71 lines
2.0 KiB
JavaScript
71 lines
2.0 KiB
JavaScript
import {create} from '../../../../src/ol/worker/webgl.js';
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import {
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POINT_INSTRUCTIONS_COUNT,
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WebGLWorkerMessageType
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} from '../../../../src/ol/renderer/webgl/Layer.js';
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describe('ol/worker/webgl', function() {
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let worker;
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beforeEach(function() {
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worker = create();
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});
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afterEach(function() {
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if (worker) {
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worker.terminate();
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}
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worker = null;
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});
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describe('messaging', function() {
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describe('GENERATE_BUFFERS', function() {
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it('responds with buffer data', function(done) {
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worker.addEventListener('error', done);
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worker.addEventListener('message', function(event) {
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expect(event.data.type).to.eql(WebGLWorkerMessageType.GENERATE_BUFFERS);
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expect(event.data.renderInstructions.byteLength).to.greaterThan(0);
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expect(event.data.indexBuffer.byteLength).to.greaterThan(0);
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expect(event.data.vertexBuffer.byteLength).to.greaterThan(0);
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expect(event.data.testInt).to.be(101);
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expect(event.data.testString).to.be('abcd');
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done();
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});
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const instructions = new Float32Array(POINT_INSTRUCTIONS_COUNT);
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const message = {
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type: WebGLWorkerMessageType.GENERATE_BUFFERS,
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renderInstructions: instructions,
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testInt: 101,
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testString: 'abcd'
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};
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worker.postMessage(message);
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});
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it('responds with buffer data (fallback to Uint16Array)', function(done) {
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worker.addEventListener('error', done);
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worker.addEventListener('message', function(event) {
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expect(event.data.indexBuffer).to.eql(Uint16Array.BYTES_PER_ELEMENT * 6);
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done();
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});
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const instructions = new Float32Array(POINT_INSTRUCTIONS_COUNT);
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const message = {
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type: WebGLWorkerMessageType.GENERATE_BUFFERS,
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renderInstructions: instructions,
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useShortIndices: true
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};
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worker.postMessage(message);
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});
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});
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});
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});
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