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Webgl / implement support for custom attributes in webgl buffers

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Only numerical attributes can be pushed in webgl buffers.
This commit is contained in:
Olivier Guyot
2019-05-14 14:17:55 +02:00
parent 27e520add4
commit c6d214b585
2 changed files with 50 additions and 7 deletions
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26
test/spec/ol/renderer/webgl/layer.test.js
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@@ -107,6 +107,32 @@ describe('ol.renderer.webgl.Layer', function() {
expect(indexBuffer.getArray()[10]).to.eql(6);
expect(indexBuffer.getArray()[11]).to.eql(7);
});
it('correctly adds custom attributes', function() {
const feature = {
type: "Feature",
id: "AFG",
properties: {
color: [0.5, 1, 0.2, 0.7],
custom: 4,
customString: '5',
custom2: 12.4,
customString2: 'abc'
},
geometry: {
type: "Point",
coordinates: [ -75, 47 ]
}
};
const attributePerVertex = 16;
pushFeatureInBuffer(vertexBuffer, indexBuffer, feature, ['custom', 'custom2', 'customString', 'customString2']);
expect(vertexBuffer.getArray().length).to.eql(attributePerVertex * 4);
expect(indexBuffer.getArray().length).to.eql(6);
expect(vertexBuffer.getArray()[12]).to.eql(4);
expect(vertexBuffer.getArray()[13]).to.eql(12.4);
expect(vertexBuffer.getArray()[14]).to.eql(5);
expect(vertexBuffer.getArray()[15]).to.eql(0);
});
});
describe('getBlankTexture', function() {