126 lines
3.9 KiB
JavaScript
126 lines
3.9 KiB
JavaScript
const assert = require('assert').strict;
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const clusterizer = require('./meshopt_clusterizer.js');
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process.on('unhandledRejection', (error) => {
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console.log('unhandledRejection', error);
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process.exit(1);
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});
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const cubeWithNormals = {
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vertices: new Float32Array([
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// n = (0, 0, 1)
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-1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, -1.0, 1.0, 1.0, 0.0, 0.0, 1.0,
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// n = (0, 0, -1)
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-1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 1.0, -1.0, -1.0, 0.0, 0.0, -1.0, -1.0, -1.0, -1.0, 0.0, 0.0, -1.0,
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// n = (1, 0, 0)
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1.0, -1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, -1.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 1.0, 0.0, 0.0, 1.0, -1.0, 1.0, 1.0, 0.0, 0.0,
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// n = (-1, 0, 0)
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-1.0, -1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 1.0, 1.0, -1.0, 0.0, 0.0, -1.0, 1.0, -1.0, -1.0, 0.0, 0.0, -1.0, -1.0, -1.0, -1.0, 0.0, 0.0,
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// n = (0, 1, 0)
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1.0, 1.0, -1.0, 0.0, 1.0, 0.0, -1.0, 1.0, -1.0, 0.0, 1.0, 0.0, -1.0, 1.0, 1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 1.0, 0.0, 1.0, 0.0,
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// n = (0, -1, 0)
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1.0, -1.0, 1.0, 0.0, -1.0, 0.0, -1.0, -1.0, 1.0, 0.0, -1.0, 0.0, -1.0, -1.0, -1.0, 0.0, -1.0, 0.0, 1.0, -1.0, -1.0, 0.0, -1.0, 0.0,
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]),
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indices: new Uint32Array([
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// n = (0, 0, 1)
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0, 1, 2, 2, 3, 0,
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// n = (0, 0, -1)
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4, 5, 6, 6, 7, 4,
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// n = (1, 0, 0)
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8, 9, 10, 10, 11, 8,
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// n = (-1, 0, 0)
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12, 13, 14, 14, 15, 12,
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// n = (0, 1, 0)
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16, 17, 18, 18, 19, 16,
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// n = (0, -1, 0)
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20, 21, 22, 22, 23, 20,
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]),
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vertexStride: 6, // in floats
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};
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const tests = {
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buildMeshlets: function () {
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const maxVertices = 4;
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const buffers = clusterizer.buildMeshlets(cubeWithNormals.indices, cubeWithNormals.vertices, cubeWithNormals.vertexStride, maxVertices, 512);
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const expectedVertices = [
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new Uint32Array([2, 3, 0, 1]),
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new Uint32Array([12, 13, 14, 15]),
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new Uint32Array([6, 7, 4, 5]),
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new Uint32Array([16, 17, 18, 19]),
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new Uint32Array([8, 9, 10, 11]),
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new Uint32Array([22, 23, 20, 21]),
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];
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const expectedTriangles = new Uint8Array([0, 1, 2, 2, 3, 0]);
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assert.equal(buffers.meshletCount, 6);
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for (let i = 0; i < buffers.meshletCount; ++i) {
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const m = clusterizer.extractMeshlet(buffers, i);
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assert.deepStrictEqual(m.vertices, expectedVertices[i]);
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assert.deepStrictEqual(m.triangles, expectedTriangles);
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}
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},
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computeClusterBounds: function () {
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for (let i = 0; i < 6; ++i) {
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const indexOffset = i * 6;
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const normalOffset = i * 4 * cubeWithNormals.vertexStride;
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const bounds = clusterizer.computeClusterBounds(
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cubeWithNormals.indices.subarray(indexOffset, 6 + indexOffset),
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cubeWithNormals.vertices,
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cubeWithNormals.vertexStride
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);
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assert.deepStrictEqual(
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new Int32Array([bounds.coneAxisX, bounds.coneAxisY, bounds.coneAxisZ]),
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new Int32Array(cubeWithNormals.vertices.subarray(3 + normalOffset, 6 + normalOffset))
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);
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}
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},
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computeMeshletBounds: function () {
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const maxVertices = 4;
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const buffers = clusterizer.buildMeshlets(cubeWithNormals.indices, cubeWithNormals.vertices, cubeWithNormals.vertexStride, maxVertices, 512);
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const expectedNormals = [
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new Int32Array([0, 0, 1]),
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new Int32Array([-1, 0, 0]),
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new Int32Array([0, 0, -1]),
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new Int32Array([0, 1, 0]),
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new Int32Array([1, 0, 0]),
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new Int32Array([0, -1, 0]),
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];
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const bounds = clusterizer.computeMeshletBounds(buffers, cubeWithNormals.vertices, cubeWithNormals.vertexStride);
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assert(bounds.length === 6);
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assert(bounds.length === buffers.meshletCount);
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bounds.forEach((b, i) => {
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const normal = new Int32Array([b.coneAxisX, b.coneAxisY, b.coneAxisZ]);
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assert.deepStrictEqual(normal, expectedNormals[i]);
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});
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},
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};
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clusterizer.ready.then((_) => {
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let passed = 0;
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let failed = 0;
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for (const key in tests) {
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try {
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tests[key]();
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++passed;
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} catch (e) {
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console.error(e);
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++failed;
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}
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}
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if (failed === 0) {
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console.log(passed, 'tests passed');
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} else {
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console.log(passed, 'tests passed &', failed, 'tests failed');
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}
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});
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