2010-07-16 07:30:32 -07:00
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html><head>
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<!--
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Tests for the OpenGL ES 2.0 HTML Canvas context
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Copyright (C) 2009 Ilmari Heikkinen <ilmari.heikkinen@gmail.com>
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation
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files (the "Software"), to deal in the Software without
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restriction, including without limitation the rights to use,
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copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following
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conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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-->
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<link rel="stylesheet" type="text/css" href="../unit.css" />
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<script type="application/x-javascript" src="../unit.js"></script>
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<script type="application/x-javascript" src="../util.js"></script>
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<script type="application/x-javascript">
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Tests.startUnit = function () {
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var canvas = document.getElementById('gl');
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var gl = wrapGLContext(canvas.getContext(GL_CONTEXT_ID));
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return [gl];
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}
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Tests.testReadPixels = function(gl) {
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2010-08-25 16:09:26 -07:00
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var id = new Uint8Array(16 * 16 * 4);
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assertOk(function(){gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);});
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assertOk(function(){gl.readPixels(0,0,16,16,gl.RGBA, gl.UNSIGNED_BYTE, id);});
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assertOk(function(){gl.readPixels(15,15,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);});
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var format = gl.getParameter(gl.IMPLEMENTATION_COLOR_READ_FORMAT);
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var type = gl.getParameter(gl.IMPLEMENTATION_COLOR_READ_TYPE);
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assertOk(function(){gl.readPixels(15,15,1,1, format, type, id);});
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}
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Tests.testReadPixelsRGBA = function(gl) {
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gl.clearColor(1, 0, 1, 0);
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gl.clear(gl.COLOR_BUFFER_BIT);
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2010-08-25 16:09:26 -07:00
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var id = new Uint8Array(4);
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gl.readPixels(1,2,1,1,gl.RGBA, gl.UNSIGNED_BYTE, id);
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assertArrayEquals([255, 0, 255, 0], id);
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2010-07-16 07:30:32 -07:00
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}
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Tests.endUnit = function(gl) {
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}
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</script>
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<style>canvas{ position:absolute; }</style>
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</head><body>
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<canvas id="gl" width="16" height="16"></canvas>
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</body></html>
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