From da01f10443cd66b1c725a983373779fae4568da3 Mon Sep 17 00:00:00 2001
From: Nguyen Quang-Liem <quang-liem.nguyen7@etu.univ-lorraine.fr>
Date: Mon, 10 Feb 2025 15:34:15 +0000
Subject: [PATCH] Upload New File
---
lib/Detector.js | 40 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 40 insertions(+)
create mode 100644 lib/Detector.js
diff --git a/lib/Detector.js b/lib/Detector.js
new file mode 100644
index 0000000..9f59fcc
--- /dev/null
+++ b/lib/Detector.js
@@ -0,0 +1,40 @@
+// TODO: This should be replaced with the checking code from http://get.webgl.org
+// they have better supprot messages for different browsers
+var Detector={
+ canvas:!!window.CanvasRenderingContext2D,
+ webgl:(function(){
+ try{
+ return!!window.WebGLRenderingContext&&!!document.createElement('canvas').getContext('experimental-webgl');
+ }
+ catch(e){
+ return false;
+ }
+ })(),
+ workers:!!window.Worker,
+ fileapi:window.File&&window.FileReader&&window.FileList&&window.Blob,
+ getWebGLErrorMessage:function(){
+ var element=document.createElement('div');
+ element.id='webgl-error-message';
+ element.style.fontFamily='monospace';element.style.fontSize='13px';
+ element.style.fontWeight='normal';
+ element.style.textAlign='center';
+ element.style.background='#fff';
+ element.style.color='#000';
+ element.style.padding='1.5em';
+ element.style.width='400px';
+ element.style.margin='5em auto 0';
+ if(!this.webgl){
+ element.innerHTML=window.WebGLRenderingContext?['Your graphics card does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">WebGL</a>.<br />','Find out how to get it <a href="http://get.webgl.org/" style="color:#000">here</a>.'].join('\n'):['Your browser does not seem to support <a href="http://khronos.org/webgl/wiki/Getting_a_WebGL_Implementation" style="color:#000">WebGL</a>.<br/>','Find out how to get it <a href="http://get.webgl.org/" style="color:#000">here</a>.'].join('\n');
+ }
+ return element;
+ },
+ addGetWebGLMessage:function(parameters){
+ var parent,id,element;
+ parameters=parameters||{};
+ parent=parameters.parent!==undefined?parameters.parent:document.body;
+ id=parameters.id!==undefined?parameters.id:'unsupported';
+ element=Detector.getWebGLErrorMessage();
+ element.id=id;
+ document.body.insertBefore(element, document.body.childNodes[0]);
+ }
+};
\ No newline at end of file
--
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