텍스쳐 포맷 변경해서 저장하기

LPD3DXBUFFER pBuffer = NULL;

if( D3DXSaveTextureToFileInMemory( &pBuffer, D3DXIFF_TGA, pTexture, NULL ) == D3D_OK )
{
SAFE_RELEASE( pTexture );

D3DXCreateTextureFromFileInMemoryEx( pd3dDevice, pBuffer->GetBufferPointer(), pBuffer->GetBufferSize(), D3DX_DEFAULT, D3DX_DEFAULT, D3DX_DEFAULT, 0, D3DFMT_DXT5, D3DPOOL_MANAGED, D3DX_DEFAULT, D3DX_DEFAULT, 0, 0, 0, &pTexture );
ASSERT( m_pLightMap != NULL );

SAFE_RELEASE( pBuffer );

D3DXSaveTextureToFile( pFilename, D3DXIFF_DDS, pTexture, NULL );
}

용문씨 가져가~