| Option Category | # # DIRECT3D POST-PROCESSING OPTIONS # |
| Description | This option sets the output width in pixels of the shadow mask image defined by shadow_mask_usize and shadow_mask_vsize. |
| Full Command | -shadow_mask_x_count <integer> |
| Alt. Command | none |
| Reverse Command | none |
| Example | mame64 pacman -hlsl_enable -shadow_mask_image shadow-mask.png -shadow_mask_usize 0.5 -shadow_mask_x_count 16 |
| mame.ini Command | shadow_mask_x_count |
| Command Default | 6 |
| Argument Format | <integer> |