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WebGL points / rebuild buffers on every non animation frame

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This commit is contained in:
Olivier Guyot
2019-05-14 15:07:46 +02:00
parent c6d214b585
commit 523097903a
3 changed files with 81 additions and 30 deletions
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test/spec/ol/renderer/webgl/pointslayer.test.js
+21 -1
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@@ -6,6 +6,7 @@ import VectorSource from '../../../../../src/ol/source/Vector.js';
import WebGLPointsLayerRenderer from '../../../../../src/ol/renderer/webgl/PointsLayer';
import {get as getProjection} from '../../../../../src/ol/proj';
import Polygon from '../../../../../src/ol/geom/Polygon';
import ViewHint from '../../../../../src/ol/ViewHint';
describe('ol.renderer.webgl.PointsLayer', function() {
@@ -53,7 +54,8 @@ describe('ol.renderer.webgl.PointsLayer', function() {
rotation: 0,
center: [10, 10]
},
size: [256, 256]
size: [256, 256],
extent: [-100, -100, 100, 100]
};
});
@@ -103,6 +105,24 @@ describe('ol.renderer.webgl.PointsLayer', function() {
expect(renderer.indicesBuffer_.getArray().length).to.eql(6);
});
it('rebuilds the buffers only when not interacting or animating', function() {
const spy = sinon.spy(renderer, 'rebuildBuffers_');
frameState.viewHints[ViewHint.INTERACTING] = 1;
frameState.viewHints[ViewHint.ANIMATING] = 0;
renderer.prepareFrame(frameState);
expect(spy.called).to.be(false);
frameState.viewHints[ViewHint.INTERACTING] = 0;
frameState.viewHints[ViewHint.ANIMATING] = 1;
renderer.prepareFrame(frameState);
expect(spy.called).to.be(false);
frameState.viewHints[ViewHint.INTERACTING] = 0;
frameState.viewHints[ViewHint.ANIMATING] = 0;
renderer.prepareFrame(frameState);
expect(spy.called).to.be(true);
});
});
});