mirror of
https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
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129 lines
3.6 KiB
HTML
129 lines
3.6 KiB
HTML
<!--
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/*
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** Copyright (c) 2012 The Khronos Group Inc.
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**
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** Permission is hereby granted, free of charge, to any person obtaining a
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** copy of this software and/or associated documentation files (the
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** "Materials"), to deal in the Materials without restriction, including
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** without limitation the rights to use, copy, modify, merge, publish,
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** distribute, sublicense, and/or sell copies of the Materials, and to
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** permit persons to whom the Materials are furnished to do so, subject to
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** the following conditions:
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**
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** The above copyright notice and this permission notice shall be included
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** in all copies or substantial portions of the Materials.
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**
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** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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*/
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-->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<link rel="stylesheet" href="../../resources/js-test-style.css"/>
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<script src="../../js/js-test-pre.js"></script>
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<script src="../../js/webgl-test-utils.js"></script>
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<style>
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.pattern {
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white-space: nowrap;
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display: inline-block;
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}
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canvas {
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width:50px;
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height:50px;
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}
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.square {
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display:inline-block;
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width:50px;
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height:50px;
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background-color:red;
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}
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</style>
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<script>
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"use strict";
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var wtu = WebGLTestUtils;
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function checkResult(ctx1, ctx2, preserve) {
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var imgData1 = ctx1.getImageData(0,0,1,1);
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var imgData2 = ctx2.getImageData(0,0,1,1);
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var correct1 = [255,0,0,255];
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var correct2 = preserve ? [255,0,0,255] : [0,0,0,255];
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var ok1 = true;
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var ok2 = true;
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for (var p = 0; p < 4; ++p) {
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if (imgData1.data[p] != correct1[p])
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ok1 = false;
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if (imgData2.data[p] != correct2[p])
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ok2 = false;
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}
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if (ok1 && ok2)
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testPassed('Rendered ok with preserveDrawingBuffer ' + preserve +'.');
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else
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testFailed('Did not render ok with preserveDrawingBuffer ' + preserve + '.');
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if (preserve) {
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finishTest()
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} else {
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runTest(true);
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}
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}
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function runTest(preserve) {
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var c1 = document.getElementById('c' + (preserve * 3 + 1));
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var c2 = document.getElementById('c' + (preserve * 3 + 2));
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var c3 = document.getElementById('c' + (preserve * 3 + 3));
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var ctx1 = c1.getContext('2d');
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var ctx2 = c2.getContext('2d');
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var gl = wtu.create3DContext(c3, { alpha:false, preserveDrawingBuffer:preserve });
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gl.clearColor(1, 0, 0, 1);
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gl.clear(gl.COLOR_BUFFER_BIT);
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ctx1.drawImage(c3, 0, 0);
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wtu.waitForComposite(function() {
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ctx2.drawImage(c3, 0, 0);
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checkResult(ctx1, ctx2, preserve);
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});
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}
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</script>
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</head>
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<body>
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<div class="pattern">
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<canvas id='c1'></canvas>
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<canvas id='c2'></canvas>
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<canvas id='c3'></canvas>
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</div>
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<span>should look like</span>
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<div class="pattern">
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<div class='square'></div>
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<div class='square' style='background-color:black'></div>
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<div class='square'></div>
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</div>
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<hr />
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<div class="pattern">
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<canvas id='c4'></canvas>
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<canvas id='c5'></canvas>
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<canvas id='c6'></canvas>
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</div>
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<span>should look like</span>
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<div class="pattern">
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<div class='square'></div>
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<div class='square'></div>
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<div class='square'></div>
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</div>
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<div id="description"></div>
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<div id="console"></div>
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<script>
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"use strict";
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description('Verify that preserveDrawingBuffer attribute is honored.');
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runTest(false);
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var successfullyParsed = true;
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shouldBeTrue("successfullyParsed");
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</script>
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</body>
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</html>
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