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Merge pull request #10198 from jahow/fix-webgl-renderer-loading-extent

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WebGL renderer / use the specified loading strategy for the vector data
This commit is contained in:
Olivier Guyot
2019-10-28 16:19:52 +01:00
committed by GitHub
parent c7161acb6a 80b4473180
commit f84fae8f70
3 changed files with 57 additions and 25 deletions
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32
test/spec/ol/renderer/webgl/pointslayer.test.js
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@@ -104,7 +104,8 @@ describe('ol.renderer.webgl.PointsLayer', function() {
beforeEach(function() {
layer = new VectorLayer({
source: new VectorSource()
source: new VectorSource(),
renderBuffer: 10
});
renderer = new WebGLPointsLayerRenderer(layer, {
vertexShader: simpleVertexShader,
@@ -233,6 +234,35 @@ describe('ol.renderer.webgl.PointsLayer', function() {
renderer.prepareFrame(frameState);
expect(spy.callCount).to.be(2);
});
it('triggers source loading when the extent changes', function() {
const spy = sinon.spy(layer.getSource(), 'loadFeatures');
renderer.prepareFrame(frameState);
expect(spy.callCount).to.be(1);
renderer.prepareFrame(frameState);
expect(spy.callCount).to.be(1);
frameState.extent = [10, 20, 30, 40];
renderer.prepareFrame(frameState);
expect(spy.callCount).to.be(2);
expect(spy.getCall(1).args[0]).to.eql([0, 10, 40, 50]); // renderBuffer is 10
});
it('triggers source loading when the source revision changes', function() {
const spy = sinon.spy(layer.getSource(), 'loadFeatures');
renderer.prepareFrame(frameState);
expect(spy.callCount).to.be(1);
renderer.prepareFrame(frameState);
expect(spy.callCount).to.be(1);
layer.getSource().changed();
renderer.prepareFrame(frameState);
expect(spy.callCount).to.be(2);
});
});
describe('#forEachFeatureAtCoordinate', function() {