boo/lib/mac/CocoaCommon.hpp

81 lines
1.6 KiB
C++

#ifndef BOO_COCOACOMMON_HPP
#define BOO_COCOACOMMON_HPP
#if __APPLE__
#if !__has_feature(objc_arc)
#error ARC Required
#endif
#include <Availability.h>
#include <utility>
template <class T>
class NSPtr
{
void* m_ptr = nullptr;
public:
NSPtr() = default;
~NSPtr()
{
T ptr = (__bridge_transfer T)m_ptr;
(void)ptr;
}
NSPtr(T&& recv) {*this = std::move(recv);}
NSPtr& operator=(T&& recv)
{
T old = (__bridge_transfer T)m_ptr;
(void)old;
m_ptr = (__bridge_retained void*)recv;
return *this;
}
NSPtr(const NSPtr& other) = delete;
NSPtr(NSPtr&& other) = default;
NSPtr& operator=(const NSPtr& other) = delete;
NSPtr& operator=(NSPtr&& other) = default;
operator bool() const {return m_ptr != 0;}
T get() const {return (__bridge T)m_ptr;}
void reset()
{
T old = (__bridge_transfer T)m_ptr;
(void)old;
m_ptr = nullptr;
}
};
#if __MAC_OS_X_VERSION_MAX_ALLOWED >= 101100
#define BOO_HAS_METAL 1
#include <Metal/Metal.h>
#include <QuartzCore/CAMetalLayer.h>
#include <unordered_map>
#include <mutex>
namespace boo
{
class IWindow;
struct MetalContext
{
NSPtr<id<MTLDevice>> m_dev;
NSPtr<id<MTLCommandQueue>> m_q;
struct Window
{
CAMetalLayer* m_metalLayer = nullptr;
std::mutex m_resizeLock;
bool m_needsResize;
CGSize m_size;
};
std::unordered_map<IWindow*, Window> m_windows;
};
}
#else
#define BOO_HAS_METAL 0
namespace boo
{
struct MetalContext {};
}
#endif
#endif // __APPLE__
#endif // BOO_COCOACOMMON_HPP