| Option Category | # # DIRECT3D POST-PROCESSING OPTIONS # |
| Description | This option sets how long the colour channel stays on the screen, also called phosphor ghosting. 0 gives absolutely no ghost effect, and 1 will leave a contrail behind that is only overwritten by a higher color value. This also affects vector games quite a bit.. |
| Full Command | -phosphor_life <float>,<float>,<float> |
| Alt. Command | none |
| Reverse Command | none |
| Example | mame64 pacman -hlsl_enable -phosphor_life 0.0,0.01,-0.02 |
| mame.ini Command | phosphor_life |
| Command Default | 0.0,0.0,0.0 |
| Argument Format | <float>,<float>,<float> |