, T>, 415d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecDebug<TVec2, T> { 42595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopianpublic: 43595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian enum no_init { NO_INIT }; 44595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef T value_type; 45595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef T& reference; 46595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef T const& const_reference; 47595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef size_t size_type; 48595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 49595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian union { 50595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian struct { T x, y; }; 51595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian struct { T s, t; }; 52595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian struct { T r, g; }; 53595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian }; 54595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 555d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy static constexpr size_t SIZE = 2; 565d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy inline constexpr size_type size() const { return SIZE; } 57595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 58595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // array access 595d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy inline constexpr T const& operator[](size_t i) const { 605d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#if __cplusplus >= 201402L 615d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy // only possible in C++0x14 with constexpr 625d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy assert(i < SIZE); 635d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#endif 645d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy return (&x)[i]; 655d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy } 665d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy 675d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy inline T& operator[](size_t i) { 685d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy assert(i < SIZE); 695d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy return (&x)[i]; 705d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy } 71595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 72595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // ----------------------------------------------------------------------- 735d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy // we want the compiler generated versions for these... 745d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec2(const TVec2&) = default; 755d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy ~TVec2() = default; 765d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec2& operator = (const TVec2&) = default; 77595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 78595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // constructors 79595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 80595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // leaves object uninitialized. use with caution. 815d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy explicit 825d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec2(no_init) { } 83595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 84595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // default constructor 855d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec2() : x(0), y(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 TVec2(A v) : x(v), y(v) { } 90595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 91595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian template<typename A, typename B> 925d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec2(A x, B y) : x(x), y(y) { } 93595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 94595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian template<typename A> 955d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy explicit 965d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec2(const TVec2<A>& v) : x(v.x), y(v.y) { } 975d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy 985d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy // cross product works only on vectors of size 2 or 3 99caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy template<typename RT> 1005d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy friend inline 1015d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr value_type cross(const TVec2& u, const TVec2<RT>& v) { 1025d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy return value_type(u.x*v.y - u.y*v.x); 1035d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy } 104595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian}; 105595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 1065d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy} // namespace details 1075d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy 108595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian// ---------------------------------------------------------------------------------------- 109595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 1105d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec2<double> double2; 1115d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec2<float> float2; 1125d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec2<float> vec2; 1135d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec2<half> half2; 1145d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec2<int32_t> int2; 1155d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec2<uint32_t> uint2; 1165d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec2<int16_t> short2; 1175d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec2<uint16_t> ushort2; 1185d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec2<int8_t> byte2; 1195d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec2<uint8_t> ubyte2; 12011ecb63414d2fea2f4217db8bb06a998bcf8b425Romain Guytypedef details::TVec2<bool> bool2; 121595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 122595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian// ---------------------------------------------------------------------------------------- 1235d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy} // namespace android 124595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 125caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic pop 126