| Option Category | # # DIRECT3D POST-PROCESSING OPTIONS # |
| Description | This option sets the individual height of each scanlines. 1.0 sets the standard ratio and changing it will increase/decrease the width of the lines. |
| Full Command | -scanline_height <float> |
| Alt. Command | none |
| Reverse Command | none |
| Example | mame64 pacman -hlsl_enable -scanline_height 0.8 |
| mame.ini Command | scanline_height |
| Command Default | 1.0 |
| Argument Format | <float> |