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author | Lars Henrik Mai <lars.mai@kontinui.de> | 2014-09-23 08:44:31 +0200 |
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committer | Lars Henrik Mai <lars.mai@kontinui.de> | 2014-09-23 08:44:31 +0200 |
commit | 7fc6575a7a38daa21a26e2b179a92ca809b61eea (patch) | |
tree | 679498b3fd59aa375c6c6ce7ba48ed3d6a6e11d7 /source/bower_components/modernizr/feature-detects/webgl-extensions.js | |
parent | 35239fc1f4641db1e602383b43cc29b151cde9b9 (diff) | |
parent | 1c177d628ffdb693483b1c39b94b5f19adcd8095 (diff) |
Merge branch 'replace-bootstrap-with-foundation'
Diffstat (limited to 'source/bower_components/modernizr/feature-detects/webgl-extensions.js')
-rw-r--r-- | source/bower_components/modernizr/feature-detects/webgl-extensions.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/source/bower_components/modernizr/feature-detects/webgl-extensions.js b/source/bower_components/modernizr/feature-detects/webgl-extensions.js new file mode 100644 index 0000000..c005c00 --- /dev/null +++ b/source/bower_components/modernizr/feature-detects/webgl-extensions.js @@ -0,0 +1,42 @@ + +// Grab the WebGL extensions currently supported and add to the Modernizr.webgl object +// spec: www.khronos.org/registry/webgl/specs/latest/#5.13.14 + +// based on code from ilmari heikkinen +// code.google.com/p/graphics-detect/source/browse/js/detect.js + + +(function(){ + + if (!Modernizr.webgl) return; + + var canvas, ctx, exts; + + try { + canvas = document.createElement('canvas'); + ctx = canvas.getContext('webgl') || canvas.getContext('experimental-webgl'); + exts = ctx.getSupportedExtensions(); + } + catch (e) { + return; + } + + if (ctx === undefined) { + Modernizr.webgl = new Boolean(false); + } + else { + Modernizr.webgl = new Boolean(true); + } + + + for (var i = -1, len = exts.length; ++i < len; ){ + Modernizr.webgl[exts[i]] = true; + } + + // hack for addressing modernizr testsuite failures. sorry. + if (window.TEST && TEST.audvid){ + TEST.audvid.push('webgl'); + } + + canvas = undefined; +})();
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