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https://gitlab.winehq.org/wine/wine-gecko.git
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93 lines
3.4 KiB
HTML
93 lines
3.4 KiB
HTML
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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.delay = 1000; // let the browser finish drawing on the GL canvas (gahhh)
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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.testGetImageData = function(gl) {
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assertOk(function(){gl.getImageData(0,0,1,1);});
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assertOk(function(){gl.getImageData(0,0,16,16);});
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assertOk(function(){gl.getImageData(15,15,1,1);});
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}
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Tests.testGetImageDataDimensions = function(gl) {
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var id = gl.getImageData(1,2,12,13);
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assertEquals(12, id.width);
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assertEquals(13, id.height);
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assertEquals(12*13*4, id.data.length);
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}
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Tests.testGetImageDataRGBA = function(gl) {
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var id = gl128.getImageData(1,2,1,1);
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assertEquals(1, id.width);
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assertEquals(1, id.height);
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assertEquals(4, id.data.length);
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if (id.data.join(",") == "192,128,64,128")
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assertEquals([192, 128, 64, 128], id.data);
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else // un-premultiplied data
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assertEquals([191, 127, 63, 128], id.data);
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var id = gl0.getImageData(1,2,1,1);
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if (id.data.join(",") == "192,128,64,0")
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assertEquals([192, 128, 64, 0], id.data);
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else // un-premultiplied data-loss
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assertEquals([0, 0, 0, 0], id.data);
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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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<canvas id="glgrey128" width="16" height="16"></canvas>
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<canvas id="glgrey0" width="16" height="16"></canvas>
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<script>
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// draw on canvases here as getImageData doesn't trigger render
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var canvas128 = document.getElementById('glgrey128');
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window.gl128 = canvas128.getContext(GL_CONTEXT_ID);
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gl128.clearColor(0.75, 0.5, 0.25, 0.5);
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gl128.clear(gl128.COLOR_BUFFER_BIT);
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var canvas0 = document.getElementById('glgrey0');
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window.gl0 = canvas0.getContext(GL_CONTEXT_ID);
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gl0.clearColor(0.75, 0.5, 0.25, 0.0);
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gl0.clear(gl0.COLOR_BUFFER_BIT);
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</script>
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</body></html>
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