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create-gl4es-stencil-fix

create-gl4es-stencil-fix

Fixes Create mod crash on mobile (GL4ES/Krypton) create模组的手机端修复

576downloads
4followers
576downloads
4followers

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Details

Licensed MIT
Published 2 months ago
Updated 2 months ago
All versions

1.0.0

Release
Fixes crash on mobile devices2 months ago 280
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Compatibility

Minecraft: Java Edition
1.21.1
Platform
NeoForge
Supported environments
Client-side

Changes

GL4ES Stencil Fix 1.0.0

Initial release.

What this fixes

Crashes on mobile Minecraft launchers (ZalithLauncher, PojavLauncher, FCL, etc.) when running Create mod under GL4ES or Krypton Wrapper. The game crashes at the loading screen before the title screen appears with one of the following errors:

  • GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT — GL4ES / GLES 2.0 backend
  • GL_FRAMEBUFFER_UNSUPPORTED — Krypton Wrapper / GLES 3.x backend

Root cause

Create/Ponder calls RenderTarget.enableStencil() during UI initialization. Mobile OpenGL wrappers cannot attach a stencil buffer to an existing FBO, causing glCheckFramebufferStatus to return a failure code, which Forge/NeoForge throws as a RuntimeException.

Fix

A Forge Coremod (ASM bytecode transformer) replaces enableStencil() with a no-op at class-load time. The driver call is never made, so the crash never occurs.

Side effects

The stencil buffer is used by Ponder for UI clipping in the tutorial viewer. With this fix, that clipping effect is disabled — minor visual artifacts may appear in the Ponder screen. Normal gameplay is completely unaffected.

Compatibility

  • Minecraft 1.20.1 + Forge 47.x
  • Create (all 1.20.1 versions: 0.5.x, 6.0.x)
  • GL4ES (GLES 2.0) and Krypton Wrapper (GLES 3.x)
  • ZalithLauncher, PojavLauncher, FCL, and any other GL4ES-based launcher
  • Client-side only — not required on servers