memnodes.h

Lido PXA270平台开发板的最新BSP,包括源代码

/***************************************************************************
 * Name        : memnodes.h
 * Title       : MBX WinCE driver GPE class
 * Author(s)   : Imagination Technologies
 * Created	   : 6th January 2003
 *
 * Copyright   : 2003 by Imagination Technologies. All rights reserved.
 *             : No part of this software, either material or conceptual 
 *             : may be copied or distributed, transmitted, transcribed,
 *             : stored in a retrieval system or translated into any 
 *             : human or computer language in any form by any means,
 *             : electronic, mechanical, manual or other-wise, or 
 *             : disclosed to third parties without the express written
 *             : permission of Imagination Technologies Limited, Unit 8,
 *             : HomePark Industrial Estate, King's Langley, Hertfordshire,
 *             : WD4 8LZ, U.K.
 *
 * Description : MBX WinCE driver GPE class.
 *
 * Platform    : WinCE
 *
 * Modifications:-
 * $Log: memnodes.h $
 *
 *  --- Revision Logs Removed --- 
 *
 *  --- Revision Logs Removed --- 
 *
 ****************************************************************************/

#pragma once

#ifdef __cplusplus
extern "C"
{
#endif

class MBXSurf;

class MemNode
{
public:
	MemNode( ULONG ulBytes, PPVRSRV_DEV_DATA psDevData, ULONG ulAlignment, ULONG ulOptions );
	MemNode() {m_psDevData = NULL, m_psDevMemHandle = NULL; m_pbySysMemAddr = NULL; m_pclNext = NULL; m_pclPrev = NULL; m_pclSurf = NULL;}
	~MemNode();

	PVRSRV_DEV_DATA * m_psDevData;
	PVRSRV_MEM_INFO * m_psDevMemHandle;
	PBYTE		m_pbySysMemAddr;
	MBXSurf *	m_pclSurf;
	MemNode *	m_pclNext;
	MemNode *	m_pclPrev;
};


#define SAVE_BUFFER_SIZE	0x400000
class DevMemNode
{
private:
	MemNode		m_clDevMemHeap;
	MemNode		*m_pclCurrNode;
	PBYTE		m_pbySaveMemAddr;

public:
	DevMemNode ();
	~DevMemNode();

	void		AddToDevMemList      (MemNode *pclNode);
	MemNode *	FindInDevMemList     (LPVOID pvPtr);
//	MemNode *	UnlinkFromDevMemList (LPVOID pvPtr);
	BOOL		RestoreSystemMemtoSurf(void);
	BOOL		SaveSurfToSystemMem   (void);
	MBXSurf *	GetNextSurface(BOOL bFirst);

#ifdef DEBUG
	void		DumpDevMemList (void);
#endif
};


#ifdef __cplusplus
}
#endif


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