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157 lines
3.7 KiB
157 lines
3.7 KiB
/*==========================================================================;
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*
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* Copyright (C) 1995 Microsoft Corporation. All Rights Reserved.
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*
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* File: bufiunk.c
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* Content: Direct3DExecuteBuffer IUnknown implementation
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*@@BEGIN_MSINTERNAL
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*
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* History:
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* Date By Reason
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* ==== == ======
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* 10/12/95 stevela Initial rev with this header.
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*@@END_MSINTERNAL
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*
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***************************************************************************/
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#include "pch.cpp"
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#pragma hdrstop
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/*
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* D3DBuf_QueryInterface
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*/
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#undef DPF_MODNAME
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#define DPF_MODNAME "Direct3DExecuteBuffer::QueryInterface"
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HRESULT D3DAPI DIRECT3DEXECUTEBUFFERI::QueryInterface(REFIID riid, LPVOID* ppvObj)
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{
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/*
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* validate parms
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*/
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TRY
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{
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if (!VALID_DIRECT3DEXECUTEBUFFER_PTR(this)) {
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D3D_ERR( "Invalid Direct3DExecuteBuffer pointer" );
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return DDERR_INVALIDOBJECT;
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}
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if (!VALID_OUTPTR(ppvObj)) {
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D3D_ERR( "Invalid object pointer" );
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return DDERR_INVALIDPARAMS;
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}
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}
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EXCEPT( EXCEPTION_EXECUTE_HANDLER )
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{
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D3D_ERR( "Exception encountered validating parameters" );
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return DDERR_INVALIDPARAMS;
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}
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*ppvObj = NULL;
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if( IsEqualIID(riid, IID_IUnknown) ||
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IsEqualIID(riid, IID_IDirect3DExecuteBuffer) )
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{
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AddRef();
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*ppvObj = static_cast<LPVOID>(static_cast<LPUNKNOWN>(this));
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return (D3D_OK);
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}
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return (E_NOINTERFACE);
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} /* D3DBuf_QueryInterface */
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/*
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* D3DBuf_AddRef
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*/
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#undef DPF_MODNAME
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#define DPF_MODNAME "Direct3DExecuteBuffer::AddRef"
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ULONG D3DAPI DIRECT3DEXECUTEBUFFERI::AddRef()
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{
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DWORD rcnt;
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CLockD3D lockObject(DPF_MODNAME, REMIND("")); // Takes D3D lock.
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// Release in the destructor
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/*
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* validate parms
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*/
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TRY
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{
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if (!VALID_DIRECT3DEXECUTEBUFFER_PTR(this)) {
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D3D_ERR( "Invalid Direct3DExecuteBuffer pointer" );
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return 0;
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}
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}
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EXCEPT( EXCEPTION_EXECUTE_HANDLER )
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{
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D3D_ERR( "Exception encountered validating parameters" );
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return 0;
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}
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this->refCnt++;
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rcnt = this->refCnt;
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return (rcnt);
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} /* D3DBuf_AddRef */
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/*
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* D3DBuf_Release
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*
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*/
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#undef DPF_MODNAME
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#define DPF_MODNAME "Direct3DExecuteBuffer::Release"
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ULONG D3DAPI DIRECT3DEXECUTEBUFFERI::Release()
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{
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DWORD lastrefcnt;
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CLockD3D lockObject(DPF_MODNAME, REMIND("")); // Takes D3D lock.
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// Release in the destructor
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/*
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* validate parms
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*/
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TRY
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{
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if (!VALID_DIRECT3DEXECUTEBUFFER_PTR(this)) {
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D3D_ERR( "Invalid Direct3DExecuteBuffer pointer" );
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return 0;
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}
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}
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EXCEPT( EXCEPTION_EXECUTE_HANDLER )
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{
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D3D_ERR( "Exception encountered validating parameters" );
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return 0;
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}
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/*
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* decrement the ref count. if we hit 0, free the object
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*/
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this->refCnt--;
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lastrefcnt = this->refCnt;
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if( lastrefcnt == 0 )
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{
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delete this;
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return 0;
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}
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return lastrefcnt;
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} /* D3DBuf_Release */
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DIRECT3DEXECUTEBUFFERI::~DIRECT3DEXECUTEBUFFERI()
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{
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if (this->locked)
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Unlock();
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/* remove us from the Direct3DDevice object list of execute buffers */
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LIST_DELETE(this, list);
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if (this->hBuf)
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{
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D3DHAL_DeallocateBuffer(this->lpDevI, this->hBuf);
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}
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}
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