mirror of https://github.com/axmolengine/axmol.git
75 lines
1.3 KiB
C++
75 lines
1.3 KiB
C++
#pragma once
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#if defined(_WIN32)
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# include <Unknwn.h>
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# include <wrl/client.h>
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namespace MFUtils
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{
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template <typename _Ty>
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using TComPtr = Microsoft::WRL::ComPtr<_Ty>;
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template <typename _Ty>
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inline TComPtr<_Ty> MakeComPtr()
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{
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TComPtr<_Ty> obj;
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_Ty** ppv = &obj;
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*ppv = new _Ty();
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return obj;
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}
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template <typename _Ty, typename... _Types>
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inline TComPtr<_Ty> MakeComPtr(_Types&&... args)
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{
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TComPtr<_Ty> obj;
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_Ty** ppv = &obj;
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*ppv = new _Ty(std::forward<_Types>(args)...);
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return obj;
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}
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template <typename _Ty>
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inline TComPtr<_Ty> ReferencedPtrToComPtr(_Ty* ptr)
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{
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TComPtr<_Ty> obj;
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_Ty** ppv = &obj;
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*ppv = ptr;
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return obj;
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}
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HRESULT InitializeMFOnce();
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} // namespace MFUtils
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namespace DX
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{
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// Helper class for COM exceptions
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class com_exception : public std::exception
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{
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public:
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com_exception(HRESULT hr) noexcept : result(hr) {}
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const char* what() const override
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{
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static char s_str[64] = {};
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sprintf_s(s_str, "Failure with HRESULT of %08X", static_cast<unsigned int>(result));
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return s_str;
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}
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private:
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HRESULT result;
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};
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// Helper utility converts D3D API failures into exceptions.
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inline void ThrowIfFailed(HRESULT hr)
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{
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if (FAILED(hr))
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{
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throw com_exception(hr);
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}
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}
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} // namespace DX
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#endif
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