vec4.h revision 11ecb63414d2fea2f4217db8bb06a998bcf8b425
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 175d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#ifndef UI_VEC4_H_ 185d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#define UI_VEC4_H_ 19595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 205d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#include <ui/vec3.h> 215d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#include <ui/half.h> 22595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian#include <stdint.h> 23595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian#include <sys/types.h> 24595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 25caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic push 26caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic ignored "-Wgnu-anonymous-struct" 27caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic ignored "-Wnested-anon-types" 28595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 29595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopiannamespace android { 30595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian// ------------------------------------------------------------------------------------- 31595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 325d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guynamespace details { 335d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy 34595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopiantemplate <typename T> 355d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guyclass TVec4 : public TVecProductOperators<TVec4, T>, 365d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecAddOperators<TVec4, T>, 375d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecUnaryOperators<TVec4, T>, 385d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecComparisonOperators<TVec4, T>, 395d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecFunctions<TVec4, T>, 405d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy public TVecDebug<TVec4, T> { 41595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopianpublic: 42595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian enum no_init { NO_INIT }; 43595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef T value_type; 44595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef T& reference; 45595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef T const& const_reference; 46595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian typedef size_t size_type; 47595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 48595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian union { 49595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian struct { T x, y, z, w; }; 50595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian struct { T s, t, p, q; }; 51595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian struct { T r, g, b, a; }; 525d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec2<T> xy; 535d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec2<T> st; 545d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec2<T> rg; 555d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec3<T> xyz; 565d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec3<T> stp; 575d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec3<T> rgb; 58595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian }; 59595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 605d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy static constexpr size_t SIZE = 4; 615d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy inline constexpr size_type size() const { return SIZE; } 62595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 63595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // array access 645d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy inline constexpr T const& operator[](size_t i) const { 655d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#if __cplusplus >= 201402L 665d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy // only possible in C++0x14 with constexpr 675d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy assert(i < SIZE); 685d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#endif 695d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy return (&x)[i]; 705d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy } 715d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy 725d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy inline T& operator[](size_t i) { 735d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy assert(i < SIZE); 745d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy return (&x)[i]; 755d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy } 76595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 77595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // ----------------------------------------------------------------------- 785d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy // we want the compiler generated versions for these... 795d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec4(const TVec4&) = default; 805d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy ~TVec4() = default; 815d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy TVec4& operator = (const TVec4&) = default; 82595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 83595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // constructors 84595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 85595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // leaves object uninitialized. use with caution. 865d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy explicit 875d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec4(no_init) { } 88595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 89595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // default constructor 905d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec4() : x(0), y(0), z(0), w(0) { } 91595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 92595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian // handles implicit conversion to a tvec4. must not be explicit. 935d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy template<typename A, typename = typename std::enable_if<std::is_arithmetic<A>::value >::type> 945d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec4(A v) : x(v), y(v), z(v), w(v) { } 95595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 96595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian template<typename A, typename B, typename C, typename D> 975d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec4(A x, B y, C z, D w) : x(x), y(y), z(z), w(w) { } 98595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 99595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian template<typename A, typename B, typename C> 1005d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec4(const TVec2<A>& v, B z, C w) : x(v.x), y(v.y), z(z), w(w) { } 101595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 102595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian template<typename A, typename B> 1035d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec4(const TVec3<A>& v, B w) : x(v.x), y(v.y), z(v.z), w(w) { } 104595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 1051d4d8f94e2989b7c8667602304df9059d2701653Mathias Agopian template<typename A> 1065d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy explicit 1075d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy constexpr TVec4(const TVec4<A>& v) : x(v.x), y(v.y), z(v.z), w(v.w) { } 108595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian}; 109595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 1105d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy} // namespace details 1115d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy 112595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian// ---------------------------------------------------------------------------------------- 113595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 1145d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec4<double> double4; 1155d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec4<float> float4; 1165d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec4<float> vec4; 1175d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec4<half> half4; 1185d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec4<int32_t> int4; 1195d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec4<uint32_t> uint4; 1205d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec4<int16_t> short4; 1215d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec4<uint16_t> ushort4; 1225d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec4<int8_t> byte4; 1235d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guytypedef details::TVec4<uint8_t> ubyte4; 12411ecb63414d2fea2f4217db8bb06a998bcf8b425Romain Guytypedef details::TVec4<bool> bool4; 125595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 126595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian// ---------------------------------------------------------------------------------------- 1275d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy} // namespace android 128595ea77f6bdb5e9d0ddd3305da7a44b56f326b2cMathias Agopian 129caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy#pragma clang diagnostic pop 130caf2ca414f69d460c516e2370cf42bcf49178d95Romain Guy 1315d4bae7f170640e0e280b3ca8a22b18e80801a8aRomain Guy#endif // UI_VEC4_H_ 132