Wrap ol.renderer.webgl code in define condition
This commit is contained in:
Andreas Hocevar
+249
-245
@@ -12,294 +12,298 @@ goog.require('ol.webgl');
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goog.require('ol.webgl.Context');
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/**
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* @constructor
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* @extends {ol.renderer.webgl.Layer}
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* @param {ol.renderer.webgl.Map} mapRenderer Map renderer.
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* @param {ol.layer.Image} imageLayer Tile layer.
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*/
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ol.renderer.webgl.ImageLayer = function(mapRenderer, imageLayer) {
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ol.renderer.webgl.Layer.call(this, mapRenderer, imageLayer);
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if (ol.ENABLE_WEBGL) {
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/**
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* The last rendered image.
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* @private
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* @type {?ol.ImageBase}
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* @constructor
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* @extends {ol.renderer.webgl.Layer}
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* @param {ol.renderer.webgl.Map} mapRenderer Map renderer.
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* @param {ol.layer.Image} imageLayer Tile layer.
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*/
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this.image_ = null;
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ol.renderer.webgl.ImageLayer = function(mapRenderer, imageLayer) {
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ol.renderer.webgl.Layer.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 {?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 {?ol.Transform}
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*/
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this.hitTransformationMatrix_ = null;
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};
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ol.inherits(ol.renderer.webgl.ImageLayer, ol.renderer.webgl.Layer);
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/**
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* @param {ol.ImageBase} image Image.
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* @private
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* @type {CanvasRenderingContext2D}
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* @return {WebGLTexture} Texture.
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*/
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this.hitCanvasContext_ = null;
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ol.renderer.webgl.ImageLayer.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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var imageElement = image.getImage();
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var gl = this.mapRenderer.getGL();
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return ol.webgl.Context.createTexture(
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gl, imageElement, ol.webgl.CLAMP_TO_EDGE, ol.webgl.CLAMP_TO_EDGE);
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};
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/**
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* @private
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* @type {?ol.Transform}
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* @inheritDoc
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*/
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this.hitTransformationMatrix_ = null;
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ol.renderer.webgl.ImageLayer.prototype.forEachFeatureAtCoordinate = function(coordinate, frameState, hitTolerance, callback, thisArg) {
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var layer = this.getLayer();
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var source = layer.getSource();
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var resolution = frameState.viewState.resolution;
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var rotation = frameState.viewState.rotation;
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var 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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ol.inherits(ol.renderer.webgl.ImageLayer, ol.renderer.webgl.Layer);
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/**
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* @param {ol.Feature|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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* @param {ol.ImageBase} image Image.
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* @private
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* @return {WebGLTexture} Texture.
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*/
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ol.renderer.webgl.ImageLayer.prototype.createTexture_ = function(image) {
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/**
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* @inheritDoc
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*/
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ol.renderer.webgl.ImageLayer.prototype.prepareFrame = function(frameState, layerState, context) {
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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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var gl = this.mapRenderer.getGL();
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var imageElement = image.getImage();
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var gl = this.mapRenderer.getGL();
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var pixelRatio = frameState.pixelRatio;
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var viewState = frameState.viewState;
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var viewCenter = viewState.center;
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var viewResolution = viewState.resolution;
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var viewRotation = viewState.rotation;
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return ol.webgl.Context.createTexture(
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gl, imageElement, ol.webgl.CLAMP_TO_EDGE, ol.webgl.CLAMP_TO_EDGE);
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};
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var image = this.image_;
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var texture = this.texture;
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var imageLayer = /** @type {ol.layer.Image} */ (this.getLayer());
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var imageSource = imageLayer.getSource();
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var hints = frameState.viewHints;
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/**
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* @inheritDoc
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*/
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ol.renderer.webgl.ImageLayer.prototype.forEachFeatureAtCoordinate = function(coordinate, frameState, hitTolerance, callback, thisArg) {
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var layer = this.getLayer();
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var source = layer.getSource();
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var resolution = frameState.viewState.resolution;
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var rotation = frameState.viewState.rotation;
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var 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 {ol.Feature|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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ol.renderer.webgl.ImageLayer.prototype.prepareFrame = function(frameState, layerState, context) {
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var gl = this.mapRenderer.getGL();
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var pixelRatio = frameState.pixelRatio;
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var viewState = frameState.viewState;
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var viewCenter = viewState.center;
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var viewResolution = viewState.resolution;
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var viewRotation = viewState.rotation;
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var image = this.image_;
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var texture = this.texture;
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var imageLayer = /** @type {ol.layer.Image} */ (this.getLayer());
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var imageSource = imageLayer.getSource();
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var hints = frameState.viewHints;
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var renderedExtent = frameState.extent;
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if (layerState.extent !== undefined) {
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renderedExtent = ol.extent.getIntersection(
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renderedExtent, layerState.extent);
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}
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if (!hints[ol.ViewHint.ANIMATING] && !hints[ol.ViewHint.INTERACTING] &&
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!ol.extent.isEmpty(renderedExtent)) {
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var projection = viewState.projection;
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if (!ol.ENABLE_RASTER_REPROJECTION) {
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var sourceProjection = imageSource.getProjection();
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if (sourceProjection) {
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projection = sourceProjection;
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}
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var renderedExtent = frameState.extent;
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if (layerState.extent !== undefined) {
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renderedExtent = ol.extent.getIntersection(
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renderedExtent, layerState.extent);
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}
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var image_ = imageSource.getImage(renderedExtent, viewResolution,
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pixelRatio, projection);
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if (image_) {
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var 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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var 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 {ol.PostRenderFunction} */ (postRenderFunction)
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);
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if (!hints[ol.ViewHint.ANIMATING] && !hints[ol.ViewHint.INTERACTING] &&
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!ol.extent.isEmpty(renderedExtent)) {
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var projection = viewState.projection;
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if (!ol.ENABLE_RASTER_REPROJECTION) {
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var 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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var image_ = imageSource.getImage(renderedExtent, viewResolution,
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pixelRatio, projection);
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if (image_) {
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var 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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var 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 {ol.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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}
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if (image) {
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var canvas = this.mapRenderer.getContext().getCanvas();
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if (image) {
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var 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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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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var texCoordMatrix = this.texCoordMatrix;
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ol.transform.reset(texCoordMatrix);
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ol.transform.scale(texCoordMatrix, 1, -1);
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ol.transform.translate(texCoordMatrix, 0, -1);
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// Translate and scale to flip the Y coord.
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var texCoordMatrix = this.texCoordMatrix;
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ol.transform.reset(texCoordMatrix);
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ol.transform.scale(texCoordMatrix, 1, -1);
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ol.transform.translate(texCoordMatrix, 0, -1);
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this.image_ = image;
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this.texture = texture;
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this.image_ = image;
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this.texture = texture;
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this.updateAttributions(frameState.attributions, image.getAttributions());
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this.updateLogos(frameState, imageSource);
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}
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this.updateAttributions(frameState.attributions, image.getAttributions());
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this.updateLogos(frameState, imageSource);
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}
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return !!image;
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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 {ol.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 {ol.Extent} imageExtent Image extent.
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* @private
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*/
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ol.renderer.webgl.ImageLayer.prototype.updateProjectionMatrix_ = function(canvasWidth, canvasHeight, pixelRatio,
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viewCenter, viewResolution, viewRotation, imageExtent) {
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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 {ol.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 {ol.Extent} imageExtent Image extent.
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* @private
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*/
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ol.renderer.webgl.ImageLayer.prototype.updateProjectionMatrix_ = function(canvasWidth, canvasHeight, pixelRatio,
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viewCenter, viewResolution, viewRotation, imageExtent) {
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var canvasExtentWidth = canvasWidth * viewResolution;
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var canvasExtentHeight = canvasHeight * viewResolution;
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var canvasExtentWidth = canvasWidth * viewResolution;
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var canvasExtentHeight = canvasHeight * viewResolution;
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var projectionMatrix = this.projectionMatrix;
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ol.transform.reset(projectionMatrix);
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ol.transform.scale(projectionMatrix,
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pixelRatio * 2 / canvasExtentWidth,
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pixelRatio * 2 / canvasExtentHeight);
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ol.transform.rotate(projectionMatrix, -viewRotation);
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ol.transform.translate(projectionMatrix,
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imageExtent[0] - viewCenter[0],
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imageExtent[1] - viewCenter[1]);
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ol.transform.scale(projectionMatrix,
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(imageExtent[2] - imageExtent[0]) / 2,
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(imageExtent[3] - imageExtent[1]) / 2);
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ol.transform.translate(projectionMatrix, 1, 1);
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var projectionMatrix = this.projectionMatrix;
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ol.transform.reset(projectionMatrix);
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ol.transform.scale(projectionMatrix,
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pixelRatio * 2 / canvasExtentWidth,
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pixelRatio * 2 / canvasExtentHeight);
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ol.transform.rotate(projectionMatrix, -viewRotation);
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ol.transform.translate(projectionMatrix,
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imageExtent[0] - viewCenter[0],
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imageExtent[1] - viewCenter[1]);
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ol.transform.scale(projectionMatrix,
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(imageExtent[2] - imageExtent[0]) / 2,
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(imageExtent[3] - imageExtent[1]) / 2);
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ol.transform.translate(projectionMatrix, 1, 1);
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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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ol.renderer.webgl.ImageLayer.prototype.hasFeatureAtCoordinate = function(coordinate, frameState) {
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var hasFeature = this.forEachFeatureAtCoordinate(
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coordinate, frameState, 0, ol.functions.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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ol.renderer.webgl.ImageLayer.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() instanceof ol.source.ImageVector) {
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// for ImageVector sources use the original hit-detection logic,
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// so that for example also transparent polygons are detected
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var coordinate = ol.transform.apply(
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frameState.pixelToCoordinateTransform, pixel.slice());
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/**
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* @inheritDoc
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*/
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ol.renderer.webgl.ImageLayer.prototype.hasFeatureAtCoordinate = function(coordinate, frameState) {
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var hasFeature = this.forEachFeatureAtCoordinate(
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coordinate, frameState, 0, ol.functions.TRUE, this);
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return hasFeature !== undefined;
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};
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if (hasFeature) {
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return callback.call(thisArg, this.getLayer(), null);
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/**
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* @inheritDoc
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*/
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ol.renderer.webgl.ImageLayer.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() instanceof ol.source.ImageVector) {
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// for ImageVector sources use the original hit-detection logic,
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// so that for example also transparent polygons are detected
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var coordinate = ol.transform.apply(
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frameState.pixelToCoordinateTransform, pixel.slice());
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var hasFeature = this.forEachFeatureAtCoordinate(
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coordinate, frameState, 0, ol.functions.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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return undefined;
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var 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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var pixelOnFrameBuffer = ol.transform.apply(
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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_ = ol.dom.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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var 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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} else {
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var 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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var pixelOnFrameBuffer = ol.transform.apply(
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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_ = ol.dom.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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var imageData = this.hitCanvasContext_.getImageData(0, 0, 1, 1).data;
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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 {ol.Size} mapSize The map size.
|
||||
* @param {ol.Size} imageSize The image size.
|
||||
* @return {ol.Transform} The transformation matrix.
|
||||
* @private
|
||||
*/
|
||||
ol.renderer.webgl.ImageLayer.prototype.getHitTransformationMatrix_ = function(mapSize, imageSize) {
|
||||
// the first matrix takes a map pixel, flips the y-axis and scales to
|
||||
// a range between -1 ... 1
|
||||
var mapCoordTransform = ol.transform.create();
|
||||
ol.transform.translate(mapCoordTransform, -1, -1);
|
||||
ol.transform.scale(mapCoordTransform, 2 / mapSize[0], 2 / mapSize[1]);
|
||||
ol.transform.translate(mapCoordTransform, 0, mapSize[1]);
|
||||
ol.transform.scale(mapCoordTransform, 1, -1);
|
||||
/**
|
||||
* The transformation matrix to get the pixel on the image for a
|
||||
* pixel on the map.
|
||||
* @param {ol.Size} mapSize The map size.
|
||||
* @param {ol.Size} imageSize The image size.
|
||||
* @return {ol.Transform} The transformation matrix.
|
||||
* @private
|
||||
*/
|
||||
ol.renderer.webgl.ImageLayer.prototype.getHitTransformationMatrix_ = function(mapSize, imageSize) {
|
||||
// the first matrix takes a map pixel, flips the y-axis and scales to
|
||||
// a range between -1 ... 1
|
||||
var mapCoordTransform = ol.transform.create();
|
||||
ol.transform.translate(mapCoordTransform, -1, -1);
|
||||
ol.transform.scale(mapCoordTransform, 2 / mapSize[0], 2 / mapSize[1]);
|
||||
ol.transform.translate(mapCoordTransform, 0, mapSize[1]);
|
||||
ol.transform.scale(mapCoordTransform, 1, -1);
|
||||
|
||||
// the second matrix is the inverse of the projection matrix used in the
|
||||
// shader for drawing
|
||||
var projectionMatrixInv = ol.transform.invert(this.projectionMatrix.slice());
|
||||
// the second matrix is the inverse of the projection matrix used in the
|
||||
// shader for drawing
|
||||
var projectionMatrixInv = ol.transform.invert(this.projectionMatrix.slice());
|
||||
|
||||
// the third matrix scales to the image dimensions and flips the y-axis again
|
||||
var transform = ol.transform.create();
|
||||
ol.transform.translate(transform, 0, imageSize[1]);
|
||||
ol.transform.scale(transform, 1, -1);
|
||||
ol.transform.scale(transform, imageSize[0] / 2, imageSize[1] / 2);
|
||||
ol.transform.translate(transform, 1, 1);
|
||||
// the third matrix scales to the image dimensions and flips the y-axis again
|
||||
var transform = ol.transform.create();
|
||||
ol.transform.translate(transform, 0, imageSize[1]);
|
||||
ol.transform.scale(transform, 1, -1);
|
||||
ol.transform.scale(transform, imageSize[0] / 2, imageSize[1] / 2);
|
||||
ol.transform.translate(transform, 1, 1);
|
||||
|
||||
ol.transform.multiply(transform, projectionMatrixInv);
|
||||
ol.transform.multiply(transform, mapCoordTransform);
|
||||
ol.transform.multiply(transform, projectionMatrixInv);
|
||||
ol.transform.multiply(transform, mapCoordTransform);
|
||||
|
||||
return transform;
|
||||
};
|
||||
return transform;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
+218
-214
@@ -13,255 +13,259 @@ goog.require('ol.webgl.Buffer');
|
||||
goog.require('ol.webgl.Context');
|
||||
|
||||
|
||||
/**
|
||||
* @constructor
|
||||
* @extends {ol.renderer.Layer}
|
||||
* @param {ol.renderer.webgl.Map} mapRenderer Map renderer.
|
||||
* @param {ol.layer.Layer} layer Layer.
|
||||
*/
|
||||
ol.renderer.webgl.Layer = function(mapRenderer, layer) {
|
||||
|
||||
ol.renderer.Layer.call(this, layer);
|
||||
if (ol.ENABLE_WEBGL) {
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {ol.renderer.webgl.Map}
|
||||
* @constructor
|
||||
* @extends {ol.renderer.Layer}
|
||||
* @param {ol.renderer.webgl.Map} mapRenderer Map renderer.
|
||||
* @param {ol.layer.Layer} layer Layer.
|
||||
*/
|
||||
this.mapRenderer = mapRenderer;
|
||||
ol.renderer.webgl.Layer = function(mapRenderer, layer) {
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.webgl.Buffer}
|
||||
*/
|
||||
this.arrayBuffer_ = new ol.webgl.Buffer([
|
||||
-1, -1, 0, 0,
|
||||
1, -1, 1, 0,
|
||||
-1, 1, 0, 1,
|
||||
1, 1, 1, 1
|
||||
]);
|
||||
ol.renderer.Layer.call(this, layer);
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {WebGLTexture}
|
||||
*/
|
||||
this.texture = null;
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {WebGLFramebuffer}
|
||||
*/
|
||||
this.framebuffer = null;
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {number|undefined}
|
||||
*/
|
||||
this.framebufferDimension = undefined;
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {ol.Transform}
|
||||
*/
|
||||
this.texCoordMatrix = ol.transform.create();
|
||||
|
||||
/**
|
||||
* @protected
|
||||
* @type {ol.Transform}
|
||||
*/
|
||||
this.projectionMatrix = ol.transform.create();
|
||||
|
||||
/**
|
||||
* @type {Array.<number>}
|
||||
* @private
|
||||
*/
|
||||
this.tmpMat4_ = ol.vec.Mat4.create();
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.renderer.webgl.defaultmapshader.Locations}
|
||||
*/
|
||||
this.defaultLocations_ = null;
|
||||
|
||||
};
|
||||
ol.inherits(ol.renderer.webgl.Layer, ol.renderer.Layer);
|
||||
|
||||
|
||||
/**
|
||||
* @param {olx.FrameState} frameState Frame state.
|
||||
* @param {number} framebufferDimension Framebuffer dimension.
|
||||
* @protected
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.bindFramebuffer = function(frameState, framebufferDimension) {
|
||||
|
||||
var gl = this.mapRenderer.getGL();
|
||||
|
||||
if (this.framebufferDimension === undefined ||
|
||||
this.framebufferDimension != framebufferDimension) {
|
||||
/**
|
||||
* @param {WebGLRenderingContext} gl GL.
|
||||
* @param {WebGLFramebuffer} framebuffer Framebuffer.
|
||||
* @param {WebGLTexture} texture Texture.
|
||||
* @protected
|
||||
* @type {ol.renderer.webgl.Map}
|
||||
*/
|
||||
var postRenderFunction = function(gl, framebuffer, texture) {
|
||||
if (!gl.isContextLost()) {
|
||||
gl.deleteFramebuffer(framebuffer);
|
||||
gl.deleteTexture(texture);
|
||||
}
|
||||
}.bind(null, gl, this.framebuffer, this.texture);
|
||||
this.mapRenderer = mapRenderer;
|
||||
|
||||
frameState.postRenderFunctions.push(
|
||||
/** @type {ol.PostRenderFunction} */ (postRenderFunction)
|
||||
);
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.webgl.Buffer}
|
||||
*/
|
||||
this.arrayBuffer_ = new ol.webgl.Buffer([
|
||||
-1, -1, 0, 0,
|
||||
1, -1, 1, 0,
|
||||
-1, 1, 0, 1,
|
||||
1, 1, 1, 1
|
||||
]);
|
||||
|
||||
var texture = ol.webgl.Context.createEmptyTexture(
|
||||
gl, framebufferDimension, framebufferDimension);
|
||||
/**
|
||||
* @protected
|
||||
* @type {WebGLTexture}
|
||||
*/
|
||||
this.texture = null;
|
||||
|
||||
var framebuffer = gl.createFramebuffer();
|
||||
gl.bindFramebuffer(ol.webgl.FRAMEBUFFER, framebuffer);
|
||||
gl.framebufferTexture2D(ol.webgl.FRAMEBUFFER,
|
||||
ol.webgl.COLOR_ATTACHMENT0, ol.webgl.TEXTURE_2D, texture, 0);
|
||||
/**
|
||||
* @protected
|
||||
* @type {WebGLFramebuffer}
|
||||
*/
|
||||
this.framebuffer = null;
|
||||
|
||||
this.texture = texture;
|
||||
this.framebuffer = framebuffer;
|
||||
this.framebufferDimension = framebufferDimension;
|
||||
/**
|
||||
* @protected
|
||||
* @type {number|undefined}
|
||||
*/
|
||||
this.framebufferDimension = undefined;
|
||||
|
||||
} else {
|
||||
gl.bindFramebuffer(ol.webgl.FRAMEBUFFER, this.framebuffer);
|
||||
}
|
||||
/**
|
||||
* @protected
|
||||
* @type {ol.Transform}
|
||||
*/
|
||||
this.texCoordMatrix = ol.transform.create();
|
||||
|
||||
};
|
||||
/**
|
||||
* @protected
|
||||
* @type {ol.Transform}
|
||||
*/
|
||||
this.projectionMatrix = ol.transform.create();
|
||||
|
||||
/**
|
||||
* @type {Array.<number>}
|
||||
* @private
|
||||
*/
|
||||
this.tmpMat4_ = ol.vec.Mat4.create();
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.renderer.webgl.defaultmapshader.Locations}
|
||||
*/
|
||||
this.defaultLocations_ = null;
|
||||
|
||||
};
|
||||
ol.inherits(ol.renderer.webgl.Layer, ol.renderer.Layer);
|
||||
|
||||
|
||||
/**
|
||||
* @param {olx.FrameState} frameState Frame state.
|
||||
* @param {ol.LayerState} layerState Layer state.
|
||||
* @param {ol.webgl.Context} context Context.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.composeFrame = function(frameState, layerState, context) {
|
||||
/**
|
||||
* @param {olx.FrameState} frameState Frame state.
|
||||
* @param {number} framebufferDimension Framebuffer dimension.
|
||||
* @protected
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.bindFramebuffer = function(frameState, framebufferDimension) {
|
||||
|
||||
this.dispatchComposeEvent_(
|
||||
ol.render.EventType.PRECOMPOSE, context, frameState);
|
||||
var gl = this.mapRenderer.getGL();
|
||||
|
||||
context.bindBuffer(ol.webgl.ARRAY_BUFFER, this.arrayBuffer_);
|
||||
if (this.framebufferDimension === undefined ||
|
||||
this.framebufferDimension != framebufferDimension) {
|
||||
/**
|
||||
* @param {WebGLRenderingContext} gl GL.
|
||||
* @param {WebGLFramebuffer} framebuffer Framebuffer.
|
||||
* @param {WebGLTexture} texture Texture.
|
||||
*/
|
||||
var postRenderFunction = function(gl, framebuffer, texture) {
|
||||
if (!gl.isContextLost()) {
|
||||
gl.deleteFramebuffer(framebuffer);
|
||||
gl.deleteTexture(texture);
|
||||
}
|
||||
}.bind(null, gl, this.framebuffer, this.texture);
|
||||
|
||||
var gl = context.getGL();
|
||||
frameState.postRenderFunctions.push(
|
||||
/** @type {ol.PostRenderFunction} */ (postRenderFunction)
|
||||
);
|
||||
|
||||
var fragmentShader = ol.renderer.webgl.defaultmapshader.fragment;
|
||||
var vertexShader = ol.renderer.webgl.defaultmapshader.vertex;
|
||||
var texture = ol.webgl.Context.createEmptyTexture(
|
||||
gl, framebufferDimension, framebufferDimension);
|
||||
|
||||
var program = context.getProgram(fragmentShader, vertexShader);
|
||||
var framebuffer = gl.createFramebuffer();
|
||||
gl.bindFramebuffer(ol.webgl.FRAMEBUFFER, framebuffer);
|
||||
gl.framebufferTexture2D(ol.webgl.FRAMEBUFFER,
|
||||
ol.webgl.COLOR_ATTACHMENT0, ol.webgl.TEXTURE_2D, texture, 0);
|
||||
|
||||
var locations;
|
||||
if (!this.defaultLocations_) {
|
||||
locations =
|
||||
new ol.renderer.webgl.defaultmapshader.Locations(gl, program);
|
||||
this.defaultLocations_ = locations;
|
||||
} else {
|
||||
locations = this.defaultLocations_;
|
||||
}
|
||||
this.texture = texture;
|
||||
this.framebuffer = framebuffer;
|
||||
this.framebufferDimension = framebufferDimension;
|
||||
|
||||
if (context.useProgram(program)) {
|
||||
gl.enableVertexAttribArray(locations.a_position);
|
||||
gl.vertexAttribPointer(
|
||||
locations.a_position, 2, ol.webgl.FLOAT, false, 16, 0);
|
||||
gl.enableVertexAttribArray(locations.a_texCoord);
|
||||
gl.vertexAttribPointer(
|
||||
locations.a_texCoord, 2, ol.webgl.FLOAT, false, 16, 8);
|
||||
gl.uniform1i(locations.u_texture, 0);
|
||||
}
|
||||
} else {
|
||||
gl.bindFramebuffer(ol.webgl.FRAMEBUFFER, this.framebuffer);
|
||||
}
|
||||
|
||||
gl.uniformMatrix4fv(locations.u_texCoordMatrix, false,
|
||||
ol.vec.Mat4.fromTransform(this.tmpMat4_, this.getTexCoordMatrix()));
|
||||
gl.uniformMatrix4fv(locations.u_projectionMatrix, false,
|
||||
ol.vec.Mat4.fromTransform(this.tmpMat4_, this.getProjectionMatrix()));
|
||||
gl.uniform1f(locations.u_opacity, layerState.opacity);
|
||||
gl.bindTexture(ol.webgl.TEXTURE_2D, this.getTexture());
|
||||
gl.drawArrays(ol.webgl.TRIANGLE_STRIP, 0, 4);
|
||||
|
||||
this.dispatchComposeEvent_(
|
||||
ol.render.EventType.POSTCOMPOSE, context, frameState);
|
||||
|
||||
};
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {ol.render.EventType} type Event type.
|
||||
* @param {ol.webgl.Context} context WebGL context.
|
||||
* @param {olx.FrameState} frameState Frame state.
|
||||
* @private
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.dispatchComposeEvent_ = function(type, context, frameState) {
|
||||
var layer = this.getLayer();
|
||||
if (layer.hasListener(type)) {
|
||||
var viewState = frameState.viewState;
|
||||
var resolution = viewState.resolution;
|
||||
var pixelRatio = frameState.pixelRatio;
|
||||
var extent = frameState.extent;
|
||||
var center = viewState.center;
|
||||
var rotation = viewState.rotation;
|
||||
var size = frameState.size;
|
||||
/**
|
||||
* @param {olx.FrameState} frameState Frame state.
|
||||
* @param {ol.LayerState} layerState Layer state.
|
||||
* @param {ol.webgl.Context} context Context.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.composeFrame = function(frameState, layerState, context) {
|
||||
|
||||
var render = new ol.render.webgl.Immediate(
|
||||
context, center, resolution, rotation, size, extent, pixelRatio);
|
||||
var composeEvent = new ol.render.Event(
|
||||
type, render, frameState, null, context);
|
||||
layer.dispatchEvent(composeEvent);
|
||||
}
|
||||
};
|
||||
this.dispatchComposeEvent_(
|
||||
ol.render.EventType.PRECOMPOSE, context, frameState);
|
||||
|
||||
context.bindBuffer(ol.webgl.ARRAY_BUFFER, this.arrayBuffer_);
|
||||
|
||||
var gl = context.getGL();
|
||||
|
||||
var fragmentShader = ol.renderer.webgl.defaultmapshader.fragment;
|
||||
var vertexShader = ol.renderer.webgl.defaultmapshader.vertex;
|
||||
|
||||
var program = context.getProgram(fragmentShader, vertexShader);
|
||||
|
||||
var locations;
|
||||
if (!this.defaultLocations_) {
|
||||
locations =
|
||||
new ol.renderer.webgl.defaultmapshader.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, ol.webgl.FLOAT, false, 16, 0);
|
||||
gl.enableVertexAttribArray(locations.a_texCoord);
|
||||
gl.vertexAttribPointer(
|
||||
locations.a_texCoord, 2, ol.webgl.FLOAT, false, 16, 8);
|
||||
gl.uniform1i(locations.u_texture, 0);
|
||||
}
|
||||
|
||||
gl.uniformMatrix4fv(locations.u_texCoordMatrix, false,
|
||||
ol.vec.Mat4.fromTransform(this.tmpMat4_, this.getTexCoordMatrix()));
|
||||
gl.uniformMatrix4fv(locations.u_projectionMatrix, false,
|
||||
ol.vec.Mat4.fromTransform(this.tmpMat4_, this.getProjectionMatrix()));
|
||||
gl.uniform1f(locations.u_opacity, layerState.opacity);
|
||||
gl.bindTexture(ol.webgl.TEXTURE_2D, this.getTexture());
|
||||
gl.drawArrays(ol.webgl.TRIANGLE_STRIP, 0, 4);
|
||||
|
||||
this.dispatchComposeEvent_(
|
||||
ol.render.EventType.POSTCOMPOSE, context, frameState);
|
||||
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @return {!ol.Transform} Matrix.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.getTexCoordMatrix = function() {
|
||||
return this.texCoordMatrix;
|
||||
};
|
||||
/**
|
||||
* @param {ol.render.EventType} type Event type.
|
||||
* @param {ol.webgl.Context} context WebGL context.
|
||||
* @param {olx.FrameState} frameState Frame state.
|
||||
* @private
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.dispatchComposeEvent_ = function(type, context, frameState) {
|
||||
var layer = this.getLayer();
|
||||
if (layer.hasListener(type)) {
|
||||
var viewState = frameState.viewState;
|
||||
var resolution = viewState.resolution;
|
||||
var pixelRatio = frameState.pixelRatio;
|
||||
var extent = frameState.extent;
|
||||
var center = viewState.center;
|
||||
var rotation = viewState.rotation;
|
||||
var size = frameState.size;
|
||||
|
||||
var render = new ol.render.webgl.Immediate(
|
||||
context, center, resolution, rotation, size, extent, pixelRatio);
|
||||
var composeEvent = new ol.render.Event(
|
||||
type, render, frameState, null, context);
|
||||
layer.dispatchEvent(composeEvent);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @return {WebGLTexture} Texture.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.getTexture = function() {
|
||||
return this.texture;
|
||||
};
|
||||
/**
|
||||
* @return {!ol.Transform} Matrix.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.getTexCoordMatrix = function() {
|
||||
return this.texCoordMatrix;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @return {!ol.Transform} Matrix.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.getProjectionMatrix = function() {
|
||||
return this.projectionMatrix;
|
||||
};
|
||||
/**
|
||||
* @return {WebGLTexture} Texture.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.getTexture = function() {
|
||||
return this.texture;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Handle webglcontextlost.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.handleWebGLContextLost = function() {
|
||||
this.texture = null;
|
||||
this.framebuffer = null;
|
||||
this.framebufferDimension = undefined;
|
||||
};
|
||||
/**
|
||||
* @return {!ol.Transform} Matrix.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.getProjectionMatrix = function() {
|
||||
return this.projectionMatrix;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @abstract
|
||||
* @param {olx.FrameState} frameState Frame state.
|
||||
* @param {ol.LayerState} layerState Layer state.
|
||||
* @param {ol.webgl.Context} context Context.
|
||||
* @return {boolean} whether composeFrame should be called.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.prepareFrame = function(frameState, layerState, context) {};
|
||||
/**
|
||||
* Handle webglcontextlost.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.handleWebGLContextLost = function() {
|
||||
this.texture = null;
|
||||
this.framebuffer = null;
|
||||
this.framebufferDimension = undefined;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @abstract
|
||||
* @param {ol.Pixel} pixel Pixel.
|
||||
* @param {olx.FrameState} frameState FrameState.
|
||||
* @param {function(this: S, 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
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {};
|
||||
/**
|
||||
* @abstract
|
||||
* @param {olx.FrameState} frameState Frame state.
|
||||
* @param {ol.LayerState} layerState Layer state.
|
||||
* @param {ol.webgl.Context} context Context.
|
||||
* @return {boolean} whether composeFrame should be called.
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.prepareFrame = function(frameState, layerState, context) {};
|
||||
|
||||
|
||||
/**
|
||||
* @abstract
|
||||
* @param {ol.Pixel} pixel Pixel.
|
||||
* @param {olx.FrameState} frameState FrameState.
|
||||
* @param {function(this: S, 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
|
||||
*/
|
||||
ol.renderer.webgl.Layer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {};
|
||||
|
||||
}
|
||||
|
||||
+500
-496
File diff suppressed because it is too large
Load Diff
+347
-343
@@ -17,373 +17,377 @@ goog.require('ol.webgl');
|
||||
goog.require('ol.webgl.Buffer');
|
||||
|
||||
|
||||
/**
|
||||
* @constructor
|
||||
* @extends {ol.renderer.webgl.Layer}
|
||||
* @param {ol.renderer.webgl.Map} mapRenderer Map renderer.
|
||||
* @param {ol.layer.Tile} tileLayer Tile layer.
|
||||
*/
|
||||
ol.renderer.webgl.TileLayer = function(mapRenderer, tileLayer) {
|
||||
|
||||
ol.renderer.webgl.Layer.call(this, mapRenderer, tileLayer);
|
||||
if (ol.ENABLE_WEBGL) {
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.webgl.Fragment}
|
||||
* @constructor
|
||||
* @extends {ol.renderer.webgl.Layer}
|
||||
* @param {ol.renderer.webgl.Map} mapRenderer Map renderer.
|
||||
* @param {ol.layer.Tile} tileLayer Tile layer.
|
||||
*/
|
||||
this.fragmentShader_ = ol.renderer.webgl.tilelayershader.fragment;
|
||||
ol.renderer.webgl.TileLayer = function(mapRenderer, tileLayer) {
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.webgl.Vertex}
|
||||
*/
|
||||
this.vertexShader_ = ol.renderer.webgl.tilelayershader.vertex;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.renderer.webgl.tilelayershader.Locations}
|
||||
*/
|
||||
this.locations_ = null;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.webgl.Buffer}
|
||||
*/
|
||||
this.renderArrayBuffer_ = new ol.webgl.Buffer([
|
||||
0, 0, 0, 1,
|
||||
1, 0, 1, 1,
|
||||
0, 1, 0, 0,
|
||||
1, 1, 1, 0
|
||||
]);
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.TileRange}
|
||||
*/
|
||||
this.renderedTileRange_ = null;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.Extent}
|
||||
*/
|
||||
this.renderedFramebufferExtent_ = null;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
*/
|
||||
this.renderedRevision_ = -1;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.Size}
|
||||
*/
|
||||
this.tmpSize_ = [0, 0];
|
||||
|
||||
};
|
||||
ol.inherits(ol.renderer.webgl.TileLayer, ol.renderer.webgl.Layer);
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.TileLayer.prototype.disposeInternal = function() {
|
||||
var context = this.mapRenderer.getContext();
|
||||
context.deleteBuffer(this.renderArrayBuffer_);
|
||||
ol.renderer.webgl.Layer.prototype.disposeInternal.call(this);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Create a function that adds loaded tiles to the tile lookup.
|
||||
* @param {ol.source.Tile} source Tile source.
|
||||
* @param {ol.proj.Projection} projection Projection of the tiles.
|
||||
* @param {Object.<number, Object.<string, ol.Tile>>} tiles Lookup of loaded
|
||||
* tiles by zoom level.
|
||||
* @return {function(number, ol.TileRange):boolean} A function that can be
|
||||
* called with a zoom level and a tile range to add loaded tiles to the
|
||||
* lookup.
|
||||
* @protected
|
||||
*/
|
||||
ol.renderer.webgl.TileLayer.prototype.createLoadedTileFinder = function(source, projection, tiles) {
|
||||
var mapRenderer = this.mapRenderer;
|
||||
|
||||
return (
|
||||
/**
|
||||
* @param {number} zoom Zoom level.
|
||||
* @param {ol.TileRange} tileRange Tile range.
|
||||
* @return {boolean} The tile range is fully loaded.
|
||||
*/
|
||||
function(zoom, tileRange) {
|
||||
function callback(tile) {
|
||||
var 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
|
||||
*/
|
||||
ol.renderer.webgl.TileLayer.prototype.handleWebGLContextLost = function() {
|
||||
ol.renderer.webgl.Layer.prototype.handleWebGLContextLost.call(this);
|
||||
this.locations_ = null;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.TileLayer.prototype.prepareFrame = function(frameState, layerState, context) {
|
||||
|
||||
var mapRenderer = this.mapRenderer;
|
||||
var gl = context.getGL();
|
||||
|
||||
var viewState = frameState.viewState;
|
||||
var projection = viewState.projection;
|
||||
|
||||
var tileLayer = /** @type {ol.layer.Tile} */ (this.getLayer());
|
||||
var tileSource = tileLayer.getSource();
|
||||
var tileGrid = tileSource.getTileGridForProjection(projection);
|
||||
var z = tileGrid.getZForResolution(viewState.resolution);
|
||||
var tileResolution = tileGrid.getResolution(z);
|
||||
|
||||
var tilePixelSize =
|
||||
tileSource.getTilePixelSize(z, frameState.pixelRatio, projection);
|
||||
var pixelRatio = tilePixelSize[0] /
|
||||
ol.size.toSize(tileGrid.getTileSize(z), this.tmpSize_)[0];
|
||||
var tilePixelResolution = tileResolution / pixelRatio;
|
||||
var tileGutter = tileSource.getTilePixelRatio(pixelRatio) * tileSource.getGutter(projection);
|
||||
|
||||
var center = viewState.center;
|
||||
var extent = frameState.extent;
|
||||
var tileRange = tileGrid.getTileRangeForExtentAndResolution(
|
||||
extent, tileResolution);
|
||||
|
||||
var framebufferExtent;
|
||||
if (this.renderedTileRange_ &&
|
||||
this.renderedTileRange_.equals(tileRange) &&
|
||||
this.renderedRevision_ == tileSource.getRevision()) {
|
||||
framebufferExtent = this.renderedFramebufferExtent_;
|
||||
} else {
|
||||
|
||||
var tileRangeSize = tileRange.getSize();
|
||||
|
||||
var maxDimension = Math.max(
|
||||
tileRangeSize[0] * tilePixelSize[0],
|
||||
tileRangeSize[1] * tilePixelSize[1]);
|
||||
var framebufferDimension = ol.math.roundUpToPowerOfTwo(maxDimension);
|
||||
var framebufferExtentDimension = tilePixelResolution * framebufferDimension;
|
||||
var origin = tileGrid.getOrigin(z);
|
||||
var minX = origin[0] +
|
||||
tileRange.minX * tilePixelSize[0] * tilePixelResolution;
|
||||
var 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(ol.webgl.COLOR_BUFFER_BIT);
|
||||
gl.disable(ol.webgl.BLEND);
|
||||
|
||||
var program = context.getProgram(this.fragmentShader_, this.vertexShader_);
|
||||
context.useProgram(program);
|
||||
if (!this.locations_) {
|
||||
this.locations_ =
|
||||
new ol.renderer.webgl.tilelayershader.Locations(gl, program);
|
||||
}
|
||||
|
||||
context.bindBuffer(ol.webgl.ARRAY_BUFFER, this.renderArrayBuffer_);
|
||||
gl.enableVertexAttribArray(this.locations_.a_position);
|
||||
gl.vertexAttribPointer(
|
||||
this.locations_.a_position, 2, ol.webgl.FLOAT, false, 16, 0);
|
||||
gl.enableVertexAttribArray(this.locations_.a_texCoord);
|
||||
gl.vertexAttribPointer(
|
||||
this.locations_.a_texCoord, 2, ol.webgl.FLOAT, false, 16, 8);
|
||||
gl.uniform1i(this.locations_.u_texture, 0);
|
||||
ol.renderer.webgl.Layer.call(this, mapRenderer, tileLayer);
|
||||
|
||||
/**
|
||||
* @type {Object.<number, Object.<string, ol.Tile>>}
|
||||
* @private
|
||||
* @type {ol.webgl.Fragment}
|
||||
*/
|
||||
var tilesToDrawByZ = {};
|
||||
tilesToDrawByZ[z] = {};
|
||||
this.fragmentShader_ = ol.renderer.webgl.tilelayershader.fragment;
|
||||
|
||||
var findLoadedTiles = this.createLoadedTileFinder(
|
||||
tileSource, projection, tilesToDrawByZ);
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.webgl.Vertex}
|
||||
*/
|
||||
this.vertexShader_ = ol.renderer.webgl.tilelayershader.vertex;
|
||||
|
||||
var useInterimTilesOnError = tileLayer.getUseInterimTilesOnError();
|
||||
var allTilesLoaded = true;
|
||||
var tmpExtent = ol.extent.createEmpty();
|
||||
var tmpTileRange = new ol.TileRange(0, 0, 0, 0);
|
||||
var childTileRange, drawable, fullyLoaded, tile, tileState;
|
||||
var x, y, tileExtent;
|
||||
for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
|
||||
for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.renderer.webgl.tilelayershader.Locations}
|
||||
*/
|
||||
this.locations_ = null;
|
||||
|
||||
tile = tileSource.getTile(z, x, y, pixelRatio, projection);
|
||||
if (layerState.extent !== undefined) {
|
||||
// ignore tiles outside layer extent
|
||||
tileExtent = tileGrid.getTileCoordExtent(tile.tileCoord, tmpExtent);
|
||||
if (!ol.extent.intersects(tileExtent, layerState.extent)) {
|
||||
continue;
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.webgl.Buffer}
|
||||
*/
|
||||
this.renderArrayBuffer_ = new ol.webgl.Buffer([
|
||||
0, 0, 0, 1,
|
||||
1, 0, 1, 1,
|
||||
0, 1, 0, 0,
|
||||
1, 1, 1, 0
|
||||
]);
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.TileRange}
|
||||
*/
|
||||
this.renderedTileRange_ = null;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.Extent}
|
||||
*/
|
||||
this.renderedFramebufferExtent_ = null;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
*/
|
||||
this.renderedRevision_ = -1;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.Size}
|
||||
*/
|
||||
this.tmpSize_ = [0, 0];
|
||||
|
||||
};
|
||||
ol.inherits(ol.renderer.webgl.TileLayer, ol.renderer.webgl.Layer);
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.TileLayer.prototype.disposeInternal = function() {
|
||||
var context = this.mapRenderer.getContext();
|
||||
context.deleteBuffer(this.renderArrayBuffer_);
|
||||
ol.renderer.webgl.Layer.prototype.disposeInternal.call(this);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Create a function that adds loaded tiles to the tile lookup.
|
||||
* @param {ol.source.Tile} source Tile source.
|
||||
* @param {ol.proj.Projection} projection Projection of the tiles.
|
||||
* @param {Object.<number, Object.<string, ol.Tile>>} tiles Lookup of loaded
|
||||
* tiles by zoom level.
|
||||
* @return {function(number, ol.TileRange):boolean} A function that can be
|
||||
* called with a zoom level and a tile range to add loaded tiles to the
|
||||
* lookup.
|
||||
* @protected
|
||||
*/
|
||||
ol.renderer.webgl.TileLayer.prototype.createLoadedTileFinder = function(source, projection, tiles) {
|
||||
var mapRenderer = this.mapRenderer;
|
||||
|
||||
return (
|
||||
/**
|
||||
* @param {number} zoom Zoom level.
|
||||
* @param {ol.TileRange} tileRange Tile range.
|
||||
* @return {boolean} The tile range is fully loaded.
|
||||
*/
|
||||
function(zoom, tileRange) {
|
||||
function callback(tile) {
|
||||
var loaded = mapRenderer.isTileTextureLoaded(tile);
|
||||
if (loaded) {
|
||||
if (!tiles[zoom]) {
|
||||
tiles[zoom] = {};
|
||||
}
|
||||
tiles[zoom][tile.tileCoord.toString()] = tile;
|
||||
}
|
||||
return loaded;
|
||||
}
|
||||
}
|
||||
tileState = tile.getState();
|
||||
drawable = tileState == ol.TileState.LOADED ||
|
||||
tileState == ol.TileState.EMPTY ||
|
||||
tileState == ol.TileState.ERROR && !useInterimTilesOnError;
|
||||
if (!drawable) {
|
||||
tile = tile.getInterimTile();
|
||||
}
|
||||
tileState = tile.getState();
|
||||
if (tileState == ol.TileState.LOADED) {
|
||||
if (mapRenderer.isTileTextureLoaded(tile)) {
|
||||
tilesToDrawByZ[z][tile.tileCoord.toString()] = tile;
|
||||
continue;
|
||||
}
|
||||
} else if (tileState == ol.TileState.EMPTY ||
|
||||
(tileState == ol.TileState.ERROR &&
|
||||
!useInterimTilesOnError)) {
|
||||
continue;
|
||||
}
|
||||
return source.forEachLoadedTile(projection, zoom, tileRange, callback);
|
||||
});
|
||||
};
|
||||
|
||||
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);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.TileLayer.prototype.handleWebGLContextLost = function() {
|
||||
ol.renderer.webgl.Layer.prototype.handleWebGLContextLost.call(this);
|
||||
this.locations_ = null;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
/** @type {Array.<number>} */
|
||||
var zs = Object.keys(tilesToDrawByZ).map(Number);
|
||||
zs.sort(ol.array.numberSafeCompareFunction);
|
||||
var u_tileOffset = new Float32Array(4);
|
||||
var i, ii, tileKey, tilesToDraw;
|
||||
for (i = 0, ii = zs.length; i < ii; ++i) {
|
||||
tilesToDraw = tilesToDrawByZ[zs[i]];
|
||||
for (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, ol.webgl.LINEAR, ol.webgl.LINEAR);
|
||||
gl.drawArrays(ol.webgl.TRIANGLE_STRIP, 0, 4);
|
||||
}
|
||||
}
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.TileLayer.prototype.prepareFrame = function(frameState, layerState, context) {
|
||||
|
||||
if (allTilesLoaded) {
|
||||
this.renderedTileRange_ = tileRange;
|
||||
this.renderedFramebufferExtent_ = framebufferExtent;
|
||||
this.renderedRevision_ = tileSource.getRevision();
|
||||
var mapRenderer = this.mapRenderer;
|
||||
var gl = context.getGL();
|
||||
|
||||
var viewState = frameState.viewState;
|
||||
var projection = viewState.projection;
|
||||
|
||||
var tileLayer = /** @type {ol.layer.Tile} */ (this.getLayer());
|
||||
var tileSource = tileLayer.getSource();
|
||||
var tileGrid = tileSource.getTileGridForProjection(projection);
|
||||
var z = tileGrid.getZForResolution(viewState.resolution);
|
||||
var tileResolution = tileGrid.getResolution(z);
|
||||
|
||||
var tilePixelSize =
|
||||
tileSource.getTilePixelSize(z, frameState.pixelRatio, projection);
|
||||
var pixelRatio = tilePixelSize[0] /
|
||||
ol.size.toSize(tileGrid.getTileSize(z), this.tmpSize_)[0];
|
||||
var tilePixelResolution = tileResolution / pixelRatio;
|
||||
var tileGutter = tileSource.getTilePixelRatio(pixelRatio) * tileSource.getGutter(projection);
|
||||
|
||||
var center = viewState.center;
|
||||
var extent = frameState.extent;
|
||||
var tileRange = tileGrid.getTileRangeForExtentAndResolution(
|
||||
extent, tileResolution);
|
||||
|
||||
var framebufferExtent;
|
||||
if (this.renderedTileRange_ &&
|
||||
this.renderedTileRange_.equals(tileRange) &&
|
||||
this.renderedRevision_ == tileSource.getRevision()) {
|
||||
framebufferExtent = this.renderedFramebufferExtent_;
|
||||
} else {
|
||||
this.renderedTileRange_ = null;
|
||||
this.renderedFramebufferExtent_ = null;
|
||||
this.renderedRevision_ = -1;
|
||||
frameState.animate = true;
|
||||
|
||||
var tileRangeSize = tileRange.getSize();
|
||||
|
||||
var maxDimension = Math.max(
|
||||
tileRangeSize[0] * tilePixelSize[0],
|
||||
tileRangeSize[1] * tilePixelSize[1]);
|
||||
var framebufferDimension = ol.math.roundUpToPowerOfTwo(maxDimension);
|
||||
var framebufferExtentDimension = tilePixelResolution * framebufferDimension;
|
||||
var origin = tileGrid.getOrigin(z);
|
||||
var minX = origin[0] +
|
||||
tileRange.minX * tilePixelSize[0] * tilePixelResolution;
|
||||
var 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(ol.webgl.COLOR_BUFFER_BIT);
|
||||
gl.disable(ol.webgl.BLEND);
|
||||
|
||||
var program = context.getProgram(this.fragmentShader_, this.vertexShader_);
|
||||
context.useProgram(program);
|
||||
if (!this.locations_) {
|
||||
this.locations_ =
|
||||
new ol.renderer.webgl.tilelayershader.Locations(gl, program);
|
||||
}
|
||||
|
||||
context.bindBuffer(ol.webgl.ARRAY_BUFFER, this.renderArrayBuffer_);
|
||||
gl.enableVertexAttribArray(this.locations_.a_position);
|
||||
gl.vertexAttribPointer(
|
||||
this.locations_.a_position, 2, ol.webgl.FLOAT, false, 16, 0);
|
||||
gl.enableVertexAttribArray(this.locations_.a_texCoord);
|
||||
gl.vertexAttribPointer(
|
||||
this.locations_.a_texCoord, 2, ol.webgl.FLOAT, false, 16, 8);
|
||||
gl.uniform1i(this.locations_.u_texture, 0);
|
||||
|
||||
/**
|
||||
* @type {Object.<number, Object.<string, ol.Tile>>}
|
||||
*/
|
||||
var tilesToDrawByZ = {};
|
||||
tilesToDrawByZ[z] = {};
|
||||
|
||||
var findLoadedTiles = this.createLoadedTileFinder(
|
||||
tileSource, projection, tilesToDrawByZ);
|
||||
|
||||
var useInterimTilesOnError = tileLayer.getUseInterimTilesOnError();
|
||||
var allTilesLoaded = true;
|
||||
var tmpExtent = ol.extent.createEmpty();
|
||||
var tmpTileRange = new ol.TileRange(0, 0, 0, 0);
|
||||
var childTileRange, drawable, fullyLoaded, tile, tileState;
|
||||
var 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 (!ol.extent.intersects(tileExtent, layerState.extent)) {
|
||||
continue;
|
||||
}
|
||||
}
|
||||
tileState = tile.getState();
|
||||
drawable = tileState == ol.TileState.LOADED ||
|
||||
tileState == ol.TileState.EMPTY ||
|
||||
tileState == ol.TileState.ERROR && !useInterimTilesOnError;
|
||||
if (!drawable) {
|
||||
tile = tile.getInterimTile();
|
||||
}
|
||||
tileState = tile.getState();
|
||||
if (tileState == ol.TileState.LOADED) {
|
||||
if (mapRenderer.isTileTextureLoaded(tile)) {
|
||||
tilesToDrawByZ[z][tile.tileCoord.toString()] = tile;
|
||||
continue;
|
||||
}
|
||||
} else if (tileState == ol.TileState.EMPTY ||
|
||||
(tileState == ol.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>} */
|
||||
var zs = Object.keys(tilesToDrawByZ).map(Number);
|
||||
zs.sort(ol.array.numberSafeCompareFunction);
|
||||
var u_tileOffset = new Float32Array(4);
|
||||
var i, ii, tileKey, tilesToDraw;
|
||||
for (i = 0, ii = zs.length; i < ii; ++i) {
|
||||
tilesToDraw = tilesToDrawByZ[zs[i]];
|
||||
for (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, ol.webgl.LINEAR, ol.webgl.LINEAR);
|
||||
gl.drawArrays(ol.webgl.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);
|
||||
var tileTextureQueue = mapRenderer.getTileTextureQueue();
|
||||
this.manageTilePyramid(
|
||||
frameState, tileSource, tileGrid, pixelRatio, projection, extent, z,
|
||||
tileLayer.getPreload(),
|
||||
/**
|
||||
* @param {ol.Tile} tile Tile.
|
||||
*/
|
||||
function(tile) {
|
||||
if (tile.getState() == ol.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);
|
||||
this.updateLogos(frameState, tileSource);
|
||||
|
||||
this.updateUsedTiles(frameState.usedTiles, tileSource, z, tileRange);
|
||||
var tileTextureQueue = mapRenderer.getTileTextureQueue();
|
||||
this.manageTilePyramid(
|
||||
frameState, tileSource, tileGrid, pixelRatio, projection, extent, z,
|
||||
tileLayer.getPreload(),
|
||||
/**
|
||||
* @param {ol.Tile} tile Tile.
|
||||
*/
|
||||
function(tile) {
|
||||
if (tile.getState() == ol.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);
|
||||
this.updateLogos(frameState, tileSource);
|
||||
var texCoordMatrix = this.texCoordMatrix;
|
||||
ol.transform.reset(texCoordMatrix);
|
||||
ol.transform.translate(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) {
|
||||
ol.transform.rotate(texCoordMatrix, viewState.rotation);
|
||||
}
|
||||
ol.transform.scale(texCoordMatrix,
|
||||
frameState.size[0] * viewState.resolution /
|
||||
(framebufferExtent[2] - framebufferExtent[0]),
|
||||
frameState.size[1] * viewState.resolution /
|
||||
(framebufferExtent[3] - framebufferExtent[1]));
|
||||
ol.transform.translate(texCoordMatrix, -0.5, -0.5);
|
||||
|
||||
var texCoordMatrix = this.texCoordMatrix;
|
||||
ol.transform.reset(texCoordMatrix);
|
||||
ol.transform.translate(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) {
|
||||
ol.transform.rotate(texCoordMatrix, viewState.rotation);
|
||||
}
|
||||
ol.transform.scale(texCoordMatrix,
|
||||
frameState.size[0] * viewState.resolution /
|
||||
(framebufferExtent[2] - framebufferExtent[0]),
|
||||
frameState.size[1] * viewState.resolution /
|
||||
(framebufferExtent[3] - framebufferExtent[1]));
|
||||
ol.transform.translate(texCoordMatrix, -0.5, -0.5);
|
||||
|
||||
return true;
|
||||
};
|
||||
return true;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.TileLayer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {
|
||||
if (!this.framebuffer) {
|
||||
return undefined;
|
||||
}
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.TileLayer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {
|
||||
if (!this.framebuffer) {
|
||||
return undefined;
|
||||
}
|
||||
|
||||
var pixelOnMapScaled = [
|
||||
pixel[0] / frameState.size[0],
|
||||
(frameState.size[1] - pixel[1]) / frameState.size[1]];
|
||||
var pixelOnMapScaled = [
|
||||
pixel[0] / frameState.size[0],
|
||||
(frameState.size[1] - pixel[1]) / frameState.size[1]];
|
||||
|
||||
var pixelOnFrameBufferScaled = ol.transform.apply(
|
||||
this.texCoordMatrix, pixelOnMapScaled.slice());
|
||||
var pixelOnFrameBuffer = [
|
||||
pixelOnFrameBufferScaled[0] * this.framebufferDimension,
|
||||
pixelOnFrameBufferScaled[1] * this.framebufferDimension];
|
||||
var pixelOnFrameBufferScaled = ol.transform.apply(
|
||||
this.texCoordMatrix, pixelOnMapScaled.slice());
|
||||
var pixelOnFrameBuffer = [
|
||||
pixelOnFrameBufferScaled[0] * this.framebufferDimension,
|
||||
pixelOnFrameBufferScaled[1] * this.framebufferDimension];
|
||||
|
||||
var gl = this.mapRenderer.getContext().getGL();
|
||||
gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
|
||||
var imageData = new Uint8Array(4);
|
||||
gl.readPixels(pixelOnFrameBuffer[0], pixelOnFrameBuffer[1], 1, 1,
|
||||
gl.RGBA, gl.UNSIGNED_BYTE, imageData);
|
||||
var gl = this.mapRenderer.getContext().getGL();
|
||||
gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
|
||||
var 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;
|
||||
}
|
||||
};
|
||||
if (imageData[3] > 0) {
|
||||
return callback.call(thisArg, this.getLayer(), imageData);
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
@@ -9,307 +9,311 @@ goog.require('ol.renderer.webgl.Layer');
|
||||
goog.require('ol.transform');
|
||||
|
||||
|
||||
/**
|
||||
* @constructor
|
||||
* @extends {ol.renderer.webgl.Layer}
|
||||
* @param {ol.renderer.webgl.Map} mapRenderer Map renderer.
|
||||
* @param {ol.layer.Vector} vectorLayer Vector layer.
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer = function(mapRenderer, vectorLayer) {
|
||||
|
||||
ol.renderer.webgl.Layer.call(this, mapRenderer, vectorLayer);
|
||||
if (ol.ENABLE_WEBGL) {
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {boolean}
|
||||
* @constructor
|
||||
* @extends {ol.renderer.webgl.Layer}
|
||||
* @param {ol.renderer.webgl.Map} mapRenderer Map renderer.
|
||||
* @param {ol.layer.Vector} vectorLayer Vector layer.
|
||||
*/
|
||||
this.dirty_ = false;
|
||||
ol.renderer.webgl.VectorLayer = function(mapRenderer, vectorLayer) {
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
*/
|
||||
this.renderedRevision_ = -1;
|
||||
ol.renderer.webgl.Layer.call(this, mapRenderer, vectorLayer);
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
*/
|
||||
this.renderedResolution_ = NaN;
|
||||
/**
|
||||
* @private
|
||||
* @type {boolean}
|
||||
*/
|
||||
this.dirty_ = false;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.Extent}
|
||||
*/
|
||||
this.renderedExtent_ = ol.extent.createEmpty();
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
*/
|
||||
this.renderedRevision_ = -1;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {function(ol.Feature, ol.Feature): number|null}
|
||||
*/
|
||||
this.renderedRenderOrder_ = null;
|
||||
/**
|
||||
* @private
|
||||
* @type {number}
|
||||
*/
|
||||
this.renderedResolution_ = NaN;
|
||||
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.render.webgl.ReplayGroup}
|
||||
*/
|
||||
this.replayGroup_ = null;
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.Extent}
|
||||
*/
|
||||
this.renderedExtent_ = ol.extent.createEmpty();
|
||||
|
||||
/**
|
||||
* The last layer state.
|
||||
* @private
|
||||
* @type {?ol.LayerState}
|
||||
*/
|
||||
this.layerState_ = null;
|
||||
/**
|
||||
* @private
|
||||
* @type {function(ol.Feature, ol.Feature): number|null}
|
||||
*/
|
||||
this.renderedRenderOrder_ = null;
|
||||
|
||||
};
|
||||
ol.inherits(ol.renderer.webgl.VectorLayer, ol.renderer.webgl.Layer);
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.composeFrame = function(frameState, layerState, context) {
|
||||
this.layerState_ = layerState;
|
||||
var viewState = frameState.viewState;
|
||||
var replayGroup = this.replayGroup_;
|
||||
var size = frameState.size;
|
||||
var pixelRatio = frameState.pixelRatio;
|
||||
var 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
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.disposeInternal = function() {
|
||||
var replayGroup = this.replayGroup_;
|
||||
if (replayGroup) {
|
||||
var context = this.mapRenderer.getContext();
|
||||
replayGroup.getDeleteResourcesFunction(context)();
|
||||
/**
|
||||
* @private
|
||||
* @type {ol.render.webgl.ReplayGroup}
|
||||
*/
|
||||
this.replayGroup_ = null;
|
||||
}
|
||||
ol.renderer.webgl.Layer.prototype.disposeInternal.call(this);
|
||||
};
|
||||
|
||||
/**
|
||||
* The last layer state.
|
||||
* @private
|
||||
* @type {?ol.LayerState}
|
||||
*/
|
||||
this.layerState_ = null;
|
||||
|
||||
};
|
||||
ol.inherits(ol.renderer.webgl.VectorLayer, ol.renderer.webgl.Layer);
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.forEachFeatureAtCoordinate = function(coordinate, frameState, hitTolerance, callback, thisArg) {
|
||||
if (!this.replayGroup_ || !this.layerState_) {
|
||||
return undefined;
|
||||
} else {
|
||||
var context = this.mapRenderer.getContext();
|
||||
var viewState = frameState.viewState;
|
||||
var layer = this.getLayer();
|
||||
var layerState = this.layerState_;
|
||||
/** @type {Object.<string, boolean>} */
|
||||
var features = {};
|
||||
return this.replayGroup_.forEachFeatureAtCoordinate(coordinate,
|
||||
context, viewState.center, viewState.resolution, viewState.rotation,
|
||||
frameState.size, frameState.pixelRatio, layerState.opacity,
|
||||
{},
|
||||
/**
|
||||
* @param {ol.Feature|ol.render.Feature} feature Feature.
|
||||
* @return {?} Callback result.
|
||||
*/
|
||||
function(feature) {
|
||||
var key = ol.getUid(feature).toString();
|
||||
if (!(key in features)) {
|
||||
features[key] = true;
|
||||
return callback.call(thisArg, feature, layer);
|
||||
}
|
||||
});
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.hasFeatureAtCoordinate = function(coordinate, frameState) {
|
||||
if (!this.replayGroup_ || !this.layerState_) {
|
||||
return false;
|
||||
} else {
|
||||
var context = this.mapRenderer.getContext();
|
||||
var viewState = frameState.viewState;
|
||||
var layerState = this.layerState_;
|
||||
return this.replayGroup_.hasFeatureAtCoordinate(coordinate,
|
||||
context, viewState.center, viewState.resolution, viewState.rotation,
|
||||
frameState.size, frameState.pixelRatio, layerState.opacity,
|
||||
frameState.skippedFeatureUids);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {
|
||||
var coordinate = ol.transform.apply(
|
||||
frameState.pixelToCoordinateTransform, pixel.slice());
|
||||
var hasFeature = this.hasFeatureAtCoordinate(coordinate, frameState);
|
||||
|
||||
if (hasFeature) {
|
||||
return callback.call(thisArg, this.getLayer(), null);
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Handle changes in image style state.
|
||||
* @param {ol.events.Event} event Image style change event.
|
||||
* @private
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.handleStyleImageChange_ = function(event) {
|
||||
this.renderIfReadyAndVisible();
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.prepareFrame = function(frameState, layerState, context) {
|
||||
|
||||
var vectorLayer = /** @type {ol.layer.Vector} */ (this.getLayer());
|
||||
var vectorSource = vectorLayer.getSource();
|
||||
|
||||
this.updateAttributions(
|
||||
frameState.attributions, vectorSource.getAttributions());
|
||||
this.updateLogos(frameState, vectorSource);
|
||||
|
||||
var animating = frameState.viewHints[ol.ViewHint.ANIMATING];
|
||||
var interacting = frameState.viewHints[ol.ViewHint.INTERACTING];
|
||||
var updateWhileAnimating = vectorLayer.getUpdateWhileAnimating();
|
||||
var updateWhileInteracting = vectorLayer.getUpdateWhileInteracting();
|
||||
|
||||
if (!this.dirty_ && (!updateWhileAnimating && animating) ||
|
||||
(!updateWhileInteracting && interacting)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
var frameStateExtent = frameState.extent;
|
||||
var viewState = frameState.viewState;
|
||||
var projection = viewState.projection;
|
||||
var resolution = viewState.resolution;
|
||||
var pixelRatio = frameState.pixelRatio;
|
||||
var vectorLayerRevision = vectorLayer.getRevision();
|
||||
var vectorLayerRenderBuffer = vectorLayer.getRenderBuffer();
|
||||
var vectorLayerRenderOrder = vectorLayer.getRenderOrder();
|
||||
|
||||
if (vectorLayerRenderOrder === undefined) {
|
||||
vectorLayerRenderOrder = ol.renderer.vector.defaultOrder;
|
||||
}
|
||||
|
||||
var extent = ol.extent.buffer(frameStateExtent,
|
||||
vectorLayerRenderBuffer * resolution);
|
||||
|
||||
if (!this.dirty_ &&
|
||||
this.renderedResolution_ == resolution &&
|
||||
this.renderedRevision_ == vectorLayerRevision &&
|
||||
this.renderedRenderOrder_ == vectorLayerRenderOrder &&
|
||||
ol.extent.containsExtent(this.renderedExtent_, extent)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (this.replayGroup_) {
|
||||
frameState.postRenderFunctions.push(
|
||||
this.replayGroup_.getDeleteResourcesFunction(context));
|
||||
}
|
||||
|
||||
this.dirty_ = false;
|
||||
|
||||
var replayGroup = new ol.render.webgl.ReplayGroup(
|
||||
ol.renderer.vector.getTolerance(resolution, pixelRatio),
|
||||
extent, vectorLayer.getRenderBuffer());
|
||||
vectorSource.loadFeatures(extent, resolution, projection);
|
||||
/**
|
||||
* @param {ol.Feature} feature Feature.
|
||||
* @this {ol.renderer.webgl.VectorLayer}
|
||||
* @inheritDoc
|
||||
*/
|
||||
var renderFeature = function(feature) {
|
||||
var styles;
|
||||
var styleFunction = feature.getStyleFunction();
|
||||
if (styleFunction) {
|
||||
styles = styleFunction.call(feature, resolution);
|
||||
} else {
|
||||
styleFunction = vectorLayer.getStyleFunction();
|
||||
if (styleFunction) {
|
||||
styles = styleFunction(feature, resolution);
|
||||
}
|
||||
ol.renderer.webgl.VectorLayer.prototype.composeFrame = function(frameState, layerState, context) {
|
||||
this.layerState_ = layerState;
|
||||
var viewState = frameState.viewState;
|
||||
var replayGroup = this.replayGroup_;
|
||||
var size = frameState.size;
|
||||
var pixelRatio = frameState.pixelRatio;
|
||||
var 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);
|
||||
}
|
||||
if (styles) {
|
||||
var dirty = this.renderFeature(
|
||||
feature, resolution, pixelRatio, styles, replayGroup);
|
||||
this.dirty_ = this.dirty_ || dirty;
|
||||
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.disposeInternal = function() {
|
||||
var replayGroup = this.replayGroup_;
|
||||
if (replayGroup) {
|
||||
var context = this.mapRenderer.getContext();
|
||||
replayGroup.getDeleteResourcesFunction(context)();
|
||||
this.replayGroup_ = null;
|
||||
}
|
||||
ol.renderer.webgl.Layer.prototype.disposeInternal.call(this);
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.forEachFeatureAtCoordinate = function(coordinate, frameState, hitTolerance, callback, thisArg) {
|
||||
if (!this.replayGroup_ || !this.layerState_) {
|
||||
return undefined;
|
||||
} else {
|
||||
var context = this.mapRenderer.getContext();
|
||||
var viewState = frameState.viewState;
|
||||
var layer = this.getLayer();
|
||||
var layerState = this.layerState_;
|
||||
/** @type {Object.<string, boolean>} */
|
||||
var features = {};
|
||||
return this.replayGroup_.forEachFeatureAtCoordinate(coordinate,
|
||||
context, viewState.center, viewState.resolution, viewState.rotation,
|
||||
frameState.size, frameState.pixelRatio, layerState.opacity,
|
||||
{},
|
||||
/**
|
||||
* @param {ol.Feature|ol.render.Feature} feature Feature.
|
||||
* @return {?} Callback result.
|
||||
*/
|
||||
function(feature) {
|
||||
var key = ol.getUid(feature).toString();
|
||||
if (!(key in features)) {
|
||||
features[key] = true;
|
||||
return callback.call(thisArg, feature, layer);
|
||||
}
|
||||
});
|
||||
}
|
||||
};
|
||||
if (vectorLayerRenderOrder) {
|
||||
/** @type {Array.<ol.Feature>} */
|
||||
var features = [];
|
||||
vectorSource.forEachFeatureInExtent(extent,
|
||||
/**
|
||||
* @param {ol.Feature} feature Feature.
|
||||
*/
|
||||
function(feature) {
|
||||
features.push(feature);
|
||||
}, this);
|
||||
features.sort(vectorLayerRenderOrder);
|
||||
features.forEach(renderFeature, this);
|
||||
} else {
|
||||
vectorSource.forEachFeatureInExtent(extent, renderFeature, this);
|
||||
}
|
||||
replayGroup.finish(context);
|
||||
|
||||
this.renderedResolution_ = resolution;
|
||||
this.renderedRevision_ = vectorLayerRevision;
|
||||
this.renderedRenderOrder_ = vectorLayerRenderOrder;
|
||||
this.renderedExtent_ = extent;
|
||||
this.replayGroup_ = replayGroup;
|
||||
|
||||
return true;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {ol.Feature} feature Feature.
|
||||
* @param {number} resolution Resolution.
|
||||
* @param {number} pixelRatio Pixel ratio.
|
||||
* @param {(ol.style.Style|Array.<ol.style.Style>)} styles The style or array of
|
||||
* styles.
|
||||
* @param {ol.render.webgl.ReplayGroup} replayGroup Replay group.
|
||||
* @return {boolean} `true` if an image is loading.
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.renderFeature = function(feature, resolution, pixelRatio, styles, replayGroup) {
|
||||
if (!styles) {
|
||||
return false;
|
||||
}
|
||||
var loading = false;
|
||||
if (Array.isArray(styles)) {
|
||||
for (var i = styles.length - 1, ii = 0; i >= ii; --i) {
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.hasFeatureAtCoordinate = function(coordinate, frameState) {
|
||||
if (!this.replayGroup_ || !this.layerState_) {
|
||||
return false;
|
||||
} else {
|
||||
var context = this.mapRenderer.getContext();
|
||||
var viewState = frameState.viewState;
|
||||
var layerState = this.layerState_;
|
||||
return this.replayGroup_.hasFeatureAtCoordinate(coordinate,
|
||||
context, viewState.center, viewState.resolution, viewState.rotation,
|
||||
frameState.size, frameState.pixelRatio, layerState.opacity,
|
||||
frameState.skippedFeatureUids);
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {
|
||||
var coordinate = ol.transform.apply(
|
||||
frameState.pixelToCoordinateTransform, pixel.slice());
|
||||
var hasFeature = this.hasFeatureAtCoordinate(coordinate, frameState);
|
||||
|
||||
if (hasFeature) {
|
||||
return callback.call(thisArg, this.getLayer(), null);
|
||||
} else {
|
||||
return undefined;
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* Handle changes in image style state.
|
||||
* @param {ol.events.Event} event Image style change event.
|
||||
* @private
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.handleStyleImageChange_ = function(event) {
|
||||
this.renderIfReadyAndVisible();
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @inheritDoc
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.prepareFrame = function(frameState, layerState, context) {
|
||||
|
||||
var vectorLayer = /** @type {ol.layer.Vector} */ (this.getLayer());
|
||||
var vectorSource = vectorLayer.getSource();
|
||||
|
||||
this.updateAttributions(
|
||||
frameState.attributions, vectorSource.getAttributions());
|
||||
this.updateLogos(frameState, vectorSource);
|
||||
|
||||
var animating = frameState.viewHints[ol.ViewHint.ANIMATING];
|
||||
var interacting = frameState.viewHints[ol.ViewHint.INTERACTING];
|
||||
var updateWhileAnimating = vectorLayer.getUpdateWhileAnimating();
|
||||
var updateWhileInteracting = vectorLayer.getUpdateWhileInteracting();
|
||||
|
||||
if (!this.dirty_ && (!updateWhileAnimating && animating) ||
|
||||
(!updateWhileInteracting && interacting)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
var frameStateExtent = frameState.extent;
|
||||
var viewState = frameState.viewState;
|
||||
var projection = viewState.projection;
|
||||
var resolution = viewState.resolution;
|
||||
var pixelRatio = frameState.pixelRatio;
|
||||
var vectorLayerRevision = vectorLayer.getRevision();
|
||||
var vectorLayerRenderBuffer = vectorLayer.getRenderBuffer();
|
||||
var vectorLayerRenderOrder = vectorLayer.getRenderOrder();
|
||||
|
||||
if (vectorLayerRenderOrder === undefined) {
|
||||
vectorLayerRenderOrder = ol.renderer.vector.defaultOrder;
|
||||
}
|
||||
|
||||
var extent = ol.extent.buffer(frameStateExtent,
|
||||
vectorLayerRenderBuffer * resolution);
|
||||
|
||||
if (!this.dirty_ &&
|
||||
this.renderedResolution_ == resolution &&
|
||||
this.renderedRevision_ == vectorLayerRevision &&
|
||||
this.renderedRenderOrder_ == vectorLayerRenderOrder &&
|
||||
ol.extent.containsExtent(this.renderedExtent_, extent)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (this.replayGroup_) {
|
||||
frameState.postRenderFunctions.push(
|
||||
this.replayGroup_.getDeleteResourcesFunction(context));
|
||||
}
|
||||
|
||||
this.dirty_ = false;
|
||||
|
||||
var replayGroup = new ol.render.webgl.ReplayGroup(
|
||||
ol.renderer.vector.getTolerance(resolution, pixelRatio),
|
||||
extent, vectorLayer.getRenderBuffer());
|
||||
vectorSource.loadFeatures(extent, resolution, projection);
|
||||
/**
|
||||
* @param {ol.Feature} feature Feature.
|
||||
* @this {ol.renderer.webgl.VectorLayer}
|
||||
*/
|
||||
var renderFeature = function(feature) {
|
||||
var styles;
|
||||
var styleFunction = feature.getStyleFunction();
|
||||
if (styleFunction) {
|
||||
styles = styleFunction.call(feature, resolution);
|
||||
} else {
|
||||
styleFunction = vectorLayer.getStyleFunction();
|
||||
if (styleFunction) {
|
||||
styles = styleFunction(feature, resolution);
|
||||
}
|
||||
}
|
||||
if (styles) {
|
||||
var dirty = this.renderFeature(
|
||||
feature, resolution, pixelRatio, styles, replayGroup);
|
||||
this.dirty_ = this.dirty_ || dirty;
|
||||
}
|
||||
};
|
||||
if (vectorLayerRenderOrder) {
|
||||
/** @type {Array.<ol.Feature>} */
|
||||
var features = [];
|
||||
vectorSource.forEachFeatureInExtent(extent,
|
||||
/**
|
||||
* @param {ol.Feature} feature Feature.
|
||||
*/
|
||||
function(feature) {
|
||||
features.push(feature);
|
||||
}, this);
|
||||
features.sort(vectorLayerRenderOrder);
|
||||
features.forEach(renderFeature, this);
|
||||
} else {
|
||||
vectorSource.forEachFeatureInExtent(extent, renderFeature, this);
|
||||
}
|
||||
replayGroup.finish(context);
|
||||
|
||||
this.renderedResolution_ = resolution;
|
||||
this.renderedRevision_ = vectorLayerRevision;
|
||||
this.renderedRenderOrder_ = vectorLayerRenderOrder;
|
||||
this.renderedExtent_ = extent;
|
||||
this.replayGroup_ = replayGroup;
|
||||
|
||||
return true;
|
||||
};
|
||||
|
||||
|
||||
/**
|
||||
* @param {ol.Feature} feature Feature.
|
||||
* @param {number} resolution Resolution.
|
||||
* @param {number} pixelRatio Pixel ratio.
|
||||
* @param {(ol.style.Style|Array.<ol.style.Style>)} styles The style or array of
|
||||
* styles.
|
||||
* @param {ol.render.webgl.ReplayGroup} replayGroup Replay group.
|
||||
* @return {boolean} `true` if an image is loading.
|
||||
*/
|
||||
ol.renderer.webgl.VectorLayer.prototype.renderFeature = function(feature, resolution, pixelRatio, styles, replayGroup) {
|
||||
if (!styles) {
|
||||
return false;
|
||||
}
|
||||
var loading = false;
|
||||
if (Array.isArray(styles)) {
|
||||
for (var i = styles.length - 1, ii = 0; i >= ii; --i) {
|
||||
loading = ol.renderer.vector.renderFeature(
|
||||
replayGroup, feature, styles[i],
|
||||
ol.renderer.vector.getSquaredTolerance(resolution, pixelRatio),
|
||||
this.handleStyleImageChange_, this) || loading;
|
||||
}
|
||||
} else {
|
||||
loading = ol.renderer.vector.renderFeature(
|
||||
replayGroup, feature, styles[i],
|
||||
replayGroup, feature, styles,
|
||||
ol.renderer.vector.getSquaredTolerance(resolution, pixelRatio),
|
||||
this.handleStyleImageChange_, this) || loading;
|
||||
}
|
||||
} else {
|
||||
loading = ol.renderer.vector.renderFeature(
|
||||
replayGroup, feature, styles,
|
||||
ol.renderer.vector.getSquaredTolerance(resolution, pixelRatio),
|
||||
this.handleStyleImageChange_, this) || loading;
|
||||
}
|
||||
return loading;
|
||||
};
|
||||
return loading;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
+211
-207
@@ -1,288 +1,292 @@
|
||||
goog.provide('ol.webgl');
|
||||
|
||||
|
||||
/** Constants taken from goog.webgl
|
||||
*/
|
||||
if (ol.ENABLE_WEBGL) {
|
||||
|
||||
/** Constants taken from goog.webgl
|
||||
*/
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.ONE = 1;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.ONE = 1;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.SRC_ALPHA = 0x0302;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.SRC_ALPHA = 0x0302;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.COLOR_ATTACHMENT0 = 0x8CE0;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.COLOR_ATTACHMENT0 = 0x8CE0;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.COLOR_BUFFER_BIT = 0x00004000;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.COLOR_BUFFER_BIT = 0x00004000;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TRIANGLES = 0x0004;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TRIANGLES = 0x0004;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TRIANGLE_STRIP = 0x0005;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TRIANGLE_STRIP = 0x0005;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.ONE_MINUS_SRC_ALPHA = 0x0303;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.ONE_MINUS_SRC_ALPHA = 0x0303;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.ARRAY_BUFFER = 0x8892;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.ARRAY_BUFFER = 0x8892;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.ELEMENT_ARRAY_BUFFER = 0x8893;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.ELEMENT_ARRAY_BUFFER = 0x8893;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.STREAM_DRAW = 0x88E0;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.STREAM_DRAW = 0x88E0;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.STATIC_DRAW = 0x88E4;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.STATIC_DRAW = 0x88E4;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.DYNAMIC_DRAW = 0x88E8;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.DYNAMIC_DRAW = 0x88E8;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.CULL_FACE = 0x0B44;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.CULL_FACE = 0x0B44;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.BLEND = 0x0BE2;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.BLEND = 0x0BE2;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.STENCIL_TEST = 0x0B90;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.STENCIL_TEST = 0x0B90;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.DEPTH_TEST = 0x0B71;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.DEPTH_TEST = 0x0B71;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.SCISSOR_TEST = 0x0C11;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.SCISSOR_TEST = 0x0C11;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.UNSIGNED_BYTE = 0x1401;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.UNSIGNED_BYTE = 0x1401;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.UNSIGNED_SHORT = 0x1403;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.UNSIGNED_SHORT = 0x1403;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.UNSIGNED_INT = 0x1405;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.UNSIGNED_INT = 0x1405;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.FLOAT = 0x1406;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.FLOAT = 0x1406;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.RGBA = 0x1908;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.RGBA = 0x1908;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.FRAGMENT_SHADER = 0x8B30;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.FRAGMENT_SHADER = 0x8B30;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.VERTEX_SHADER = 0x8B31;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.VERTEX_SHADER = 0x8B31;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.LINK_STATUS = 0x8B82;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.LINK_STATUS = 0x8B82;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.LINEAR = 0x2601;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.LINEAR = 0x2601;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE_MAG_FILTER = 0x2800;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE_MAG_FILTER = 0x2800;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE_MIN_FILTER = 0x2801;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE_MIN_FILTER = 0x2801;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE_WRAP_S = 0x2802;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE_WRAP_S = 0x2802;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE_WRAP_T = 0x2803;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE_WRAP_T = 0x2803;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE_2D = 0x0DE1;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE_2D = 0x0DE1;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE0 = 0x84C0;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.TEXTURE0 = 0x84C0;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.CLAMP_TO_EDGE = 0x812F;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.CLAMP_TO_EDGE = 0x812F;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.COMPILE_STATUS = 0x8B81;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.COMPILE_STATUS = 0x8B81;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.FRAMEBUFFER = 0x8D40;
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @type {number}
|
||||
*/
|
||||
ol.webgl.FRAMEBUFFER = 0x8D40;
|
||||
|
||||
/** end of goog.webgl constants
|
||||
*/
|
||||
|
||||
/** end of goog.webgl constants
|
||||
*/
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @private
|
||||
* @type {Array.<string>}
|
||||
*/
|
||||
ol.webgl.CONTEXT_IDS_ = [
|
||||
'experimental-webgl',
|
||||
'webgl',
|
||||
'webkit-3d',
|
||||
'moz-webgl'
|
||||
];
|
||||
|
||||
/**
|
||||
* @const
|
||||
* @private
|
||||
* @type {Array.<string>}
|
||||
*/
|
||||
ol.webgl.CONTEXT_IDS_ = [
|
||||
'experimental-webgl',
|
||||
'webgl',
|
||||
'webkit-3d',
|
||||
'moz-webgl'
|
||||
];
|
||||
|
||||
/**
|
||||
* @param {HTMLCanvasElement} canvas Canvas.
|
||||
* @param {Object=} opt_attributes Attributes.
|
||||
* @return {WebGLRenderingContext} WebGL rendering context.
|
||||
*/
|
||||
ol.webgl.getContext = function(canvas, opt_attributes) {
|
||||
var context, i, ii = ol.webgl.CONTEXT_IDS_.length;
|
||||
for (i = 0; i < ii; ++i) {
|
||||
try {
|
||||
context = canvas.getContext(ol.webgl.CONTEXT_IDS_[i], opt_attributes);
|
||||
if (context) {
|
||||
return /** @type {!WebGLRenderingContext} */ (context);
|
||||
|
||||
/**
|
||||
* @param {HTMLCanvasElement} canvas Canvas.
|
||||
* @param {Object=} opt_attributes Attributes.
|
||||
* @return {WebGLRenderingContext} WebGL rendering context.
|
||||
*/
|
||||
ol.webgl.getContext = function(canvas, opt_attributes) {
|
||||
var context, i, ii = ol.webgl.CONTEXT_IDS_.length;
|
||||
for (i = 0; i < ii; ++i) {
|
||||
try {
|
||||
context = canvas.getContext(ol.webgl.CONTEXT_IDS_[i], opt_attributes);
|
||||
if (context) {
|
||||
return /** @type {!WebGLRenderingContext} */ (context);
|
||||
}
|
||||
} catch (e) {
|
||||
// pass
|
||||
}
|
||||
} catch (e) {
|
||||
// pass
|
||||
}
|
||||
}
|
||||
return null;
|
||||
};
|
||||
return null;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user