arkavo-org/VRMMetalKit

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VRM Metal

Stars: 6
Forks: 2
Open beginner issues: 0
Indexed issues: 80
Avg merge: 18h 51m
Merged PRs (30d): 26

Dominant language: Swift
License: Apache-2.0
Last GitHub push: Sep 11, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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80 open issues indexed

Refactor VRMRenderer.swift into Smaller, Focused Classes Open

enhancement maintainability refactoring technical-debt

arkavo-org/VRMMetalKit#4 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Refactor Duplicate Code into Shared Utilities Open

low refactoring technical-debt

arkavo-org/VRMMetalKit#12 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Create Automated Performance Benchmark Suite Open

low performance testing

arkavo-org/VRMMetalKit#13 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add Testing Coverage for Different Platforms and Devices Open

enhancement low testing

arkavo-org/VRMMetalKit#14 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Implement Fuzzing Tests for VRM File Parser Open

enhancement security testing

arkavo-org/VRMMetalKit#15 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ARKit: QoS controller with timestamp interpolation Open

arkavo-org/VRMMetalKit#27 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ARKit: Weighted skeleton blending for multi-camera body tracking Open

arkavo-org/VRMMetalKit#29 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add runtime material property overrides for enhanced rendering Open

enhancement

arkavo-org/VRMMetalKit#44 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Expose detailed performance metrics for profiling Open

enhancement

arkavo-org/VRMMetalKit#46 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Enhance gravity formula to handle magnitude independently Open

enhancement low

arkavo-org/VRMMetalKit#52 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add integration tests for gravity physics simulation Open

medium testing

arkavo-org/VRMMetalKit#53 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Future: Advanced gravity features (per-joint magnitude, time-varying, zones) Open

enhancement low

arkavo-org/VRMMetalKit#55 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add gravity physics examples and documentation Open

documentation medium

arkavo-org/VRMMetalKit#56 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
VRM 1.0 Feature Completeness - Missing Optional Extensions Open

documentation enhancement

arkavo-org/VRMMetalKit#58 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Verify and document SpringBone angle limit implementation Open

arkavo-org/VRMMetalKit#67 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Implement runtime VRM export functionality Open

arkavo-org/VRMMetalKit#68 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Enhance VRM 0.x migration and fallback support Open

arkavo-org/VRMMetalKit#69 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add multi-camera rendering helper methods for first-person view Open

arkavo-org/VRMMetalKit#70 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Optimize outline rendering with Indirect Command Buffers Open

enhancement performance

arkavo-org/VRMMetalKit#88 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Architecture: Crowd Rendering Scalability (10-100+ Avatars) Open

enhancement

arkavo-org/VRMMetalKit#91 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Implement Depth Prepass for Z-Fighting Mitigation Open

enhancement

arkavo-org/VRMMetalKit#111 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Extract shared Metal shader header to prevent struct layout mismatches Open

high maintainability technical-debt

arkavo-org/VRMMetalKit#121 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Deduplicate skinning logic across 3 vertex shaders Open

medium performance refactoring

arkavo-org/VRMMetalKit#124 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Deduplicate per-light shading code in MToon fragment shader Open

medium performance refactoring

arkavo-org/VRMMetalKit#125 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Implement 46 skipped animation/layering/root-motion tests Open

enhancement testing

arkavo-org/VRMMetalKit#128 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Bone-name heuristics: support Mixamo, Blender, namespace prefixes Open

arkavo-org/VRMMetalKit#135 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MToon shader maintenance: rim gate desync risk and metallib CI freshness check Open

maintainability technical-debt testing

arkavo-org/VRMMetalKit#155 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SpringBone equilibrium: fixing one parameter breaks the rest on tuned models Open

arkavo-org/VRMMetalKit#162 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Silhouette: add restore/snapshot mechanism for round-trip toggle Open

arkavo-org/VRMMetalKit#164 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add VRMLoaderLimits configurable quota API for untrusted VRM loading Open

enhancement security

arkavo-org/VRMMetalKit#179 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Renderer: merge color + outline + silhouette into a single tile-memory render pass Open

arkavo-org/VRMMetalKit#192 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MToon: specialize shader pipelines via [[function_constant]] feature flags Open

arkavo-org/VRMMetalKit#193 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MorphTargetCompute: dispatch over per-target affected vertex ranges Open

arkavo-org/VRMMetalKit#194 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Vertex layout: split VRMVertex into position-only + attribute buffers Open

arkavo-org/VRMMetalKit#195 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MToon: demote fragment shader intermediates to half precision Open

arkavo-org/VRMMetalKit#196 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ARKit: route Kalman face smoothing through MPS instead of CPU Open

arkavo-org/VRMMetalKit#198 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Crowd: GPU hardware occlusion queries for background avatars Open

arkavo-org/VRMMetalKit#199 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Epic: Romero-style performance roadmap (10 prioritized optimizations) Open

arkavo-org/VRMMetalKit#200 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MToon debug mode 15 uses Half-Lambert while production path uses raw Lambert Open

arkavo-org/VRMMetalKit#209 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
VRMNode: amortize updateLocalMatrix via dirty flag in updateWorldTransform Open

arkavo-org/VRMMetalKit#211 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
VRMNode: add localTranslation/localScale setters, deprecate raw T/R/S writes Open

arkavo-org/VRMMetalKit#212 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Model lock serializes animation threads during full render encode Open

concurrency high performance

arkavo-org/VRMMetalKit#215 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Per-frame render-item string classification and cache inefficiency Open

high performance

arkavo-org/VRMMetalKit#216 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Morph target system creates one compute encoder per primitive per frame Open

high performance

arkavo-org/VRMMetalKit#217 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Per-primitive morph active-set sort is O(m log m) every frame Open

medium performance

arkavo-org/VRMMetalKit#218 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Skinning matrix palette recomputed from scratch every frame Open

medium performance

arkavo-org/VRMMetalKit#219 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
MToon fragment shader is ALU/texture heavy with no early-exit Open

high performance

arkavo-org/VRMMetalKit#220 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Outline pass doubles draw calls and bypasses state cache Open

medium performance

arkavo-org/VRMMetalKit#221 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SpringBone physics does CPU-side interpolation and array rebuilds every frame Open

high performance

arkavo-org/VRMMetalKit#222 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Loading pipeline: synchronous texture decode, buffer normalization, joint sanitization Open

high performance

arkavo-org/VRMMetalKit#223 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

arkavo-org/VRMMetalKit

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