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- //Copyright (c) 2008-2016 Emil Dotchevski and Reverge Studios, Inc.
- //Copyright (c) 2018 agate-pris
- //Distributed under the Boost Software License, Version 1.0. (See accompanying
- //file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
- #ifndef BOOST_QVM_DETAIL_VEC_REGISTER_IMPL_HPP
- #define BOOST_QVM_DETAIL_VEC_REGISTER_IMPL_HPP
- #include <boost/qvm/assert.hpp>
- #include <boost/qvm/inline.hpp>
- #include <boost/qvm/static_assert.hpp>
- #include <boost/qvm/vec_traits.hpp>
- namespace boost { namespace qvm { namespace qvm_detail {
- template<class VecType, class ScalarType, int Dim>
- struct vec_register_common
- {
- typedef VecType vec_type;
- typedef ScalarType scalar_type;
- static int const dim = Dim;
- };
- template<class VecType, class ScalarType, int Dim>
- struct vec_register_read
- {
- template<int I> static ScalarType read_element(VecType const& v);
- template<int I, int N> struct read_element_idx_detail
- {
- static BOOST_QVM_INLINE_CRITICAL ScalarType impl(int const i, VecType const& v)
- {
- return I == i
- ? read_element<I>(v)
- : read_element_idx_detail<I + 1, N>::impl(i, v);
- }
- };
- template<int N> struct read_element_idx_detail<N, N>
- {
- static BOOST_QVM_INLINE_TRIVIAL ScalarType impl(int, VecType const& v)
- {
- BOOST_QVM_ASSERT(0);
- return read_element<0>(v);
- }
- };
- static BOOST_QVM_INLINE_CRITICAL ScalarType read_element_idx(int const i, VecType const& v)
- {
- return read_element_idx_detail<0, Dim>::impl(i, v);
- }
- };
- template<class VecType, class ScalarType, int Dim>
- struct vec_register_write
- {
- template<int I> static ScalarType& write_element(VecType& v);
- template<int I, int N> struct write_element_idx_detail
- {
- static BOOST_QVM_INLINE_CRITICAL ScalarType& impl(int const i, VecType& v)
- {
- return I == i
- ? write_element<I>(v)
- : write_element_idx_detail<I + 1, N>::impl(i, v);
- }
- };
- template<int N> struct write_element_idx_detail<N, N>
- {
- static BOOST_QVM_INLINE_TRIVIAL ScalarType& impl(int, VecType& v)
- {
- BOOST_QVM_ASSERT(0);
- return write_element<0>(v);
- }
- };
- static BOOST_QVM_INLINE_CRITICAL ScalarType& write_element_idx(int const i, VecType& v)
- {
- return write_element_idx_detail<0, Dim>::impl(i, v);
- }
- };
- }}}
- #define BOOST_QVM_DETAIL_SPECIALIZE_QVM_DETAIL_VEC_REGISTER_READ(VecType, ScalarType, Dim, I, Read) \
- namespace boost { namespace qvm {namespace qvm_detail{ \
- template<> \
- template<> \
- BOOST_QVM_INLINE_CRITICAL \
- ScalarType vec_register_read<VecType, ScalarType, Dim>::read_element<I>(VecType const& v) \
- { \
- BOOST_QVM_STATIC_ASSERT(I>=0); \
- BOOST_QVM_STATIC_ASSERT(I<Dim); \
- return v. Read; \
- } \
- }}}
- #define BOOST_QVM_DETAIL_SPECIALIZE_QVM_DETAIL_VEC_REGISTER_WRITE(VecType, ScalarType, Dim, I, Write) \
- namespace boost { namespace qvm {namespace qvm_detail{ \
- template<> \
- template<> \
- BOOST_QVM_INLINE_CRITICAL \
- ScalarType& vec_register_write<VecType, ScalarType, Dim>::write_element<I>(VecType& v) \
- { \
- BOOST_QVM_STATIC_ASSERT(I>=0); \
- BOOST_QVM_STATIC_ASSERT(I<Dim); \
- return v. Write; \
- }; \
- }}}
- #define BOOST_QVM_DETAIL_SPECIALIZE_QVM_DETAIL_VEC_REGISTER_READ_WRITE(VecType, ScalarType, Dim, I, Read, Write)\
- BOOST_QVM_DETAIL_SPECIALIZE_QVM_DETAIL_VEC_REGISTER_READ(VecType, ScalarType, Dim, I, Read) \
- BOOST_QVM_DETAIL_SPECIALIZE_QVM_DETAIL_VEC_REGISTER_WRITE(VecType, ScalarType, Dim, I, Write)
- #define BOOST_QVM_DETAIL_REGISTER_VEC_SPECIALIZE_VEC_TRAITS_READ(VecType, ScalarType, Dim) \
- namespace boost { namespace qvm { \
- template<> \
- struct vec_traits<VecType> \
- : qvm_detail::vec_register_common<VecType, ScalarType, Dim> \
- , qvm_detail::vec_register_read<VecType, ScalarType, Dim> \
- { \
- }; \
- }}
- #define BOOST_QVM_DETAIL_REGISTER_VEC_SPECIALIZE_VEC_TRAITS_READ_WRITE(VecType, ScalarType, Dim)\
- namespace boost { namespace qvm { \
- template<> \
- struct vec_traits<VecType> \
- : qvm_detail::vec_register_common<VecType, ScalarType, Dim> \
- , qvm_detail::vec_register_read<VecType, ScalarType, Dim> \
- , qvm_detail::vec_register_write<VecType, ScalarType, Dim> \
- { \
- }; \
- }}
- #endif
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