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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/conformance/context/context-attribute-preserve-drawing-buffer.html | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/context/context-attribute-preserve-drawing-buffer.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/context/context-attribute-preserve-drawing-buffer.html | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/context/context-attribute-preserve-drawing-buffer.html b/dom/canvas/test/webgl-conf/checkout/conformance/context/context-attribute-preserve-drawing-buffer.html new file mode 100644 index 0000000000..7a023996fb --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/context/context-attribute-preserve-drawing-buffer.html @@ -0,0 +1,117 @@ +<!-- +Copyright (c) 2019 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<link rel="stylesheet" href="../../resources/js-test-style.css"/> +<script src="../../js/js-test-pre.js"></script> +<script src="../../js/webgl-test-utils.js"></script> +<style> +.pattern { + white-space: nowrap; + display: inline-block; +} +canvas { + width:10px; + height:10px; +} +.square { + display:inline-block; + width:10px; + height:10px; + background-color:red; +} +</style> +<script> +"use strict"; +var wtu = WebGLTestUtils; +function checkResult(ctx1, ctx2, preserve) { + var imgData1 = ctx1.getImageData(0,0,1,1); + var imgData2 = ctx2.getImageData(0,0,1,1); + var correct1 = [255,0,0,255]; + var correct2 = preserve ? [255,0,0,255] : [0,0,0,255]; + var ok1 = true; + var ok2 = true; + for (var p = 0; p < 4; ++p) { + if (imgData1.data[p] != correct1[p]) + ok1 = false; + if (imgData2.data[p] != correct2[p]) + ok2 = false; + } + if (ok1 && ok2) + testPassed('Rendered ok with preserveDrawingBuffer ' + preserve +'.'); + else + testFailed('Did not render ok with preserveDrawingBuffer ' + preserve + '.'); + if (preserve) { + finishTest() + } else { + runTest(true); + } +} + +function runTest(preserve) { + var c1 = document.getElementById('c' + (preserve * 3 + 1)); + var c2 = document.getElementById('c' + (preserve * 3 + 2)); + var c3 = document.getElementById('c' + (preserve * 3 + 3)); + var ctx1 = c1.getContext('2d'); + var ctx2 = c2.getContext('2d'); + var gl = wtu.create3DContext(c3, { alpha:false, preserveDrawingBuffer:preserve }); + if (!gl) { + testFailed("context does not exist"); + if (preserve) { + finishTest() + } else { + runTest(true); + } + return; + } + gl.clearColor(1, 0, 0, 1); + gl.clear(gl.COLOR_BUFFER_BIT); + ctx1.drawImage(c3, 0, 0); + wtu.waitForComposite(function() { + ctx2.drawImage(c3, 0, 0); + checkResult(ctx1, ctx2, preserve); + }); +} +</script> +</head> +<body> +<div class="pattern"> + <canvas id='c1'></canvas> + <canvas id='c2'></canvas> + <canvas id='c3'></canvas> +</div> +<span>should look like</span> +<div class="pattern"> + <div class='square'></div> + <div class='square' style='background-color:black'></div> + <div class='square'></div> +</div> +<hr /> +<div class="pattern"> + <canvas id='c4'></canvas> + <canvas id='c5'></canvas> + <canvas id='c6'></canvas> +</div> +<span>should look like</span> +<div class="pattern"> + <div class='square'></div> + <div class='square'></div> + <div class='square'></div> +</div> +<div id="description"></div> +<div id="console"></div> +<script> +"use strict"; +description('Verify that preserveDrawingBuffer attribute is honored.'); +runTest(false); +var successfullyParsed = true; +shouldBeTrue("successfullyParsed"); +</script> +</body> +</html> |