Please update to 7.1.1 and
unzip /share_int/shaders.tar.xz to /share/shaders

Excellent, merci.

OK...

with this shader as source, i was able to fix the crt-pi shader for RPI4

https://github.com/libretro/glsl-shaders/blob/master/crt/shaders/crt-pi.glsl

I tweaked some values , so that the shader looks as close as the one on RPI3 (reduce moire effect, deactivate mask for real colour)

I didnt found a source for the barrel and mask shader (maybe special recalbox shaders?), so this was the only one i could fix for now.

Just copy the crt-pi.glsl file to /recalbox/share/shaders/lr/crt-pi
https://www.dropbox.com/s/elt6fxqmieh7pzh/crt-pi.glsl?dl=0

Hope i could help 🙂

Merci pour votre réactivité
Bonne soirée.

C'est de ce fix dont on a parlé sur mon topic @acris ?

@Alex40ar said in How can I reset to a stock shader?:

I'm using Recalbox 4

First, read this:
https://github.com/recalbox/recalbox-os/wiki/Shaders-configuration-(EN)
I think you can manually edit it directly in the configuration file, following the explanation above.
NOTE: You are using an obsolete version of Recalbox, and the Forum does not support it, the correct thing is that you update to the latest version. For this, you need to do a clean installation. As has already been announced on the forum, soon (there is still no correct date) there will be an update, and unfortunately it will require a clean install again, so you may not want to update now, but understand that obsolete versions are not supported.

@telemakk
Je suis d’accord, il est souvent reproché de ne pas chercher dans le forum mais ce n’est pas forcément optimisé pour cela!
Ce n’est pas un reproche mais selon si on recherche dans les titres oules messages, c’est pas évident de trouver son bonheur

@acris same shit 😞 même en essayant de les appliquer sous retroarch: message d'erreur cité précédemment

@nayok cool t'es le meilleur 😉 merci!!!!