Check if RIEGLDisplay is already created in CEglThreadSession::EglInitialize,then return EGL_TRUE
EXPORTS
VGIInitialize @ 1 NONAME
VGICopyToTarget @ 2 NONAME
VGITerminate @ 3 NONAME
VGIResize @ 4 NONAME
VGIBindToImage @ 5 NONAME
VGIUnBindImage @ 6 NONAME
_Z16VGISymbianResize5TSize @ 7 NONAME
_Z19VGISymbianTerminatev @ 8 NONAME
_Z20VGISymbianInitialize5TSize13VGIColorSpace @ 9 NONAME
_Z22VGISymbianCopyToBitmapP10CFbsBitmapS0_19VGICopyToTargetHint @ 10 NONAME
_Z21VGISymbianBindToImagem @ 11 NONAME
_Z21VGISymbianUnBindImagev @ 12 NONAME
VGIInitializeEx @ 13 NONAME
_Z22VGISymbianInitializeEx5TSize13VGIColorSpaceii @ 14 NONAME