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Merge pull request #3065 from tsauerwein/webgl-point-hit-detection

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Add hit-detection support for WebGL
This commit is contained in:
Tobias Sauerwein
2015-01-22 10:19:37 +01:00
parent f625a29978 974823dbd4
commit 53f98dcf4e
17 changed files with 609 additions and 156 deletions
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src/ol/renderer/webgl/webglimagelayerrenderer.js
+3 -18
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@@ -11,6 +11,7 @@ goog.require('ol.extent');
goog.require('ol.layer.Image');
goog.require('ol.proj');
goog.require('ol.renderer.webgl.Layer');
goog.require('ol.webgl.Context');
@@ -49,24 +50,8 @@ ol.renderer.webgl.ImageLayer.prototype.createTexture_ = function(image) {
var imageElement = image.getImage();
var gl = this.getWebGLMapRenderer().getGL();
var texture = gl.createTexture();
gl.bindTexture(goog.webgl.TEXTURE_2D, texture);
gl.texImage2D(goog.webgl.TEXTURE_2D, 0, goog.webgl.RGBA,
goog.webgl.RGBA, goog.webgl.UNSIGNED_BYTE, imageElement);
gl.texParameteri(
goog.webgl.TEXTURE_2D, goog.webgl.TEXTURE_WRAP_S,
goog.webgl.CLAMP_TO_EDGE);
gl.texParameteri(
goog.webgl.TEXTURE_2D, goog.webgl.TEXTURE_WRAP_T,
goog.webgl.CLAMP_TO_EDGE);
gl.texParameteri(
goog.webgl.TEXTURE_2D, goog.webgl.TEXTURE_MIN_FILTER, goog.webgl.LINEAR);
gl.texParameteri(
goog.webgl.TEXTURE_2D, goog.webgl.TEXTURE_MAG_FILTER, goog.webgl.LINEAR);
return texture;
return ol.webgl.Context.createTexture(
gl, imageElement, goog.webgl.CLAMP_TO_EDGE, goog.webgl.CLAMP_TO_EDGE);
};