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Add feature overlay support to webgl map renderer.

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This commit is contained in:
Guillaume Beraudo
2014-11-07 11:12:31 +01:00
parent 440d253335
commit 6abe3047ec
3 changed files with 48 additions and 5 deletions
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28
src/ol/renderer/webgl/webglmaprenderer.js
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@@ -24,7 +24,9 @@ goog.require('ol.layer.Vector');
goog.require('ol.render.Event');
goog.require('ol.render.EventType');
goog.require('ol.render.webgl.Immediate');
goog.require('ol.render.webgl.ReplayGroup');
goog.require('ol.renderer.Map');
goog.require('ol.renderer.vector');
goog.require('ol.renderer.webgl.ImageLayer');
goog.require('ol.renderer.webgl.Layer');
goog.require('ol.renderer.webgl.TileLayer');
@@ -270,11 +272,29 @@ ol.renderer.webgl.Map.prototype.dispatchComposeEvent_ =
function(type, frameState) {
var map = this.getMap();
if (map.hasListener(type)) {
var context = this.getContext();
var render = new ol.render.webgl.Immediate(context, frameState.pixelRatio);
var composeEvent = new ol.render.Event(
type, map, render, null, frameState, null, context);
var context = this.context_;
var extent = frameState.extent;
var viewState = frameState.viewState;
var resolution = viewState.resolution;
var pixelRatio = frameState.pixelRatio;
var tolerance = ol.renderer.vector.getTolerance(resolution, pixelRatio);
var vectorContext = new ol.render.webgl.Immediate(context, pixelRatio);
var replayGroup = new ol.render.webgl.ReplayGroup(tolerance, extent);
var composeEvent = new ol.render.Event(type, map, vectorContext,
replayGroup, frameState, null, context);
map.dispatchEvent(composeEvent);
replayGroup.finish(context);
if (!replayGroup.isEmpty()) {
var center = viewState.center;
var rotation = viewState.rotation;
var size = frameState.size;
replayGroup.replay(context, center, resolution, rotation, size, extent,
pixelRatio, {});
}
this.replayGroup = replayGroup;
}
};