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Stop preparing new tiles when out of frame time budget

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This commit is contained in:
ahocevar
2018-05-24 15:55:36 +02:00
parent d60987b33c
commit 690efda169
1 changed files with 5 additions and 2 deletions
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7
src/ol/renderer/canvas/TileLayer.js
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@@ -191,12 +191,17 @@ CanvasTileLayerRenderer.prototype.prepareFrame = function(frameState, layerState
const findLoadedTiles = this.createLoadedTileFinder(
tileSource, projection, tilesToDrawByZ);
const hints = frameState.viewHints;
const animatingOrInteracting = hints[ViewHint.ANIMATING] || hints[ViewHint.INTERACTING];
const tmpExtent = this.tmpExtent;
const tmpTileRange = this.tmpTileRange_;
this.newTiles_ = false;
let tile, x, y;
for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
if (Date.now() - frameState.time > 16 && animatingOrInteracting) {
continue;
}
tile = this.getTile(z, x, y, pixelRatio, projection);
if (this.isDrawableTile_(tile)) {
@@ -229,8 +234,6 @@ CanvasTileLayerRenderer.prototype.prepareFrame = function(frameState, layerState
}
const renderedResolution = tileResolution * pixelRatio / tilePixelRatio * oversampling;
const hints = frameState.viewHints;
const animatingOrInteracting = hints[ViewHint.ANIMATING] || hints[ViewHint.INTERACTING];
if (!(this.renderedResolution && Date.now() - frameState.time > 16 && animatingOrInteracting) && (
this.newTiles_ ||
!(this.renderedExtent_ && containsExtent(this.renderedExtent_, extent)) ||