HRESULT PackedResource::Create( const char *strFilename )
#endif
{
#ifdef _XBOX1
BOOL bHasResourceOffsetsTable = FALSE;
// Find the media file
CHAR strResourcePath[512];
if( FAILED(FindMediaFile(strResourcePath, strFilename, sizeof(strResourcePath))))
return E_FAIL;
else
strFilename = strResourcePath;
#endif
// Open the file
HANDLE hFile;
DWORD dwNumBytesRead;
hFile = CreateFile( strFilename, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL );
if( hFile == INVALID_HANDLE_VALUE )
{
RARCH_ERR( "PackedResource::Create(): File <%s> not found.\n", strFilename );
return E_FAIL;
}
// Read in and verify the XPR magic header
XPR_HEADER xprh;
bool retval = ReadFile( hFile, &xprh, sizeof( XPR_HEADER ), &dwNumBytesRead, NULL );
#if defined(_XBOX1)
if( xprh.dwMagic == XPR0_MAGIC_VALUE )
{
bHasResourceOffsetsTable = FALSE;
}
else if( xprh.dwMagic == XPR1_MAGIC_VALUE )
{
bHasResourceOffsetsTable = TRUE;
}
else
#elif defined(_XBOX360)
if(!retval)
{
RARCH_ERR("Error reading XPR header in file %s.\n", strFilename );
CloseHandle( hFile );
return E_FAIL;
}
if( xprh.dwMagic != XPR2_MAGIC_VALUE )
#endif
{
RARCH_ERR( "Invalid Xbox Packed Resource (.xpr) file: Magic = 0x%08lx\n", xprh.dwMagic );
CloseHandle( hFile );
return E_FAIL;
}
// Compute memory requirements
#if defined(_XBOX1)
m_dwSysMemDataSize = xprh.dwHeaderSize - sizeof(XPR_HEADER);
m_dwVidMemDataSize = xprh.dwTotalSize - xprh.dwHeaderSize;
#elif defined(_XBOX360)
m_dwSysMemDataSize = xprh.dwHeaderSize;
m_dwVidMemDataSize = xprh.dwDataSize;
#endif
// Allocate memory
m_pSysMemData = (BYTE*)malloc(m_dwSysMemDataSize);
if( m_pSysMemData == NULL )
{
RARCH_ERR( "Could not allocate system memory.\n" );
m_dwSysMemDataSize = 0;
return E_FAIL;
}
m_pVidMemData = ( BYTE* )AllocateContiguousMemory( m_dwVidMemDataSize,
#if defined(_XBOX1)
D3DTEXTURE_ALIGNMENT
#elif defined(_XBOX360)
XALLOC_PHYSICAL_ALIGNMENT_4K
#endif
);
if( m_pVidMemData == NULL )
{
RARCH_ERR( "Could not allocate physical memory.\n" );
m_dwSysMemDataSize = 0;
m_dwVidMemDataSize = 0;
free(m_pSysMemData);
m_pSysMemData = NULL;
return E_FAIL;
}
// Read in the data from the file
if( !ReadFile( hFile, m_pSysMemData, m_dwSysMemDataSize, &dwNumBytesRead, NULL ) ||
!ReadFile( hFile, m_pVidMemData, m_dwVidMemDataSize, &dwNumBytesRead, NULL ) )
{
RARCH_ERR( "Unable to read Xbox Packed Resource (.xpr) file\n" );
CloseHandle( hFile );
return E_FAIL;
}
// Done with the file
CloseHandle( hFile );
#ifdef _XBOX1
if (bHasResourceOffsetsTable)
{
#endif
// Extract resource table from the header data
m_dwNumResourceTags = *( DWORD* )( m_pSysMemData + 0 );
m_pResourceTags = ( XBRESOURCE* )( m_pSysMemData + 4 );
// Patch up the resources
for( DWORD i = 0; i < m_dwNumResourceTags; i++ )
{
m_pResourceTags[i].strName = ( CHAR* )( m_pSysMemData + ( DWORD )m_pResourceTags[i].strName );
#ifdef _XBOX360
// Fixup the texture memory
if( ( m_pResourceTags[i].dwType & 0xffff0000 ) == ( RESOURCETYPE_TEXTURE & 0xffff0000 ) )
{
D3DTexture* pTexture = ( D3DTexture* )&m_pSysMemData[m_pResourceTags[i].dwOffset];
// Adjust Base address according to where memory was allocated
XGOffsetBaseTextureAddress( pTexture, m_pVidMemData, m_pVidMemData );
}
#endif
}
#ifdef _XBOX1
}
#endif
#ifdef _XBOX1
// Use user-supplied number of resources and the resource tags
if( dwNumResourceTags != 0 || pResourceTags != NULL )
{
m_pResourceTags = pResourceTags;
m_dwNumResourceTags = dwNumResourceTags;
}
#endif
m_bInitialized = TRUE;
return S_OK;
}
//--------------------------------------------------------------------------------------
// Name: Create
// Desc: Loads all the texture resources from the given XPR.
//--------------------------------------------------------------------------------------
HRESULT PackedResource::Create( const CHAR* strFilename )
{
// Open the file
DWORD dwNumBytesRead;
HANDLE hFile = CreateFile( strFilename, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_READONLY, NULL );
if( hFile == INVALID_HANDLE_VALUE )
{
ATG_PrintError( "File <%s> not found\n", strFilename );
return E_FAIL;
}
// Read in and verify the XPR magic header
XPR_HEADER xprh;
if( !ReadFile( hFile, &xprh, sizeof( XPR_HEADER ), &dwNumBytesRead, NULL ) )
{
ATG_PrintError( "Error reading XPR header in file <%s>\n", strFilename );
CloseHandle( hFile );
return E_FAIL;
}
#ifdef _PC
XGEndianSwapMemory( &xprh, &xprh, XGENDIAN_8IN32, sizeof(DWORD), sizeof(XPR_HEADER)/sizeof(DWORD) );
#endif
if( xprh.dwMagic != XPR2_MAGIC_VALUE )
{
ATG_PrintError( "Invalid Xbox Packed Resource (.xpr) file: Magic = 0x%08lx\n", xprh.dwMagic );
CloseHandle( hFile );
return E_FAIL;
}
// Compute memory requirements
m_dwSysMemDataSize = xprh.dwHeaderSize;
m_dwVidMemDataSize = xprh.dwDataSize;
// Allocate memory
m_pSysMemData = new BYTE[m_dwSysMemDataSize];
if( m_pSysMemData == NULL )
{
ATG_PrintError( "Could not allocate system memory.\n" );
m_dwSysMemDataSize = 0;
return E_FAIL;
}
m_pVidMemData = ( BYTE* )AllocateContiguousMemory( m_dwVidMemDataSize, XALLOC_PHYSICAL_ALIGNMENT_4K );
if( m_pVidMemData == NULL )
{
ATG_PrintError( "Could not allocate physical memory.\n" );
m_dwSysMemDataSize = 0;
m_dwVidMemDataSize = 0;
delete[] m_pSysMemData;
m_pSysMemData = NULL;
return E_FAIL;
}
// Read in the data from the file
if( !ReadFile( hFile, m_pSysMemData, m_dwSysMemDataSize, &dwNumBytesRead, NULL ) ||
!ReadFile( hFile, m_pVidMemData, m_dwVidMemDataSize, &dwNumBytesRead, NULL ) )
{
ATG_PrintError( "Unable to read Xbox Packed Resource (.xpr) file\n" );
CloseHandle( hFile );
return E_FAIL;
}
// Done with the file
CloseHandle( hFile );
#ifdef _PC
XGEndianSwapData( m_pSysMemData, m_pSysMemData, XGENDIAN_8IN32 );
#endif
// Extract resource table from the header data
m_dwNumResourceTags = *( DWORD* )( m_pSysMemData + 0 );
m_pResourceTags = ( RESOURCE* )( m_pSysMemData + 4 );
#ifdef _PC
XGEndianSwapMemory( m_pResourceTags, m_pResourceTags, XGENDIAN_8IN32, sizeof(DWORD), m_dwNumResourceTags * ( sizeof(RESOURCE) / sizeof(DWORD) ) );
#endif
// Patch up the resources
for( DWORD i = 0; i < m_dwNumResourceTags; i++ )
{
m_pResourceTags[i].strName = ( CHAR* )( m_pSysMemData + ( DWORD )m_pResourceTags[i].strName );
// Fixup the texture memory
if( ( m_pResourceTags[i].dwType & 0xffff0000 ) == ( RESOURCETYPE_TEXTURE & 0xffff0000 ) )
{
D3DTexture* pTexture = ( D3DTexture* )&m_pSysMemData[m_pResourceTags[i].dwOffset];
#ifdef _PC
XGEndianSwapTextureHeader( pTexture );
#endif
// Adjust Base address according to where memory was allocated
XGOffsetBaseTextureAddress( pTexture, m_pVidMemData, m_pVidMemData );
// Let PIX know the name of the texture
PIXSetTextureName(pTexture, m_pResourceTags[i].strName);
}
}
m_bInitialized = TRUE;
return S_OK;
}
