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The Iris Project

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The Iris Project

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

Join

【𝑷𝑻𝑺𝑫】경규진

5/2/2025

bliss shader

how do i make the bliss shader look like this? i’m korean and l don’t know much about shaders or mods

Hagström

5/1/2025

Crashing after a short but random amount of time in game (1.21.1, both DH and unmodded, NeoForge)

Hi! For the past three days I have been trying to get shaders to work on my admittedly old, but BG3-worthy computer. They (bliss and complementary shaders) function pretty well on a creative test world, even flying around quickly with an elytra, but on my main hardcore world the game always crashes pretty quickly, even just moving around. I made a new hardcore world, and there both shaders function until I start using a pickaxe, and then after mining between 0-6 blocks it crashes the game. How I can break blocks and jump around in creative but not in survival/hardcore (or look at chickens, if we consider my main world) is beyond my computer knowledge. It's also pretty finicky to get the shaders to load in the first place, but after some trial and error I can get Bliss to load on launch and Complementary to load by switching it on and off a few times, or changing any setting in it. Concerning drivers, I have made sure that they are updated to the latest version. My GPU is a 1650 Super, my CPU is a 16 year old Intel Xeon and my RAM is 12GB of (very) early DDR3, borderline DDR2. I realise this is very old, but it somehow runs Baldurs Gate 3 and Warhammer 3 just fine (albeit at a pretty crusty framerate), so I'd imagine it should be able to run some lower level shaders....

okok

5/1/2025

shader bug

Is this normal? (happening with all shaders) I use Minecraft Launcher 1.21.4 I don't know why when I press F3 it is fixed even though if I leave it it appears as I ordered in the photos, I don't know why it happens ...

Vulture

4/30/2025

Minecraft crashing

My minecraft was working perfectly before I added iris mod. I used curseforge app to add the mod to my modpack. When I added it and tried to open minecraft, it crashed immediately after being on the loading screen for 1 second. Also attaching the crash report for you to look at

Solution:

after some digging, I found out that my iris and sodium versions were mismatched so I updated my sodium and now it works

O7a5Nfy.txt

nebula

4/29/2025

annoying/wacky fps with REI

https://spark.lucko.me/FWQav2hRdt https://streamable.com/eguw60 Whenever I have the gui of REI up the fps of my game goes really realy low without actually affecting the count, the only noticeable change i see is GPU usage. this is also noticeable without shaders, going from 5-15%, instantly to 35+ but no real FPS issues. There is a possible mod compatibility issue but im genuinely not sure what it could be, I tested my fps using only REI, sodium, dynamic fps, (and dependencies) and the issue was not there (at least i dont think i noticed it, maybe didnt test it enough.) Another weird thing is that when my game isnt focused (and i have dynamic fps turned off) the fps of my game is normal. Another thing, when on lower tiers of shaders (ex: potato complementary unbound) the problem is not as noticeable but still a big gpu usage bump. Not sure what else to add, if i need to provide more information, let me know....

Solution:

well i found out what the issue was, it is with a mod called Immediately Fast, my only solution being removing it since there's no config.

hums

4/29/2025

Crash on world load

https://github.com/IrisShaders/Iris/issues/2730 heres the github post i made on the Iris Issue Forum, ill ask here aswell so i can get the fix quicker, please help my issue.

Solution:

that version of better clouds is ancient. Try updating to 1.3.21

JesusLovesYou

4/28/2025

Error in certain shaders

I was playing in pojavlauncher using a modpack, so i tried using some shaders. But then i used these shaders: Kappa Photon Complementary Unbound And Reimagined...

USEC_Pilot

4/28/2025

Unable to load multiple shaders

I am using a hmcl launcher on a mac m1 with the version java 1.20.1 fabric. I tried loading different shaders like bsl and stuff but the only thing i got to work is photon v1. Even then the photon shader only works in the nether and the end. When loading shaders in the overworld I get messages saying "Iris encountered an issue loading the shader."

😐

4/27/2025

my installer keeps getting turned into a windows media file

whenever i try to install the iris installer it gets turned into a windows media file can someone help me out?

Cristelknight

4/27/2025

Backgrounds turns black when in options

After a short period of time the background gets black. Disabling and Reenabling shaders fixes it for a short period of time. (As shown in the video). Problem is persistent in every config screen except the Iris Shader configuration screen. Original Mods: AmbientSounds Auto HUD...

m0sifer

4/26/2025

Strange FPS behavior

https://spark.lucko.me/HnebHTCBjf When I play Minecraft, in-game, my displayed FPS drops to 1-2 when I open menus. Be it crafting tables chests, inventory, or the pause menu. What's baffling is that this behavior is only seen when Minecraft is the focused application. I/E IT drops to 1-2 FPS in menus while Minecraft is in focus. When I pull up a different program above minecraft, it returns to the normal FPS....

Solution:

Hm try restoring default settings?

snoodlesoup

4/26/2025

Crashes when having shaders enabled

I've been trying to get shaders to work for a hot minute now since I used to be able to get them to work ok with Optifine but with Iris, I can install it just fine and enable shaders but then when I go to open a world, it crashes immediately. Then when I go to open the game again, it'll crash until I uninstall iris. I recently updated my graphics drivers so that I could even run sodium and iris. I installed everything with Modrinth, I haven't tried manually installing it yet because I wasn't sure if that would even make a difference. If anyone could help me figure out the problem that would be greatly appreciated <3 Here's my latest log: https://mclo.gs/SoOvN6V...

CodeEnder

4/25/2025

java.lang.NoSuchFieldError: TESSELATION_SHADERS

I'm trying to get DH running on Prominence II RPG pack. I'm having the same issue as here but I've already updated sodium, iris, iris compat, and anything else with sodium or iris in the name. Reading through the crash report, nothing jumps out at me so I'm hoping someone here can help.

Van Dake

4/25/2025

Weird behavior with water and glass 1.20.1

My friends and I are playing 1.20.1, using the latest versions for iris and sodium for this version. My graphics cards are updated. And it happens on all shaders. Screenshots are using Complementary Unbound

Your Rhythmate

4/25/2025

GPU load doesn't rise above 20-50%

You know that GPU load needs to be around 100%, but in my case it doesn't happening. Why? i don't know. I can play cyberpunk 2077 on my PC on medium-high settings in 60 fps without any upscaling, but silly block game just don't wanna work properly Iris version? - 1.8.8 Mods? - Fabulously Optimized + Distant horizons GPU? - 1660s...

-Kingsavage-

4/23/2025

IRIS NOT WORKING PROPERLY

OK, so i use lunar, on 1.21.4 i had no issues running any shaders at all, hardware is not the issue in this case and i know this becuase it worked fine previously. Now im on version 1.21.5 using new verions of both Sodium AND Iris. And now anytime i activate my shaders, they artifact and leave outlines of blocks on my screen, everything is hazy and looks like sunshafts cover my screen, its unplayable, i have tried many things to fix it and i have nobody to help me. Is there some new type of sett...

4/23/2025

Iris + Fabric Instant Crash Error Code 1

running windows 10 - trying to get iris working. Worked on its own, tried to get iris + fabric and minecraft crashes before loading with error code 1. iris on its own still works, just the fabric side messing things up. any help appreciated. thank you...

zoya

4/22/2025

iris shaders website issue

so i have a windows and when I tried opening iris it said it couldnt run on my pc.

oxide

4/22/2025

Need help with reflective textures not working properly

I am using 1.20.1 Iris 1.7.6 Sodium 0.5.13 3070ti ...

Pondex🇫🇮

4/22/2025

Not being able to open iris and sodium etc

Its probably a simple fix but i downloaded java and installed it but jarfix says i dont have it, why is that? Also i wonder how can i get distant horizons on it also if possible.

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The Iris Project

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

The Iris Project

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