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The Iris Project

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

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pupp
pupp
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3/27/2025

1.21.5 shaders crashing me

i am very confused because my friends can use this just fine but when i use 1.21.5 iris shaders it crashes. i assumed it was a server issue until they joined too. i dont know how to fix this - also it randomly gives me a crash msg that says something about distant horizons which i dont even have downloaded.
No description
Clarion_Bird
Clarion_Bird
View on Discord
3/26/2025

I am unable to load shaders and it says to provide this to the developer

Mixin transformation of net.irisshaders.iris.pipeline.programs.SodiumShader failed
Arphex
Arphex
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3/26/2025

Iris not loading any shader's moon

I not know what is happening. Tried with Photon and Sundial Lite.
Krystaleex
Krystaleex
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3/26/2025

whenever i try to use a shader it crashes

Hi ! first of all sorry for my english, it's not my first language. I'm also a new player on MC so i may struggle with explanations and giving docs lol. So i'm playing on the new version (1.21.5) and every time i try to put a shader (Vibrant or complementary) my game crashes like 1-2 seconds after the loading page in game. But when i don't have any shaders on, it doesn't (but the game's ugly...). I'm playing with mods (fabric, fabric api, fabric language kotlin, sodium fabric, iris fabric, and m...
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Rain
Rain
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3/26/2025

Block ID not getting passed to gbuffers_block for submodel?

Setup Windows 10 Minecraft 1.21.1 NeoForge 21.1.133 Iris 1.8.8...
No description
ReaperBrine
ReaperBrine
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3/26/2025

How to rebind shaders reload

How do I rebind the shaders reload key? It is not appearing in minecrafts default keybinds area
DXDragor
DXDragor
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3/23/2025

Bliss shaders crashing with Tonemap Xonk

Does anyone know how to fix it and how to keep the tonemap?
MunchyCrunchy08
MunchyCrunchy08
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3/23/2025

mob and item shadows broken on my shader packs (mellow and bsl)

how do i fix this?
No description
sreedevvvvv
sreedevvvvv
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3/23/2025

whenever i try to use a shader it dosent apply or crashes and gives this message:

BASIC: BASIC: Attribute iris_Position is bound to generic attribute 0, but gl_Vertex is also used.
No description
Prime54601
Prime54601
View on Discord
3/21/2025

OpenGL error spam in Iris 1.8.8 for 1.21.1

I'm pretty sure this wasn't the case for 1.7.5. Shaders I tried are the lastest in-dev versions of Bliss, Photon and Photon GAMS, all having the same issue....
Solution:
Issue narrowed down to Distant Horizons version 2.3.0-b. Try their nightly build and see if that issue been fixed.

latest.log

çıtır çeto
çıtır çeto
View on Discord
3/20/2025

my iris making minecraft crash when I deleate it itworks normaly

message.txt

TRENCH 7 (🇦🇺)
TRENCH 7 (🇦🇺)
View on Discord
3/20/2025

1.21.1 Not working?

I have a fresh new clean installation of windows 10 And have just got all of my mods that I had from before back into the game. I was on Windows 11 previously, but I had some problems, but for some reason, Iris isn’t working. Loads Minecraft, but kicks me out and sends me to a error screen and only lets me play when I remove it from the files
Alex
Alex
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3/19/2025

How do I disable the red blur on the screen when I take damage? Sometimes it cover the entire vision

No description
contaria
contaria
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3/19/2025

Incompatibility with rendering in my mod

hi, I'm working on a mod which has an overlay that renders dots at certain angles. I use the WorldRendererEvent.LAST to get the necessary matrices and then i render it similarly to entity names, except i use RenderLayer#getGuiTexturedOverlay for the buffer to make it render above any terrain. This works fine in vanilla (except for clouds) but with iris 1.8.8 installed, the dots render behind terrain. ...
Mayravixx
Mayravixx
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3/18/2025

Iris crashes Minecraft 1.21.1 with Mixin transformation of net.minecraft.class_7764 failed

I'm trying to set up some mods in MultiMC for Minecraft 1.21.1, and as I've just now found out after about 20 minutes of debugging, Iris is the mod that's currently crashing my game. I'm not sure how to read these things, but hopefully someone smarter than me knows what to make of all this. I'd also like to note, it crashes even if I just pair it with Sodium and no other mods, and the game launches just fine with only sodium, so it's not a conflict with any of my other mods. For the sake of not cluttering up the logs and reports, the ones I provided are from when I only launched the game with Iris and Sodium. Just in case you guys need it anyway, let me know and I can provide a list of every mod I'm using (spoiler alert, there's a lot of 'em.) Attached is the latest crash log, I tested it with both v1.8.7 and 1.8.8 and was met with the same result...
Solution:
Iris 1.8.7 is for Sodium 0.6.9, upgrade your Sodium to that version from your current 0.6.5.
Gracie
Gracie
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3/17/2025

Iris only shows as a file and will not open

Whenever I try to download iris it shows up in the files but i click it and won't open, same problem when i drag it out of the files and on to desktop. I have java installed correctly i think, im not sure why this is happening.
Shepiock
Shepiock
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3/15/2025

Player hand not rendering when spectating with shaders (Flashback)

Hey, when i spectate a player with Flashback in spectator mode, the hand isn't rendering when I have shaders turned on. I asked moulberry (flashback dev) and he told me it seems to be an iris issue.
No description
Madison
Madison
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3/14/2025

Darker Color bug with Iris Shaders

Minecraft: 1.21 Fabric Mod version: 1.8.8+1.21.1 Fabric/Quilt Shader Enabled: None https://cdn.discordapp.com/attachments/485199441767432193/1350224862567727104/image.png?ex=67d5f665&is=67d4a4e5&hm=22b282bf81bccb4a83478e4fbfe85c0f5f6f4969e3b1b84f8ba1ea163b77291b& ...
miseuteo-meosi
miseuteo-meosi
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3/13/2025

DH 2.3 fading

noticing that the new "fade" feature with DH 2.3 that allows seamless LOD transition is basically disabled when shaders are on. Just wanted to shed some light and wondering if this is a bug that will be fixed later on, something shader/DH devs will have to fix, or just simply unavoidable...
Zuckerpapa
Zuckerpapa
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3/13/2025

DH 2.0.x Support for Minecraft 1.20.4?

I want to use DH 2.3.0 on the Server I play on with my friends, since it's the Update that added Server Side support. Unfortunately, when launching the game, it says that DH is incompatible with any Version of Iris 1.7.4 and below. But Iris 1.7.4 for Minecraft 1.20.4 is nowhere to be found. Is there any way to get this working or at least some Iris Beta build for 1.20.4 that is compatible with higher Versions of DH? Thanks in advance...
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