windows-nt/Source/XPSP1/NT/multimedia/directx/dxg/ref8/drv/refprov.hpp
2020-09-26 16:20:57 +08:00

76 lines
2.2 KiB
C++

//----------------------------------------------------------------------------
//
// refprov.hpp
//
// Base software HAL provider class.
//
// Copyright (C) Microsoft Corporation, 1997.
//
//----------------------------------------------------------------------------
#ifndef _REFPROV_HPP_
#define _REFPROV_HPP_
//----------------------------------------------------------------------------
//
// RefHalProvider
//
// Implements the base HAL provider for the software rasterizers.
//
//----------------------------------------------------------------------------
class RefHalProvider : public IHalProvider
{
public:
// IUnknown.
STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID* ppvObj);
STDMETHOD_(ULONG, AddRef)(THIS);
STDMETHOD_(ULONG, Release)(THIS);
};
//----------------------------------------------------------------------------
//
// RefRastHalProvider
//
// Specific provider for the reference rasterizer.
//
//----------------------------------------------------------------------------
class RefRastHalProvider : public RefHalProvider
{
public:
STDMETHOD(GetInterface)(THIS_
LPDDRAWI_DIRECTDRAW_GBL pDdGbl,
LPD3DHALPROVIDER_INTERFACEDATA pInterfaceData,
DWORD dwVersion);
STDMETHOD(GetCaps)(THIS_
LPDDRAWI_DIRECTDRAW_GBL pDdGbl,
LPD3DDEVICEDESC7 pHwDesc,
LPD3DDEVICEDESC7 pHelDesc,
DWORD dwVersion);
};
//----------------------------------------------------------------------------
//
// NullDeviceHalProvider
//
// Specific provider for the null device.
//
//----------------------------------------------------------------------------
class NullDeviceHalProvider : public RefHalProvider
{
public:
STDMETHOD(GetInterface)(THIS_
LPDDRAWI_DIRECTDRAW_GBL pDdGbl,
LPD3DHALPROVIDER_INTERFACEDATA pInterfaceData,
DWORD dwVersion);
STDMETHOD(GetCaps)(THIS_
LPDDRAWI_DIRECTDRAW_GBL pDdGbl,
LPD3DDEVICEDESC7 pHwDesc,
LPD3DDEVICEDESC7 pHelDesc,
DWORD dwVersion);
};
#endif // #ifndef _REFPROV_HPP_