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.fr…
