SDL3pp_metal.h

#ifndef SDL3PP_METAL_H_
#define SDL3PP_METAL_H_
 
#include <SDL3/SDL_metal.h>
#include "SDL3pp_video.h"
 
namespace SDL {

 
// Forward decl
struct MetalViewBase;
 
// Forward decl
struct MetalView;

using MetalViewRaw = SDL_MetalView;

using MetalViewRef = ResourceRefT<MetalViewBase>;

struct MetalViewBase : ResourceBaseT<MetalViewRaw>
{
  using ResourceBaseT::ResourceBaseT;

  void Destroy();

  void* GetLayer();
};

struct MetalView : MetalViewBase
{
  using MetalViewBase::MetalViewBase;

  constexpr explicit MetalView(MetalViewRaw resource) noexcept
    : MetalViewBase(resource)
  {
  }

  constexpr MetalView(MetalView&& other) noexcept
    : MetalView(other.release())
  {
  }

  MetalView(WindowRef window);

  ~MetalView() { SDL_Metal_DestroyView(get()); }

  constexpr MetalView& operator=(MetalView&& other) noexcept
  {
    swap(*this, other);
    return *this;
  }
};

inline MetalView Metal_CreateView(WindowRef window)
{
  return MetalView(window);
}
 
inline MetalView::MetalView(WindowRef window)
  : MetalView(SDL_Metal_CreateView(window))
{
}

inline void Metal_DestroyView(MetalViewRaw view)
{
  SDL_Metal_DestroyView(view);
}
 
inline void MetalViewBase::Destroy() { Metal_DestroyView(release()); }

inline void* Metal_GetLayer(MetalViewRef view)
{
  return SDL_Metal_GetLayer(view);
}
 
inline void* MetalViewBase::GetLayer() { return SDL::Metal_GetLayer(get()); }

 
} // namespace SDL
 
#endif /* SDL3PP_METAL_H_ */