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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/extra/canvas-compositing-test.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/extra/canvas-compositing-test.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/extra/canvas-compositing-test.html | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/extra/canvas-compositing-test.html b/dom/canvas/test/webgl-conf/checkout/extra/canvas-compositing-test.html new file mode 100644 index 0000000000..6eab0020bc --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/extra/canvas-compositing-test.html @@ -0,0 +1,88 @@ +<!-- +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"> +<title>Canvas Compositing Test</title> +<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> +</head> +<body> +Below are 2 50x50 pixel canvas but using CSS to display them at 100x100 pixels. <br/> +They are solid black with a red triangle<br/> +They each have a 10px CSS solid black border around them.<br/> +Depending on how the browser composites the canvas with the page they will get +a white outline<hr/> +<div> +2d canvas<br/> +<canvas id="example2" width="50" height="50" style="width: 100px; height: 100px; border: 10px solid black;"></canvas> +</div> +<hr/> +3d canvas<br/> +<div> +<canvas id="example" width="50" height="50" style="width: 100px; height: 100px; border: 10px solid black;"></canvas> +</div> +<hr/> +img tag<br/> +<img src="50x50pixel-black-with-red-triangle.png" style="width: 100px; height: 100px; border: 10px solid black;"/> +<div id="description"></div> +<div id="console"></div> + <script id="vshader" type="x-shader/x-vertex"> + attribute vec4 vPosition; + void main() + { + gl_Position = vPosition; + } + </script> + + <script id="fshader" type="x-shader/x-fragment"> + void main() + { + gl_FragColor = vec4(1.0,0.0,0.0,1.0); + } + </script> + + <script> + "use strict"; + function init() + { + var wtu = WebGLTestUtils; + var canvas2d = document.getElementById("example2"); + var ctx2d = canvas2d.getContext("2d"); + ctx2d.fillStyle = "rgba(0, 0, 0, 255)" + ctx2d.fillRect(0, 0, 50, 50); + ctx2d.fillStyle = "rgba(255, 0, 0, 255)" + ctx2d.beginPath(); + ctx2d.moveTo(25, 12.5); + ctx2d.lineTo(12.5, 37.5); + ctx2d.lineTo(37.5, 37.5); + ctx2d.lineTo(25, 12.5); + ctx2d.fill(); + + + var gl = wtu.create3DContext("example"); + var program = wtu.setupProgram(gl, ["vshader", "fshader"], ["vPosition"]); + + var vertexObject = gl.createBuffer(); + gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); + gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW); + gl.enableVertexAttribArray(0); + gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); + + gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); + gl.drawArrays(gl.TRIANGLES, 0, 3); + } + + init(); + var successfullyParsed = true; + </script> +</body> +<script src="../js/js-test-post.js"></script> +</body> +</html> |