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Strip core to render data and render graphs

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Move glTF, picking, camera controls, and conventional handles into addons. Keep camera and material mutations in SIMD-aligned shared SOA rows and synchronize material updates directly into GPU buffers.

Amp-Thread-ID: https://ampcode.com/threads/T-01a01380-b478-77d0-84a0-102880a5c5ae
Co-authored-by: Heaust Azure <heaust.azure@gmail.com>
This commit is contained in:
Amp
2026-08-19 09:41:41 +00:00
co-authored by heaust
parent 0e44917f9e
commit 6bbf8039e4
67 changed files with 3152 additions and 3669 deletions
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addons/gltf-import/src/index.js
+30 -5
View File
@@ -6,7 +6,31 @@ export class GltfImportError extends Error {
}
}
/** Fetches glTF in a dedicated worker and commits only shared-memory upload metadata. */
function frameCamera(core, bounds, framing) {
if (!bounds || framing === false) return;
if (framing !== undefined && framing !== "exterior" && framing !== "interior")
throw new TypeError("framing must be exterior, interior, or false");
const min = bounds.min, max = bounds.max;
if (!Array.isArray(min) || !Array.isArray(max) || min.length !== 3 || max.length !== 3) return;
const center = min.map((value, axis) => (value + max[axis]) * 0.5);
const extent = max.map((value, axis) => value - min[axis]);
const radius = Math.max(1, Math.hypot(...extent) * 0.5);
const camera = core.array("camera.state");
const state = camera.read(0);
const interior = framing === "interior";
const eye = interior
? [center[0], center[1] + radius * 0.05, center[2]]
: [center[0] + radius * 1.8, center[1] + radius * 1.4, center[2] + radius * 1.8];
const target = interior ? [center[0] + radius, center[1], center[2]] : center;
state.splice(0, 3, ...eye);
state.splice(4, 3, ...target);
state.splice(8, 3, 0, 1, 0);
state[14] = Math.max(radius * 0.001, 0.1);
state[15] = Math.max(radius * 6, 1.1);
camera.write(0, state);
}
/** Parses glTF in a dedicated worker and publishes a generic render-data packet through shared memory. */
export class GltfImporter {
#core;
#worker;
@@ -16,7 +40,8 @@ export class GltfImporter {
#disposed = false;
constructor(core, { workerFactory } = {}) {
if (!core?.allocateArray || !core?.commitGlbUpload) throw new TypeError("core must implement the Yawn shared upload protocol");
if (!core?.allocateArray || !core?.commitRenderDataUpload)
throw new TypeError("core must implement the Yawn shared render-data protocol");
this.#core = core;
this.#worker = workerFactory
? workerFactory()
@@ -55,7 +80,7 @@ export class GltfImporter {
if (message.type === "allocate") {
const length = Math.ceil(message.byteLength / 16);
pending.array = await this.#core.allocateArray({
name: "upload.gltf",
name: "upload.renderData",
domain: "fixed",
scalar: "u32",
lanes: 4,
@@ -68,11 +93,11 @@ export class GltfImporter {
...pending.array.share(),
});
} else if (message.type === "ready") {
const result = await this.#core.commitGlbUpload(
const result = await this.#core.commitRenderDataUpload(
pending.array,
message.byteLength,
pending.options,
);
frameCamera(this.#core, result.bounds, pending.options.framing);
this.#pending.delete(message.request);
pending.resolve(result);
} else if (message.type === "error") {