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The Iris Project

This server is all about the development and community around Iris Shaders!

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Update notification every time I join a new server?

I'm waiting to update all my mods once the main stuff I use is all ready for 1.20.3. In the meantime on multiplayer servers and minigames which require server hopping, my chat is flooded with Iris' update notification. Is there any way I can get this to perhaps only notify me once per session or something like that?...
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How to get fabric mods to work with Iris-fabric loader

I just want to be able to use a fabric quality of life mod called Continuity for connected glass textures and I don't know how to get the mod to work. I have the fabric API, Indium, and modmenu along with continuity in the .minecraft/mods folder, and when I launch the game it says fabric (modded) in the bottom corner but the mod menu doesn't appear and the textures aren't connected....

my game becomes a void with shaders

when i use iris shader my screen just turn into void i can just see skies not character or any block

my game won't launch with the newer version of iris

i'm using the Modrinth launcher and when i update iris to 1.6.11 or newer the game just won't launch and gives me no fabric error message, but with the latest one it does

Game doesnt boot up because of Iris

I dont know wth that is. I keep getting it when using iris and trying to start the game
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Game isn't open on ATlauncher

Uncaught exception in thread "main" java.io.UncheckedIOException: java.nio.file.NoSuchFileException: C:\Users\cliente\AppData\Roaming\ATLauncher\libraries\commons-io\commons-io\2.13.0\commons-io-2.13.0.jar at net.fabricmc.loader.impl.util.LoaderUtil.normalizeExistingPath(LoaderUtil.java:46) at net.fabricmc.loader.impl.launch.knot.Knot.init(Knot.java:124) at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:68)...

Update notifications

I dont want to see it, especially when you can't just update iris, it require to update sodium, sodium update require to update indium and nvidium, especially i dont want to see spam when indium and nvidium still not support sodium 5.4 and you can't both get rid of message spam and continue use indium and nvidium. I deleted iris and wont use this crap until you start thinking about users.

Using Shaders and a resource pack with CEM at the same time can cause frame drop

Enabling Shader with Iris and loading a resource pack that contains Custom entity models using Entity Model features will cause severe lag. I originally thought it was an issue with EMF, so I discussed it extensively on the EMF Discord. The post is as follows: https://discord.com/channels/950942125225283634/1181977456442355762 Because it would be too long to say everything, let's briefly summarize for now: I found that using Fresh Animation with shader turned on sometimes causes severe lag. I have tried different shaders and resource packs with custom entity models, but the issue persists. I also tested different modpacks like Fabulously Optimized, but it remains the same. In the F3 pie chart, I noticed that render-level-shaders-entities gradually increases during lag and decreases when it recovers. I think it might be an issue with Iris....
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Resource packs won't load after 1.16.11 update on 1.20.1.

Just what the title says. Anyone experiencing this?

How to do back to older version?

I updated Iris and now my game won't open because of several mod conflicts. I want to go back to the version I was on before but I can't figure out how to. I am still using 1.20.2 as most of the mods I'm using haven't update yet. So far I've tried looking in the versions list dropdown in the launcher and using the old installer from my downloads folder to try to install the older version. How can I find/reinstall an older version?...
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Shaders won't load

I got the new update of Iris installed, everytime I attemp to load into a world and load the shader for my world, nothing changes, it just remains to just vanilla.
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iris on 1.20 server

Hi everyone, I am playing on a minecraft server which is hosting on version 1.20 and I need some #help please. However I cannot find an iris version of 1.20 but only 1.20.1 and higher. Is there a solution for that or impossible to have iris on 1.20? Thanks 😊...

1.20.3 crash with Sodium: UnsupportedOperationException

java.lang.UnsupportedOperationException: The internal methods provided by BufferVertexConsumer (as used to upcall into BufferBuilder) are unsupported
java.lang.UnsupportedOperationException: The internal methods provided by BufferVertexConsumer (as used to upcall into BufferBuilder) are unsupported
The exception seems to be intentionally thrown by Sodium code and I can't seem to reproduce it without having Iris installed alongside it, so I figured it might be better to report this here. This is without using any shaders. ...

VirusTotal.

Is this a false positive or are there risks?
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Elytra model with EMF not working the same when shaders are enabled

Hey, so I made an elytra model with EMF (entity model features) that is supposed to act like a cape and I noticed that some of my animations don't work as intended when shaders are enabled with iris. I don't necessarily think its iris's fault, but it might be useful to find out what is causing this incompatibility. I have attached some examples of my problems: 1. my calculations for y speed do not seem to be accurate...

Older iris version not working properly

I am using sodium 0.4.10 fabric api 0.88.1 iris 1.6.4 and indium 1.0.21 because of Create mod, and it unfortunately does this when LIGHTING is in effect (when i place torch, when there is any source of light...), doesn't matter if i have shaders on or off... Any ideas?
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Can Iris 1.6.9/1.6.10 be used on MC 1.20? If not, why the update message?

Iris 1.6.9 needs Sodium 0.5.3 to run. Sodium 0.5.3 isn't released on MC 1.20, only 1.20.1 and 1.20.2. When I use Iris 1.6.4 with Sodium 0.4.10 and MC 1.20, it says there's an update in the game chat and Mod Menu. How can I update Iris in a way that is compatible with MC 1.20? If I am on the most recent version usable on MC 1.20, how can I get rid of the annoying update message? And I don't especially want to update to MC 1.20.1....

Iris not working on curseforge

Is there anyway I can use iris on a forge modpack?

I download the installer and when I try and open it it'll just bring me to save the file location

When I try to download itll bring me to an infinite loop of me saving the file location