Automated class transform
npx lebab --replace src --transform class
This commit is contained in:
Tim Schaub
+268
-264
@@ -29,30 +29,286 @@ import {createTexture} from '../../webgl/Context.js';
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* @param {module:ol/layer/Image} imageLayer Tile layer.
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* @api
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*/
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const WebGLImageLayerRenderer = function(mapRenderer, imageLayer) {
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class WebGLImageLayerRenderer {
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constructor(mapRenderer, imageLayer) {
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WebGLLayerRenderer.call(this, mapRenderer, imageLayer);
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WebGLLayerRenderer.call(this, mapRenderer, imageLayer);
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/**
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* The last rendered image.
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* @private
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* @type {?module:ol/ImageBase}
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*/
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this.image_ = null;
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/**
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* @private
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* @type {CanvasRenderingContext2D}
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*/
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this.hitCanvasContext_ = null;
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/**
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* @private
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* @type {?module:ol/transform~Transform}
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*/
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this.hitTransformationMatrix_ = null;
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}
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/**
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* The last rendered image.
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* @param {module:ol/ImageBase} image Image.
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* @private
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* @type {?module:ol/ImageBase}
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* @return {WebGLTexture} Texture.
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*/
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this.image_ = null;
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createTexture_(image) {
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// We meet the conditions to work with non-power of two textures.
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// http://www.khronos.org/webgl/wiki/WebGL_and_OpenGL_Differences#Non-Power_of_Two_Texture_Support
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// http://learningwebgl.com/blog/?p=2101
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const imageElement = image.getImage();
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const gl = this.mapRenderer.getGL();
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return createTexture(
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gl, imageElement, CLAMP_TO_EDGE, CLAMP_TO_EDGE);
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}
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/**
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* @private
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* @type {CanvasRenderingContext2D}
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* @inheritDoc
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*/
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this.hitCanvasContext_ = null;
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forEachFeatureAtCoordinate(coordinate, frameState, hitTolerance, callback, thisArg) {
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const layer = this.getLayer();
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const source = layer.getSource();
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const resolution = frameState.viewState.resolution;
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const rotation = frameState.viewState.rotation;
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const skippedFeatureUids = frameState.skippedFeatureUids;
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return source.forEachFeatureAtCoordinate(
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coordinate, resolution, rotation, hitTolerance, skippedFeatureUids,
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/**
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* @param {module:ol/Feature|module:ol/render/Feature} feature Feature.
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* @return {?} Callback result.
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*/
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function(feature) {
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return callback.call(thisArg, feature, layer);
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});
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}
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/**
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* @private
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* @type {?module:ol/transform~Transform}
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* @inheritDoc
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*/
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this.hitTransformationMatrix_ = null;
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prepareFrame(frameState, layerState, context) {
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};
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const gl = this.mapRenderer.getGL();
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const pixelRatio = frameState.pixelRatio;
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const viewState = frameState.viewState;
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const viewCenter = viewState.center;
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const viewResolution = viewState.resolution;
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const viewRotation = viewState.rotation;
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let image = this.image_;
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let texture = this.texture;
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const imageLayer = /** @type {module:ol/layer/Image} */ (this.getLayer());
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const imageSource = imageLayer.getSource();
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const hints = frameState.viewHints;
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let renderedExtent = frameState.extent;
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if (layerState.extent !== undefined) {
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renderedExtent = getIntersection(renderedExtent, layerState.extent);
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}
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if (!hints[ViewHint.ANIMATING] && !hints[ViewHint.INTERACTING] &&
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!isEmpty(renderedExtent)) {
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let projection = viewState.projection;
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if (!ENABLE_RASTER_REPROJECTION) {
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const sourceProjection = imageSource.getProjection();
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if (sourceProjection) {
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projection = sourceProjection;
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}
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}
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const image_ = imageSource.getImage(renderedExtent, viewResolution,
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pixelRatio, projection);
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if (image_) {
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const loaded = this.loadImage(image_);
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if (loaded) {
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image = image_;
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texture = this.createTexture_(image_);
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if (this.texture) {
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/**
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* @param {WebGLRenderingContext} gl GL.
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* @param {WebGLTexture} texture Texture.
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*/
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const postRenderFunction = function(gl, texture) {
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if (!gl.isContextLost()) {
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gl.deleteTexture(texture);
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}
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}.bind(null, gl, this.texture);
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frameState.postRenderFunctions.push(
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/** @type {module:ol/PluggableMap~PostRenderFunction} */ (postRenderFunction)
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);
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}
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}
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}
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}
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if (image) {
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const canvas = this.mapRenderer.getContext().getCanvas();
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this.updateProjectionMatrix_(canvas.width, canvas.height,
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pixelRatio, viewCenter, viewResolution, viewRotation,
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image.getExtent());
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this.hitTransformationMatrix_ = null;
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// Translate and scale to flip the Y coord.
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const texCoordMatrix = this.texCoordMatrix;
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resetTransform(texCoordMatrix);
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scaleTransform(texCoordMatrix, 1, -1);
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translateTransform(texCoordMatrix, 0, -1);
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this.image_ = image;
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this.texture = texture;
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}
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return !!image;
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}
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/**
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* @param {number} canvasWidth Canvas width.
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* @param {number} canvasHeight Canvas height.
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* @param {number} pixelRatio Pixel ratio.
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* @param {module:ol/coordinate~Coordinate} viewCenter View center.
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* @param {number} viewResolution View resolution.
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* @param {number} viewRotation View rotation.
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* @param {module:ol/extent~Extent} imageExtent Image extent.
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* @private
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*/
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updateProjectionMatrix_(
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canvasWidth,
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canvasHeight,
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pixelRatio,
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viewCenter,
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viewResolution,
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viewRotation,
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imageExtent
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) {
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const canvasExtentWidth = canvasWidth * viewResolution;
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const canvasExtentHeight = canvasHeight * viewResolution;
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const projectionMatrix = this.projectionMatrix;
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resetTransform(projectionMatrix);
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scaleTransform(projectionMatrix,
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pixelRatio * 2 / canvasExtentWidth,
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pixelRatio * 2 / canvasExtentHeight);
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rotateTransform(projectionMatrix, -viewRotation);
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translateTransform(projectionMatrix,
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imageExtent[0] - viewCenter[0],
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imageExtent[1] - viewCenter[1]);
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scaleTransform(projectionMatrix,
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(imageExtent[2] - imageExtent[0]) / 2,
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(imageExtent[3] - imageExtent[1]) / 2);
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translateTransform(projectionMatrix, 1, 1);
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}
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/**
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* @inheritDoc
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*/
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hasFeatureAtCoordinate(coordinate, frameState) {
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const hasFeature = this.forEachFeatureAtCoordinate(coordinate, frameState, 0, TRUE, this);
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return hasFeature !== undefined;
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}
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/**
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* @inheritDoc
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*/
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forEachLayerAtPixel(pixel, frameState, callback, thisArg) {
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if (!this.image_ || !this.image_.getImage()) {
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return undefined;
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}
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if (this.getLayer().getSource().forEachFeatureAtCoordinate !== UNDEFINED) {
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// for ImageCanvas sources use the original hit-detection logic,
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// so that for example also transparent polygons are detected
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const coordinate = applyTransform(
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frameState.pixelToCoordinateTransform, pixel.slice());
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const hasFeature = this.forEachFeatureAtCoordinate(coordinate, frameState, 0, TRUE, this);
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if (hasFeature) {
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return callback.call(thisArg, this.getLayer(), null);
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} else {
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return undefined;
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}
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} else {
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const imageSize =
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[this.image_.getImage().width, this.image_.getImage().height];
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if (!this.hitTransformationMatrix_) {
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this.hitTransformationMatrix_ = this.getHitTransformationMatrix_(
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frameState.size, imageSize);
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}
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const pixelOnFrameBuffer = applyTransform(
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this.hitTransformationMatrix_, pixel.slice());
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if (pixelOnFrameBuffer[0] < 0 || pixelOnFrameBuffer[0] > imageSize[0] ||
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pixelOnFrameBuffer[1] < 0 || pixelOnFrameBuffer[1] > imageSize[1]) {
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// outside the image, no need to check
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return undefined;
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}
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if (!this.hitCanvasContext_) {
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this.hitCanvasContext_ = createCanvasContext2D(1, 1);
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}
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this.hitCanvasContext_.clearRect(0, 0, 1, 1);
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this.hitCanvasContext_.drawImage(this.image_.getImage(),
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pixelOnFrameBuffer[0], pixelOnFrameBuffer[1], 1, 1, 0, 0, 1, 1);
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const imageData = this.hitCanvasContext_.getImageData(0, 0, 1, 1).data;
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if (imageData[3] > 0) {
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return callback.call(thisArg, this.getLayer(), imageData);
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} else {
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return undefined;
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}
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}
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}
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/**
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* The transformation matrix to get the pixel on the image for a
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* pixel on the map.
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* @param {module:ol/size~Size} mapSize The map size.
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* @param {module:ol/size~Size} imageSize The image size.
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* @return {module:ol/transform~Transform} The transformation matrix.
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* @private
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*/
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getHitTransformationMatrix_(mapSize, imageSize) {
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// the first matrix takes a map pixel, flips the y-axis and scales to
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// a range between -1 ... 1
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const mapCoordTransform = createTransform();
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translateTransform(mapCoordTransform, -1, -1);
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scaleTransform(mapCoordTransform, 2 / mapSize[0], 2 / mapSize[1]);
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translateTransform(mapCoordTransform, 0, mapSize[1]);
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scaleTransform(mapCoordTransform, 1, -1);
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// the second matrix is the inverse of the projection matrix used in the
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// shader for drawing
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const projectionMatrixInv = invertTransform(this.projectionMatrix.slice());
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// the third matrix scales to the image dimensions and flips the y-axis again
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const transform = createTransform();
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translateTransform(transform, 0, imageSize[1]);
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scaleTransform(transform, 1, -1);
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scaleTransform(transform, imageSize[0] / 2, imageSize[1] / 2);
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translateTransform(transform, 1, 1);
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multiplyTransform(transform, projectionMatrixInv);
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multiplyTransform(transform, mapCoordTransform);
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return transform;
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}
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}
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inherits(WebGLImageLayerRenderer, WebGLLayerRenderer);
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@@ -81,256 +337,4 @@ WebGLImageLayerRenderer['create'] = function(mapRenderer, layer) {
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};
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/**
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* @param {module:ol/ImageBase} image Image.
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* @private
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* @return {WebGLTexture} Texture.
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*/
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WebGLImageLayerRenderer.prototype.createTexture_ = function(image) {
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// We meet the conditions to work with non-power of two textures.
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// http://www.khronos.org/webgl/wiki/WebGL_and_OpenGL_Differences#Non-Power_of_Two_Texture_Support
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// http://learningwebgl.com/blog/?p=2101
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const imageElement = image.getImage();
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const gl = this.mapRenderer.getGL();
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return createTexture(
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gl, imageElement, CLAMP_TO_EDGE, CLAMP_TO_EDGE);
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};
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/**
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* @inheritDoc
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*/
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WebGLImageLayerRenderer.prototype.forEachFeatureAtCoordinate = function(coordinate, frameState, hitTolerance, callback, thisArg) {
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const layer = this.getLayer();
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const source = layer.getSource();
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const resolution = frameState.viewState.resolution;
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const rotation = frameState.viewState.rotation;
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const skippedFeatureUids = frameState.skippedFeatureUids;
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return source.forEachFeatureAtCoordinate(
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coordinate, resolution, rotation, hitTolerance, skippedFeatureUids,
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/**
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* @param {module:ol/Feature|module:ol/render/Feature} feature Feature.
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* @return {?} Callback result.
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*/
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function(feature) {
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return callback.call(thisArg, feature, layer);
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});
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};
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/**
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* @inheritDoc
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*/
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WebGLImageLayerRenderer.prototype.prepareFrame = function(frameState, layerState, context) {
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const gl = this.mapRenderer.getGL();
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const pixelRatio = frameState.pixelRatio;
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const viewState = frameState.viewState;
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const viewCenter = viewState.center;
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const viewResolution = viewState.resolution;
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const viewRotation = viewState.rotation;
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let image = this.image_;
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let texture = this.texture;
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const imageLayer = /** @type {module:ol/layer/Image} */ (this.getLayer());
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const imageSource = imageLayer.getSource();
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const hints = frameState.viewHints;
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let renderedExtent = frameState.extent;
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if (layerState.extent !== undefined) {
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renderedExtent = getIntersection(renderedExtent, layerState.extent);
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}
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if (!hints[ViewHint.ANIMATING] && !hints[ViewHint.INTERACTING] &&
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!isEmpty(renderedExtent)) {
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let projection = viewState.projection;
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if (!ENABLE_RASTER_REPROJECTION) {
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const sourceProjection = imageSource.getProjection();
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if (sourceProjection) {
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projection = sourceProjection;
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}
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}
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const image_ = imageSource.getImage(renderedExtent, viewResolution,
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pixelRatio, projection);
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if (image_) {
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const loaded = this.loadImage(image_);
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if (loaded) {
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image = image_;
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texture = this.createTexture_(image_);
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if (this.texture) {
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/**
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* @param {WebGLRenderingContext} gl GL.
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* @param {WebGLTexture} texture Texture.
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*/
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const postRenderFunction = function(gl, texture) {
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if (!gl.isContextLost()) {
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gl.deleteTexture(texture);
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}
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}.bind(null, gl, this.texture);
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frameState.postRenderFunctions.push(
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/** @type {module:ol/PluggableMap~PostRenderFunction} */ (postRenderFunction)
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);
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}
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}
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}
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}
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if (image) {
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const canvas = this.mapRenderer.getContext().getCanvas();
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this.updateProjectionMatrix_(canvas.width, canvas.height,
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pixelRatio, viewCenter, viewResolution, viewRotation,
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image.getExtent());
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this.hitTransformationMatrix_ = null;
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// Translate and scale to flip the Y coord.
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const texCoordMatrix = this.texCoordMatrix;
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resetTransform(texCoordMatrix);
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scaleTransform(texCoordMatrix, 1, -1);
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translateTransform(texCoordMatrix, 0, -1);
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this.image_ = image;
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this.texture = texture;
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}
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return !!image;
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};
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/**
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* @param {number} canvasWidth Canvas width.
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* @param {number} canvasHeight Canvas height.
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* @param {number} pixelRatio Pixel ratio.
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* @param {module:ol/coordinate~Coordinate} viewCenter View center.
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* @param {number} viewResolution View resolution.
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* @param {number} viewRotation View rotation.
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* @param {module:ol/extent~Extent} imageExtent Image extent.
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* @private
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*/
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WebGLImageLayerRenderer.prototype.updateProjectionMatrix_ = function(canvasWidth, canvasHeight, pixelRatio,
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viewCenter, viewResolution, viewRotation, imageExtent) {
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const canvasExtentWidth = canvasWidth * viewResolution;
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const canvasExtentHeight = canvasHeight * viewResolution;
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const projectionMatrix = this.projectionMatrix;
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resetTransform(projectionMatrix);
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scaleTransform(projectionMatrix,
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pixelRatio * 2 / canvasExtentWidth,
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pixelRatio * 2 / canvasExtentHeight);
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rotateTransform(projectionMatrix, -viewRotation);
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translateTransform(projectionMatrix,
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imageExtent[0] - viewCenter[0],
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imageExtent[1] - viewCenter[1]);
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scaleTransform(projectionMatrix,
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(imageExtent[2] - imageExtent[0]) / 2,
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(imageExtent[3] - imageExtent[1]) / 2);
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translateTransform(projectionMatrix, 1, 1);
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};
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/**
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* @inheritDoc
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*/
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WebGLImageLayerRenderer.prototype.hasFeatureAtCoordinate = function(coordinate, frameState) {
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const hasFeature = this.forEachFeatureAtCoordinate(coordinate, frameState, 0, TRUE, this);
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return hasFeature !== undefined;
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};
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/**
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* @inheritDoc
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*/
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WebGLImageLayerRenderer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {
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if (!this.image_ || !this.image_.getImage()) {
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return undefined;
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}
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if (this.getLayer().getSource().forEachFeatureAtCoordinate !== UNDEFINED) {
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// for ImageCanvas sources use the original hit-detection logic,
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// so that for example also transparent polygons are detected
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const coordinate = applyTransform(
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frameState.pixelToCoordinateTransform, pixel.slice());
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const hasFeature = this.forEachFeatureAtCoordinate(coordinate, frameState, 0, TRUE, this);
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if (hasFeature) {
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return callback.call(thisArg, this.getLayer(), null);
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} else {
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return undefined;
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}
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} else {
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const imageSize =
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[this.image_.getImage().width, this.image_.getImage().height];
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if (!this.hitTransformationMatrix_) {
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this.hitTransformationMatrix_ = this.getHitTransformationMatrix_(
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frameState.size, imageSize);
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}
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const pixelOnFrameBuffer = applyTransform(
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this.hitTransformationMatrix_, pixel.slice());
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||||
if (pixelOnFrameBuffer[0] < 0 || pixelOnFrameBuffer[0] > imageSize[0] ||
|
||||
pixelOnFrameBuffer[1] < 0 || pixelOnFrameBuffer[1] > imageSize[1]) {
|
||||
// outside the image, no need to check
|
||||
return undefined;
|
||||
}
|
||||
|
||||
if (!this.hitCanvasContext_) {
|
||||
this.hitCanvasContext_ = createCanvasContext2D(1, 1);
|
||||
}
|
||||
|
||||
this.hitCanvasContext_.clearRect(0, 0, 1, 1);
|
||||
this.hitCanvasContext_.drawImage(this.image_.getImage(),
|
||||
pixelOnFrameBuffer[0], pixelOnFrameBuffer[1], 1, 1, 0, 0, 1, 1);
|
||||
|
||||
const imageData = this.hitCanvasContext_.getImageData(0, 0, 1, 1).data;
|
||||
if (imageData[3] > 0) {
|
||||
return callback.call(thisArg, this.getLayer(), imageData);
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* The transformation matrix to get the pixel on the image for a
|
||||
* pixel on the map.
|
||||
* @param {module:ol/size~Size} mapSize The map size.
|
||||
* @param {module:ol/size~Size} imageSize The image size.
|
||||
* @return {module:ol/transform~Transform} The transformation matrix.
|
||||
* @private
|
||||
*/
|
||||
WebGLImageLayerRenderer.prototype.getHitTransformationMatrix_ = function(mapSize, imageSize) {
|
||||
// the first matrix takes a map pixel, flips the y-axis and scales to
|
||||
// a range between -1 ... 1
|
||||
const mapCoordTransform = createTransform();
|
||||
translateTransform(mapCoordTransform, -1, -1);
|
||||
scaleTransform(mapCoordTransform, 2 / mapSize[0], 2 / mapSize[1]);
|
||||
translateTransform(mapCoordTransform, 0, mapSize[1]);
|
||||
scaleTransform(mapCoordTransform, 1, -1);
|
||||
|
||||
// the second matrix is the inverse of the projection matrix used in the
|
||||
// shader for drawing
|
||||
const projectionMatrixInv = invertTransform(this.projectionMatrix.slice());
|
||||
|
||||
// the third matrix scales to the image dimensions and flips the y-axis again
|
||||
const transform = createTransform();
|
||||
translateTransform(transform, 0, imageSize[1]);
|
||||
scaleTransform(transform, 1, -1);
|
||||
scaleTransform(transform, imageSize[0] / 2, imageSize[1] / 2);
|
||||
translateTransform(transform, 1, 1);
|
||||
|
||||
multiplyTransform(transform, projectionMatrixInv);
|
||||
multiplyTransform(transform, mapCoordTransform);
|
||||
|
||||
return transform;
|
||||
};
|
||||
export default WebGLImageLayerRenderer;
|
||||
|
||||
+215
-220
@@ -22,244 +22,239 @@ import {createEmptyTexture} from '../../webgl/Context.js';
|
||||
* @param {module:ol/renderer/webgl/Map} mapRenderer Map renderer.
|
||||
* @param {module:ol/layer/Layer} layer Layer.
|
||||
*/
|
||||
const WebGLLayerRenderer = function(mapRenderer, layer) {
|
||||
class WebGLLayerRenderer {
|
||||
constructor(mapRenderer, layer) {
|
||||
|
||||
LayerRenderer.call(this, layer);
|
||||
LayerRenderer.call(this, layer);
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {module:ol/renderer/webgl/Map}
|
||||
*/
|
||||
this.mapRenderer = mapRenderer;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/webgl/Buffer}
|
||||
*/
|
||||
this.arrayBuffer_ = new WebGLBuffer([
|
||||
-1, -1, 0, 0,
|
||||
1, -1, 1, 0,
|
||||
-1, 1, 0, 1,
|
||||
1, 1, 1, 1
|
||||
]);
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {WebGLTexture}
|
||||
*/
|
||||
this.texture = null;
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {WebGLFramebuffer}
|
||||
*/
|
||||
this.framebuffer = null;
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {number|undefined}
|
||||
*/
|
||||
this.framebufferDimension = undefined;
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {module:ol/transform~Transform}
|
||||
*/
|
||||
this.texCoordMatrix = createTransform();
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {module:ol/transform~Transform}
|
||||
*/
|
||||
this.projectionMatrix = createTransform();
|
||||
|
||||
/**
|
||||
* @type {Array.<number>}
|
||||
* @private
|
||||
*/
|
||||
this.tmpMat4_ = create();
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/renderer/webgl/defaultmapshader/Locations}
|
||||
*/
|
||||
this.defaultLocations_ = null;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {module:ol/PluggableMap~FrameState} frameState Frame state.
|
||||
* @param {number} framebufferDimension Framebuffer dimension.
|
||||
* @protected
|
||||
* @type {module:ol/renderer/webgl/Map}
|
||||
*/
|
||||
this.mapRenderer = mapRenderer;
|
||||
bindFramebuffer(frameState, framebufferDimension) {
|
||||
|
||||
const gl = this.mapRenderer.getGL();
|
||||
|
||||
if (this.framebufferDimension === undefined ||
|
||||
this.framebufferDimension != framebufferDimension) {
|
||||
/**
|
||||
* @param {WebGLRenderingContext} gl GL.
|
||||
* @param {WebGLFramebuffer} framebuffer Framebuffer.
|
||||
* @param {WebGLTexture} texture Texture.
|
||||
*/
|
||||
const postRenderFunction = function(gl, framebuffer, texture) {
|
||||
if (!gl.isContextLost()) {
|
||||
gl.deleteFramebuffer(framebuffer);
|
||||
gl.deleteTexture(texture);
|
||||
}
|
||||
}.bind(null, gl, this.framebuffer, this.texture);
|
||||
|
||||
frameState.postRenderFunctions.push(
|
||||
/** @type {module:ol/PluggableMap~PostRenderFunction} */ (postRenderFunction)
|
||||
);
|
||||
|
||||
const texture = createEmptyTexture(
|
||||
gl, framebufferDimension, framebufferDimension);
|
||||
|
||||
const framebuffer = gl.createFramebuffer();
|
||||
gl.bindFramebuffer(FRAMEBUFFER, framebuffer);
|
||||
gl.framebufferTexture2D(FRAMEBUFFER,
|
||||
COLOR_ATTACHMENT0, TEXTURE_2D, texture, 0);
|
||||
|
||||
this.texture = texture;
|
||||
this.framebuffer = framebuffer;
|
||||
this.framebufferDimension = framebufferDimension;
|
||||
|
||||
} else {
|
||||
gl.bindFramebuffer(FRAMEBUFFER, this.framebuffer);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/webgl/Buffer}
|
||||
* @param {module:ol/PluggableMap~FrameState} frameState Frame state.
|
||||
* @param {module:ol/layer/Layer~State} layerState Layer state.
|
||||
* @param {module:ol/webgl/Context} context Context.
|
||||
*/
|
||||
this.arrayBuffer_ = new WebGLBuffer([
|
||||
-1, -1, 0, 0,
|
||||
1, -1, 1, 0,
|
||||
-1, 1, 0, 1,
|
||||
1, 1, 1, 1
|
||||
]);
|
||||
composeFrame(frameState, layerState, context) {
|
||||
|
||||
this.dispatchComposeEvent_(RenderEventType.PRECOMPOSE, context, frameState);
|
||||
|
||||
context.bindBuffer(ARRAY_BUFFER, this.arrayBuffer_);
|
||||
|
||||
const gl = context.getGL();
|
||||
|
||||
const program = context.getProgram(fragment, vertex);
|
||||
|
||||
let locations;
|
||||
if (!this.defaultLocations_) {
|
||||
locations = new Locations(gl, program);
|
||||
this.defaultLocations_ = locations;
|
||||
} else {
|
||||
locations = this.defaultLocations_;
|
||||
}
|
||||
|
||||
if (context.useProgram(program)) {
|
||||
gl.enableVertexAttribArray(locations.a_position);
|
||||
gl.vertexAttribPointer(
|
||||
locations.a_position, 2, FLOAT, false, 16, 0);
|
||||
gl.enableVertexAttribArray(locations.a_texCoord);
|
||||
gl.vertexAttribPointer(
|
||||
locations.a_texCoord, 2, FLOAT, false, 16, 8);
|
||||
gl.uniform1i(locations.u_texture, 0);
|
||||
}
|
||||
|
||||
gl.uniformMatrix4fv(locations.u_texCoordMatrix, false,
|
||||
fromTransform(this.tmpMat4_, this.getTexCoordMatrix()));
|
||||
gl.uniformMatrix4fv(locations.u_projectionMatrix, false,
|
||||
fromTransform(this.tmpMat4_, this.getProjectionMatrix()));
|
||||
gl.uniform1f(locations.u_opacity, layerState.opacity);
|
||||
gl.bindTexture(TEXTURE_2D, this.getTexture());
|
||||
gl.drawArrays(TRIANGLE_STRIP, 0, 4);
|
||||
|
||||
this.dispatchComposeEvent_(RenderEventType.POSTCOMPOSE, context, frameState);
|
||||
}
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {WebGLTexture}
|
||||
*/
|
||||
this.texture = null;
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {WebGLFramebuffer}
|
||||
*/
|
||||
this.framebuffer = null;
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {number|undefined}
|
||||
*/
|
||||
this.framebufferDimension = undefined;
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {module:ol/transform~Transform}
|
||||
*/
|
||||
this.texCoordMatrix = createTransform();
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {module:ol/transform~Transform}
|
||||
*/
|
||||
this.projectionMatrix = createTransform();
|
||||
|
||||
/**
|
||||
* @type {Array.<number>}
|
||||
* @param {module:ol/render/EventType} type Event type.
|
||||
* @param {module:ol/webgl/Context} context WebGL context.
|
||||
* @param {module:ol/PluggableMap~FrameState} frameState Frame state.
|
||||
* @private
|
||||
*/
|
||||
this.tmpMat4_ = create();
|
||||
dispatchComposeEvent_(type, context, frameState) {
|
||||
const layer = this.getLayer();
|
||||
if (layer.hasListener(type)) {
|
||||
const viewState = frameState.viewState;
|
||||
const resolution = viewState.resolution;
|
||||
const pixelRatio = frameState.pixelRatio;
|
||||
const extent = frameState.extent;
|
||||
const center = viewState.center;
|
||||
const rotation = viewState.rotation;
|
||||
const size = frameState.size;
|
||||
|
||||
const render = new WebGLImmediateRenderer(
|
||||
context, center, resolution, rotation, size, extent, pixelRatio);
|
||||
const composeEvent = new RenderEvent(
|
||||
type, render, frameState, null, context);
|
||||
layer.dispatchEvent(composeEvent);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/renderer/webgl/defaultmapshader/Locations}
|
||||
* @return {!module:ol/transform~Transform} Matrix.
|
||||
*/
|
||||
this.defaultLocations_ = null;
|
||||
getTexCoordMatrix() {
|
||||
return this.texCoordMatrix;
|
||||
}
|
||||
|
||||
};
|
||||
/**
|
||||
* @return {WebGLTexture} Texture.
|
||||
*/
|
||||
getTexture() {
|
||||
return this.texture;
|
||||
}
|
||||
|
||||
/**
|
||||
* @return {!module:ol/transform~Transform} Matrix.
|
||||
*/
|
||||
getProjectionMatrix() {
|
||||
return this.projectionMatrix;
|
||||
}
|
||||
|
||||
/**
|
||||
* Handle webglcontextlost.
|
||||
*/
|
||||
handleWebGLContextLost() {
|
||||
this.texture = null;
|
||||
this.framebuffer = null;
|
||||
this.framebufferDimension = undefined;
|
||||
}
|
||||
|
||||
/**
|
||||
* @abstract
|
||||
* @param {module:ol/PluggableMap~FrameState} frameState Frame state.
|
||||
* @param {module:ol/layer/Layer~State} layerState Layer state.
|
||||
* @param {module:ol/webgl/Context} context Context.
|
||||
* @return {boolean} whether composeFrame should be called.
|
||||
*/
|
||||
prepareFrame(frameState, layerState, context) {}
|
||||
|
||||
/**
|
||||
* @abstract
|
||||
* @param {module:ol~Pixel} pixel Pixel.
|
||||
* @param {module:ol/PluggableMap~FrameState} frameState FrameState.
|
||||
* @param {function(this: S, module:ol/layer/Layer, (Uint8ClampedArray|Uint8Array)): T} callback Layer
|
||||
* callback.
|
||||
* @param {S} thisArg Value to use as `this` when executing `callback`.
|
||||
* @return {T|undefined} Callback result.
|
||||
* @template S,T,U
|
||||
*/
|
||||
forEachLayerAtPixel(pixel, frameState, callback, thisArg) {}
|
||||
}
|
||||
|
||||
inherits(WebGLLayerRenderer, LayerRenderer);
|
||||
|
||||
|
||||
/**
|
||||
* @param {module:ol/PluggableMap~FrameState} frameState Frame state.
|
||||
* @param {number} framebufferDimension Framebuffer dimension.
|
||||
* @protected
|
||||
*/
|
||||
WebGLLayerRenderer.prototype.bindFramebuffer = function(frameState, framebufferDimension) {
|
||||
|
||||
const gl = this.mapRenderer.getGL();
|
||||
|
||||
if (this.framebufferDimension === undefined ||
|
||||
this.framebufferDimension != framebufferDimension) {
|
||||
/**
|
||||
* @param {WebGLRenderingContext} gl GL.
|
||||
* @param {WebGLFramebuffer} framebuffer Framebuffer.
|
||||
* @param {WebGLTexture} texture Texture.
|
||||
*/
|
||||
const postRenderFunction = function(gl, framebuffer, texture) {
|
||||
if (!gl.isContextLost()) {
|
||||
gl.deleteFramebuffer(framebuffer);
|
||||
gl.deleteTexture(texture);
|
||||
}
|
||||
}.bind(null, gl, this.framebuffer, this.texture);
|
||||
|
||||
frameState.postRenderFunctions.push(
|
||||
/** @type {module:ol/PluggableMap~PostRenderFunction} */ (postRenderFunction)
|
||||
);
|
||||
|
||||
const texture = createEmptyTexture(
|
||||
gl, framebufferDimension, framebufferDimension);
|
||||
|
||||
const framebuffer = gl.createFramebuffer();
|
||||
gl.bindFramebuffer(FRAMEBUFFER, framebuffer);
|
||||
gl.framebufferTexture2D(FRAMEBUFFER,
|
||||
COLOR_ATTACHMENT0, TEXTURE_2D, texture, 0);
|
||||
|
||||
this.texture = texture;
|
||||
this.framebuffer = framebuffer;
|
||||
this.framebufferDimension = framebufferDimension;
|
||||
|
||||
} else {
|
||||
gl.bindFramebuffer(FRAMEBUFFER, this.framebuffer);
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {module:ol/PluggableMap~FrameState} frameState Frame state.
|
||||
* @param {module:ol/layer/Layer~State} layerState Layer state.
|
||||
* @param {module:ol/webgl/Context} context Context.
|
||||
*/
|
||||
WebGLLayerRenderer.prototype.composeFrame = function(frameState, layerState, context) {
|
||||
|
||||
this.dispatchComposeEvent_(RenderEventType.PRECOMPOSE, context, frameState);
|
||||
|
||||
context.bindBuffer(ARRAY_BUFFER, this.arrayBuffer_);
|
||||
|
||||
const gl = context.getGL();
|
||||
|
||||
const program = context.getProgram(fragment, vertex);
|
||||
|
||||
let locations;
|
||||
if (!this.defaultLocations_) {
|
||||
locations = new Locations(gl, program);
|
||||
this.defaultLocations_ = locations;
|
||||
} else {
|
||||
locations = this.defaultLocations_;
|
||||
}
|
||||
|
||||
if (context.useProgram(program)) {
|
||||
gl.enableVertexAttribArray(locations.a_position);
|
||||
gl.vertexAttribPointer(
|
||||
locations.a_position, 2, FLOAT, false, 16, 0);
|
||||
gl.enableVertexAttribArray(locations.a_texCoord);
|
||||
gl.vertexAttribPointer(
|
||||
locations.a_texCoord, 2, FLOAT, false, 16, 8);
|
||||
gl.uniform1i(locations.u_texture, 0);
|
||||
}
|
||||
|
||||
gl.uniformMatrix4fv(locations.u_texCoordMatrix, false,
|
||||
fromTransform(this.tmpMat4_, this.getTexCoordMatrix()));
|
||||
gl.uniformMatrix4fv(locations.u_projectionMatrix, false,
|
||||
fromTransform(this.tmpMat4_, this.getProjectionMatrix()));
|
||||
gl.uniform1f(locations.u_opacity, layerState.opacity);
|
||||
gl.bindTexture(TEXTURE_2D, this.getTexture());
|
||||
gl.drawArrays(TRIANGLE_STRIP, 0, 4);
|
||||
|
||||
this.dispatchComposeEvent_(RenderEventType.POSTCOMPOSE, context, frameState);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {module:ol/render/EventType} type Event type.
|
||||
* @param {module:ol/webgl/Context} context WebGL context.
|
||||
* @param {module:ol/PluggableMap~FrameState} frameState Frame state.
|
||||
* @private
|
||||
*/
|
||||
WebGLLayerRenderer.prototype.dispatchComposeEvent_ = function(type, context, frameState) {
|
||||
const layer = this.getLayer();
|
||||
if (layer.hasListener(type)) {
|
||||
const viewState = frameState.viewState;
|
||||
const resolution = viewState.resolution;
|
||||
const pixelRatio = frameState.pixelRatio;
|
||||
const extent = frameState.extent;
|
||||
const center = viewState.center;
|
||||
const rotation = viewState.rotation;
|
||||
const size = frameState.size;
|
||||
|
||||
const render = new WebGLImmediateRenderer(
|
||||
context, center, resolution, rotation, size, extent, pixelRatio);
|
||||
const composeEvent = new RenderEvent(
|
||||
type, render, frameState, null, context);
|
||||
layer.dispatchEvent(composeEvent);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @return {!module:ol/transform~Transform} Matrix.
|
||||
*/
|
||||
WebGLLayerRenderer.prototype.getTexCoordMatrix = function() {
|
||||
return this.texCoordMatrix;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @return {WebGLTexture} Texture.
|
||||
*/
|
||||
WebGLLayerRenderer.prototype.getTexture = function() {
|
||||
return this.texture;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @return {!module:ol/transform~Transform} Matrix.
|
||||
*/
|
||||
WebGLLayerRenderer.prototype.getProjectionMatrix = function() {
|
||||
return this.projectionMatrix;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Handle webglcontextlost.
|
||||
*/
|
||||
WebGLLayerRenderer.prototype.handleWebGLContextLost = function() {
|
||||
this.texture = null;
|
||||
this.framebuffer = null;
|
||||
this.framebufferDimension = undefined;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @abstract
|
||||
* @param {module:ol/PluggableMap~FrameState} frameState Frame state.
|
||||
* @param {module:ol/layer/Layer~State} layerState Layer state.
|
||||
* @param {module:ol/webgl/Context} context Context.
|
||||
* @return {boolean} whether composeFrame should be called.
|
||||
*/
|
||||
WebGLLayerRenderer.prototype.prepareFrame = function(frameState, layerState, context) {};
|
||||
|
||||
|
||||
/**
|
||||
* @abstract
|
||||
* @param {module:ol~Pixel} pixel Pixel.
|
||||
* @param {module:ol/PluggableMap~FrameState} frameState FrameState.
|
||||
* @param {function(this: S, module:ol/layer/Layer, (Uint8ClampedArray|Uint8Array)): T} callback Layer
|
||||
* callback.
|
||||
* @param {S} thisArg Value to use as `this` when executing `callback`.
|
||||
* @return {T|undefined} Callback result.
|
||||
* @template S,T,U
|
||||
*/
|
||||
WebGLLayerRenderer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {};
|
||||
export default WebGLLayerRenderer;
|
||||
|
||||
+512
-518
File diff suppressed because it is too large
Load Diff
+329
-330
@@ -32,64 +32,355 @@ import WebGLBuffer from '../../webgl/Buffer.js';
|
||||
* @param {module:ol/layer/Tile} tileLayer Tile layer.
|
||||
* @api
|
||||
*/
|
||||
const WebGLTileLayerRenderer = function(mapRenderer, tileLayer) {
|
||||
class WebGLTileLayerRenderer {
|
||||
constructor(mapRenderer, tileLayer) {
|
||||
|
||||
WebGLLayerRenderer.call(this, mapRenderer, tileLayer);
|
||||
WebGLLayerRenderer.call(this, mapRenderer, tileLayer);
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/webgl/Fragment}
|
||||
*/
|
||||
this.fragmentShader_ = fragment;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/webgl/Vertex}
|
||||
*/
|
||||
this.vertexShader_ = vertex;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/renderer/webgl/tilelayershader/Locations}
|
||||
*/
|
||||
this.locations_ = null;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/webgl/Buffer}
|
||||
*/
|
||||
this.renderArrayBuffer_ = new WebGLBuffer([
|
||||
0, 0, 0, 1,
|
||||
1, 0, 1, 1,
|
||||
0, 1, 0, 0,
|
||||
1, 1, 1, 0
|
||||
]);
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/TileRange}
|
||||
*/
|
||||
this.renderedTileRange_ = null;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/extent~Extent}
|
||||
*/
|
||||
this.renderedFramebufferExtent_ = null;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
*/
|
||||
this.renderedRevision_ = -1;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/size~Size}
|
||||
*/
|
||||
this.tmpSize_ = [0, 0];
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/webgl/Fragment}
|
||||
* @inheritDoc
|
||||
*/
|
||||
this.fragmentShader_ = fragment;
|
||||
disposeInternal() {
|
||||
const context = this.mapRenderer.getContext();
|
||||
context.deleteBuffer(this.renderArrayBuffer_);
|
||||
WebGLLayerRenderer.prototype.disposeInternal.call(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/webgl/Vertex}
|
||||
* @inheritDoc
|
||||
*/
|
||||
this.vertexShader_ = vertex;
|
||||
createLoadedTileFinder(source, projection, tiles) {
|
||||
const mapRenderer = this.mapRenderer;
|
||||
|
||||
return (
|
||||
/**
|
||||
* @param {number} zoom Zoom level.
|
||||
* @param {module:ol/TileRange} tileRange Tile range.
|
||||
* @return {boolean} The tile range is fully loaded.
|
||||
*/
|
||||
function(zoom, tileRange) {
|
||||
function callback(tile) {
|
||||
const loaded = mapRenderer.isTileTextureLoaded(tile);
|
||||
if (loaded) {
|
||||
if (!tiles[zoom]) {
|
||||
tiles[zoom] = {};
|
||||
}
|
||||
tiles[zoom][tile.tileCoord.toString()] = tile;
|
||||
}
|
||||
return loaded;
|
||||
}
|
||||
return source.forEachLoadedTile(projection, zoom, tileRange, callback);
|
||||
}
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/renderer/webgl/tilelayershader/Locations}
|
||||
* @inheritDoc
|
||||
*/
|
||||
this.locations_ = null;
|
||||
handleWebGLContextLost() {
|
||||
WebGLLayerRenderer.prototype.handleWebGLContextLost.call(this);
|
||||
this.locations_ = null;
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/webgl/Buffer}
|
||||
* @inheritDoc
|
||||
*/
|
||||
this.renderArrayBuffer_ = new WebGLBuffer([
|
||||
0, 0, 0, 1,
|
||||
1, 0, 1, 1,
|
||||
0, 1, 0, 0,
|
||||
1, 1, 1, 0
|
||||
]);
|
||||
prepareFrame(frameState, layerState, context) {
|
||||
|
||||
const mapRenderer = this.mapRenderer;
|
||||
const gl = context.getGL();
|
||||
|
||||
const viewState = frameState.viewState;
|
||||
const projection = viewState.projection;
|
||||
|
||||
const tileLayer = /** @type {module:ol/layer/Tile} */ (this.getLayer());
|
||||
const tileSource = tileLayer.getSource();
|
||||
const tileGrid = tileSource.getTileGridForProjection(projection);
|
||||
const z = tileGrid.getZForResolution(viewState.resolution);
|
||||
const tileResolution = tileGrid.getResolution(z);
|
||||
|
||||
const tilePixelSize =
|
||||
tileSource.getTilePixelSize(z, frameState.pixelRatio, projection);
|
||||
const pixelRatio = tilePixelSize[0] /
|
||||
toSize(tileGrid.getTileSize(z), this.tmpSize_)[0];
|
||||
const tilePixelResolution = tileResolution / pixelRatio;
|
||||
const tileGutter = tileSource.getTilePixelRatio(pixelRatio) * tileSource.getGutter(projection);
|
||||
|
||||
const center = viewState.center;
|
||||
const extent = frameState.extent;
|
||||
const tileRange = tileGrid.getTileRangeForExtentAndZ(extent, z);
|
||||
|
||||
let framebufferExtent;
|
||||
if (this.renderedTileRange_ &&
|
||||
this.renderedTileRange_.equals(tileRange) &&
|
||||
this.renderedRevision_ == tileSource.getRevision()) {
|
||||
framebufferExtent = this.renderedFramebufferExtent_;
|
||||
} else {
|
||||
|
||||
const tileRangeSize = tileRange.getSize();
|
||||
|
||||
const maxDimension = Math.max(
|
||||
tileRangeSize[0] * tilePixelSize[0],
|
||||
tileRangeSize[1] * tilePixelSize[1]);
|
||||
const framebufferDimension = roundUpToPowerOfTwo(maxDimension);
|
||||
const framebufferExtentDimension = tilePixelResolution * framebufferDimension;
|
||||
const origin = tileGrid.getOrigin(z);
|
||||
const minX = origin[0] +
|
||||
tileRange.minX * tilePixelSize[0] * tilePixelResolution;
|
||||
const minY = origin[1] +
|
||||
tileRange.minY * tilePixelSize[1] * tilePixelResolution;
|
||||
framebufferExtent = [
|
||||
minX, minY,
|
||||
minX + framebufferExtentDimension, minY + framebufferExtentDimension
|
||||
];
|
||||
|
||||
this.bindFramebuffer(frameState, framebufferDimension);
|
||||
gl.viewport(0, 0, framebufferDimension, framebufferDimension);
|
||||
|
||||
gl.clearColor(0, 0, 0, 0);
|
||||
gl.clear(COLOR_BUFFER_BIT);
|
||||
gl.disable(BLEND);
|
||||
|
||||
const program = context.getProgram(this.fragmentShader_, this.vertexShader_);
|
||||
context.useProgram(program);
|
||||
if (!this.locations_) {
|
||||
this.locations_ = new Locations(gl, program);
|
||||
}
|
||||
|
||||
context.bindBuffer(ARRAY_BUFFER, this.renderArrayBuffer_);
|
||||
gl.enableVertexAttribArray(this.locations_.a_position);
|
||||
gl.vertexAttribPointer(
|
||||
this.locations_.a_position, 2, FLOAT, false, 16, 0);
|
||||
gl.enableVertexAttribArray(this.locations_.a_texCoord);
|
||||
gl.vertexAttribPointer(
|
||||
this.locations_.a_texCoord, 2, FLOAT, false, 16, 8);
|
||||
gl.uniform1i(this.locations_.u_texture, 0);
|
||||
|
||||
/**
|
||||
* @type {Object.<number, Object.<string, module:ol/Tile>>}
|
||||
*/
|
||||
const tilesToDrawByZ = {};
|
||||
tilesToDrawByZ[z] = {};
|
||||
|
||||
const findLoadedTiles = this.createLoadedTileFinder(
|
||||
tileSource, projection, tilesToDrawByZ);
|
||||
|
||||
const useInterimTilesOnError = tileLayer.getUseInterimTilesOnError();
|
||||
let allTilesLoaded = true;
|
||||
const tmpExtent = createEmpty();
|
||||
const tmpTileRange = new TileRange(0, 0, 0, 0);
|
||||
let childTileRange, drawable, fullyLoaded, tile, tileState;
|
||||
let x, y, tileExtent;
|
||||
for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
|
||||
for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
|
||||
|
||||
tile = tileSource.getTile(z, x, y, pixelRatio, projection);
|
||||
if (layerState.extent !== undefined) {
|
||||
// ignore tiles outside layer extent
|
||||
tileExtent = tileGrid.getTileCoordExtent(tile.tileCoord, tmpExtent);
|
||||
if (!intersects(tileExtent, layerState.extent)) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
tileState = tile.getState();
|
||||
drawable = tileState == TileState.LOADED ||
|
||||
tileState == TileState.EMPTY ||
|
||||
tileState == TileState.ERROR && !useInterimTilesOnError;
|
||||
if (!drawable) {
|
||||
tile = tile.getInterimTile();
|
||||
}
|
||||
tileState = tile.getState();
|
||||
if (tileState == TileState.LOADED) {
|
||||
if (mapRenderer.isTileTextureLoaded(tile)) {
|
||||
tilesToDrawByZ[z][tile.tileCoord.toString()] = tile;
|
||||
continue;
|
||||
}
|
||||
} else if (tileState == TileState.EMPTY ||
|
||||
(tileState == TileState.ERROR &&
|
||||
!useInterimTilesOnError)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
allTilesLoaded = false;
|
||||
fullyLoaded = tileGrid.forEachTileCoordParentTileRange(
|
||||
tile.tileCoord, findLoadedTiles, null, tmpTileRange, tmpExtent);
|
||||
if (!fullyLoaded) {
|
||||
childTileRange = tileGrid.getTileCoordChildTileRange(
|
||||
tile.tileCoord, tmpTileRange, tmpExtent);
|
||||
if (childTileRange) {
|
||||
findLoadedTiles(z + 1, childTileRange);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/** @type {Array.<number>} */
|
||||
const zs = Object.keys(tilesToDrawByZ).map(Number);
|
||||
zs.sort(numberSafeCompareFunction);
|
||||
const u_tileOffset = new Float32Array(4);
|
||||
for (let i = 0, ii = zs.length; i < ii; ++i) {
|
||||
const tilesToDraw = tilesToDrawByZ[zs[i]];
|
||||
for (const tileKey in tilesToDraw) {
|
||||
tile = tilesToDraw[tileKey];
|
||||
tileExtent = tileGrid.getTileCoordExtent(tile.tileCoord, tmpExtent);
|
||||
u_tileOffset[0] = 2 * (tileExtent[2] - tileExtent[0]) /
|
||||
framebufferExtentDimension;
|
||||
u_tileOffset[1] = 2 * (tileExtent[3] - tileExtent[1]) /
|
||||
framebufferExtentDimension;
|
||||
u_tileOffset[2] = 2 * (tileExtent[0] - framebufferExtent[0]) /
|
||||
framebufferExtentDimension - 1;
|
||||
u_tileOffset[3] = 2 * (tileExtent[1] - framebufferExtent[1]) /
|
||||
framebufferExtentDimension - 1;
|
||||
gl.uniform4fv(this.locations_.u_tileOffset, u_tileOffset);
|
||||
mapRenderer.bindTileTexture(tile, tilePixelSize,
|
||||
tileGutter * pixelRatio, LINEAR, LINEAR);
|
||||
gl.drawArrays(TRIANGLE_STRIP, 0, 4);
|
||||
}
|
||||
}
|
||||
|
||||
if (allTilesLoaded) {
|
||||
this.renderedTileRange_ = tileRange;
|
||||
this.renderedFramebufferExtent_ = framebufferExtent;
|
||||
this.renderedRevision_ = tileSource.getRevision();
|
||||
} else {
|
||||
this.renderedTileRange_ = null;
|
||||
this.renderedFramebufferExtent_ = null;
|
||||
this.renderedRevision_ = -1;
|
||||
frameState.animate = true;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
this.updateUsedTiles(frameState.usedTiles, tileSource, z, tileRange);
|
||||
const tileTextureQueue = mapRenderer.getTileTextureQueue();
|
||||
this.manageTilePyramid(
|
||||
frameState, tileSource, tileGrid, pixelRatio, projection, extent, z,
|
||||
tileLayer.getPreload(),
|
||||
/**
|
||||
* @param {module:ol/Tile} tile Tile.
|
||||
*/
|
||||
function(tile) {
|
||||
if (tile.getState() == TileState.LOADED &&
|
||||
!mapRenderer.isTileTextureLoaded(tile) &&
|
||||
!tileTextureQueue.isKeyQueued(tile.getKey())) {
|
||||
tileTextureQueue.enqueue([
|
||||
tile,
|
||||
tileGrid.getTileCoordCenter(tile.tileCoord),
|
||||
tileGrid.getResolution(tile.tileCoord[0]),
|
||||
tilePixelSize, tileGutter * pixelRatio
|
||||
]);
|
||||
}
|
||||
}, this);
|
||||
this.scheduleExpireCache(frameState, tileSource);
|
||||
|
||||
const texCoordMatrix = this.texCoordMatrix;
|
||||
resetTransform(texCoordMatrix);
|
||||
translateTransform(texCoordMatrix,
|
||||
(Math.round(center[0] / tileResolution) * tileResolution - framebufferExtent[0]) /
|
||||
(framebufferExtent[2] - framebufferExtent[0]),
|
||||
(Math.round(center[1] / tileResolution) * tileResolution - framebufferExtent[1]) /
|
||||
(framebufferExtent[3] - framebufferExtent[1]));
|
||||
if (viewState.rotation !== 0) {
|
||||
rotateTransform(texCoordMatrix, viewState.rotation);
|
||||
}
|
||||
scaleTransform(texCoordMatrix,
|
||||
frameState.size[0] * viewState.resolution /
|
||||
(framebufferExtent[2] - framebufferExtent[0]),
|
||||
frameState.size[1] * viewState.resolution /
|
||||
(framebufferExtent[3] - framebufferExtent[1]));
|
||||
translateTransform(texCoordMatrix, -0.5, -0.5);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/TileRange}
|
||||
* @inheritDoc
|
||||
*/
|
||||
this.renderedTileRange_ = null;
|
||||
forEachLayerAtPixel(pixel, frameState, callback, thisArg) {
|
||||
if (!this.framebuffer) {
|
||||
return undefined;
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/extent~Extent}
|
||||
*/
|
||||
this.renderedFramebufferExtent_ = null;
|
||||
const pixelOnMapScaled = [
|
||||
pixel[0] / frameState.size[0],
|
||||
(frameState.size[1] - pixel[1]) / frameState.size[1]];
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
*/
|
||||
this.renderedRevision_ = -1;
|
||||
const pixelOnFrameBufferScaled = applyTransform(
|
||||
this.texCoordMatrix, pixelOnMapScaled.slice());
|
||||
const pixelOnFrameBuffer = [
|
||||
pixelOnFrameBufferScaled[0] * this.framebufferDimension,
|
||||
pixelOnFrameBufferScaled[1] * this.framebufferDimension];
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/size~Size}
|
||||
*/
|
||||
this.tmpSize_ = [0, 0];
|
||||
const gl = this.mapRenderer.getContext().getGL();
|
||||
gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
|
||||
const imageData = new Uint8Array(4);
|
||||
gl.readPixels(pixelOnFrameBuffer[0], pixelOnFrameBuffer[1], 1, 1,
|
||||
gl.RGBA, gl.UNSIGNED_BYTE, imageData);
|
||||
|
||||
};
|
||||
if (imageData[3] > 0) {
|
||||
return callback.call(thisArg, this.getLayer(), imageData);
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
inherits(WebGLTileLayerRenderer, WebGLLayerRenderer);
|
||||
|
||||
@@ -118,296 +409,4 @@ WebGLTileLayerRenderer['create'] = function(mapRenderer, layer) {
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
WebGLTileLayerRenderer.prototype.disposeInternal = function() {
|
||||
const context = this.mapRenderer.getContext();
|
||||
context.deleteBuffer(this.renderArrayBuffer_);
|
||||
WebGLLayerRenderer.prototype.disposeInternal.call(this);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
WebGLTileLayerRenderer.prototype.createLoadedTileFinder = function(source, projection, tiles) {
|
||||
const mapRenderer = this.mapRenderer;
|
||||
|
||||
return (
|
||||
/**
|
||||
* @param {number} zoom Zoom level.
|
||||
* @param {module:ol/TileRange} tileRange Tile range.
|
||||
* @return {boolean} The tile range is fully loaded.
|
||||
*/
|
||||
function(zoom, tileRange) {
|
||||
function callback(tile) {
|
||||
const loaded = mapRenderer.isTileTextureLoaded(tile);
|
||||
if (loaded) {
|
||||
if (!tiles[zoom]) {
|
||||
tiles[zoom] = {};
|
||||
}
|
||||
tiles[zoom][tile.tileCoord.toString()] = tile;
|
||||
}
|
||||
return loaded;
|
||||
}
|
||||
return source.forEachLoadedTile(projection, zoom, tileRange, callback);
|
||||
}
|
||||
);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
WebGLTileLayerRenderer.prototype.handleWebGLContextLost = function() {
|
||||
WebGLLayerRenderer.prototype.handleWebGLContextLost.call(this);
|
||||
this.locations_ = null;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
WebGLTileLayerRenderer.prototype.prepareFrame = function(frameState, layerState, context) {
|
||||
|
||||
const mapRenderer = this.mapRenderer;
|
||||
const gl = context.getGL();
|
||||
|
||||
const viewState = frameState.viewState;
|
||||
const projection = viewState.projection;
|
||||
|
||||
const tileLayer = /** @type {module:ol/layer/Tile} */ (this.getLayer());
|
||||
const tileSource = tileLayer.getSource();
|
||||
const tileGrid = tileSource.getTileGridForProjection(projection);
|
||||
const z = tileGrid.getZForResolution(viewState.resolution);
|
||||
const tileResolution = tileGrid.getResolution(z);
|
||||
|
||||
const tilePixelSize =
|
||||
tileSource.getTilePixelSize(z, frameState.pixelRatio, projection);
|
||||
const pixelRatio = tilePixelSize[0] /
|
||||
toSize(tileGrid.getTileSize(z), this.tmpSize_)[0];
|
||||
const tilePixelResolution = tileResolution / pixelRatio;
|
||||
const tileGutter = tileSource.getTilePixelRatio(pixelRatio) * tileSource.getGutter(projection);
|
||||
|
||||
const center = viewState.center;
|
||||
const extent = frameState.extent;
|
||||
const tileRange = tileGrid.getTileRangeForExtentAndZ(extent, z);
|
||||
|
||||
let framebufferExtent;
|
||||
if (this.renderedTileRange_ &&
|
||||
this.renderedTileRange_.equals(tileRange) &&
|
||||
this.renderedRevision_ == tileSource.getRevision()) {
|
||||
framebufferExtent = this.renderedFramebufferExtent_;
|
||||
} else {
|
||||
|
||||
const tileRangeSize = tileRange.getSize();
|
||||
|
||||
const maxDimension = Math.max(
|
||||
tileRangeSize[0] * tilePixelSize[0],
|
||||
tileRangeSize[1] * tilePixelSize[1]);
|
||||
const framebufferDimension = roundUpToPowerOfTwo(maxDimension);
|
||||
const framebufferExtentDimension = tilePixelResolution * framebufferDimension;
|
||||
const origin = tileGrid.getOrigin(z);
|
||||
const minX = origin[0] +
|
||||
tileRange.minX * tilePixelSize[0] * tilePixelResolution;
|
||||
const minY = origin[1] +
|
||||
tileRange.minY * tilePixelSize[1] * tilePixelResolution;
|
||||
framebufferExtent = [
|
||||
minX, minY,
|
||||
minX + framebufferExtentDimension, minY + framebufferExtentDimension
|
||||
];
|
||||
|
||||
this.bindFramebuffer(frameState, framebufferDimension);
|
||||
gl.viewport(0, 0, framebufferDimension, framebufferDimension);
|
||||
|
||||
gl.clearColor(0, 0, 0, 0);
|
||||
gl.clear(COLOR_BUFFER_BIT);
|
||||
gl.disable(BLEND);
|
||||
|
||||
const program = context.getProgram(this.fragmentShader_, this.vertexShader_);
|
||||
context.useProgram(program);
|
||||
if (!this.locations_) {
|
||||
this.locations_ = new Locations(gl, program);
|
||||
}
|
||||
|
||||
context.bindBuffer(ARRAY_BUFFER, this.renderArrayBuffer_);
|
||||
gl.enableVertexAttribArray(this.locations_.a_position);
|
||||
gl.vertexAttribPointer(
|
||||
this.locations_.a_position, 2, FLOAT, false, 16, 0);
|
||||
gl.enableVertexAttribArray(this.locations_.a_texCoord);
|
||||
gl.vertexAttribPointer(
|
||||
this.locations_.a_texCoord, 2, FLOAT, false, 16, 8);
|
||||
gl.uniform1i(this.locations_.u_texture, 0);
|
||||
|
||||
/**
|
||||
* @type {Object.<number, Object.<string, module:ol/Tile>>}
|
||||
*/
|
||||
const tilesToDrawByZ = {};
|
||||
tilesToDrawByZ[z] = {};
|
||||
|
||||
const findLoadedTiles = this.createLoadedTileFinder(
|
||||
tileSource, projection, tilesToDrawByZ);
|
||||
|
||||
const useInterimTilesOnError = tileLayer.getUseInterimTilesOnError();
|
||||
let allTilesLoaded = true;
|
||||
const tmpExtent = createEmpty();
|
||||
const tmpTileRange = new TileRange(0, 0, 0, 0);
|
||||
let childTileRange, drawable, fullyLoaded, tile, tileState;
|
||||
let x, y, tileExtent;
|
||||
for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
|
||||
for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
|
||||
|
||||
tile = tileSource.getTile(z, x, y, pixelRatio, projection);
|
||||
if (layerState.extent !== undefined) {
|
||||
// ignore tiles outside layer extent
|
||||
tileExtent = tileGrid.getTileCoordExtent(tile.tileCoord, tmpExtent);
|
||||
if (!intersects(tileExtent, layerState.extent)) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
tileState = tile.getState();
|
||||
drawable = tileState == TileState.LOADED ||
|
||||
tileState == TileState.EMPTY ||
|
||||
tileState == TileState.ERROR && !useInterimTilesOnError;
|
||||
if (!drawable) {
|
||||
tile = tile.getInterimTile();
|
||||
}
|
||||
tileState = tile.getState();
|
||||
if (tileState == TileState.LOADED) {
|
||||
if (mapRenderer.isTileTextureLoaded(tile)) {
|
||||
tilesToDrawByZ[z][tile.tileCoord.toString()] = tile;
|
||||
continue;
|
||||
}
|
||||
} else if (tileState == TileState.EMPTY ||
|
||||
(tileState == TileState.ERROR &&
|
||||
!useInterimTilesOnError)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
allTilesLoaded = false;
|
||||
fullyLoaded = tileGrid.forEachTileCoordParentTileRange(
|
||||
tile.tileCoord, findLoadedTiles, null, tmpTileRange, tmpExtent);
|
||||
if (!fullyLoaded) {
|
||||
childTileRange = tileGrid.getTileCoordChildTileRange(
|
||||
tile.tileCoord, tmpTileRange, tmpExtent);
|
||||
if (childTileRange) {
|
||||
findLoadedTiles(z + 1, childTileRange);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/** @type {Array.<number>} */
|
||||
const zs = Object.keys(tilesToDrawByZ).map(Number);
|
||||
zs.sort(numberSafeCompareFunction);
|
||||
const u_tileOffset = new Float32Array(4);
|
||||
for (let i = 0, ii = zs.length; i < ii; ++i) {
|
||||
const tilesToDraw = tilesToDrawByZ[zs[i]];
|
||||
for (const tileKey in tilesToDraw) {
|
||||
tile = tilesToDraw[tileKey];
|
||||
tileExtent = tileGrid.getTileCoordExtent(tile.tileCoord, tmpExtent);
|
||||
u_tileOffset[0] = 2 * (tileExtent[2] - tileExtent[0]) /
|
||||
framebufferExtentDimension;
|
||||
u_tileOffset[1] = 2 * (tileExtent[3] - tileExtent[1]) /
|
||||
framebufferExtentDimension;
|
||||
u_tileOffset[2] = 2 * (tileExtent[0] - framebufferExtent[0]) /
|
||||
framebufferExtentDimension - 1;
|
||||
u_tileOffset[3] = 2 * (tileExtent[1] - framebufferExtent[1]) /
|
||||
framebufferExtentDimension - 1;
|
||||
gl.uniform4fv(this.locations_.u_tileOffset, u_tileOffset);
|
||||
mapRenderer.bindTileTexture(tile, tilePixelSize,
|
||||
tileGutter * pixelRatio, LINEAR, LINEAR);
|
||||
gl.drawArrays(TRIANGLE_STRIP, 0, 4);
|
||||
}
|
||||
}
|
||||
|
||||
if (allTilesLoaded) {
|
||||
this.renderedTileRange_ = tileRange;
|
||||
this.renderedFramebufferExtent_ = framebufferExtent;
|
||||
this.renderedRevision_ = tileSource.getRevision();
|
||||
} else {
|
||||
this.renderedTileRange_ = null;
|
||||
this.renderedFramebufferExtent_ = null;
|
||||
this.renderedRevision_ = -1;
|
||||
frameState.animate = true;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
this.updateUsedTiles(frameState.usedTiles, tileSource, z, tileRange);
|
||||
const tileTextureQueue = mapRenderer.getTileTextureQueue();
|
||||
this.manageTilePyramid(
|
||||
frameState, tileSource, tileGrid, pixelRatio, projection, extent, z,
|
||||
tileLayer.getPreload(),
|
||||
/**
|
||||
* @param {module:ol/Tile} tile Tile.
|
||||
*/
|
||||
function(tile) {
|
||||
if (tile.getState() == TileState.LOADED &&
|
||||
!mapRenderer.isTileTextureLoaded(tile) &&
|
||||
!tileTextureQueue.isKeyQueued(tile.getKey())) {
|
||||
tileTextureQueue.enqueue([
|
||||
tile,
|
||||
tileGrid.getTileCoordCenter(tile.tileCoord),
|
||||
tileGrid.getResolution(tile.tileCoord[0]),
|
||||
tilePixelSize, tileGutter * pixelRatio
|
||||
]);
|
||||
}
|
||||
}, this);
|
||||
this.scheduleExpireCache(frameState, tileSource);
|
||||
|
||||
const texCoordMatrix = this.texCoordMatrix;
|
||||
resetTransform(texCoordMatrix);
|
||||
translateTransform(texCoordMatrix,
|
||||
(Math.round(center[0] / tileResolution) * tileResolution - framebufferExtent[0]) /
|
||||
(framebufferExtent[2] - framebufferExtent[0]),
|
||||
(Math.round(center[1] / tileResolution) * tileResolution - framebufferExtent[1]) /
|
||||
(framebufferExtent[3] - framebufferExtent[1]));
|
||||
if (viewState.rotation !== 0) {
|
||||
rotateTransform(texCoordMatrix, viewState.rotation);
|
||||
}
|
||||
scaleTransform(texCoordMatrix,
|
||||
frameState.size[0] * viewState.resolution /
|
||||
(framebufferExtent[2] - framebufferExtent[0]),
|
||||
frameState.size[1] * viewState.resolution /
|
||||
(framebufferExtent[3] - framebufferExtent[1]));
|
||||
translateTransform(texCoordMatrix, -0.5, -0.5);
|
||||
|
||||
return true;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
WebGLTileLayerRenderer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {
|
||||
if (!this.framebuffer) {
|
||||
return undefined;
|
||||
}
|
||||
|
||||
const pixelOnMapScaled = [
|
||||
pixel[0] / frameState.size[0],
|
||||
(frameState.size[1] - pixel[1]) / frameState.size[1]];
|
||||
|
||||
const pixelOnFrameBufferScaled = applyTransform(
|
||||
this.texCoordMatrix, pixelOnMapScaled.slice());
|
||||
const pixelOnFrameBuffer = [
|
||||
pixelOnFrameBufferScaled[0] * this.framebufferDimension,
|
||||
pixelOnFrameBufferScaled[1] * this.framebufferDimension];
|
||||
|
||||
const gl = this.mapRenderer.getContext().getGL();
|
||||
gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
|
||||
const imageData = new Uint8Array(4);
|
||||
gl.readPixels(pixelOnFrameBuffer[0], pixelOnFrameBuffer[1], 1, 1,
|
||||
gl.RGBA, gl.UNSIGNED_BYTE, imageData);
|
||||
|
||||
if (imageData[3] > 0) {
|
||||
return callback.call(thisArg, this.getLayer(), imageData);
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
};
|
||||
export default WebGLTileLayerRenderer;
|
||||
|
||||
@@ -17,54 +17,287 @@ import {apply as applyTransform} from '../../transform.js';
|
||||
* @param {module:ol/layer/Vector} vectorLayer Vector layer.
|
||||
* @api
|
||||
*/
|
||||
const WebGLVectorLayerRenderer = function(mapRenderer, vectorLayer) {
|
||||
class WebGLVectorLayerRenderer {
|
||||
constructor(mapRenderer, vectorLayer) {
|
||||
|
||||
WebGLLayerRenderer.call(this, mapRenderer, vectorLayer);
|
||||
WebGLLayerRenderer.call(this, mapRenderer, vectorLayer);
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {boolean}
|
||||
*/
|
||||
this.dirty_ = false;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
*/
|
||||
this.renderedRevision_ = -1;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
*/
|
||||
this.renderedResolution_ = NaN;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/extent~Extent}
|
||||
*/
|
||||
this.renderedExtent_ = createEmpty();
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {function(module:ol/Feature, module:ol/Feature): number|null}
|
||||
*/
|
||||
this.renderedRenderOrder_ = null;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/render/webgl/ReplayGroup}
|
||||
*/
|
||||
this.replayGroup_ = null;
|
||||
|
||||
/**
|
||||
* The last layer state.
|
||||
* @private
|
||||
* @type {?module:ol/layer/Layer~State}
|
||||
*/
|
||||
this.layerState_ = null;
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {boolean}
|
||||
* @inheritDoc
|
||||
*/
|
||||
this.dirty_ = false;
|
||||
composeFrame(frameState, layerState, context) {
|
||||
this.layerState_ = layerState;
|
||||
const viewState = frameState.viewState;
|
||||
const replayGroup = this.replayGroup_;
|
||||
const size = frameState.size;
|
||||
const pixelRatio = frameState.pixelRatio;
|
||||
const gl = this.mapRenderer.getGL();
|
||||
if (replayGroup && !replayGroup.isEmpty()) {
|
||||
gl.enable(gl.SCISSOR_TEST);
|
||||
gl.scissor(0, 0, size[0] * pixelRatio, size[1] * pixelRatio);
|
||||
replayGroup.replay(context,
|
||||
viewState.center, viewState.resolution, viewState.rotation,
|
||||
size, pixelRatio, layerState.opacity,
|
||||
layerState.managed ? frameState.skippedFeatureUids : {});
|
||||
gl.disable(gl.SCISSOR_TEST);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
* @inheritDoc
|
||||
*/
|
||||
this.renderedRevision_ = -1;
|
||||
disposeInternal() {
|
||||
const replayGroup = this.replayGroup_;
|
||||
if (replayGroup) {
|
||||
const context = this.mapRenderer.getContext();
|
||||
replayGroup.getDeleteResourcesFunction(context)();
|
||||
this.replayGroup_ = null;
|
||||
}
|
||||
WebGLLayerRenderer.prototype.disposeInternal.call(this);
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
* @inheritDoc
|
||||
*/
|
||||
this.renderedResolution_ = NaN;
|
||||
forEachFeatureAtCoordinate(coordinate, frameState, hitTolerance, callback, thisArg) {
|
||||
if (!this.replayGroup_ || !this.layerState_) {
|
||||
return undefined;
|
||||
} else {
|
||||
const context = this.mapRenderer.getContext();
|
||||
const viewState = frameState.viewState;
|
||||
const layer = this.getLayer();
|
||||
const layerState = this.layerState_;
|
||||
/** @type {!Object.<string, boolean>} */
|
||||
const features = {};
|
||||
return this.replayGroup_.forEachFeatureAtCoordinate(coordinate,
|
||||
context, viewState.center, viewState.resolution, viewState.rotation,
|
||||
frameState.size, frameState.pixelRatio, layerState.opacity,
|
||||
{},
|
||||
/**
|
||||
* @param {module:ol/Feature|module:ol/render/Feature} feature Feature.
|
||||
* @return {?} Callback result.
|
||||
*/
|
||||
function(feature) {
|
||||
const key = getUid(feature).toString();
|
||||
if (!(key in features)) {
|
||||
features[key] = true;
|
||||
return callback.call(thisArg, feature, layer);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {module:ol/extent~Extent}
|
||||
* @inheritDoc
|
||||
*/
|
||||
this.renderedExtent_ = createEmpty();
|
||||
hasFeatureAtCoordinate(coordinate, frameState) {
|
||||
if (!this.replayGroup_ || !this.layerState_) {
|
||||
return false;
|
||||
} else {
|
||||
const context = this.mapRenderer.getContext();
|
||||
const viewState = frameState.viewState;
|
||||
const layerState = this.layerState_;
|
||||
return this.replayGroup_.hasFeatureAtCoordinate(coordinate,
|
||||
context, viewState.center, viewState.resolution, viewState.rotation,
|
||||
frameState.size, frameState.pixelRatio, layerState.opacity,
|
||||
frameState.skippedFeatureUids);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {function(module:ol/Feature, module:ol/Feature): number|null}
|
||||
* @inheritDoc
|
||||
*/
|
||||
this.renderedRenderOrder_ = null;
|
||||
forEachLayerAtPixel(pixel, frameState, callback, thisArg) {
|
||||
const coordinate = applyTransform(
|
||||
frameState.pixelToCoordinateTransform, pixel.slice());
|
||||
const hasFeature = this.hasFeatureAtCoordinate(coordinate, frameState);
|
||||
|
||||
if (hasFeature) {
|
||||
return callback.call(thisArg, this.getLayer(), null);
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Handle changes in image style state.
|
||||
* @param {module:ol/events/Event} event Image style change event.
|
||||
* @private
|
||||
* @type {module:ol/render/webgl/ReplayGroup}
|
||||
*/
|
||||
this.replayGroup_ = null;
|
||||
handleStyleImageChange_(event) {
|
||||
this.renderIfReadyAndVisible();
|
||||
}
|
||||
|
||||
/**
|
||||
* The last layer state.
|
||||
* @private
|
||||
* @type {?module:ol/layer/Layer~State}
|
||||
* @inheritDoc
|
||||
*/
|
||||
this.layerState_ = null;
|
||||
prepareFrame(frameState, layerState, context) {
|
||||
const vectorLayer = /** @type {module:ol/layer/Vector} */ (this.getLayer());
|
||||
const vectorSource = vectorLayer.getSource();
|
||||
|
||||
};
|
||||
const animating = frameState.viewHints[ViewHint.ANIMATING];
|
||||
const interacting = frameState.viewHints[ViewHint.INTERACTING];
|
||||
const updateWhileAnimating = vectorLayer.getUpdateWhileAnimating();
|
||||
const updateWhileInteracting = vectorLayer.getUpdateWhileInteracting();
|
||||
|
||||
if (!this.dirty_ && (!updateWhileAnimating && animating) ||
|
||||
(!updateWhileInteracting && interacting)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
const frameStateExtent = frameState.extent;
|
||||
const viewState = frameState.viewState;
|
||||
const projection = viewState.projection;
|
||||
const resolution = viewState.resolution;
|
||||
const pixelRatio = frameState.pixelRatio;
|
||||
const vectorLayerRevision = vectorLayer.getRevision();
|
||||
const vectorLayerRenderBuffer = vectorLayer.getRenderBuffer();
|
||||
let vectorLayerRenderOrder = vectorLayer.getRenderOrder();
|
||||
|
||||
if (vectorLayerRenderOrder === undefined) {
|
||||
vectorLayerRenderOrder = defaultRenderOrder;
|
||||
}
|
||||
|
||||
const extent = buffer(frameStateExtent,
|
||||
vectorLayerRenderBuffer * resolution);
|
||||
|
||||
if (!this.dirty_ &&
|
||||
this.renderedResolution_ == resolution &&
|
||||
this.renderedRevision_ == vectorLayerRevision &&
|
||||
this.renderedRenderOrder_ == vectorLayerRenderOrder &&
|
||||
containsExtent(this.renderedExtent_, extent)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (this.replayGroup_) {
|
||||
frameState.postRenderFunctions.push(
|
||||
this.replayGroup_.getDeleteResourcesFunction(context));
|
||||
}
|
||||
|
||||
this.dirty_ = false;
|
||||
|
||||
const replayGroup = new WebGLReplayGroup(
|
||||
getRenderTolerance(resolution, pixelRatio),
|
||||
extent, vectorLayer.getRenderBuffer());
|
||||
vectorSource.loadFeatures(extent, resolution, projection);
|
||||
/**
|
||||
* @param {module:ol/Feature} feature Feature.
|
||||
* @this {module:ol/renderer/webgl/VectorLayer}
|
||||
*/
|
||||
const render = function(feature) {
|
||||
let styles;
|
||||
const styleFunction = feature.getStyleFunction() || vectorLayer.getStyleFunction();
|
||||
if (styleFunction) {
|
||||
styles = styleFunction(feature, resolution);
|
||||
}
|
||||
if (styles) {
|
||||
const dirty = this.renderFeature(
|
||||
feature, resolution, pixelRatio, styles, replayGroup);
|
||||
this.dirty_ = this.dirty_ || dirty;
|
||||
}
|
||||
};
|
||||
if (vectorLayerRenderOrder) {
|
||||
/** @type {Array.<module:ol/Feature>} */
|
||||
const features = [];
|
||||
vectorSource.forEachFeatureInExtent(extent,
|
||||
/**
|
||||
* @param {module:ol/Feature} feature Feature.
|
||||
*/
|
||||
function(feature) {
|
||||
features.push(feature);
|
||||
}, this);
|
||||
features.sort(vectorLayerRenderOrder);
|
||||
features.forEach(render.bind(this));
|
||||
} else {
|
||||
vectorSource.forEachFeatureInExtent(extent, render, this);
|
||||
}
|
||||
replayGroup.finish(context);
|
||||
|
||||
this.renderedResolution_ = resolution;
|
||||
this.renderedRevision_ = vectorLayerRevision;
|
||||
this.renderedRenderOrder_ = vectorLayerRenderOrder;
|
||||
this.renderedExtent_ = extent;
|
||||
this.replayGroup_ = replayGroup;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* @param {module:ol/Feature} feature Feature.
|
||||
* @param {number} resolution Resolution.
|
||||
* @param {number} pixelRatio Pixel ratio.
|
||||
* @param {(module:ol/style/Style|Array.<module:ol/style/Style>)} styles The style or array of
|
||||
* styles.
|
||||
* @param {module:ol/render/webgl/ReplayGroup} replayGroup Replay group.
|
||||
* @return {boolean} `true` if an image is loading.
|
||||
*/
|
||||
renderFeature(feature, resolution, pixelRatio, styles, replayGroup) {
|
||||
if (!styles) {
|
||||
return false;
|
||||
}
|
||||
let loading = false;
|
||||
if (Array.isArray(styles)) {
|
||||
for (let i = styles.length - 1, ii = 0; i >= ii; --i) {
|
||||
loading = renderFeature(
|
||||
replayGroup, feature, styles[i],
|
||||
getSquaredRenderTolerance(resolution, pixelRatio),
|
||||
this.handleStyleImageChange_, this) || loading;
|
||||
}
|
||||
} else {
|
||||
loading = renderFeature(
|
||||
replayGroup, feature, styles,
|
||||
getSquaredRenderTolerance(resolution, pixelRatio),
|
||||
this.handleStyleImageChange_, this) || loading;
|
||||
}
|
||||
return loading;
|
||||
}
|
||||
}
|
||||
|
||||
inherits(WebGLVectorLayerRenderer, WebGLLayerRenderer);
|
||||
|
||||
@@ -93,241 +326,4 @@ WebGLVectorLayerRenderer['create'] = function(mapRenderer, layer) {
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
WebGLVectorLayerRenderer.prototype.composeFrame = function(frameState, layerState, context) {
|
||||
this.layerState_ = layerState;
|
||||
const viewState = frameState.viewState;
|
||||
const replayGroup = this.replayGroup_;
|
||||
const size = frameState.size;
|
||||
const pixelRatio = frameState.pixelRatio;
|
||||
const gl = this.mapRenderer.getGL();
|
||||
if (replayGroup && !replayGroup.isEmpty()) {
|
||||
gl.enable(gl.SCISSOR_TEST);
|
||||
gl.scissor(0, 0, size[0] * pixelRatio, size[1] * pixelRatio);
|
||||
replayGroup.replay(context,
|
||||
viewState.center, viewState.resolution, viewState.rotation,
|
||||
size, pixelRatio, layerState.opacity,
|
||||
layerState.managed ? frameState.skippedFeatureUids : {});
|
||||
gl.disable(gl.SCISSOR_TEST);
|
||||
}
|
||||
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
WebGLVectorLayerRenderer.prototype.disposeInternal = function() {
|
||||
const replayGroup = this.replayGroup_;
|
||||
if (replayGroup) {
|
||||
const context = this.mapRenderer.getContext();
|
||||
replayGroup.getDeleteResourcesFunction(context)();
|
||||
this.replayGroup_ = null;
|
||||
}
|
||||
WebGLLayerRenderer.prototype.disposeInternal.call(this);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
WebGLVectorLayerRenderer.prototype.forEachFeatureAtCoordinate = function(coordinate, frameState, hitTolerance, callback, thisArg) {
|
||||
if (!this.replayGroup_ || !this.layerState_) {
|
||||
return undefined;
|
||||
} else {
|
||||
const context = this.mapRenderer.getContext();
|
||||
const viewState = frameState.viewState;
|
||||
const layer = this.getLayer();
|
||||
const layerState = this.layerState_;
|
||||
/** @type {!Object.<string, boolean>} */
|
||||
const features = {};
|
||||
return this.replayGroup_.forEachFeatureAtCoordinate(coordinate,
|
||||
context, viewState.center, viewState.resolution, viewState.rotation,
|
||||
frameState.size, frameState.pixelRatio, layerState.opacity,
|
||||
{},
|
||||
/**
|
||||
* @param {module:ol/Feature|module:ol/render/Feature} feature Feature.
|
||||
* @return {?} Callback result.
|
||||
*/
|
||||
function(feature) {
|
||||
const key = getUid(feature).toString();
|
||||
if (!(key in features)) {
|
||||
features[key] = true;
|
||||
return callback.call(thisArg, feature, layer);
|
||||
}
|
||||
});
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
WebGLVectorLayerRenderer.prototype.hasFeatureAtCoordinate = function(coordinate, frameState) {
|
||||
if (!this.replayGroup_ || !this.layerState_) {
|
||||
return false;
|
||||
} else {
|
||||
const context = this.mapRenderer.getContext();
|
||||
const viewState = frameState.viewState;
|
||||
const layerState = this.layerState_;
|
||||
return this.replayGroup_.hasFeatureAtCoordinate(coordinate,
|
||||
context, viewState.center, viewState.resolution, viewState.rotation,
|
||||
frameState.size, frameState.pixelRatio, layerState.opacity,
|
||||
frameState.skippedFeatureUids);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
WebGLVectorLayerRenderer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {
|
||||
const coordinate = applyTransform(
|
||||
frameState.pixelToCoordinateTransform, pixel.slice());
|
||||
const hasFeature = this.hasFeatureAtCoordinate(coordinate, frameState);
|
||||
|
||||
if (hasFeature) {
|
||||
return callback.call(thisArg, this.getLayer(), null);
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Handle changes in image style state.
|
||||
* @param {module:ol/events/Event} event Image style change event.
|
||||
* @private
|
||||
*/
|
||||
WebGLVectorLayerRenderer.prototype.handleStyleImageChange_ = function(event) {
|
||||
this.renderIfReadyAndVisible();
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
WebGLVectorLayerRenderer.prototype.prepareFrame = function(frameState, layerState, context) {
|
||||
const vectorLayer = /** @type {module:ol/layer/Vector} */ (this.getLayer());
|
||||
const vectorSource = vectorLayer.getSource();
|
||||
|
||||
const animating = frameState.viewHints[ViewHint.ANIMATING];
|
||||
const interacting = frameState.viewHints[ViewHint.INTERACTING];
|
||||
const updateWhileAnimating = vectorLayer.getUpdateWhileAnimating();
|
||||
const updateWhileInteracting = vectorLayer.getUpdateWhileInteracting();
|
||||
|
||||
if (!this.dirty_ && (!updateWhileAnimating && animating) ||
|
||||
(!updateWhileInteracting && interacting)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
const frameStateExtent = frameState.extent;
|
||||
const viewState = frameState.viewState;
|
||||
const projection = viewState.projection;
|
||||
const resolution = viewState.resolution;
|
||||
const pixelRatio = frameState.pixelRatio;
|
||||
const vectorLayerRevision = vectorLayer.getRevision();
|
||||
const vectorLayerRenderBuffer = vectorLayer.getRenderBuffer();
|
||||
let vectorLayerRenderOrder = vectorLayer.getRenderOrder();
|
||||
|
||||
if (vectorLayerRenderOrder === undefined) {
|
||||
vectorLayerRenderOrder = defaultRenderOrder;
|
||||
}
|
||||
|
||||
const extent = buffer(frameStateExtent,
|
||||
vectorLayerRenderBuffer * resolution);
|
||||
|
||||
if (!this.dirty_ &&
|
||||
this.renderedResolution_ == resolution &&
|
||||
this.renderedRevision_ == vectorLayerRevision &&
|
||||
this.renderedRenderOrder_ == vectorLayerRenderOrder &&
|
||||
containsExtent(this.renderedExtent_, extent)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (this.replayGroup_) {
|
||||
frameState.postRenderFunctions.push(
|
||||
this.replayGroup_.getDeleteResourcesFunction(context));
|
||||
}
|
||||
|
||||
this.dirty_ = false;
|
||||
|
||||
const replayGroup = new WebGLReplayGroup(
|
||||
getRenderTolerance(resolution, pixelRatio),
|
||||
extent, vectorLayer.getRenderBuffer());
|
||||
vectorSource.loadFeatures(extent, resolution, projection);
|
||||
/**
|
||||
* @param {module:ol/Feature} feature Feature.
|
||||
* @this {module:ol/renderer/webgl/VectorLayer}
|
||||
*/
|
||||
const render = function(feature) {
|
||||
let styles;
|
||||
const styleFunction = feature.getStyleFunction() || vectorLayer.getStyleFunction();
|
||||
if (styleFunction) {
|
||||
styles = styleFunction(feature, resolution);
|
||||
}
|
||||
if (styles) {
|
||||
const dirty = this.renderFeature(
|
||||
feature, resolution, pixelRatio, styles, replayGroup);
|
||||
this.dirty_ = this.dirty_ || dirty;
|
||||
}
|
||||
};
|
||||
if (vectorLayerRenderOrder) {
|
||||
/** @type {Array.<module:ol/Feature>} */
|
||||
const features = [];
|
||||
vectorSource.forEachFeatureInExtent(extent,
|
||||
/**
|
||||
* @param {module:ol/Feature} feature Feature.
|
||||
*/
|
||||
function(feature) {
|
||||
features.push(feature);
|
||||
}, this);
|
||||
features.sort(vectorLayerRenderOrder);
|
||||
features.forEach(render.bind(this));
|
||||
} else {
|
||||
vectorSource.forEachFeatureInExtent(extent, render, this);
|
||||
}
|
||||
replayGroup.finish(context);
|
||||
|
||||
this.renderedResolution_ = resolution;
|
||||
this.renderedRevision_ = vectorLayerRevision;
|
||||
this.renderedRenderOrder_ = vectorLayerRenderOrder;
|
||||
this.renderedExtent_ = extent;
|
||||
this.replayGroup_ = replayGroup;
|
||||
|
||||
return true;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {module:ol/Feature} feature Feature.
|
||||
* @param {number} resolution Resolution.
|
||||
* @param {number} pixelRatio Pixel ratio.
|
||||
* @param {(module:ol/style/Style|Array.<module:ol/style/Style>)} styles The style or array of
|
||||
* styles.
|
||||
* @param {module:ol/render/webgl/ReplayGroup} replayGroup Replay group.
|
||||
* @return {boolean} `true` if an image is loading.
|
||||
*/
|
||||
WebGLVectorLayerRenderer.prototype.renderFeature = function(feature, resolution, pixelRatio, styles, replayGroup) {
|
||||
if (!styles) {
|
||||
return false;
|
||||
}
|
||||
let loading = false;
|
||||
if (Array.isArray(styles)) {
|
||||
for (let i = styles.length - 1, ii = 0; i >= ii; --i) {
|
||||
loading = renderFeature(
|
||||
replayGroup, feature, styles[i],
|
||||
getSquaredRenderTolerance(resolution, pixelRatio),
|
||||
this.handleStyleImageChange_, this) || loading;
|
||||
}
|
||||
} else {
|
||||
loading = renderFeature(
|
||||
replayGroup, feature, styles,
|
||||
getSquaredRenderTolerance(resolution, pixelRatio),
|
||||
this.handleStyleImageChange_, this) || loading;
|
||||
}
|
||||
return loading;
|
||||
};
|
||||
export default WebGLVectorLayerRenderer;
|
||||
|
||||
Reference in New Issue
Block a user