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Aquarium fails if webgl2 not available #44

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20 changes: 11 additions & 9 deletions tdl/webgl.js
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Original file line numberDiff line numberDiff line change
Expand Up@@ -98,18 +98,16 @@ tdl.webgl.OTHER_PROBLEM = '' +
*/
tdl.webgl.setupWebGL = function(canvas, opt_attribs, opt_onError, opt_preferredContextType) {
function handleCreationError(msg) {
var container = canvas.parentNode;
if (container) {
var str = window.WebGLRenderingContext ?
tdl.webgl.OTHER_PROBLEM :
tdl.webgl.GET_A_WEBGL_BROWSER;
if (msg) {
str += "<br/><br/>Status: " + msg;
}
container.innerHTML = tdl.webgl.makeFailHTML(str);
str = window.WebGLRenderingContext ?
tdl.webgl.OTHER_PROBLEM :
tdl.webgl.GET_A_WEBGL_BROWSER;
if (msg) {
str += "<br/><br/>Status: " + msg;
}
};

var str = "";

opt_onError = opt_onError || handleCreationError;

if (canvas.addEventListener) {
Expand All@@ -131,6 +129,10 @@ tdl.webgl.setupWebGL = function(canvas, opt_attribs, opt_onError, opt_preferredC
}, false);
}
} else {
var container = canvas.parentNode;
if (container) {
container.innerHTML = tdl.webgl.makeFailHTML(str);
}
if (!window.WebGLRenderingContext) {
opt_onError("");
}
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