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Support padding in instance attributes

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This commit is contained in:
Nikita Lisitsa 2023-07-29 18:35:29 +03:00
parent 644c9ca5b6
commit 564a0001a2
1 changed files with 15 additions and 1 deletions
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16
libs/gfx/include/psemek/gfx/attribs.hpp
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@ -85,6 +85,13 @@ namespace psemek::gfx
using type = T; using type = T;
}; };
template <std::size_t N>
struct instanced<padding<N>>
{
using type = padding<N>;
static constexpr std::size_t size = N;
};
template <typename ... Attribs> template <typename ... Attribs>
attribs_description make_attribs_description(); attribs_description make_attribs_description();
@ -275,6 +282,10 @@ namespace psemek::gfx
struct is_padding<padding<N>> : std::true_type struct is_padding<padding<N>> : std::true_type
{}; {};
template <std::size_t N>
struct is_padding<instanced<padding<N>>> : std::true_type
{};
template <typename T> template <typename T>
struct is_instanced : std::false_type struct is_instanced : std::false_type
{}; {};
@ -359,7 +370,10 @@ namespace psemek::gfx
} }
else if constexpr (is_padding<Attr1>::value) else if constexpr (is_padding<Attr1>::value)
{ {
make_attribs_description_impl<Instance, Attribs...>::make_impl(result, index, Instance ? offset : offset + Attr1::size); if constexpr (is_instanced<Attr1>::value == Instance)
make_attribs_description_impl<Instance, Attribs...>::make_impl(result, index, offset + Attr1::size);
else
make_attribs_description_impl<Instance, Attribs...>::make_impl(result, index, offset);
} }
else if constexpr (is_instanced<Attr1>::value == Instance) else if constexpr (is_instanced<Attr1>::value == Instance)
{ {