d3dminit.c

Lido PXA270平台开发板的最新BSP,包括源代码

/******************************************************************************
<module>
* Name         : D3DM_Init.c
* Title        : D3DM Callbacks
* Author(s)    : Imagination Technologies
* Created      : 2 March 2004
*
* Copyright    : 2004 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.
*
* Description  : Entry Points for D3DMobile initialisation and info functions.
*
* Platform     : Windows CE
*
</module>
********************************************************************************/

#include "context.h"

/* ---------------------------------------------------------------------------
	External Callback Prototypes
------------------------------------------------------------------------------*/
DWORD PVRD3DM_CreateContext(D3DM_CREATECONTEXT_DATA *pccd);
DWORD PVRD3DM_DestroyContext(D3DM_DESTROYCONTEXT_DATA *pdcd);
DWORD PVRD3DM_CreateSurface(D3DM_CREATESURFACE_DATA *pcsd);
DWORD PVRD3DM_DestroySurface(D3DM_DESTROYSURFACE_DATA *pdsd);
DWORD PVRD3DM_LockSurface(D3DM_LOCKSURFACE_DATA *plsd);
DWORD PVRD3DM_UnlockSurface(D3DM_UNLOCKSURFACE_DATA *pusd);
DWORD PVRD3DM_DrawPrimitive(D3DM_DRAWPRIMITIVE_DATA *pdpd);
DWORD PVRD3DM_ResourceManager(D3DM_RESOURCEMANAGER_DATA *prmd);

/*----------------------------------------------------------------------------
<function>
	FUNCTION:   PVRD3DM_GetAdapterInfo

	PURPOSE:    

	PARAMETERS:	In:  
	RETURNS:	D3DM_DRIVER_HANDLED || D3DM_DRIVER_NOTHANDLED
</function>
------------------------------------------------------------------------------*/

DWORD PVRD3DM_GetAdapterInfo(D3DM_GETADAPTERINFO_DATA *pgai)
{
	D3DMADAPTER_IDENTIFIER* pID = pgai->pIdentifier;
	DWORD					i	= 0;

	PROFILE_START_FUNC(PVRD3DM_GET_ADAPTER_INFO);

	pgai->rval = D3DM_OK;

	if(pID != NULL)
	{
		IMG_UINT32 ui32MBXIDData;

		/* Set up adapter identifier */
		_tcscpy(pID->Driver, TEXT("PowerVR D3DMobile HAL"));
		_tcscpy(pID->Description, TEXT("PowerVR D3DMobile HAL"));

#ifdef PROD_VERSION

		pID->DriverVersion.HighPart = MAKELONG(PVER_LIB_MA, PVER_LIB_MAX);
		pID->DriverVersion.LowPart  = MAKELONG(PVER_LIB_MIN, PVER_LIB_MI);

#else

		pID->DriverVersion.HighPart = MAKELONG(FVER_LIB_MA, FVER_LIB_MAX);
		pID->DriverVersion.LowPart  = MAKELONG(FVER_LIB_MIN, FVER_LIB_MI);

#endif

		ui32MBXIDData = GetMBXVersionInfo();
		pID->VendorId = (ui32MBXIDData & MBX1_COMPANYID_MASK) >> MBX1_COMPANYID_SHIFT;
		pID->DeviceId = (ui32MBXIDData & MBX1_VERSION_MAJOR_MASK) >> MBX1_VERSION_MAJOR_SHIFT;
		pID->SubSysId = (ui32MBXIDData & MBX1_VERSION_MINOR_MASK) >> MBX1_VERSION_MINOR_SHIFT;
		pID->Revision = (ui32MBXIDData & MBX1_VERSION_MAINT_MASK) >> MBX1_VERSION_MAINT_SHIFT;

		pID->DeviceIdentifier  = sDriverHWGUID;

		/* Mod the GUID to embed hardware ID's */
		pID->DeviceIdentifier.Data4[5] = pID->DeviceId;
		pID->DeviceIdentifier.Data4[6] = pID->SubSysId;
		pID->DeviceIdentifier.Data4[7] = pID->Revision;
	}


	/* Fill out caps */
    if(pgai->pCaps != NULL)
	{
		*pgai->pCaps = sPVRD3DMCaps;
	}

	/* Fill in supported modes */
    pgai->cDisplayMode		= dwPVRNumSupportedDisplayModes;    
	if(pgai->pDisplayMode != NULL)
	{
		IMG_UINT32 ui32Angle = GetRotationAngle();

		GetCurrentModeDetails();
		for(i=0; i<dwPVRNumSupportedDisplayModes; i++)
		{
			pgai->pDisplayMode[i] = psPVRSupportedDisplayModes[i];
			if(ui32Angle == 90 || ui32Angle == 270)
			{
				/* switch width and height */
				pgai->pDisplayMode[i].Width		= psPVRSupportedDisplayModes[i].Height;
				pgai->pDisplayMode[i].Height	= psPVRSupportedDisplayModes[i].Width;
			}
		}

	}
	pgai->nCurrentMode = 0;

	/* Fill in supported formats */
    pgai->nFormat	= dwPVRNumSupportedFormats;
	if(pgai->pFormat != NULL)
	{
		SetUpSupportedD3DMFormatList(pgai->pFormat);
	}

	/* Fill in supported multisample types */
	pgai->nMultisample = dwPVRNumSupportedMultiSample;
	if(pgai->pMultisample != NULL)
	{
		for(i=0; i<dwPVRNumSupportedMultiSample; i++)
		{
			pgai->pMultisample[i] = psPVRSupportedMultiSample[i];
		}
	}

	/* Fill in supported D3DM Profiles */
	pgai->nProfile	= dwPVRNumSupportedProfiles;
	if(pgai->pProfile)
	{
		for(i=0; i<dwPVRNumSupportedMultiSample; i++)
		{
			pgai->pProfile[i] = psPVRSupportedProfiles[i];
		}
	}
		
	/* Fill in StretchRect format conversion types */
    pgai->nConversionBytes = dwPVRNumSupportedFormatConversion;
	if(pgai->pConversion)
	{
		BYTE	*pSRConversions;
		DWORD	dwFmtConvSize =  sizeof(D3DMFORMATCONVERSION) + 
								((STRETCH_RECT_DEST_CONV_FMT_COUNT - 1) * sizeof(D3DMFORMAT));
		pSRConversions = (BYTE*) pgai->pConversion;

		for(i=0; i<dwPVRNumSupportedFormatConversion; i++)
		{
			memcpy(pSRConversions, psPVRSupportedFormatConversion, dwFmtConvSize);
			pSRConversions += dwFmtConvSize;				
		}
	}

	GetFBStats(&pgai->cTotalVRam, &pgai->cCurrentVRam);

	PROFILE_STOP_FUNC(PVRD3DM_GET_ADAPTER_INFO);

    return D3DM_DRIVER_HANDLED;
}

/*----------------------------------------------------------------------------
<function>
	FUNCTION:   PVRD3DM_ValidateDevice

	PURPOSE:    

	PARAMETERS:	In:  
	RETURNS:	D3DM_DRIVER_HANDLED || D3DM_DRIVER_NOTHANDLED
</function>
------------------------------------------------------------------------------*/

DWORD PVRD3DM_ValidateDevice(D3DM_VALIDATEDEVICE_DATA *pvdd)
{
	LPD3DM_CONTEXT psContext = (LPD3DM_CONTEXT) pvdd->nContextId;

	PROFILE_START_FUNC(PVRD3DM_VALIDATE_DEVICE);

	if(!psContext->psVertexSource)
	{
		pvdd->rval = D3DMERR_DRIVERINVALIDCALL;
		goto Exit;
	}
	ValidateTextureStageState(pvdd);

Exit:

	PROFILE_STOP_FUNC(PVRD3DM_VALIDATE_DEVICE);

    return D3DM_DRIVER_HANDLED;
}

/*----------------------------------------------------------------------------
<function>
	FUNCTION:   PVRD3DM_GetInfo

	PURPOSE:    

	PARAMETERS:	In:  
	RETURNS:	D3DM_DRIVER_HANDLED || D3DM_DRIVER_NOTHANDLED
</function>
------------------------------------------------------------------------------*/

DWORD PVRD3DM_GetInfo(D3DM_GETINFO_DATA *pgid)
{
     return D3DM_DRIVER_NOTHANDLED;
}

/*----------------------------------------------------------------------------
<function>
	FUNCTION:   PVRD3DM_Initialize

	PURPOSE:    Driver initialisation entry point for D3D Mobile

	PARAMETERS:	In:  pid - D3DM initialisation structure to be filled in by driver
	RETURNS:	D3DM_DRIVER_HANDLED
</function>
------------------------------------------------------------------------------*/

extern DWORD PVRD3DM_Initialize(D3DM_INITIALIZE_DATA *pid)
{
	pid->pGetAdapterInfo  = PVRD3DM_GetAdapterInfo;
    pid->pCreateContext   = PVRD3DM_CreateContext;
    pid->pDestroyContext  = PVRD3DM_DestroyContext;
    pid->pCreateSurface   = PVRD3DM_CreateSurface;
    pid->pDestroySurface  = PVRD3DM_DestroySurface;
    pid->pLockSurface     = PVRD3DM_LockSurface;
    pid->pUnlockSurface   = PVRD3DM_UnlockSurface;
    pid->pDrawPrimitive   = PVRD3DM_DrawPrimitive;
    pid->pValidateDevice  = PVRD3DM_ValidateDevice;
    pid->pGetInfo         = PVRD3DM_GetInfo;
    pid->pResourceManager = PVRD3DM_ResourceManager;
    
    return D3DM_DRIVER_HANDLED;  
}
/*----------------------------------------------------------------------------
<function>
	FUNCTION:   DllMain

	PURPOSE:    Local dllmain for debug purposes

	PARAMETERS:	
	RETURNS:	D3DM_DRIVER_HANDLED
</function>
------------------------------------------------------------------------------*/
BOOL WINAPI DllMain (HANDLE hinstDLL, 
					 DWORD dwReason, 
					 LPVOID lpvReserved)
{
	switch (dwReason)
    {
    case DLL_PROCESS_ATTACH:
		{
#if defined(DEBUG) 
			DEBUGREGISTER(hinstDLL);
#elif defined(D3DM_RETAIL_DBGOUT)
			RETAILREGISTERZONES(hinstDLL);
#endif
		}
		break;
    }
	return TRUE;
}
/*****************************************************************************
 End of file (D3DM_Init.c)
*****************************************************************************/