mirror of
https://github.com/0ldsk00l/nestopia.git
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98 lines
2 KiB
C++
98 lines
2 KiB
C++
////////////////////////////////////////////////////////////////////////////////////////
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//
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// Nestopia - NES/Famicom emulator written in C++
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//
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// Copyright (C) 2003-2008 Martin Freij
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//
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// This file is part of Nestopia.
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//
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// Nestopia is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// Nestopia is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Nestopia; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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////////////////////////////////////////////////////////////////////////////////////////
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#ifndef NST_DIRECTX_H
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#define NST_DIRECTX_H
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#pragma once
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#include "NstSystemGuid.hpp"
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namespace Nestopia
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{
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namespace DirectX
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{
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struct BaseAdapter
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{
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bool operator == (const BaseAdapter& a) const { return guid == a.guid; }
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bool operator < (const BaseAdapter& a) const { return guid < a.guid; }
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bool operator == (const System::Guid& g) const { return guid == g; }
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System::Guid guid;
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HeapString name;
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};
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template<typename T>
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class ComInterface : public ImplicitBool< ComInterface<T> >
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{
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T* com;
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public:
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ComInterface()
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: com(NULL) {}
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~ComInterface()
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{
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if (com)
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com->Release();
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}
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ulong Release()
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{
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if (T* const p = com)
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{
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com = NULL;
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return p->Release();
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}
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return 0;
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}
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bool operator ! () const
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{
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return com == NULL;
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}
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T* operator * () const
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{
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return com;
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}
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T* operator -> () const
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{
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NST_ASSERT( com );
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return com;
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}
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T** operator & ()
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{
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NST_VERIFY( !com );
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return &com;
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}
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};
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}
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}
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#endif
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