mewin/vulkan-hpp
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Introduce helper class vk::StridedArrayProxy; use it on functions with parameters having the 'stride' attribute.

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This commit is contained in:
asuessenbach
2022-09-12 16:53:44 +02:00
parent 833e6f576d
commit 34725b3192
13 changed files with 2093 additions and 1693 deletions
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55
snippets/ArrayProxy.hpp
View File

@@ -12,36 +12,18 @@
, m_ptr( nullptr )
{}
ArrayProxy( T & value ) VULKAN_HPP_NOEXCEPT
ArrayProxy( T const & value ) VULKAN_HPP_NOEXCEPT
: m_count( 1 )
, m_ptr( &value )
{}
template <typename B = T, typename std::enable_if<std::is_const<B>::value, int>::type = 0>
ArrayProxy( typename std::remove_const<T>::type & value ) VULKAN_HPP_NOEXCEPT
: m_count( 1 )
, m_ptr( &value )
{}
ArrayProxy( uint32_t count, T * ptr ) VULKAN_HPP_NOEXCEPT
: m_count( count )
, m_ptr( ptr )
{}
template <typename B = T, typename std::enable_if<std::is_const<B>::value, int>::type = 0>
ArrayProxy( uint32_t count, typename std::remove_const<T>::type * ptr ) VULKAN_HPP_NOEXCEPT
ArrayProxy( uint32_t count, T const * ptr ) VULKAN_HPP_NOEXCEPT
: m_count( count )
, m_ptr( ptr )
{}
template <std::size_t C>
ArrayProxy( T (& ptr)[C] ) VULKAN_HPP_NOEXCEPT
: m_count( C )
, m_ptr( ptr )
{}
template <std::size_t C, typename B = T, typename std::enable_if<std::is_const<B>::value, int>::type = 0>
ArrayProxy( typename std::remove_const<T>::type (& ptr)[C] ) VULKAN_HPP_NOEXCEPT
ArrayProxy( T const ( &ptr )[C] ) VULKAN_HPP_NOEXCEPT
: m_count( C )
, m_ptr( ptr )
{}
@@ -60,20 +42,10 @@
ArrayProxy( std::initializer_list<typename std::remove_const<T>::type> const & list ) VULKAN_HPP_NOEXCEPT
: m_count( static_cast<uint32_t>( list.size() ) )
, m_ptr( list.begin() )
{}
{
}
ArrayProxy( std::initializer_list<T> & list ) VULKAN_HPP_NOEXCEPT
: m_count( static_cast<uint32_t>( list.size() ) )
, m_ptr( list.begin() )
{}
template <typename B = T, typename std::enable_if<std::is_const<B>::value, int>::type = 0>
ArrayProxy( std::initializer_list<typename std::remove_const<T>::type> & list ) VULKAN_HPP_NOEXCEPT
: m_count( static_cast<uint32_t>( list.size() ) )
, m_ptr( list.begin() )
{}
# if __GNUC__ >= 9
#if __GNUC__ >= 9
# pragma GCC diagnostic pop
# endif
@@ -88,15 +60,6 @@
, m_ptr( v.data() )
{}
template <typename V,
typename std::enable_if<
std::is_convertible<decltype( std::declval<V>().data() ), T *>::value &&
std::is_convertible<decltype( std::declval<V>().size() ), std::size_t>::value>::type * = nullptr>
ArrayProxy( V & v ) VULKAN_HPP_NOEXCEPT
: m_count( static_cast<uint32_t>( v.size() ) )
, m_ptr( v.data() )
{}
const T * begin() const VULKAN_HPP_NOEXCEPT
{
return m_ptr;
@@ -129,12 +92,12 @@
return m_count;
}
T * data() const VULKAN_HPP_NOEXCEPT
T const * data() const VULKAN_HPP_NOEXCEPT
{
return m_ptr;
}
private:
uint32_t m_count;
T * m_ptr;
uint32_t m_count;
T const * m_ptr;
};

40
snippets/StridedArrayProxy.hpp Normal file
View File

@@ -0,0 +1,40 @@
template <typename T>
class StridedArrayProxy : protected ArrayProxy<T>
{
public:
using ArrayProxy<T>::ArrayProxy;
StridedArrayProxy( uint32_t count, T const * ptr, uint32_t stride ) VULKAN_HPP_NOEXCEPT
: ArrayProxy<T>( count, ptr )
, m_stride( stride )
{
VULKAN_HPP_ASSERT( sizeof( T ) <= stride );
}
using ArrayProxy<T>::begin;
const T * end() const VULKAN_HPP_NOEXCEPT
{
return reinterpret_cast<T const *>( static_cast<uint8_t const *>( begin() ) + size() * m_stride );
}
using ArrayProxy<T>::front;
const T & back() const VULKAN_HPP_NOEXCEPT
{
VULKAN_HPP_ASSERT( begin() && size() );
return *reinterpret_cast<T const *>( static_cast<uint8_t const *>( begin() ) + ( size() - 1 ) * m_stride );
}
using ArrayProxy<T>::empty;
using ArrayProxy<T>::size;
using ArrayProxy<T>::data;
uint32_t stride() const
{
return m_stride;
}
private:
uint32_t m_stride = sizeof( T );
};