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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goog.require('ol.webgl.Context');
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/**
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if (ol.ENABLE_WEBGL) {
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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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/**
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/**
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* The last rendered image.
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* @constructor
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* @private
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* @extends {ol.renderer.webgl.Layer}
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* @type {?ol.ImageBase}
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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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*/
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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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/**
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* @param {ol.ImageBase} image Image.
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* @private
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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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*/
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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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/**
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* @private
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* @inheritDoc
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* @type {?ol.Transform}
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*/
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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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/**
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ol.inherits(ol.renderer.webgl.ImageLayer, ol.renderer.webgl.Layer);
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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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/**
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* @param {ol.ImageBase} image Image.
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* @inheritDoc
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* @private
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*/
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* @return {WebGLTexture} Texture.
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ol.renderer.webgl.ImageLayer.prototype.prepareFrame = function(frameState, layerState, context) {
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*/
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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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var gl = this.mapRenderer.getGL();
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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 pixelRatio = frameState.pixelRatio;
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var gl = this.mapRenderer.getGL();
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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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var image = this.image_;
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gl, imageElement, ol.webgl.CLAMP_TO_EDGE, ol.webgl.CLAMP_TO_EDGE);
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var texture = this.texture;
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};
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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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var renderedExtent = frameState.extent;
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* @inheritDoc
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if (layerState.extent !== undefined) {
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*/
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renderedExtent = ol.extent.getIntersection(
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ol.renderer.webgl.ImageLayer.prototype.forEachFeatureAtCoordinate = function(coordinate, frameState, hitTolerance, callback, thisArg) {
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renderedExtent, layerState.extent);
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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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}
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}
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var image_ = imageSource.getImage(renderedExtent, viewResolution,
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if (!hints[ol.ViewHint.ANIMATING] && !hints[ol.ViewHint.INTERACTING] &&
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pixelRatio, projection);
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!ol.extent.isEmpty(renderedExtent)) {
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if (image_) {
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var projection = viewState.projection;
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var loaded = this.loadImage(image_);
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if (!ol.ENABLE_RASTER_REPROJECTION) {
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if (loaded) {
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var sourceProjection = imageSource.getProjection();
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image = image_;
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if (sourceProjection) {
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texture = this.createTexture_(image_);
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projection = sourceProjection;
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if (this.texture) {
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}
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/**
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}
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* @param {WebGLRenderingContext} gl GL.
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var image_ = imageSource.getImage(renderedExtent, viewResolution,
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* @param {WebGLTexture} texture Texture.
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pixelRatio, projection);
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*/
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if (image_) {
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var postRenderFunction = function(gl, texture) {
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var loaded = this.loadImage(image_);
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if (!gl.isContextLost()) {
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if (loaded) {
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gl.deleteTexture(texture);
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image = image_;
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}
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texture = this.createTexture_(image_);
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}.bind(null, gl, this.texture);
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if (this.texture) {
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frameState.postRenderFunctions.push(
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/**
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/** @type {ol.PostRenderFunction} */ (postRenderFunction)
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* @param {WebGLRenderingContext} gl GL.
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);
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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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}
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}
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}
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if (image) {
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if (image) {
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var canvas = this.mapRenderer.getContext().getCanvas();
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var canvas = this.mapRenderer.getContext().getCanvas();
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this.updateProjectionMatrix_(canvas.width, canvas.height,
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this.updateProjectionMatrix_(canvas.width, canvas.height,
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pixelRatio, viewCenter, viewResolution, viewRotation,
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pixelRatio, viewCenter, viewResolution, viewRotation,
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image.getExtent());
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image.getExtent());
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this.hitTransformationMatrix_ = null;
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this.hitTransformationMatrix_ = null;
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// Translate and scale to flip the Y coord.
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// Translate and scale to flip the Y coord.
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var texCoordMatrix = this.texCoordMatrix;
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var texCoordMatrix = this.texCoordMatrix;
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ol.transform.reset(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.scale(texCoordMatrix, 1, -1);
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ol.transform.translate(texCoordMatrix, 0, -1);
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ol.transform.translate(texCoordMatrix, 0, -1);
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this.image_ = image;
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this.image_ = image;
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this.texture = texture;
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this.texture = texture;
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this.updateAttributions(frameState.attributions, image.getAttributions());
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this.updateAttributions(frameState.attributions, image.getAttributions());
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this.updateLogos(frameState, imageSource);
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this.updateLogos(frameState, imageSource);
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}
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}
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return !!image;
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return !!image;
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};
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};
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/**
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/**
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* @param {number} canvasWidth Canvas width.
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* @param {number} canvasWidth Canvas width.
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* @param {number} canvasHeight Canvas height.
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* @param {number} canvasHeight Canvas height.
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* @param {number} pixelRatio Pixel ratio.
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* @param {number} pixelRatio Pixel ratio.
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* @param {ol.Coordinate} viewCenter View center.
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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} viewResolution View resolution.
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* @param {number} viewRotation View rotation.
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* @param {number} viewRotation View rotation.
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* @param {ol.Extent} imageExtent Image extent.
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* @param {ol.Extent} imageExtent Image extent.
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* @private
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* @private
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*/
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*/
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ol.renderer.webgl.ImageLayer.prototype.updateProjectionMatrix_ = function(canvasWidth, canvasHeight, pixelRatio,
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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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viewCenter, viewResolution, viewRotation, imageExtent) {
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var canvasExtentWidth = canvasWidth * viewResolution;
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var canvasExtentWidth = canvasWidth * viewResolution;
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var canvasExtentHeight = canvasHeight * viewResolution;
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var canvasExtentHeight = canvasHeight * viewResolution;
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var projectionMatrix = this.projectionMatrix;
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var projectionMatrix = this.projectionMatrix;
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ol.transform.reset(projectionMatrix);
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ol.transform.reset(projectionMatrix);
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ol.transform.scale(projectionMatrix,
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ol.transform.scale(projectionMatrix,
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pixelRatio * 2 / canvasExtentWidth,
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pixelRatio * 2 / canvasExtentWidth,
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pixelRatio * 2 / canvasExtentHeight);
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pixelRatio * 2 / canvasExtentHeight);
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ol.transform.rotate(projectionMatrix, -viewRotation);
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ol.transform.rotate(projectionMatrix, -viewRotation);
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ol.transform.translate(projectionMatrix,
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ol.transform.translate(projectionMatrix,
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imageExtent[0] - viewCenter[0],
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imageExtent[0] - viewCenter[0],
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imageExtent[1] - viewCenter[1]);
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imageExtent[1] - viewCenter[1]);
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ol.transform.scale(projectionMatrix,
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ol.transform.scale(projectionMatrix,
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(imageExtent[2] - imageExtent[0]) / 2,
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(imageExtent[2] - imageExtent[0]) / 2,
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(imageExtent[3] - imageExtent[1]) / 2);
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(imageExtent[3] - imageExtent[1]) / 2);
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ol.transform.translate(projectionMatrix, 1, 1);
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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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/**
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* @inheritDoc
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* @inheritDoc
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*/
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*/
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ol.renderer.webgl.ImageLayer.prototype.hasFeatureAtCoordinate = function(coordinate, frameState) {
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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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var hasFeature = this.forEachFeatureAtCoordinate(
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var hasFeature = this.forEachFeatureAtCoordinate(
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coordinate, frameState, 0, ol.functions.TRUE, this);
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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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} 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);
|
||||||
|
this.hitCanvasContext_.drawImage(this.image_.getImage(),
|
||||||
|
pixelOnFrameBuffer[0], pixelOnFrameBuffer[1], 1, 1, 0, 0, 1, 1);
|
||||||
|
|
||||||
|
var imageData = this.hitCanvasContext_.getImageData(0, 0, 1, 1).data;
|
||||||
|
if (imageData[3] > 0) {
|
||||||
|
return callback.call(thisArg, this.getLayer(), imageData);
|
||||||
|
} else {
|
||||||
|
return undefined;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
} else {
|
};
|
||||||
var imageSize =
|
|
||||||
[this.image_.getImage().width, this.image_.getImage().height];
|
|
||||||
|
|
||||||
if (!this.hitTransformationMatrix_) {
|
|
||||||
this.hitTransformationMatrix_ = this.getHitTransformationMatrix_(
|
|
||||||
frameState.size, imageSize);
|
|
||||||
}
|
|
||||||
|
|
||||||
var pixelOnFrameBuffer = ol.transform.apply(
|
|
||||||
this.hitTransformationMatrix_, pixel.slice());
|
|
||||||
|
|
||||||
if (pixelOnFrameBuffer[0] < 0 || pixelOnFrameBuffer[0] > imageSize[0] ||
|
|
||||||
pixelOnFrameBuffer[1] < 0 || pixelOnFrameBuffer[1] > imageSize[1]) {
|
|
||||||
// outside the image, no need to check
|
|
||||||
return undefined;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (!this.hitCanvasContext_) {
|
|
||||||
this.hitCanvasContext_ = ol.dom.createCanvasContext2D(1, 1);
|
|
||||||
}
|
|
||||||
|
|
||||||
this.hitCanvasContext_.clearRect(0, 0, 1, 1);
|
|
||||||
this.hitCanvasContext_.drawImage(this.image_.getImage(),
|
|
||||||
pixelOnFrameBuffer[0], pixelOnFrameBuffer[1], 1, 1, 0, 0, 1, 1);
|
|
||||||
|
|
||||||
var imageData = this.hitCanvasContext_.getImageData(0, 0, 1, 1).data;
|
|
||||||
if (imageData[3] > 0) {
|
|
||||||
return callback.call(thisArg, this.getLayer(), imageData);
|
|
||||||
} else {
|
|
||||||
return undefined;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The transformation matrix to get the pixel on the image for a
|
* The transformation matrix to get the pixel on the image for a
|
||||||
* pixel on the map.
|
* pixel on the map.
|
||||||
* @param {ol.Size} mapSize The map size.
|
* @param {ol.Size} mapSize The map size.
|
||||||
* @param {ol.Size} imageSize The image size.
|
* @param {ol.Size} imageSize The image size.
|
||||||
* @return {ol.Transform} The transformation matrix.
|
* @return {ol.Transform} The transformation matrix.
|
||||||
* @private
|
* @private
|
||||||
*/
|
*/
|
||||||
ol.renderer.webgl.ImageLayer.prototype.getHitTransformationMatrix_ = function(mapSize, imageSize) {
|
ol.renderer.webgl.ImageLayer.prototype.getHitTransformationMatrix_ = function(mapSize, imageSize) {
|
||||||
// the first matrix takes a map pixel, flips the y-axis and scales to
|
// the first matrix takes a map pixel, flips the y-axis and scales to
|
||||||
// a range between -1 ... 1
|
// a range between -1 ... 1
|
||||||
var mapCoordTransform = ol.transform.create();
|
var mapCoordTransform = ol.transform.create();
|
||||||
ol.transform.translate(mapCoordTransform, -1, -1);
|
ol.transform.translate(mapCoordTransform, -1, -1);
|
||||||
ol.transform.scale(mapCoordTransform, 2 / mapSize[0], 2 / mapSize[1]);
|
ol.transform.scale(mapCoordTransform, 2 / mapSize[0], 2 / mapSize[1]);
|
||||||
ol.transform.translate(mapCoordTransform, 0, mapSize[1]);
|
ol.transform.translate(mapCoordTransform, 0, mapSize[1]);
|
||||||
ol.transform.scale(mapCoordTransform, 1, -1);
|
ol.transform.scale(mapCoordTransform, 1, -1);
|
||||||
|
|
||||||
// the second matrix is the inverse of the projection matrix used in the
|
// the second matrix is the inverse of the projection matrix used in the
|
||||||
// shader for drawing
|
// shader for drawing
|
||||||
var projectionMatrixInv = ol.transform.invert(this.projectionMatrix.slice());
|
var projectionMatrixInv = ol.transform.invert(this.projectionMatrix.slice());
|
||||||
|
|
||||||
// the third matrix scales to the image dimensions and flips the y-axis again
|
// the third matrix scales to the image dimensions and flips the y-axis again
|
||||||
var transform = ol.transform.create();
|
var transform = ol.transform.create();
|
||||||
ol.transform.translate(transform, 0, imageSize[1]);
|
ol.transform.translate(transform, 0, imageSize[1]);
|
||||||
ol.transform.scale(transform, 1, -1);
|
ol.transform.scale(transform, 1, -1);
|
||||||
ol.transform.scale(transform, imageSize[0] / 2, imageSize[1] / 2);
|
ol.transform.scale(transform, imageSize[0] / 2, imageSize[1] / 2);
|
||||||
ol.transform.translate(transform, 1, 1);
|
ol.transform.translate(transform, 1, 1);
|
||||||
|
|
||||||
ol.transform.multiply(transform, projectionMatrixInv);
|
ol.transform.multiply(transform, projectionMatrixInv);
|
||||||
ol.transform.multiply(transform, mapCoordTransform);
|
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');
|
goog.require('ol.webgl.Context');
|
||||||
|
|
||||||
|
|
||||||
/**
|
if (ol.ENABLE_WEBGL) {
|
||||||
* @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);
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @protected
|
* @constructor
|
||||||
* @type {ol.renderer.webgl.Map}
|
* @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) {
|
||||||
|
|
||||||
/**
|
ol.renderer.Layer.call(this, 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
|
|
||||||
]);
|
|
||||||
|
|
||||||
/**
|
|
||||||
* @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.
|
* @protected
|
||||||
* @param {WebGLFramebuffer} framebuffer Framebuffer.
|
* @type {ol.renderer.webgl.Map}
|
||||||
* @param {WebGLTexture} texture Texture.
|
|
||||||
*/
|
*/
|
||||||
var postRenderFunction = function(gl, framebuffer, texture) {
|
this.mapRenderer = mapRenderer;
|
||||||
if (!gl.isContextLost()) {
|
|
||||||
gl.deleteFramebuffer(framebuffer);
|
|
||||||
gl.deleteTexture(texture);
|
|
||||||
}
|
|
||||||
}.bind(null, gl, this.framebuffer, this.texture);
|
|
||||||
|
|
||||||
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);
|
* @protected
|
||||||
gl.framebufferTexture2D(ol.webgl.FRAMEBUFFER,
|
* @type {WebGLFramebuffer}
|
||||||
ol.webgl.COLOR_ATTACHMENT0, ol.webgl.TEXTURE_2D, texture, 0);
|
*/
|
||||||
|
this.framebuffer = null;
|
||||||
|
|
||||||
this.texture = texture;
|
/**
|
||||||
this.framebuffer = framebuffer;
|
* @protected
|
||||||
this.framebufferDimension = framebufferDimension;
|
* @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 {olx.FrameState} frameState Frame state.
|
||||||
* @param {ol.LayerState} layerState Layer state.
|
* @param {number} framebufferDimension Framebuffer dimension.
|
||||||
* @param {ol.webgl.Context} context Context.
|
* @protected
|
||||||
*/
|
*/
|
||||||
ol.renderer.webgl.Layer.prototype.composeFrame = function(frameState, layerState, context) {
|
ol.renderer.webgl.Layer.prototype.bindFramebuffer = function(frameState, framebufferDimension) {
|
||||||
|
|
||||||
this.dispatchComposeEvent_(
|
var gl = this.mapRenderer.getGL();
|
||||||
ol.render.EventType.PRECOMPOSE, context, frameState);
|
|
||||||
|
|
||||||
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 texture = ol.webgl.Context.createEmptyTexture(
|
||||||
var vertexShader = ol.renderer.webgl.defaultmapshader.vertex;
|
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;
|
this.texture = texture;
|
||||||
if (!this.defaultLocations_) {
|
this.framebuffer = framebuffer;
|
||||||
locations =
|
this.framebufferDimension = framebufferDimension;
|
||||||
new ol.renderer.webgl.defaultmapshader.Locations(gl, program);
|
|
||||||
this.defaultLocations_ = locations;
|
|
||||||
} else {
|
|
||||||
locations = this.defaultLocations_;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (context.useProgram(program)) {
|
} else {
|
||||||
gl.enableVertexAttribArray(locations.a_position);
|
gl.bindFramebuffer(ol.webgl.FRAMEBUFFER, this.framebuffer);
|
||||||
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);
|
|
||||||
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @param {ol.render.EventType} type Event type.
|
* @param {olx.FrameState} frameState Frame state.
|
||||||
* @param {ol.webgl.Context} context WebGL context.
|
* @param {ol.LayerState} layerState Layer state.
|
||||||
* @param {olx.FrameState} frameState Frame state.
|
* @param {ol.webgl.Context} context Context.
|
||||||
* @private
|
*/
|
||||||
*/
|
ol.renderer.webgl.Layer.prototype.composeFrame = function(frameState, layerState, context) {
|
||||||
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(
|
this.dispatchComposeEvent_(
|
||||||
context, center, resolution, rotation, size, extent, pixelRatio);
|
ol.render.EventType.PRECOMPOSE, context, frameState);
|
||||||
var composeEvent = new ol.render.Event(
|
|
||||||
type, render, frameState, null, context);
|
context.bindBuffer(ol.webgl.ARRAY_BUFFER, this.arrayBuffer_);
|
||||||
layer.dispatchEvent(composeEvent);
|
|
||||||
}
|
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.
|
* @param {ol.render.EventType} type Event type.
|
||||||
*/
|
* @param {ol.webgl.Context} context WebGL context.
|
||||||
ol.renderer.webgl.Layer.prototype.getTexCoordMatrix = function() {
|
* @param {olx.FrameState} frameState Frame state.
|
||||||
return this.texCoordMatrix;
|
* @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.
|
* @return {!ol.Transform} Matrix.
|
||||||
*/
|
*/
|
||||||
ol.renderer.webgl.Layer.prototype.getTexture = function() {
|
ol.renderer.webgl.Layer.prototype.getTexCoordMatrix = function() {
|
||||||
return this.texture;
|
return this.texCoordMatrix;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @return {!ol.Transform} Matrix.
|
* @return {WebGLTexture} Texture.
|
||||||
*/
|
*/
|
||||||
ol.renderer.webgl.Layer.prototype.getProjectionMatrix = function() {
|
ol.renderer.webgl.Layer.prototype.getTexture = function() {
|
||||||
return this.projectionMatrix;
|
return this.texture;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* Handle webglcontextlost.
|
* @return {!ol.Transform} Matrix.
|
||||||
*/
|
*/
|
||||||
ol.renderer.webgl.Layer.prototype.handleWebGLContextLost = function() {
|
ol.renderer.webgl.Layer.prototype.getProjectionMatrix = function() {
|
||||||
this.texture = null;
|
return this.projectionMatrix;
|
||||||
this.framebuffer = null;
|
};
|
||||||
this.framebufferDimension = undefined;
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @abstract
|
* Handle webglcontextlost.
|
||||||
* @param {olx.FrameState} frameState Frame state.
|
*/
|
||||||
* @param {ol.LayerState} layerState Layer state.
|
ol.renderer.webgl.Layer.prototype.handleWebGLContextLost = function() {
|
||||||
* @param {ol.webgl.Context} context Context.
|
this.texture = null;
|
||||||
* @return {boolean} whether composeFrame should be called.
|
this.framebuffer = null;
|
||||||
*/
|
this.framebufferDimension = undefined;
|
||||||
ol.renderer.webgl.Layer.prototype.prepareFrame = function(frameState, layerState, context) {};
|
};
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @abstract
|
* @abstract
|
||||||
* @param {ol.Pixel} pixel Pixel.
|
* @param {olx.FrameState} frameState Frame state.
|
||||||
* @param {olx.FrameState} frameState FrameState.
|
* @param {ol.LayerState} layerState Layer state.
|
||||||
* @param {function(this: S, ol.layer.Layer, (Uint8ClampedArray|Uint8Array)): T} callback Layer
|
* @param {ol.webgl.Context} context Context.
|
||||||
* callback.
|
* @return {boolean} whether composeFrame should be called.
|
||||||
* @param {S} thisArg Value to use as `this` when executing `callback`.
|
*/
|
||||||
* @return {T|undefined} Callback result.
|
ol.renderer.webgl.Layer.prototype.prepareFrame = function(frameState, layerState, context) {};
|
||||||
* @template S,T,U
|
|
||||||
*/
|
|
||||||
ol.renderer.webgl.Layer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {};
|
/**
|
||||||
|
* @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');
|
goog.require('ol.webgl.Buffer');
|
||||||
|
|
||||||
|
|
||||||
/**
|
if (ol.ENABLE_WEBGL) {
|
||||||
* @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);
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @private
|
* @constructor
|
||||||
* @type {ol.webgl.Fragment}
|
* @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) {
|
||||||
|
|
||||||
/**
|
ol.renderer.webgl.Layer.call(this, 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);
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @type {Object.<number, Object.<string, ol.Tile>>}
|
* @private
|
||||||
|
* @type {ol.webgl.Fragment}
|
||||||
*/
|
*/
|
||||||
var tilesToDrawByZ = {};
|
this.fragmentShader_ = ol.renderer.webgl.tilelayershader.fragment;
|
||||||
tilesToDrawByZ[z] = {};
|
|
||||||
|
|
||||||
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;
|
* @private
|
||||||
var tmpExtent = ol.extent.createEmpty();
|
* @type {ol.renderer.webgl.tilelayershader.Locations}
|
||||||
var tmpTileRange = new ol.TileRange(0, 0, 0, 0);
|
*/
|
||||||
var childTileRange, drawable, fullyLoaded, tile, tileState;
|
this.locations_ = null;
|
||||||
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) {
|
* @private
|
||||||
// ignore tiles outside layer extent
|
* @type {ol.webgl.Buffer}
|
||||||
tileExtent = tileGrid.getTileCoordExtent(tile.tileCoord, tmpExtent);
|
*/
|
||||||
if (!ol.extent.intersects(tileExtent, layerState.extent)) {
|
this.renderArrayBuffer_ = new ol.webgl.Buffer([
|
||||||
continue;
|
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);
|
||||||
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);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
/**
|
||||||
|
* @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);
|
* @inheritDoc
|
||||||
zs.sort(ol.array.numberSafeCompareFunction);
|
*/
|
||||||
var u_tileOffset = new Float32Array(4);
|
ol.renderer.webgl.TileLayer.prototype.prepareFrame = function(frameState, layerState, context) {
|
||||||
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) {
|
var mapRenderer = this.mapRenderer;
|
||||||
this.renderedTileRange_ = tileRange;
|
var gl = context.getGL();
|
||||||
this.renderedFramebufferExtent_ = framebufferExtent;
|
|
||||||
this.renderedRevision_ = tileSource.getRevision();
|
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 {
|
} else {
|
||||||
this.renderedTileRange_ = null;
|
|
||||||
this.renderedFramebufferExtent_ = null;
|
var tileRangeSize = tileRange.getSize();
|
||||||
this.renderedRevision_ = -1;
|
|
||||||
frameState.animate = true;
|
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 texCoordMatrix = this.texCoordMatrix;
|
||||||
var tileTextureQueue = mapRenderer.getTileTextureQueue();
|
ol.transform.reset(texCoordMatrix);
|
||||||
this.manageTilePyramid(
|
ol.transform.translate(texCoordMatrix,
|
||||||
frameState, tileSource, tileGrid, pixelRatio, projection, extent, z,
|
(Math.round(center[0] / tileResolution) * tileResolution - framebufferExtent[0]) /
|
||||||
tileLayer.getPreload(),
|
(framebufferExtent[2] - framebufferExtent[0]),
|
||||||
/**
|
(Math.round(center[1] / tileResolution) * tileResolution - framebufferExtent[1]) /
|
||||||
* @param {ol.Tile} tile Tile.
|
(framebufferExtent[3] - framebufferExtent[1]));
|
||||||
*/
|
if (viewState.rotation !== 0) {
|
||||||
function(tile) {
|
ol.transform.rotate(texCoordMatrix, viewState.rotation);
|
||||||
if (tile.getState() == ol.TileState.LOADED &&
|
}
|
||||||
!mapRenderer.isTileTextureLoaded(tile) &&
|
ol.transform.scale(texCoordMatrix,
|
||||||
!tileTextureQueue.isKeyQueued(tile.getKey())) {
|
frameState.size[0] * viewState.resolution /
|
||||||
tileTextureQueue.enqueue([
|
(framebufferExtent[2] - framebufferExtent[0]),
|
||||||
tile,
|
frameState.size[1] * viewState.resolution /
|
||||||
tileGrid.getTileCoordCenter(tile.tileCoord),
|
(framebufferExtent[3] - framebufferExtent[1]));
|
||||||
tileGrid.getResolution(tile.tileCoord[0]),
|
ol.transform.translate(texCoordMatrix, -0.5, -0.5);
|
||||||
tilePixelSize, tileGutter * pixelRatio
|
|
||||||
]);
|
|
||||||
}
|
|
||||||
}, this);
|
|
||||||
this.scheduleExpireCache(frameState, tileSource);
|
|
||||||
this.updateLogos(frameState, tileSource);
|
|
||||||
|
|
||||||
var texCoordMatrix = this.texCoordMatrix;
|
return true;
|
||||||
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;
|
|
||||||
};
|
|
||||||
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @inheritDoc
|
* @inheritDoc
|
||||||
*/
|
*/
|
||||||
ol.renderer.webgl.TileLayer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {
|
ol.renderer.webgl.TileLayer.prototype.forEachLayerAtPixel = function(pixel, frameState, callback, thisArg) {
|
||||||
if (!this.framebuffer) {
|
if (!this.framebuffer) {
|
||||||
return undefined;
|
return undefined;
|
||||||
}
|
}
|
||||||
|
|
||||||
var pixelOnMapScaled = [
|
var pixelOnMapScaled = [
|
||||||
pixel[0] / frameState.size[0],
|
pixel[0] / frameState.size[0],
|
||||||
(frameState.size[1] - pixel[1]) / frameState.size[1]];
|
(frameState.size[1] - pixel[1]) / frameState.size[1]];
|
||||||
|
|
||||||
var pixelOnFrameBufferScaled = ol.transform.apply(
|
var pixelOnFrameBufferScaled = ol.transform.apply(
|
||||||
this.texCoordMatrix, pixelOnMapScaled.slice());
|
this.texCoordMatrix, pixelOnMapScaled.slice());
|
||||||
var pixelOnFrameBuffer = [
|
var pixelOnFrameBuffer = [
|
||||||
pixelOnFrameBufferScaled[0] * this.framebufferDimension,
|
pixelOnFrameBufferScaled[0] * this.framebufferDimension,
|
||||||
pixelOnFrameBufferScaled[1] * this.framebufferDimension];
|
pixelOnFrameBufferScaled[1] * this.framebufferDimension];
|
||||||
|
|
||||||
var gl = this.mapRenderer.getContext().getGL();
|
var gl = this.mapRenderer.getContext().getGL();
|
||||||
gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
|
gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer);
|
||||||
var imageData = new Uint8Array(4);
|
var imageData = new Uint8Array(4);
|
||||||
gl.readPixels(pixelOnFrameBuffer[0], pixelOnFrameBuffer[1], 1, 1,
|
gl.readPixels(pixelOnFrameBuffer[0], pixelOnFrameBuffer[1], 1, 1,
|
||||||
gl.RGBA, gl.UNSIGNED_BYTE, imageData);
|
gl.RGBA, gl.UNSIGNED_BYTE, imageData);
|
||||||
|
|
||||||
if (imageData[3] > 0) {
|
if (imageData[3] > 0) {
|
||||||
return callback.call(thisArg, this.getLayer(), imageData);
|
return callback.call(thisArg, this.getLayer(), imageData);
|
||||||
} else {
|
} else {
|
||||||
return undefined;
|
return undefined;
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
|
}
|
||||||
|
|||||||
@@ -9,307 +9,311 @@ goog.require('ol.renderer.webgl.Layer');
|
|||||||
goog.require('ol.transform');
|
goog.require('ol.transform');
|
||||||
|
|
||||||
|
|
||||||
/**
|
if (ol.ENABLE_WEBGL) {
|
||||||
* @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);
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @private
|
* @constructor
|
||||||
* @type {boolean}
|
* @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) {
|
||||||
|
|
||||||
/**
|
ol.renderer.webgl.Layer.call(this, mapRenderer, vectorLayer);
|
||||||
* @private
|
|
||||||
* @type {number}
|
|
||||||
*/
|
|
||||||
this.renderedRevision_ = -1;
|
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @private
|
* @private
|
||||||
* @type {number}
|
* @type {boolean}
|
||||||
*/
|
*/
|
||||||
this.renderedResolution_ = NaN;
|
this.dirty_ = false;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @private
|
* @private
|
||||||
* @type {ol.Extent}
|
* @type {number}
|
||||||
*/
|
*/
|
||||||
this.renderedExtent_ = ol.extent.createEmpty();
|
this.renderedRevision_ = -1;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @private
|
* @private
|
||||||
* @type {function(ol.Feature, ol.Feature): number|null}
|
* @type {number}
|
||||||
*/
|
*/
|
||||||
this.renderedRenderOrder_ = null;
|
this.renderedResolution_ = NaN;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* @private
|
* @private
|
||||||
* @type {ol.render.webgl.ReplayGroup}
|
* @type {ol.Extent}
|
||||||
*/
|
*/
|
||||||
this.replayGroup_ = null;
|
this.renderedExtent_ = ol.extent.createEmpty();
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* The last layer state.
|
* @private
|
||||||
* @private
|
* @type {function(ol.Feature, ol.Feature): number|null}
|
||||||
* @type {?ol.LayerState}
|
*/
|
||||||
*/
|
this.renderedRenderOrder_ = null;
|
||||||
this.layerState_ = null;
|
|
||||||
|
|
||||||
};
|
/**
|
||||||
ol.inherits(ol.renderer.webgl.VectorLayer, ol.renderer.webgl.Layer);
|
* @private
|
||||||
|
* @type {ol.render.webgl.ReplayGroup}
|
||||||
|
*/
|
||||||
/**
|
|
||||||
* @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)();
|
|
||||||
this.replayGroup_ = null;
|
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.
|
* @inheritDoc
|
||||||
* @this {ol.renderer.webgl.VectorLayer}
|
|
||||||
*/
|
*/
|
||||||
var renderFeature = function(feature) {
|
ol.renderer.webgl.VectorLayer.prototype.composeFrame = function(frameState, layerState, context) {
|
||||||
var styles;
|
this.layerState_ = layerState;
|
||||||
var styleFunction = feature.getStyleFunction();
|
var viewState = frameState.viewState;
|
||||||
if (styleFunction) {
|
var replayGroup = this.replayGroup_;
|
||||||
styles = styleFunction.call(feature, resolution);
|
var size = frameState.size;
|
||||||
} else {
|
var pixelRatio = frameState.pixelRatio;
|
||||||
styleFunction = vectorLayer.getStyleFunction();
|
var gl = this.mapRenderer.getGL();
|
||||||
if (styleFunction) {
|
if (replayGroup && !replayGroup.isEmpty()) {
|
||||||
styles = styleFunction(feature, resolution);
|
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.
|
* @inheritDoc
|
||||||
* @param {number} resolution Resolution.
|
*/
|
||||||
* @param {number} pixelRatio Pixel ratio.
|
ol.renderer.webgl.VectorLayer.prototype.hasFeatureAtCoordinate = function(coordinate, frameState) {
|
||||||
* @param {(ol.style.Style|Array.<ol.style.Style>)} styles The style or array of
|
if (!this.replayGroup_ || !this.layerState_) {
|
||||||
* styles.
|
return false;
|
||||||
* @param {ol.render.webgl.ReplayGroup} replayGroup Replay group.
|
} else {
|
||||||
* @return {boolean} `true` if an image is loading.
|
var context = this.mapRenderer.getContext();
|
||||||
*/
|
var viewState = frameState.viewState;
|
||||||
ol.renderer.webgl.VectorLayer.prototype.renderFeature = function(feature, resolution, pixelRatio, styles, replayGroup) {
|
var layerState = this.layerState_;
|
||||||
if (!styles) {
|
return this.replayGroup_.hasFeatureAtCoordinate(coordinate,
|
||||||
return false;
|
context, viewState.center, viewState.resolution, viewState.rotation,
|
||||||
}
|
frameState.size, frameState.pixelRatio, layerState.opacity,
|
||||||
var loading = false;
|
frameState.skippedFeatureUids);
|
||||||
if (Array.isArray(styles)) {
|
}
|
||||||
for (var i = styles.length - 1, ii = 0; i >= ii; --i) {
|
};
|
||||||
|
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @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(
|
loading = ol.renderer.vector.renderFeature(
|
||||||
replayGroup, feature, styles[i],
|
replayGroup, feature, styles,
|
||||||
ol.renderer.vector.getSquaredTolerance(resolution, pixelRatio),
|
ol.renderer.vector.getSquaredTolerance(resolution, pixelRatio),
|
||||||
this.handleStyleImageChange_, this) || loading;
|
this.handleStyleImageChange_, this) || loading;
|
||||||
}
|
}
|
||||||
} else {
|
return loading;
|
||||||
loading = ol.renderer.vector.renderFeature(
|
};
|
||||||
replayGroup, feature, styles,
|
|
||||||
ol.renderer.vector.getSquaredTolerance(resolution, pixelRatio),
|
}
|
||||||
this.handleStyleImageChange_, this) || loading;
|
|
||||||
}
|
|
||||||
return loading;
|
|
||||||
};
|
|
||||||
|
|||||||
+211
-207
@@ -1,288 +1,292 @@
|
|||||||
goog.provide('ol.webgl');
|
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.
|
* @param {HTMLCanvasElement} canvas Canvas.
|
||||||
* @return {WebGLRenderingContext} WebGL rendering context.
|
* @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;
|
ol.webgl.getContext = function(canvas, opt_attributes) {
|
||||||
for (i = 0; i < ii; ++i) {
|
var context, i, ii = ol.webgl.CONTEXT_IDS_.length;
|
||||||
try {
|
for (i = 0; i < ii; ++i) {
|
||||||
context = canvas.getContext(ol.webgl.CONTEXT_IDS_[i], opt_attributes);
|
try {
|
||||||
if (context) {
|
context = canvas.getContext(ol.webgl.CONTEXT_IDS_[i], opt_attributes);
|
||||||
return /** @type {!WebGLRenderingContext} */ (context);
|
if (context) {
|
||||||
|
return /** @type {!WebGLRenderingContext} */ (context);
|
||||||
|
}
|
||||||
|
} catch (e) {
|
||||||
|
// pass
|
||||||
}
|
}
|
||||||
} catch (e) {
|
|
||||||
// pass
|
|
||||||
}
|
}
|
||||||
}
|
return null;
|
||||||
return null;
|
};
|
||||||
};
|
|
||||||
|
}
|
||||||
|
|||||||
Reference in New Issue
Block a user