Homepage › Forums › RetroPie Project › Video Output on RetroPie › How to get scanlines and vastly improve picture quality: the best method › Reply To: How to get scanlines and vastly improve picture quality: the best method
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<div class=”d4p-bbt-quote-title”>InsecureSpike wrote:</div>
many thanks to “Patrick” for this post, as I’ve found this real
oh just a quick question, are shaders set for each individual emulator or universal, one for all?
I also would like to know the answer to this.
On a probably-related note, in Floob’s reply, what is the purpose of the line:
input_remapping_directory = /opt/retropie/configs/megadrive/
in the provided configuration file?
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you can make the video settings universal by holding down “x” or “m” as a game launches from emulationstation to bring up a menu. This gives you a menu of options like “choose default emulator” “choose video resolution” “choose Retroarch output resolution,” etc.
For the shader settings, by default, if you load a shader in RA and then exit normally it will save your shader settings and these will be applied next time you launch RA. You can set a shader through the RGUI or by editing the config file in text editor.
You can also manually edit the config in /opt/retropie/configs/all/retroarch.cfg to make the settings universal. If you want to make different settings for each system, then edit the file called “retroarch.cfg” located in the folder for that particular system in /opt/retropie/configs/.
The easiest way is to just load the shader through the RGUI and then exit RA normally (by default, start + select on the gamepad).
As far as the line you were asking about, I’m pretty sure that is related to controller input and not video settings.