Use blocked scoped variables
In addition to using const and let, this also upgrades our linter config and removes lint (mostly whitespace).
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@@ -27,7 +27,7 @@ import _ol_webgl_Buffer_ from '../../webgl/Buffer.js';
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* @param {ol.layer.Tile} tileLayer Tile layer.
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* @api
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*/
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var WebGLTileLayerRenderer = function(mapRenderer, tileLayer) {
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const WebGLTileLayerRenderer = function(mapRenderer, tileLayer) {
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WebGLLayerRenderer.call(this, mapRenderer, tileLayer);
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@@ -108,8 +108,8 @@ WebGLTileLayerRenderer['handles'] = function(type, layer) {
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*/
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WebGLTileLayerRenderer['create'] = function(mapRenderer, layer) {
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return new WebGLTileLayerRenderer(
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/** @type {ol.renderer.webgl.Map} */ (mapRenderer),
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/** @type {ol.layer.Tile} */ (layer)
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/** @type {ol.renderer.webgl.Map} */ (mapRenderer),
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/** @type {ol.layer.Tile} */ (layer)
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);
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};
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@@ -118,7 +118,7 @@ WebGLTileLayerRenderer['create'] = function(mapRenderer, layer) {
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* @inheritDoc
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*/
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WebGLTileLayerRenderer.prototype.disposeInternal = function() {
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var context = this.mapRenderer.getContext();
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const context = this.mapRenderer.getContext();
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context.deleteBuffer(this.renderArrayBuffer_);
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WebGLLayerRenderer.prototype.disposeInternal.call(this);
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};
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@@ -128,7 +128,7 @@ WebGLTileLayerRenderer.prototype.disposeInternal = function() {
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* @inheritDoc
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*/
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WebGLTileLayerRenderer.prototype.createLoadedTileFinder = function(source, projection, tiles) {
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var mapRenderer = this.mapRenderer;
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const mapRenderer = this.mapRenderer;
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return (
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/**
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@@ -138,7 +138,7 @@ WebGLTileLayerRenderer.prototype.createLoadedTileFinder = function(source, proje
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*/
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function(zoom, tileRange) {
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function callback(tile) {
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var loaded = mapRenderer.isTileTextureLoaded(tile);
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const loaded = mapRenderer.isTileTextureLoaded(tile);
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if (loaded) {
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if (!tiles[zoom]) {
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tiles[zoom] = {};
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@@ -166,47 +166,47 @@ WebGLTileLayerRenderer.prototype.handleWebGLContextLost = function() {
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*/
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WebGLTileLayerRenderer.prototype.prepareFrame = function(frameState, layerState, context) {
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var mapRenderer = this.mapRenderer;
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var gl = context.getGL();
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const mapRenderer = this.mapRenderer;
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const gl = context.getGL();
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var viewState = frameState.viewState;
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var projection = viewState.projection;
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const viewState = frameState.viewState;
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const projection = viewState.projection;
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var tileLayer = /** @type {ol.layer.Tile} */ (this.getLayer());
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var tileSource = tileLayer.getSource();
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var tileGrid = tileSource.getTileGridForProjection(projection);
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var z = tileGrid.getZForResolution(viewState.resolution);
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var tileResolution = tileGrid.getResolution(z);
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const tileLayer = /** @type {ol.layer.Tile} */ (this.getLayer());
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const tileSource = tileLayer.getSource();
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const tileGrid = tileSource.getTileGridForProjection(projection);
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const z = tileGrid.getZForResolution(viewState.resolution);
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const tileResolution = tileGrid.getResolution(z);
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var tilePixelSize =
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const tilePixelSize =
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tileSource.getTilePixelSize(z, frameState.pixelRatio, projection);
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var pixelRatio = tilePixelSize[0] /
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const pixelRatio = tilePixelSize[0] /
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_ol_size_.toSize(tileGrid.getTileSize(z), this.tmpSize_)[0];
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var tilePixelResolution = tileResolution / pixelRatio;
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var tileGutter = tileSource.getTilePixelRatio(pixelRatio) * tileSource.getGutter(projection);
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const tilePixelResolution = tileResolution / pixelRatio;
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const tileGutter = tileSource.getTilePixelRatio(pixelRatio) * tileSource.getGutter(projection);
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var center = viewState.center;
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var extent = frameState.extent;
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var tileRange = tileGrid.getTileRangeForExtentAndZ(extent, z);
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const center = viewState.center;
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const extent = frameState.extent;
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const tileRange = tileGrid.getTileRangeForExtentAndZ(extent, z);
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var framebufferExtent;
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let framebufferExtent;
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if (this.renderedTileRange_ &&
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this.renderedTileRange_.equals(tileRange) &&
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this.renderedRevision_ == tileSource.getRevision()) {
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framebufferExtent = this.renderedFramebufferExtent_;
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} else {
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var tileRangeSize = tileRange.getSize();
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const tileRangeSize = tileRange.getSize();
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var maxDimension = Math.max(
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tileRangeSize[0] * tilePixelSize[0],
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tileRangeSize[1] * tilePixelSize[1]);
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var framebufferDimension = roundUpToPowerOfTwo(maxDimension);
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var framebufferExtentDimension = tilePixelResolution * framebufferDimension;
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var origin = tileGrid.getOrigin(z);
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var minX = origin[0] +
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const maxDimension = Math.max(
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tileRangeSize[0] * tilePixelSize[0],
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tileRangeSize[1] * tilePixelSize[1]);
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const framebufferDimension = roundUpToPowerOfTwo(maxDimension);
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const framebufferExtentDimension = tilePixelResolution * framebufferDimension;
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const origin = tileGrid.getOrigin(z);
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const minX = origin[0] +
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tileRange.minX * tilePixelSize[0] * tilePixelResolution;
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var minY = origin[1] +
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const minY = origin[1] +
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tileRange.minY * tilePixelSize[1] * tilePixelResolution;
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framebufferExtent = [
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minX, minY,
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@@ -220,7 +220,7 @@ WebGLTileLayerRenderer.prototype.prepareFrame = function(frameState, layerState,
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gl.clear(_ol_webgl_.COLOR_BUFFER_BIT);
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gl.disable(_ol_webgl_.BLEND);
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var program = context.getProgram(this.fragmentShader_, this.vertexShader_);
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const program = context.getProgram(this.fragmentShader_, this.vertexShader_);
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context.useProgram(program);
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if (!this.locations_) {
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this.locations_ = new _ol_renderer_webgl_tilelayershader_Locations_(gl, program);
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@@ -229,27 +229,27 @@ WebGLTileLayerRenderer.prototype.prepareFrame = function(frameState, layerState,
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context.bindBuffer(_ol_webgl_.ARRAY_BUFFER, this.renderArrayBuffer_);
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gl.enableVertexAttribArray(this.locations_.a_position);
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gl.vertexAttribPointer(
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this.locations_.a_position, 2, _ol_webgl_.FLOAT, false, 16, 0);
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this.locations_.a_position, 2, _ol_webgl_.FLOAT, false, 16, 0);
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gl.enableVertexAttribArray(this.locations_.a_texCoord);
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gl.vertexAttribPointer(
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this.locations_.a_texCoord, 2, _ol_webgl_.FLOAT, false, 16, 8);
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this.locations_.a_texCoord, 2, _ol_webgl_.FLOAT, false, 16, 8);
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gl.uniform1i(this.locations_.u_texture, 0);
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/**
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* @type {Object.<number, Object.<string, ol.Tile>>}
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*/
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var tilesToDrawByZ = {};
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const tilesToDrawByZ = {};
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tilesToDrawByZ[z] = {};
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var findLoadedTiles = this.createLoadedTileFinder(
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tileSource, projection, tilesToDrawByZ);
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const findLoadedTiles = this.createLoadedTileFinder(
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tileSource, projection, tilesToDrawByZ);
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var useInterimTilesOnError = tileLayer.getUseInterimTilesOnError();
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var allTilesLoaded = true;
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var tmpExtent = createEmpty();
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var tmpTileRange = new TileRange(0, 0, 0, 0);
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var childTileRange, drawable, fullyLoaded, tile, tileState;
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var x, y, tileExtent;
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const useInterimTilesOnError = tileLayer.getUseInterimTilesOnError();
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let allTilesLoaded = true;
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const tmpExtent = createEmpty();
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const tmpTileRange = new TileRange(0, 0, 0, 0);
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let childTileRange, drawable, fullyLoaded, tile, tileState;
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let x, y, tileExtent;
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for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
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for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
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@@ -282,10 +282,10 @@ WebGLTileLayerRenderer.prototype.prepareFrame = function(frameState, layerState,
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allTilesLoaded = false;
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fullyLoaded = tileGrid.forEachTileCoordParentTileRange(
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tile.tileCoord, findLoadedTiles, null, tmpTileRange, tmpExtent);
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tile.tileCoord, findLoadedTiles, null, tmpTileRange, tmpExtent);
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if (!fullyLoaded) {
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childTileRange = tileGrid.getTileCoordChildTileRange(
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tile.tileCoord, tmpTileRange, tmpExtent);
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tile.tileCoord, tmpTileRange, tmpExtent);
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if (childTileRange) {
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findLoadedTiles(z + 1, childTileRange);
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}
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@@ -296,10 +296,10 @@ WebGLTileLayerRenderer.prototype.prepareFrame = function(frameState, layerState,
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}
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/** @type {Array.<number>} */
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var zs = Object.keys(tilesToDrawByZ).map(Number);
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const zs = Object.keys(tilesToDrawByZ).map(Number);
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zs.sort(numberSafeCompareFunction);
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var u_tileOffset = new Float32Array(4);
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var i, ii, tileKey, tilesToDraw;
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const u_tileOffset = new Float32Array(4);
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let i, ii, tileKey, tilesToDraw;
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for (i = 0, ii = zs.length; i < ii; ++i) {
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tilesToDraw = tilesToDrawByZ[zs[i]];
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for (tileKey in tilesToDraw) {
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@@ -315,7 +315,7 @@ WebGLTileLayerRenderer.prototype.prepareFrame = function(frameState, layerState,
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framebufferExtentDimension - 1;
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gl.uniform4fv(this.locations_.u_tileOffset, u_tileOffset);
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mapRenderer.bindTileTexture(tile, tilePixelSize,
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tileGutter * pixelRatio, _ol_webgl_.LINEAR, _ol_webgl_.LINEAR);
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tileGutter * pixelRatio, _ol_webgl_.LINEAR, _ol_webgl_.LINEAR);
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gl.drawArrays(_ol_webgl_.TRIANGLE_STRIP, 0, 4);
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}
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}
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@@ -334,41 +334,41 @@ WebGLTileLayerRenderer.prototype.prepareFrame = function(frameState, layerState,
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}
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this.updateUsedTiles(frameState.usedTiles, tileSource, z, tileRange);
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var tileTextureQueue = mapRenderer.getTileTextureQueue();
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const tileTextureQueue = mapRenderer.getTileTextureQueue();
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this.manageTilePyramid(
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frameState, tileSource, tileGrid, pixelRatio, projection, extent, z,
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tileLayer.getPreload(),
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/**
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frameState, tileSource, tileGrid, pixelRatio, projection, extent, z,
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tileLayer.getPreload(),
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/**
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* @param {ol.Tile} tile Tile.
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*/
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function(tile) {
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if (tile.getState() == TileState.LOADED &&
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function(tile) {
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if (tile.getState() == TileState.LOADED &&
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!mapRenderer.isTileTextureLoaded(tile) &&
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!tileTextureQueue.isKeyQueued(tile.getKey())) {
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tileTextureQueue.enqueue([
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tile,
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tileGrid.getTileCoordCenter(tile.tileCoord),
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tileGrid.getResolution(tile.tileCoord[0]),
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tilePixelSize, tileGutter * pixelRatio
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]);
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}
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}, this);
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tileTextureQueue.enqueue([
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tile,
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tileGrid.getTileCoordCenter(tile.tileCoord),
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tileGrid.getResolution(tile.tileCoord[0]),
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tilePixelSize, tileGutter * pixelRatio
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]);
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}
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}, this);
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this.scheduleExpireCache(frameState, tileSource);
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var texCoordMatrix = this.texCoordMatrix;
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const texCoordMatrix = this.texCoordMatrix;
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_ol_transform_.reset(texCoordMatrix);
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_ol_transform_.translate(texCoordMatrix,
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(Math.round(center[0] / tileResolution) * tileResolution - framebufferExtent[0]) /
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(Math.round(center[0] / tileResolution) * tileResolution - framebufferExtent[0]) /
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(framebufferExtent[2] - framebufferExtent[0]),
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(Math.round(center[1] / tileResolution) * tileResolution - framebufferExtent[1]) /
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(Math.round(center[1] / tileResolution) * tileResolution - framebufferExtent[1]) /
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(framebufferExtent[3] - framebufferExtent[1]));
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if (viewState.rotation !== 0) {
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_ol_transform_.rotate(texCoordMatrix, viewState.rotation);
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}
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_ol_transform_.scale(texCoordMatrix,
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frameState.size[0] * viewState.resolution /
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frameState.size[0] * viewState.resolution /
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(framebufferExtent[2] - framebufferExtent[0]),
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frameState.size[1] * viewState.resolution /
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frameState.size[1] * viewState.resolution /
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(framebufferExtent[3] - framebufferExtent[1]));
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_ol_transform_.translate(texCoordMatrix, -0.5, -0.5);
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@@ -384,21 +384,21 @@ WebGLTileLayerRenderer.prototype.forEachLayerAtPixel = function(pixel, frameStat
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return undefined;
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}
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var pixelOnMapScaled = [
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const pixelOnMapScaled = [
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pixel[0] / frameState.size[0],
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(frameState.size[1] - pixel[1]) / frameState.size[1]];
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var pixelOnFrameBufferScaled = _ol_transform_.apply(
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this.texCoordMatrix, pixelOnMapScaled.slice());
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var pixelOnFrameBuffer = [
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const pixelOnFrameBufferScaled = _ol_transform_.apply(
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this.texCoordMatrix, pixelOnMapScaled.slice());
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const pixelOnFrameBuffer = [
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pixelOnFrameBufferScaled[0] * this.framebufferDimension,
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pixelOnFrameBufferScaled[1] * this.framebufferDimension];
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var gl = this.mapRenderer.getContext().getGL();
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const gl = this.mapRenderer.getContext().getGL();
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gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
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var imageData = new Uint8Array(4);
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const imageData = new Uint8Array(4);
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gl.readPixels(pixelOnFrameBuffer[0], pixelOnFrameBuffer[1], 1, 1,
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gl.RGBA, gl.UNSIGNED_BYTE, imageData);
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gl.RGBA, gl.UNSIGNED_BYTE, imageData);
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if (imageData[3] > 0) {
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return callback.call(thisArg, this.getLayer(), imageData);
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