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The Iris Project

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Index 0 out of bounds for length 0 no idea...

black UI text/icons

howdy! I've got a fresh install of Minecraft, and downloaded the Iris/Sodium/Fabric 1.21.3 file from the official website and a few shaders, and whenever I load any shader, well... this happens!! any idea the cause of this issue or how to fix it?
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Black rain beams?

Rain started turning everything black since I updated Neoforge yesterday. Not sure if not compatible or I need to change a setting? It doesn't seem to matter which shader pack I try.
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Somes shaders that working yesterday didn't work today.

Hello! I have a very strange problem. I try to use shaders that yesterday works perfectly but didn't work today... When i try to load it, i have a error of this gender in a blue linked message with this paste at link with a message that Iris cant load the shader: error: failed to resolve #include directive --> /world-1/deferred.fsh:3 | | #include "/deferred.fsh"...

Iris with shader enabled breaks BlockEntity rendering

the following code works perfect without shader loaded, but with a iris shader loaded it does not render anything

BBS mod will render incorrectly when using sharders with the DH mod

I apologize that I am not a native English speaker. The following content has been translated into English by ChatGPT, which may cause some reading difficulties. I’m very sorry! I am frustrated that when using the BBS mod in Minecraft to create rendering animations, simply using Iris alongside the DH mod does not cause any issues. However, when I use shaders, it results in severe rendering errors within the BBS mod (the visuals are extremely broken, the kind that could be harmful to people with photosensitivity, so I won’t include screenshots). Since there are no issues without shaders but significant problems when shaders are enabled, I suspect this is an issue with Iris. I sincerely hope Iris can achieve minimal compatibility with BBS to address the rendering issues when using DistantHorizons-2.2.1-a-1.20.1-forge-fabric. Even the most basic level of compatibility would be a significant improvement....

Shaders not loading

It keep sending me an error message and that i should contact the mod developer. Here's the error: deferred1.vsh: deferred1.vsh: 0:213: L0003: Keyword 'noperspective' is reserved...

my gui lags whenever im using shaders

my gui lags whenever im using shaders, i get like 120+ fps but opening shadersw lags iit

Strange "cuts" appearing in the clouds?

I've tried multiple shaders, and most seem to have this issue. The screenshot uses Complementary. (Fabric 1.21.1)...
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problem with ressource pack

If i try to use Iris on my server, it always crashes. I dont know why this issue happens, i think its the cause of the ressource pack i have on the server. Is there a possibility to fix Iris? I uploaded my latest log (i removed some details, that arent important) Thank u for ur help!...

exploded textures on enchanted items in the menu only

see image this only happens if I upgrade past: iris 1.7.0 sodium 0.5.8 indium 1.0.30...
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Intel 13th gen Iris Xe can't compile shaders.

Shader compilation is having problems with my new device CPU: Intel Core i7 1370P Graphics: Intel Iris Xe Driver: 32.0.101.6299 Issue Description:...
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fabric | iris 1.20.1 ver. 1.6.17

hello, I've downloaded iris ver. 1.6.17 with sodium ver. 0.5.9 and it kept on crashing upon loading up a world (whether new or existing for mc 1.20.1) is there a fix for this?...

Glowing texture overlay

Is this an iris issue or is there a json command to block the texture overlay to glow above an emissive block? I already tried "emissive_ambient": false and it's not working....
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1.21 Iris Shaders keep crashing my game.

Hey, I just upgraded my PC (bought a new one) and everytime I turn on shaders my entire Minecraft crashes. I haven't had this before so I'm pretty confused.

Iris + EMF drops the fps horribly

While developing my resource pack with a collection of mods that replace Optifine, I encountered a problem - when spawning 30+ zombies from my resource pack HIDYK's REALM (2.14.11, update in progress), the fps dropped to critical levels below 10 fps because of the models of the mobs, to which several textures are applied at once. As it turned out the problem is in Iris, because without it there is no such problem at all. This also happens in Iris 1.7.1 and Sodium 0.5.9. Traben helped me to find out the problem, so all further dialogues about more complicated aspects should be conducted with him. I could provide a snapshot of my resource pack, but to be clear, it was not published anywhere before the release....
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Iris Crashing Issue

Hello! I need help with this issue, here is my log: [main/ERROR]: Minecraft has crashed! net.fabricmc.loader.impl.FormattedException: java.lang.UnsupportedClassVersionError: net/irisshaders/iris/Iris has been compiled by a more recent version of the Java Runtime (class file version 65.0), this version of the Java Runtime only recognizes class file versions up to 61.0 at...

Sunrays blurry

At first it was fine but know my sun rays are blurry and disappear and reappear and I don’t know what’s happening