overlay.h

Lido PXA270平台开发板的最新BSP,包括源代码

/*****************************************************************************
 Name			: OVERLAY.H
 
 Title			: Direct Draw surface Overlay callback prototypes	
 
 C Author 		: Kevan Ahmadi
 
 Created  		: 13/01/03
 
 Copyright      : 2003 by Imaginationc Technologies Limited. 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 	: DDRAW Overlay callbacks
                  This source file is a modified version of overlay.h, originally 
                  located in: embedded\wince\directx\dxcommon
   
 Program Type	: 32-bit DLL

 Version	 	: $Revision: 1.4 $

 Modifications	:

 $Log: overlay.h $

*****************************************************************************/
#ifndef _OVERLAY_H_
#define _OVERLAY_H_

#include <ddrawi.h>

#define DISP_NUM_ROT_SURFACES		(4)
#define ALLOCATION_ALIGNMENT	(4096)
#define	DISP_QUEUE_SIZE		(1024)

/* NOTE: this struct is based on VDISP_STATE in PVRVADD interface. */
typedef struct _DISP_STATE_
{
	IMG_BOOL					bHardwareInUse;
	IMG_HANDLE					hServices;
	PVRSRV_DEV_DATA				sDevData;

	IMG_UINT32					ui32DisplayRotation;
	IMG_UINT32					ui32SourceRotation;
	IMG_UINT32					ui32NextRotatedBuffer;
	IMG_BOOL					bRotatedBuffersAllocated;
	PVRSRV_SYNC_INFO			*psLastSyncObject;
	IMG_BOOL					bFirstSyncIncremented;

	/* rotated display buffers */
	PVRSRV_MEM_INFO 			*apsDisplaySurfaces[DISP_NUM_ROT_SURFACES];

	/* blit queue */
	PVRSRV_QUEUE_INFO 			*psBlitQueueInfo;

	HDC							hdcDriver;

} DISP_STATE;

IMG_VOID RotateOverlay(PSURFDATA psSurfData, PDP_DEINTERLACE eDeinterlace, PDP_OVERLAY* psOverlay);
IMG_UINT32 DisplayStateDeinit();

DWORD __stdcall HALUpdateOverlay(LPDDHAL_UPDATEOVERLAYDATA psData);
DWORD __stdcall HALSetOverlayPosition(LPDDHAL_SETOVERLAYPOSITIONDATA psData);

#endif _OVERLAY_H_
/*****************************************************************************
 End of file (OVERLAY.H)
*****************************************************************************/