Kle's Render Layer Optimizer
Removes configured rendering layers to increase performance when rendering items, armor, weapons, etc.
Screenshots
![[mod enabled] enchanted armor](https://cdn.modrinth.com/data/I7pelLQM/images/01c4deee389e3795569aa860c4096c647d39d5da_350.webp)
About this Mod
Kle's Render Layer Optimizer
Kle's Render Layer Optimizer looks to fix the issues of Minecraft's rendering layers on items and armor. Minecraft's rendering layer tanks your fps when many items or players are on your screen.
What are rendering layers and what kind of performance hit do they cause?
Rendering layers is Minecraft's system to break down how entities, items, and models are drawn for performance. These are the different rendering layers this mod looks to tackle:
- glint
- armor trim
- pattern layers (banners, shields)
- color layers (leather armor, tipped arrows, potions, etc)
Each layer is another thing for your gpu to draw, from testing, 10 enchanted helmets (1 layer each) drops your fps by 20-25 compared to 10 non-enchanted helmets.
What does this mod do at it's current state?
Right now it can only disable the glint layer from being rendered, this greatly improves performance on 1000 armor stands w/ enchanted armor from 36fps to 47fps (very unrealistic scenario) but it's only the start of what I'd like this mod to do. Forge, neoforge, and quilt will come in later updates as well as the other rendering layers.
examples of this mod in action:
(I chose 100 armor stands for these tests because 100 is a more daily occurance than 1000, only mods installed is what's required [no other optimization mods], works with all other optimization mods)
100 armor stands not-enchanted (baseline) - 291fps
100 armor stands enchanted (mod not enabled) - 261fps
100 armor stands enchanted (mod enabled) - 293fps
performance bugs this mod tackles:
- https://bugs-legacy.mojang.com/browse/MC-233604
- https://bugs-legacy.mojang.com/browse/MC-233605
- https://bugs-legacy.mojang.com/browse/MC-166101
toggles:
- Items: fishing rod, books, tools (flint & steel, carrot on a stick, brush, compass, shears, etc.)
- Weapons: swords, tridents, bows, crossbows, axes, maces, and shields.
- Armor: player/animal armor and elytra.
- Other: all items that fall outside these categories (i.e. modded items, custom enchanted items like strength 5 dirt)
Requirements
- Fabric API
- Cloth Config API
- (optional) Mod Menu
Available Versions
How to Install Kle's Render Layer Optimizer on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "Kle's Render Layer Optimizer". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.9 (+30 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Kle's Render Layer Optimizer server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is Kle's Render Layer Optimizer compatible with fabric?
Kle's Render Layer Optimizer officially supports fabric for Minecraft 1.21.11, 1.21.10, 1.21.9. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Kle's Render Layer Optimizer – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Kle's Render Layer Optimizer consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Rent Modded Server
Install Kle's Render Layer Optimizer with just one click on your server.