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Lane pipeline architecture — unified Lane trait, LaneContext type-map, Slot<T>/Ref<T> ephemeral access, LaneRegistry, and all concrete lane implementations (render, shadow, physics, audio, asset, ECS). Use when working on lane execution, context passing, or pipeline orchestration.
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基于 SOC 职业分类
| name | lane-pipeline |
| description | Lane pipeline architecture — unified Lane trait, LaneContext type-map, Slot<T>/Ref<T> ephemeral access, LaneRegistry, and all concrete lane implementations (render, shadow, physics, audio, asset, ECS). Use when working on lane execution, context passing, or pipeline orchestration. |
| license | Apache-2.0 |
| metadata | {"author":"eraflo","version":"1.0.0","category":"engine-architecture"} |
When working on the Lane system:
Core trait (crates/khora-core/src/lane/):
pub trait Lane: Send + Sync {
fn strategy_name(&self) -> &'static str;
fn kind(&self) -> LaneKind;
fn execute(&self, ctx: &mut LaneContext) -> Result<(), LaneError>;
}
LaneContext — a type-erased container for passing data through lanes:
ctx.insert(value) — store a value by its typectx.get::<T>() → Option<&T> — retrieve by typectx.get_mut::<T>() → Option<&mut T> — mutable accessSlot<T> — ephemeral mutable access to borrowed data (e.g., command encoder)Ref<T> — shared reference wrapper for context insertionLaneKind enum:
Render — main render passes (lit, unlit, forward+)Shadow — shadow depth passesPhysics — physics simulationAudio — audio mixingAsset — asset loadingScene — serialization, transform propagationEcs — ECS maintenance (compaction)Ui — UI layoutLaneRegistry — stores and retrieves lanes by name/kind:
registry.register(lane) — add a laneregistry.get(name) → lane referenceregistry.find_by_kind(kind) → iterator over matching lanesConcrete lanes (crates/khora-lanes/src/):
render_lane/ — SimpleUnlitLane, LitForwardLane, ForwardPlusLane, UiRenderLane, ExtractLanerender_lane/shadow_pass_lane.rs — ShadowPassLanephysics_lane/ — StandardPhysicsLane, PhysicsDebugLaneaudio_lane/mixing/ — SpatialMixingLaneasset_lane/loading/ — GltfLoaderLane, ObjLoaderLane, WavLoaderLane, SymphoniaLoaderLane, TextureLoaderLane, FontLoaderLaneasset_lane/pack_loader.rs — PackLoadingLaneecs_lane/ — CompactionLanescene_lane/ — DefinitionSerializationLane, RecipeSerializationLane, ArchetypeSerializationLane, TransformPropagationLaneui_lane/ — StandardUiLaneContext keys (crates/khora-core/src/lane/context_keys.rs):
ColorTarget(TextureViewId) — render targetDepthTarget(TextureViewId) — depth bufferClearColor(LinearRgba) — clear colorShadowAtlasView(TextureViewId) — shadow atlasShadowComparisonSampler(SamplerId) — shadow samplerExecution flow (per frame):
LaneContext with device, meshes, encoder, targetsrender_with_encoder() callLane traitMutex/RwLock)LaneContext — no global mutable stateCRPECS ECS architecture — archetype-based Column-Row Partitioned Entity Component System with SoA storage, parallel queries, component registration, and entity lifecycle management. Use when working on ECS, World, components, queries, or archetypes.
General Rust game engine development — build systems, workspace management, dependency resolution, proc macros, unsafe auditing, and performance profiling. Use for any Rust compilation, testing, or workspace-level task.
Symbiotic Adaptive Architecture (SAA) and CLAD layering — Control/Lanes/Agents/Data architecture, DCC orchestration, GORNA protocol, agent lifecycle, budget system, and inter-agent communication. Use for architectural decisions, agent implementation, or DCC/GORNA work.
wgpu 28.0 GPU rendering — render passes, shadow mapping, PBR shaders, pipeline management, texture/buffer resources, Vulkan validation, and frame lifecycle (begin_frame/end_frame). Use for any GPU, shader, or rendering task.