BDRootWindow: delay overlay opening until something visible has been drawn
BDRootWindow: delay overlay opening until something visible has been drawn

ShiftMediaProject/libbluray,Azzuro/libbluray,ShiftMediaProject/libbluray,ace20022/libbluray,ace20022/libbluray,Azzuro/libbluray,Azzuro/libbluray,ShiftMediaProject/libbluray,ace20022/libbluray,Azzuro/libbluray,ShiftMediaProject/libbluray,ace20022/libbluray