Hello Rene, QMC2 ignored all HLSL settings ( enabled, disabled, change settings - nothing) :
when i try import any ini which floating on internet

19:35:11.930: importing machine-specific MAME configuration from D:/downloads/m9ujD37b - Copy.txt
19:35:12.070: WARNING: unknown option 'hlsl_write' at line 9 (D:/downloads/m9ujD37b - Copy.txt) ignored

for test i used emuloader, mameuifx - all is fine with hlsl enable.
Hope for testing and fixing this issues.
Tnx smile

more info about raster.ini vertical.ini and etc etc :