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Move WebGL support test into ol.webgl

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This commit is contained in:
Tom Payne
2012-10-17 17:25:32 +02:00
parent 1d40b64db1
commit 8cb28a7217
2 changed files with 19 additions and 11 deletions
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14
src/ol/renderer/webgl/webgl.js
View File

@@ -1,5 +1,7 @@
goog.provide('ol.renderer.webgl'); goog.provide('ol.renderer.webgl');
goog.require('ol.webgl');
/** /**
* @define {boolean} Free resources immediately. * @define {boolean} Free resources immediately.
@@ -10,14 +12,4 @@ ol.renderer.webgl.FREE_RESOURCES_IMMEDIATELY = false;
/** /**
* @return {boolean} Is supported. * @return {boolean} Is supported.
*/ */
ol.renderer.webgl.isSupported = function() { ol.renderer.webgl.isSupported = ol.webgl.isSupported;
if (!('WebGLRenderingContext' in goog.global)) {
return false;
}
try {
var canvas = goog.dom.createElement(goog.dom.TagName.CANVAS);
return !goog.isNull(canvas.getContext('experimental-webgl'));
} catch (e) {
return false;
}
};

16
src/ol/webgl/webgl.js
View File

@@ -19,3 +19,19 @@ ol.webgl.WebGLContextEventType = {
ol.webgl.getContext = function(canvas, opt_attributes) { ol.webgl.getContext = function(canvas, opt_attributes) {
return canvas.getContext('experimental-webgl', opt_attributes); return canvas.getContext('experimental-webgl', opt_attributes);
}; };
/**
* @return {boolean} Is supported.
*/
ol.webgl.isSupported = function() {
if (!('WebGLRenderingContext' in goog.global)) {
return false;
}
try {
var canvas = goog.dom.createElement(goog.dom.TagName.CANVAS);
return !goog.isNull(canvas.getContext('experimental-webgl'));
} catch (e) {
return false;
}
};