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375 lines
13 KiB
375 lines
13 KiB
///////////////////////////////////////////////////////////////////////////////////
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/// OpenGL Mathematics (glm.g-truc.net)
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///
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/// Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
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/// Permission is hereby granted, free of charge, to any person obtaining a copy
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/// of this software and associated documentation files (the "Software"), to deal
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/// in the Software without restriction, including without limitation the rights
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/// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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/// copies of the Software, and to permit persons to whom the Software is
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/// furnished to do so, subject to the following conditions:
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///
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/// The above copyright notice and this permission notice shall be included in
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/// all copies or substantial portions of the Software.
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///
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/// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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/// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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/// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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/// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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/// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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/// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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/// THE SOFTWARE.
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///
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/// @ref gtc_swizzle
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/// @file glm/gtc/swizzle.hpp
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/// @date 2010-02-20 / 2011-06-05
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/// @author Christophe Riccio
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///
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/// @see core (dependence)
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///
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/// @defgroup gtc_swizzle GLM_GTC_swizzle
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/// @ingroup gtc
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///
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/// @brief Provide functions to emulate GLSL swizzle operator fonctionalities.
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///
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/// <glm/gtc/swizzle.hpp> need to be included to use these functionalities.
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef GLM_GTC_swizzle
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#define GLM_GTC_swizzle GLM_VERSION
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// Dependency:
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#include "../glm.hpp"
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#include "../gtc/type_precision.hpp"
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#if(defined(GLM_MESSAGES) && !defined(glm_ext))
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# pragma message("GLM: GLM_GTC_swizzle extension included")
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#endif
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namespace glm
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{
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/// @addtogroup gtc_swizzle
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/// @{
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template <typename T, template <typename> class vecType>
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T const & swizzle(
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vecType<T> const & v,
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comp x);
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template <typename T, template <typename> class vecType>
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detail::tvec2<T> const & swizzle(
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vecType<T> const & v,
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comp x, comp y);
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template <typename T, template <typename> class vecType>
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detail::tvec3<T> const & swizzle(
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vecType<T> const & v,
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comp x, comp y, comp z);
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template <typename T, template <typename> class vecType>
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detail::tvec4<T> const & swizzle(
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vecType<T> const & v,
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comp x, comp y, comp z, comp w);
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template <typename T, template <typename> class vecType>
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T & swizzle(
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vecType<T> & v,
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comp x);
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template <typename T, template <typename> class vecType>
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detail::tref2<T> swizzle(
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vecType<T> & v,
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comp x, comp y);
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template <typename T, template <typename> class vecType>
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detail::tref3<T> swizzle(
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vecType<T> & v,
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comp x, comp y, comp z);
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template <typename T, template <typename> class vecType>
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detail::tref4<T> swizzle(
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vecType<T> & v,
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comp x, comp y, comp z, comp w);
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# define static_swizzle1_const(TYPE, SIZE) \
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template <comp x> \
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GLM_FUNC_QUALIFIER TYPE swizzle(detail::tvec##SIZE<TYPE> const & v) \
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{return v[x];}
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# define static_swizzle1_ref(TYPE, SIZE) \
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template <comp x> \
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GLM_FUNC_QUALIFIER TYPE& swizzle(detail::tvec##SIZE<TYPE> & v) \
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{return v[x];}
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static_swizzle1_ref(detail::float16, 2)
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static_swizzle1_ref(detail::float16, 3)
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static_swizzle1_ref(detail::float16, 4)
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static_swizzle1_ref(detail::float32, 2)
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static_swizzle1_ref(detail::float32, 3)
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static_swizzle1_ref(detail::float32, 4)
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static_swizzle1_ref(detail::float64, 2)
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static_swizzle1_ref(detail::float64, 3)
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static_swizzle1_ref(detail::float64, 4)
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static_swizzle1_ref(detail::int8, 2)
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static_swizzle1_ref(detail::int8, 3)
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static_swizzle1_ref(detail::int8, 4)
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static_swizzle1_ref(detail::int16, 2)
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static_swizzle1_ref(detail::int16, 3)
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static_swizzle1_ref(detail::int16, 4)
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static_swizzle1_ref(detail::int32, 2)
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static_swizzle1_ref(detail::int32, 3)
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static_swizzle1_ref(detail::int32, 4)
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static_swizzle1_ref(detail::int64, 2)
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static_swizzle1_ref(detail::int64, 3)
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static_swizzle1_ref(detail::int64, 4)
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static_swizzle1_ref(detail::uint8, 2)
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static_swizzle1_ref(detail::uint8, 3)
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static_swizzle1_ref(detail::uint8, 4)
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static_swizzle1_ref(detail::uint16, 2)
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static_swizzle1_ref(detail::uint16, 3)
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static_swizzle1_ref(detail::uint16, 4)
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static_swizzle1_ref(detail::uint32, 2)
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static_swizzle1_ref(detail::uint32, 3)
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static_swizzle1_ref(detail::uint32, 4)
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static_swizzle1_ref(detail::uint64, 2)
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static_swizzle1_ref(detail::uint64, 3)
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static_swizzle1_ref(detail::uint64, 4)
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/*
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# define static_swizzle2_const(TYPE) \
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template <comp x, comp y> \
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GLM_FUNC_QUALIFIER TYPE swizzle(TYPE const & v) \
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{return TYPE(v[x], v[y]);}
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# define static_swizzle3_const(TYPE) \
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template <comp x, comp y, comp z> \
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GLM_FUNC_QUALIFIER TYPE swizzle(TYPE const & v) \
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{return TYPE(v[x], v[y], v[z]);}
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# define static_swizzle4_const(TYPE) \
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template <comp x, comp y, comp z, comp w> \
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GLM_FUNC_QUALIFIER TYPE swizzle(TYPE const & v) \
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{return TYPE(v[x], v[y], v[z], v[w]);}
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*/
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# define static_swizzle2_const(TYPE, SIZE) \
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template <comp x, comp y> \
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GLM_FUNC_QUALIFIER detail::tvec2<TYPE> swizzle(detail::tvec##SIZE<TYPE> const & v) \
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{return detail::tvec2<TYPE>(v[x], v[y]);}
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# define static_swizzle3_const(TYPE, SIZE) \
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template <comp x, comp y, comp z> \
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GLM_FUNC_QUALIFIER detail::tvec3<TYPE> swizzle(detail::tvec##SIZE<TYPE> const & v) \
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{return detail::tvec3<TYPE>(v[x], v[y], v[z]);}
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# define static_swizzle4_const(TYPE, SIZE) \
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template <comp x, comp y, comp z, comp w> \
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GLM_FUNC_QUALIFIER detail::tvec4<TYPE> swizzle(detail::tvec##SIZE<TYPE> const & v) \
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{return detail::tvec4<TYPE>(v[x], v[y], v[z], v[w]);}
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static_swizzle2_const(glm::f16, 2)
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static_swizzle2_const(glm::f16, 3)
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static_swizzle2_const(glm::f16, 4)
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static_swizzle2_const(glm::f32, 2)
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static_swizzle2_const(glm::f32, 3)
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static_swizzle2_const(glm::f32, 4)
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static_swizzle2_const(glm::f64, 2)
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static_swizzle2_const(glm::f64, 3)
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static_swizzle2_const(glm::f64, 4)
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static_swizzle2_const(glm::i8, 2)
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static_swizzle2_const(glm::i8, 3)
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static_swizzle2_const(glm::i8, 4)
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static_swizzle2_const(glm::i16, 2)
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static_swizzle2_const(glm::i16, 3)
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static_swizzle2_const(glm::i16, 4)
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static_swizzle2_const(glm::i32, 2)
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static_swizzle2_const(glm::i32, 3)
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static_swizzle2_const(glm::i32, 4)
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static_swizzle2_const(glm::i64, 2)
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static_swizzle2_const(glm::i64, 3)
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static_swizzle2_const(glm::i64, 4)
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static_swizzle2_const(glm::u8, 2)
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static_swizzle2_const(glm::u8, 3)
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static_swizzle2_const(glm::u8, 4)
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static_swizzle2_const(glm::u16, 2)
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static_swizzle2_const(glm::u16, 3)
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static_swizzle2_const(glm::u16, 4)
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static_swizzle2_const(glm::u32, 2)
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static_swizzle2_const(glm::u32, 3)
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static_swizzle2_const(glm::u32, 4)
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static_swizzle2_const(glm::u64, 2)
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static_swizzle2_const(glm::u64, 3)
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static_swizzle2_const(glm::u64, 4)
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static_swizzle3_const(glm::f16, 2)
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static_swizzle3_const(glm::f16, 3)
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static_swizzle3_const(glm::f16, 4)
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static_swizzle3_const(glm::f32, 2)
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static_swizzle3_const(glm::f32, 3)
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static_swizzle3_const(glm::f32, 4)
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static_swizzle3_const(glm::f64, 2)
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static_swizzle3_const(glm::f64, 3)
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static_swizzle3_const(glm::f64, 4)
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static_swizzle3_const(glm::i8, 2)
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static_swizzle3_const(glm::i8, 3)
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static_swizzle3_const(glm::i8, 4)
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static_swizzle3_const(glm::i16, 2)
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static_swizzle3_const(glm::i16, 3)
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static_swizzle3_const(glm::i16, 4)
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static_swizzle3_const(glm::i32, 2)
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static_swizzle3_const(glm::i32, 3)
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static_swizzle3_const(glm::i32, 4)
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static_swizzle3_const(glm::i64, 2)
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static_swizzle3_const(glm::i64, 3)
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static_swizzle3_const(glm::i64, 4)
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static_swizzle3_const(glm::u8, 2)
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static_swizzle3_const(glm::u8, 3)
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static_swizzle3_const(glm::u8, 4)
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static_swizzle3_const(glm::u16, 2)
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static_swizzle3_const(glm::u16, 3)
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static_swizzle3_const(glm::u16, 4)
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static_swizzle3_const(glm::u32, 2)
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static_swizzle3_const(glm::u32, 3)
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static_swizzle3_const(glm::u32, 4)
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static_swizzle3_const(glm::u64, 2)
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static_swizzle3_const(glm::u64, 3)
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static_swizzle3_const(glm::u64, 4)
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static_swizzle4_const(glm::f16, 2)
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static_swizzle4_const(glm::f16, 3)
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static_swizzle4_const(glm::f16, 4)
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static_swizzle4_const(glm::f32, 2)
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static_swizzle4_const(glm::f32, 3)
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static_swizzle4_const(glm::f32, 4)
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static_swizzle4_const(glm::f64, 2)
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static_swizzle4_const(glm::f64, 3)
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static_swizzle4_const(glm::f64, 4)
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static_swizzle4_const(glm::i8, 2)
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static_swizzle4_const(glm::i8, 3)
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static_swizzle4_const(glm::i8, 4)
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static_swizzle4_const(glm::i16, 2)
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static_swizzle4_const(glm::i16, 3)
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static_swizzle4_const(glm::i16, 4)
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static_swizzle4_const(glm::i32, 2)
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static_swizzle4_const(glm::i32, 3)
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static_swizzle4_const(glm::i32, 4)
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static_swizzle4_const(glm::i64, 2)
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static_swizzle4_const(glm::i64, 3)
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static_swizzle4_const(glm::i64, 4)
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static_swizzle4_const(glm::u8, 2)
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static_swizzle4_const(glm::u8, 3)
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static_swizzle4_const(glm::u8, 4)
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static_swizzle4_const(glm::u16, 2)
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static_swizzle4_const(glm::u16, 3)
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static_swizzle4_const(glm::u16, 4)
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static_swizzle4_const(glm::u32, 2)
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static_swizzle4_const(glm::u32, 3)
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static_swizzle4_const(glm::u32, 4)
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static_swizzle4_const(glm::u64, 2)
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static_swizzle4_const(glm::u64, 3)
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static_swizzle4_const(glm::u64, 4)
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# define static_swizzle2_ref(TYPE, SIZE) \
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template <glm::comp x, glm::comp y> \
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GLM_FUNC_QUALIFIER glm::detail::tref2<TYPE> swizzle(detail::tvec##SIZE<TYPE> & v) \
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{return glm::detail::tref2<TYPE>(v[x], v[y]);}
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# define static_swizzle3_ref(TYPE, SIZE) \
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template <glm::comp x, glm::comp y, glm::comp z> \
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GLM_FUNC_QUALIFIER glm::detail::tref3<TYPE> swizzle(detail::tvec##SIZE<TYPE> & v) \
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{return glm::detail::tref3<TYPE>(v[x], v[y], v[z]);}
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# define static_swizzle4_ref(TYPE, SIZE) \
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template <glm::comp x, glm::comp y, glm::comp z, glm::comp w> \
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GLM_FUNC_QUALIFIER glm::detail::tref4<TYPE> swizzle(detail::tvec##SIZE<TYPE> & v) \
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{return glm::detail::tref4<TYPE>(v[x], v[y], v[z], v[w]);}
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static_swizzle2_ref(glm::f16, 2)
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static_swizzle2_ref(glm::f16, 3)
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static_swizzle2_ref(glm::f16, 4)
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static_swizzle2_ref(glm::f32, 2)
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static_swizzle2_ref(glm::f32, 3)
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static_swizzle2_ref(glm::f32, 4)
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static_swizzle2_ref(glm::f64, 2)
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static_swizzle2_ref(glm::f64, 3)
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static_swizzle2_ref(glm::f64, 4)
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static_swizzle2_ref(glm::i8, 2)
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static_swizzle2_ref(glm::i8, 3)
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static_swizzle2_ref(glm::i8, 4)
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static_swizzle2_ref(glm::i16, 2)
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static_swizzle2_ref(glm::i16, 3)
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static_swizzle2_ref(glm::i16, 4)
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static_swizzle2_ref(glm::i32, 2)
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static_swizzle2_ref(glm::i32, 3)
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static_swizzle2_ref(glm::i32, 4)
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static_swizzle2_ref(glm::i64, 2)
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static_swizzle2_ref(glm::i64, 3)
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static_swizzle2_ref(glm::i64, 4)
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static_swizzle2_ref(glm::u8, 2)
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static_swizzle2_ref(glm::u8, 3)
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static_swizzle2_ref(glm::u8, 4)
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static_swizzle2_ref(glm::u16, 2)
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static_swizzle2_ref(glm::u16, 3)
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static_swizzle2_ref(glm::u16, 4)
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static_swizzle2_ref(glm::u32, 2)
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static_swizzle2_ref(glm::u32, 3)
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static_swizzle2_ref(glm::u32, 4)
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static_swizzle2_ref(glm::u64, 2)
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static_swizzle2_ref(glm::u64, 3)
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static_swizzle2_ref(glm::u64, 4)
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static_swizzle3_ref(glm::f16, 3)
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static_swizzle3_ref(glm::f16, 4)
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static_swizzle3_ref(glm::f32, 3)
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static_swizzle3_ref(glm::f32, 4)
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static_swizzle3_ref(glm::f64, 3)
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static_swizzle3_ref(glm::f64, 4)
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static_swizzle3_ref(glm::i8, 3)
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static_swizzle3_ref(glm::i8, 4)
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static_swizzle3_ref(glm::i16, 3)
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static_swizzle3_ref(glm::i16, 4)
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static_swizzle3_ref(glm::i32, 3)
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static_swizzle3_ref(glm::i32, 4)
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static_swizzle3_ref(glm::i64, 3)
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static_swizzle3_ref(glm::i64, 4)
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static_swizzle3_ref(glm::u8, 3)
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static_swizzle3_ref(glm::u8, 4)
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static_swizzle3_ref(glm::u16, 3)
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static_swizzle3_ref(glm::u16, 4)
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static_swizzle3_ref(glm::u32, 3)
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static_swizzle3_ref(glm::u32, 4)
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static_swizzle3_ref(glm::u64, 3)
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static_swizzle3_ref(glm::u64, 4)
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static_swizzle4_ref(glm::f16, 4)
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static_swizzle4_ref(glm::f32, 4)
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static_swizzle4_ref(glm::f64, 4)
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static_swizzle4_ref(glm::i8, 4)
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static_swizzle4_ref(glm::i16, 4)
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static_swizzle4_ref(glm::i32, 4)
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static_swizzle4_ref(glm::i64, 4)
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static_swizzle4_ref(glm::u8, 4)
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static_swizzle4_ref(glm::u16, 4)
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static_swizzle4_ref(glm::u32, 4)
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static_swizzle4_ref(glm::u64, 4)
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/// @}
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}//namespace glm
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#include "swizzle.inl"
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#endif//GLM_GTC_swizzle
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