I use Retroarch on a Raspberry Pi. I used a TV overlay with shaders for scanlines but they imply to much input lag. So I tried the effect overlay : mame-cool-4x and it perfect fit PCEngine resolution but not SNES. I wanted to use with the TV overlay I have with the effect overlay mame-cool-4x but only one (the first (0)) is displayed, this is the config i tried for tv-pce.cfg:
overlays = 2 overlay0_overlay = ../effects/scanlines/mame-cools-4x.png overlay1_overlay = tv.png overlay0_full_screen = false overlay1_full_screen = true overlay0_descs = 0 overlay1_descs = 0
Then I tried to merge the 2 overlays with gimp and then use it but I don’t know why, but the overlay I created perfectly fit the SNES resolution but not the PCEngine anymore.
This is the config I have in retroarch for the overlay application :
video_fullscreen_x = 1920 video_fullscreen_y = 1080 custom_viewport_width = 1361 custom_viewport_height = 1009 custom_viewport_x = 282 custom_viewport_y = 39 aspect_ratio_index = 22 input_overlay = "/opt/retropie/configs/all/retroarch/overlay/borders/tv-pce.cfg" input_overlay_enable = true input_overlay_opacity = 0.900000 input_overlay_scale = 1.000000 video_smooth = "false"
I tried to tweak “custom_viewport_height” and “custom_viewport_y = 39” But I did not found a setting that perfectly fit the scanlines.
Any help would be very appreciated,
Thanks by advance.