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traits: add structure_type trait for native types

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This commit is contained in:
Danny Robson 2017-09-01 12:33:08 +10:00
parent 4848692016
commit d88ecaf613
1 changed files with 26 additions and 1 deletions
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27
traits.hpp
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@ -12,7 +12,7 @@
* limitations under the License. * limitations under the License.
* *
* Copyright: * Copyright:
* 2016, Danny Robson <danny@nerdcruft.net> * 2016-2017, Danny Robson <danny@nerdcruft.net>
*/ */
#ifndef CRUFT_VK_TRAITS_HPP #ifndef CRUFT_VK_TRAITS_HPP
@ -21,7 +21,32 @@
#include "./fwd.hpp" #include "./fwd.hpp"
#include "./vk.hpp" #include "./vk.hpp"
#include <type_traits>
namespace cruft::vk { namespace cruft::vk {
/// describes the corresponding value for sType in native structures
template <typename T>
struct structure_type {};
//-------------------------------------------------------------------------
#define DEFINE_STRUCTURE_TYPE(KLASS,VALUE) \
template <> \
struct structure_type<KLASS> : \
public std::integral_constant<VkStructureType, VALUE> \
{ }
DEFINE_STRUCTURE_TYPE (VkInstanceCreateInfo, VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO);
#undef DEFINE_STRUCTURE_TYPE
//-------------------------------------------------------------------------
template <typename T>
constexpr auto structure_type_v = structure_type<T>::value;
/////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////
template <typename T> struct id_traits { }; template <typename T> struct id_traits { };