| Option Category | # # DIRECT3D POST-PROCESSING OPTIONS # |
| Description | This option sets the amount that the screen corners are rounded by the HLSL renderer. This is done as a float value starting at 0.0 . |
| Full Command | -round_corner <float> |
| Alt. Command | none |
| Reverse Command | none |
| Example | mame64 pacman -hlsl_enable -round_corner 0.2 |
| mame.ini Command | round_corner |
| Command Default | 0.0 |
| Argument Format | <float> |