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设计与多媒体

pixijs-custom-rendering

pixijs/pixijs-skills

Use this skill when writing custom shaders, uniforms, filters, batchers, or low-level draw code in PixiJS v8. Covers Shader.from({gl, gpu, resources}), GlProgram/GpuProgram, UniformGroup with typed uniforms (f32, vec2, mat4x4), UBO mode, textures as resources, TextureView for depth sampling, 3D and array textures (depth, arrayLayerCount, sampler3D, texture_3d), WebGPU storage textures (storage: true), WGSL override constants, custom bind group layouts (gpuLayout), partial buffer updates (Buffer.update), Geometry.vertexCount/indexCount, TexturePool scratch textures, State winding and culling (clockwiseFrontFace, cullMode), WebGPU render bundles, custom Filter via Filter.from, GLSL ES 3.0 conventions (finalColor), uBackTexture sampling, pixi.js/unsafe-eval for strict CSP, custom Batcher and InstructionPipe.destroyInstructionSet via extensions. Triggers on: Shader, GLSL, WGSL, uniform, custom shader, blendRequired, ShaderOverrides, bind group layout, depth texture, 3D texture, sampler3D, texture_3d, storage texture, getSize, indexCount, TexturePool, getOptimalTexture, destroyInstructionSet, beginBundle, executeBundle, RenderBundle.

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安装命令

npx skills add https://github.com/pixijs/pixijs-skills --skill pixijs-custom-rendering

SKILL.md

Custom shaders bind GLSL and WGSL programs to scene objects via Shader.from({ gl, gpu, resources }). Uniforms live in typed UniformGroups, textures are passed as separate resources, and the same shader can target both WebGL and WebGPU.

Quick Start

const uniforms = new UniformGroup({
  uTime: { value: 0, type: "f32" },
});

const shader = Shader.from({
  gl: { vertex: vertexSrc, fragment: fragmentSrc },
  resources: { uniforms },
});

const geometry = new MeshGeometry({
  positions: new Float32Array([0, 0, 100, 0, 100, 100, 0, 100]),
  uvs: new Float32Array([0, 0, 1, 0, 1, 1, 0, 1]),
  indices: new Uint32Array([0, 1, 2, 0, 2, 3]),
});

相关 Skills

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Covers new Application() + async app.init() options (width, height, background, antialias, resolution, autoDensity, preference, resizeTo, autoStart, sharedTicker, canvas, useBackBuffer, powerPreference, eventFeatures, accessibilityOptions, gcActive, bezierSmoothness, webgl/webgpu/canvasOptions per-renderer overrides), app.stage/renderer/canvas/screen/domContainerRoot access, ResizePlugin, TickerPlugin, CullerPlugin (cullable, cullArea), custom ApplicationPlugin via ExtensionType.Application, start/stop lifecycle, and app.destroy() with releaseGlobalResources. Triggers on: Application, app.init, app.stage, app.renderer, app.canvas, app.screen, app.domContainerRoot, ApplicationOptions, ApplicationPlugin, ExtensionType.Application, resizeTo, sharedTicker, skipExtensionImports, preferWebGLVersion, preserveDrawingBuffer, cullable, CullerPlugin, app.start, app.stop, app.destroy, releaseGlobalResources.其他6258pixijs-performancepixijs/pixijs-skillsUse this skill when profiling or optimizing a PixiJS v8 app for FPS, draw calls, or GPU memory. Covers destroy patterns (cacheAsTexture(false), releaseGlobalResources), GCSystem and TextureGCSystem, PrepareSystem, object pooling, batching rules, BitmapText for dynamic text, culling (Culler, CullerPlugin, cullable, cullArea), resolution/antialias tradeoffs, low-level wins (transient MSAA render textures, render bundles, partial buffer updates). Triggers on: FPS, jank, draw calls, batching, object pool, GCSystem, PrepareSystem, Culler, cacheAsTexture, memory leak, destroy patterns, render bundle, transient, MSAA, Buffer.update, WebGPU performance, TexturePool, repeatEdgePixels, bind group.设计与多媒体6246pixijs-core-conceptspixijs/pixijs-skillsUse this skill when understanding how PixiJS v8 renders frames: the systems-and-pipes renderer, the render loop, and how the library adapts to different environments. Covers WebGLRenderer/WebGPURenderer/CanvasRenderer selection, renderer.render() pipeline, environment detection, rendering into RenderTextures and RenderTargets (flipY, mipLevel, layer, bind/push/pop, copyDepthTexture), WebGL context loss and WebGPU device loss recovery, and pointers to per-topic deep dives. Triggers on: renderer, WebGL, WebGPU, Canvas, render loop, render pipeline, systems, environments, autoDetectRenderer, RenderTexture, RenderTarget, render to texture, flipY, mipLevel, layer, 3D texture, depth slice, renderTarget.bind, copyToTexture, copyDepthTexture, depth-only, WebGLLoader, WebGPULoader, CanvasLoader, RendererLoader, lazy-load renderer systems, code splitting, context lost, webglcontextlost, device lost, GPUDevice.lost.设计与多媒体6195pixijs-scene-graphicspixijs/pixijs-skillsUse this skill when drawing vector shapes and paths in PixiJS v8. 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Covers Assets.init, Assets.load/add/unload, bundles, manifests, background loading, onProgress, caching, spritesheets, video textures, web fonts, bitmap fonts, animated GIFs, compressed textures, SVG as texture or Graphics, resolution detection, per-asset data options, and forcing a specific loader with the parser field (for extension-less URLs). Triggers on: Assets, Assets.load, Assets.init, loadBundle, manifest, backgroundLoad, Spritesheet, Cache, LoadOptions, unload, parser, loadParser, loadWebFont, loadBitmapFont, loadVideoTextures, GifSource, VideoSourceOptions.设计与多媒体6168