Leaked source code of windows server 2003
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101 lines
2.5 KiB

/*==========================================================================;
*
* Copyright (C) 1995 Microsoft Corporation. All Rights Reserved.
*
* File: deviunk.c
* Content: Direct3DDevice IUnknown
*@@BEGIN_MSINTERNAL
*
* $Id$
*
* History:
* Date By Reason
* ==== == ======
* 07/12/95 stevela Merged Colin's changes.
* 10/12/95 stevela Removed AGGREGATE_D3D.
*@@END_MSINTERNAL
*
***************************************************************************/
#include "pch.cpp"
#pragma hdrstop
/*
* D3DDev_QueryInterface
*/
#undef DPF_MODNAME
#define DPF_MODNAME "Direct3DDevice::QueryInterface"
HRESULT D3DAPI DIRECT3DDEVICEI::QueryInterface(REFIID riid, LPVOID* ppvObj)
{
CLockD3D lockObject(DPF_MODNAME, REMIND("")); // Takes D3D lock.
if (!VALID_OUTPTR(ppvObj)) {
D3D_ERR( "Invalid pointer to object pointer" );
return DDERR_INVALIDPARAMS;
}
D3D_INFO(3, "Direct3DDevice IUnknown QueryInterface");
*ppvObj = NULL;
if (IsEqualIID(riid, IID_IUnknown) || IsEqualIID(riid, IID_IDirect3DDevice7))
{
AddRef();
*ppvObj = static_cast<LPVOID>(this);
}
else
{
D3D_ERR("unknown interface");
return (E_NOINTERFACE);
}
return (D3D_OK);
} /* D3DDev_QueryInterface */
/*
* D3DDev_AddRef
*/
#undef DPF_MODNAME
#define DPF_MODNAME "Direct3DDevice::AddRef"
ULONG D3DAPI DIRECT3DDEVICEI::AddRef()
{
CLockD3D lockObject(DPF_MODNAME, REMIND("")); // Takes D3D lock.
// Release in the destructor
this->refCnt++;
D3D_INFO(3, "Direct3DDevice IUnknown AddRef: Reference count = %d", this->refCnt);
return (this->refCnt);
} /* D3DDev_AddRef */
/*
* D3DDev_Release
*/
#undef DPF_MODNAME
#define DPF_MODNAME "Direct3DDevice::Release"
ULONG D3DAPI DIRECT3DDEVICEI::Release()
{
CLockD3D lockObject(DPF_MODNAME, REMIND("")); // Takes D3D lock.
// Release in the destructor
/*
* decrement the ref count. if we hit 0, free the object
*/
this->refCnt--;
D3D_INFO(3, "Direct3DDevice IUnknown Release: Reference count = %d", this->refCnt);
if( this->refCnt == 0 )
{
delete this; // suicide
return 0;
}
return this->refCnt;
} /* D3DDev_Release */