slaveport.h

Lido PXA270平台开发板的最新BSP,包括源代码

/**************************************************************************
 * Name         : slaveport.h
 * Author       : BCB
 * Created      : 23/05/2003
 *
 * Copyright    : 2003 by Imagination 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.
 *
 * Platform     : ANSI
 *
 * $Date: 2004/10/26 09:08:25 $ $Revision: 1.16.1.3 $
 * $Log: slaveport.h $
 **************************************************************************/

#ifndef _SLAVEPORT_
#define _SLAVEPORT_


static INLINE IMG_VOID WriteToSlavePort(GLESContext *gc, IMG_VOID *pvData, IMG_UINT32 ui32Size)
{																				
#if defined(PDUMP) || defined(OLDPDUMP)
	IMG_UINT32 ui32Count, ui32TempVal;														
	IMG_UINT32 *pui32Data = (IMG_UINT32 *)pvData;
#endif
	IMG_UINT32 ui32AmountToWrite, ui32TotalBytes;
	IMG_VOID *pvDataToWrite = pvData;
	
	GLES_TIME_START(GLES_TIMER_TOTAL_SLAVEPORT_COPY_TIME);

	ui32TotalBytes = ui32Size << 2;

	while(ui32TotalBytes)
	{

		if(gc->sHWContext.ui32FifoSpace == 0)
		{
			GLES_TIME_START(GLES_TIMES_ACQUIRE_SLAVEPORT);

			if(PVRSRVAcquire3DFifoSpace(gc->sHWContext.ps3DDevData->psDevInfoUM, 
										gc->sHWContext.psHWInfo,
										&gc->sHWContext.ui32FifoSpace) != PVRSRV_OK)
			{
				DPF((DBG_FATAL,"Cannot acquire fifo space"));
				GLES_TIME_STOP(GLES_TIMER_TOTAL_SLAVEPORT_COPY_TIME);
				return;
			}

			GLES_TIME_STOP(GLES_TIMES_ACQUIRE_SLAVEPORT);	
		}
		
		if(gc->sHWContext.ui32FifoSpace > ui32TotalBytes)
		{
			ui32AmountToWrite = ui32TotalBytes;
		}
		else
		{
			ui32AmountToWrite = gc->sHWContext.ui32FifoSpace;
		}
	
		PVRSRVWriteSlavePortBatch (	&gc->sHWContext.psHWInfo->sDeviceSpecific.sMBX.sTASlavePort,
									pvDataToWrite,
									ui32AmountToWrite);
		PVRSRVRelease3DFifoSpace (gc->sHWContext.ps3DDevData->psDevInfoUM, ui32AmountToWrite);

		ui32TotalBytes -= ui32AmountToWrite;
		gc->sHWContext.ui32FifoSpace -= ui32AmountToWrite;
		pvDataToWrite = (IMG_UINT8 *)pvDataToWrite + ui32AmountToWrite;
	}

#if defined(PDUMP)
	for(ui32Count=0; ui32Count < ui32Size; ui32Count++) 
	{														
		ui32TempVal = pui32Data[ui32Count];															
		PDUMPSP(gc->psPDContext, PDUMPTAGS_SP_MBX_DATA, ui32TempVal);
	}
#endif /* defined(PDUMP) */

#if defined(OLDPDUMP)
	for(ui32Count=0; ui32Count < ui32Size; ui32Count++) 
	{														
		ui32TempVal = pui32Data[ui32Count];															
		PDUMP_WRITESLAVEPORT(gc, ui32TempVal);
	}
#endif /* defined(PDUMP) */


	GLES_TIME_STOP(GLES_TIMER_TOTAL_SLAVEPORT_COPY_TIME);
	GLES_INC_COUNT(GLES_TIMER_TOTAL_SLAVEPORT_COPY_COUNT, ui32Size << 2);
}

#ifndef USE_TERMINATE_WORD
static INLINE IMG_VOID WriteToSlavePortTerminate(GLESContext *gc, IMG_UINT32 ui32Data)
{																				
	GLES_TIME_START(GLES_TIMER_TOTAL_SLAVEPORT_COPY_TIME);
	
	while(gc->sHWContext.ui32FifoSpace == 0)
	{
		GLES_TIME_START(GLES_TIMES_ACQUIRE_SLAVEPORT);

		if(PVRSRVAcquire3DFifoSpace(gc->sHWContext.ps3DDevData->psDevInfoUM, 
									gc->sHWContext.psHWInfo,
									&gc->sHWContext.ui32FifoSpace) != PVRSRV_OK)
		{
			DPF((DBG_FATAL,"Cannot acquire fifo space"));
			GLES_TIME_STOP(GLES_TIMER_TOTAL_SLAVEPORT_COPY_TIME);
			return;
		}

		GLES_TIME_STOP(GLES_TIMES_ACQUIRE_SLAVEPORT);	
	}
	PDUMPSP(gc->psPDContext, PDUMPTAGS_SP_MBX_TERM, ui32Data);

#if defined(OLDPDUMP)
	PDUMP_WRITETERMINATEPORT(gc, ui32Data);
#endif /* defined(PDUMP) */

	PVRSRVWriteSlavePort(&gc->sHWContext.psHWInfo->sDeviceSpecific.sMBX.sTAControlSlavePort,
							ui32Data);
	PVRSRVRelease3DFifoSpace (gc->sHWContext.ps3DDevData->psDevInfoUM, 4);

	gc->sHWContext.ui32FifoSpace -= 4;

	GLES_TIME_STOP(GLES_TIMER_TOTAL_SLAVEPORT_COPY_TIME);
	GLES_INC_COUNT(GLES_TIMER_TOTAL_SLAVEPORT_COPY_COUNT, 4);
}
#endif

#if (defined (SUPPORT_VGP) || defined(SUPPORT_VGP_LITE)) && !defined(PASSTHROUGH_BUILD)
IMG_VOID OutputVertex(GLESContext *gc, IMG_VOID *pvInput, IMG_UINT32 ui32Count);
#else
#if !defined(USE_FIXED_POINT_VERTICES)
extern IMG_VOID (*apfnOutputVertexProcs[8])(GLESContext *gc, GLESvertex *psVertex, IMG_UINT32 ui32Count);
#endif
#endif

IMG_VOID OutputVerticesSpecialObject(GLESContext *gc, IMG_FLOAT *pfVert, 
									 IMG_UINT32 ui32NumVerts, IMG_UINT32 ui32VertexSize);

IMG_VOID StartTriangleList(GLESContext *gc);
IMG_VOID StartTriangleStrip(GLESContext *gc);
IMG_VOID StartTriangleFan(GLESContext *gc);
IMG_VOID StartLineStrip(GLESContext *gc);
IMG_VOID StartPointList(GLESContext *gc);

IMG_VOID EndPrimitiveBlock(GLESContext *gc);
IMG_VOID EndPrimitive(GLESContext *gc);
IMG_VOID EmitState(GLESContext *gc, IMG_UINT32 *pui32State, IMG_UINT32 ui32NumWords);

#endif /* _SLAVEPORT_ */