impr: Use Immediates in examples

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Resolution Time Benchmark

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xychart
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  line [0.92, 1.89, 4.31, 6.62, 7.97, 12.35, 23.98, 24.64]

Loading

---
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  title "Linear Recursion (🔴 PR | 🔵 main | 🟢 release)"
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  line [0.28, 0.49, 0.66, 0.77, 1.07, 1.11, 1.32, 1.49]
  line [0.30, 0.54, 0.72, 0.84, 1.16, 1.30, 1.54, 1.58]

Loading

---
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Loading

[github-actions]

Bundle size comparison (import * as ... in PR vs import * as ... in target):

🟢 Decreased	➖ Unchanged	🔴 Increased	❔ Unknown
0	322	0	0

import { ... } in PR vs import * as ... in PR (is the library tree-Shakeable?):

Test	tsdown
tgpu_init.ts	271.67 kB ($${\color{green}-3.4\%}$$)
tgpu_initFromDevice.ts	271.14 kB ($${\color{green}-3.6\%}$$)
tgpu_resolve.ts	168.87 kB ($${\color{green}-40.0\%}$$)
tgpu_resolveWithContext.ts	168.80 kB ($${\color{green}-40.0\%}$$)
tgpu_bindGroupLayout.ts	73.83 kB ($${\color{green}-73.8\%}$$)
tgpu_mutableAccessor.ts	68.55 kB ($${\color{green}-75.6\%}$$)
tgpu_accessor.ts	68.55 kB ($${\color{green}-75.6\%}$$)
tgpu_privateVar.ts	67.24 kB ($${\color{green}-76.1\%}$$)
tgpu_workgroupVar.ts	67.24 kB ($${\color{green}-76.1\%}$$)
tgpu_const.ts	66.66 kB ($${\color{green}-76.3\%}$$)
tgpu_lazy.ts	66.46 kB ($${\color{green}-76.4\%}$$)
tgpu_fragmentFn.ts	38.96 kB ($${\color{green}-86.2\%}$$)
tgpu_fn.ts	38.90 kB ($${\color{green}-86.2\%}$$)
tgpu_vertexFn.ts	38.78 kB ($${\color{green}-86.2\%}$$)
tgpu_computeFn.ts	38.48 kB ($${\color{green}-86.3\%}$$)
tgpu_vertexLayout.ts	27.61 kB ($${\color{green}-90.2\%}$$)
tgpu_comptime.ts	15.22 kB ($${\color{green}-94.6\%}$$)
tgpu_unroll.ts	1.75 kB ($${\color{green}-99.4\%}$$)
tgpu_slot.ts	1.70 kB ($${\color{green}-99.4\%}$$)

If you wish to run a comparison for other, slower bundlers, run the 'Tree-shake test' from the GitHub Actions menu.

[pullfrog]

ℹ️ No critical issues — one minor suggestion inline.

Reviewed changes

• Lighting shaders — replaced DSL chains (.mul/.sub/.div) and tgpu.fn with 'use gpu' bodies using infix operators and direct accessor reads; depthToColor is now a plain TS 'use gpu' fn.
• PointLight immediates — dropped the six shadow Cameras in favor of a tgpu.accessor(d.mat4x4f) fed by immediateVar + pass.setImmediates, with a per-face uniform-bind-group fallback when immediate_address_space is unsupported.
• Render loop — moved to an explicit root['~unstable'].createCommandEncoder() with hand-rolled passes; destroyed depthTexture/msaaTexture on resize; scene._instanceBuffer now destroyed before rebuild.
• Camera / types — CameraData struct replaced by a single d.mat4x4f viewProj uniform (dropped unused inverseViewProjectionMatrix).
• box-geometry — model matrix built with wgpu-matrix (quat.fromEuler(…, 'zyx') + mat4.fromQuat/setTranslation/scale); verified equivalent to the old T*Rz*Ry*Rx*S chain.
• Snapshot test — updated WGSL inline snapshot (immediate path).

I verified the two things that looked risky: pointLight.positionUniform.$ needs no explicit bind group (TypeGPU's auto-generated catch-all bind group covers it, see resolutionCtx.ts), and the wgpu-matrix fromEuler('zyx') quaternion is exactly qz⊗qy⊗qx, i.e. the same rotation the old rotationZ().mul(rotationY()).mul(rotationX()) chain produced.

  ^{｜ Fix all ➔ ｜ Fix 👍s ➔ ｜ View workflow run ｜ Using DeepSeek Flash (free via Pullfrog for OSS) ｜ 𝕏}

[pullfrog]

The uniform fallback branch (here and #faceUniforms/#faceBindGroups) is only exercised when immediate_address_space isn't supported, but the updated snapshot test in point-light-shadow.test.ts only covers the immediate path (var<immediate> item: mat4x4f). Since this example will run on devices without the extension, the fallback is the only code path there — worth a quick manual check (or a second snapshot) that it renders, as the current test would not catch a regression in it.