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The Iris Project

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A 90% performance decrease just by enabling BSL sheaders on lowest sheader settings

A very significant and noticable peformance decrease in comparison to earlier versions of the mod (Minecraft 1.21.4 Fabric + Sodium + more optimalization mods)

sheder load error

when i load my shader using iris it givs me an error massage it happens every time

(1.19.2 Fabric) Help finding/porting Iris 1.7+ to 1.19.2

Please PING me when replying I wondered if anyone knows of or has ported a version of Iris 1.7 or higher to 1.19.2. I want to add distant horizons + shaders to my 1.19.2 modpack, but I cannot update the modpack past 1.19.2 due to mod and world compatibility issues....

(1.21.5) Particle Rain ground fog disappears when shaders active

Posting this here as the .log file says it's likely an iris bug. Ground fog works normally when shaders are disabled. Log file (grabbed from Modrinth lmk if that's not suitable): https://mclo.gs/4DmwI2r...

Crash in libgallium on Steam Deck

I got this crash report: https://github.com/Qendolin/better-clouds/issues/192#issue-2961845393 And wanted to ask if this is maybe a known issue with Iris. (I've also asked this on the caffinemc discord)...

Sun and Moon from custom sky resource packs render too close to the player

Here I'm using the in-dev version of the Nuit mod with my Hyper Realistic sky pack (also in-dev). As you can see, the the sun and moon cut through the terrain. This is with BSL shaders, but I tested many others and it happened with all of them. (bliss, complementary, dr destens, insanity, rethinking and seus) @FlashyReese FYI...

Iris seems to make my GPU crash when I use a boat?

this is a weird one, and a very repeatable one. I play on MC 1.21.4 (fabric 0.16.10 iirc), found the issue on a server with a whole modpack, but when going in solo with just sodium, iris and my shaders (complementary unbound + euphoria patches, max settings) and whenever I ride a boat in a large body of water (not a river, a river doesn't crash, but an ocean does, and it is specifically when boats are involved, i can swim fine), my game crashes HARD, like full black screens, audio goes BRRRRT and the GPU just gives up rendering minecraft. Thing is, and it might be a deeper problem, minecraft runs horribly on my PC (specs below), I'm talking 130 fps max with 1% lows at 20 in vanilla, 600fps if i litteraly do nothing but no more than 200 if I do anything but 40fps 1% lows with just sodium, and obviously it drops when I add the shaders the mods and distan horizons. ...
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PBR broken on latest MC version?

Can anyone confirm or deny iris shaders is working with PBR as of latest version because I notice 0 change whatsoever when enabling or disabling, tried multiple shaders as well

Glass, water and ice corrupted when using pbr

Heya! Does anyone know how to fix this one issue I have when using pbr with certain resource packs? I love packs like pixlli, but whenever I use labpbr or seuspbr for the 3D effects, everything transparent is messed up. Like glass is red and opaque, ice turns purple and water is (sometimes) invisible etc. Is there a way to fix that, or are some resource packs just not compatible with Iris? Having these issues with BSL, Complementary, Bliss, etc.
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Reloading a Resource Pack while enabling Shaders causes Chunks to become invisible

When reloading a resourcepack with https://modrinth.com/mod/rrls and (at the same time before the resourcepack finishes) enabling shaders on Iris the chunks become invisible with graphicals glitches. Chunks are rendered normally when I pull up a modded GUI like BetterF3 or EMI. Turning off shaders fixes things of course.
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How do i even turn on graphics?

I've tried to watch videos and such, but still confusing

broken iris and sodium

iris and sodium both crash my game the moment i try to load into a server. if i have both disabled the games completely fine but then i cant use my shaders. before the 1.21.5 update i had no issues with anything

POM/PBR not working on 1.21.5

No change to textures when enabling I was told by texture mod author that iris has a bug/issue with pom/pbr not working on latest version right now. Is this true? If so any timeline for a fix?

Crashing with fast movement 1.25.5

I can load on to a world with shaders, but when I turn around, or move my mouse just a little bit it crashes. I tried the standalone version, the an the separate version with fabric loader...
Solution:
Download latest version from IMS

Leaf Problems

Hi, I'm really confused since this started happening, the outer leaf layer doesn't line up with the light and i'm just wondering how I fix this...
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Minecraft will not load into a world, Crashes immediately

I am using the lates version of Iris 1.8.10 for Fabric 1.21.5 and Sodium 0.6.12 for Fabric 1.21.5. Every time I try to enter any world the game crashes, The game crashed: unexpected error Error: java.lang.NullPointerException: Cannot invoke "net.minecraft.class_10867.comp_3801()" because "glRenderPass.field_57868" is null ...

Shaders dont load into game (RTX3060)

Im downloading the iris shaders and every time i download them i get the resource pack in game but the shaders dont work
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