content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-video.html@deefc01c0e14
content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-video.html
Thu, 15 Jan 2015 21:03:48 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 15 Jan 2015 21:03:48 +0100
- branch
- TOR_BUG_9701
- changeset 11
- deefc01c0e14
- permissions
- -rw-r--r--
Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)
1 <!--
2 Copyright (c) 2011 The Chromium Authors. All rights reserved.
3 Use of this source code is governed by a BSD-style license that can be
4 found in the LICENSE file.
5 -->
6 <!DOCTYPE html>
7 <html>
8 <head>
9 <meta charset="utf-8">
10 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
11 <script src="../../resources/js-test-pre.js"></script>
12 <script src="../resources/webgl-test.js"></script>
13 <script src="../resources/webgl-test-utils.js"></script>
14 <script>
15 var wtu = WebGLTestUtils;
16 var gl = null;
17 var textureLoc = null;
18 var successfullyParsed = false;
20 if (window.initNonKhronosFramework) {
21 window.initNonKhronosFramework(true);
22 }
24 function init()
25 {
26 description('Verify texImage2D and texSubImage2D code paths taking Video Elements');
28 gl = wtu.create3DContext("example");
29 var program = wtu.setupTexturedQuad(gl);
31 gl.clearColor(0,0,0,1);
32 gl.clearDepth(1);
34 textureLoc = gl.getUniformLocation(program, "tex");
36 var video = document.getElementById("vid");
37 video.addEventListener(
38 "playing", function() { runTest(video); }, true);
39 video.loop = true;
40 video.play();
41 }
43 // These two declarations need to be global for "shouldBe" to see them
44 var buf = null;
45 var idx = 0;
46 var pixel = [0, 0, 0];
47 var correctColor = null;
49 function runOneIteration(videoElement, useTexSubImage2D, flipY, topColor, bottomColor)
50 {
51 debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +
52 ' with flipY=' + flipY);
53 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
54 // Disable any writes to the alpha channel
55 gl.colorMask(1, 1, 1, 0);
56 var texture = gl.createTexture();
57 // Bind the texture to texture unit 0
58 gl.bindTexture(gl.TEXTURE_2D, texture);
59 // Set up texture parameters
60 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
61 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
62 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
63 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
64 // Set up pixel store parameters
65 gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
66 gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
67 // Upload the videoElement into the texture
68 if (useTexSubImage2D) {
69 // Initialize the texture to black first
70 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA,
71 videoElement.videoWidth, videoElement.videoHeight, 0,
72 gl.RGBA, gl.UNSIGNED_BYTE, null);
73 gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, videoElement);
74 } else {
75 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, videoElement);
76 }
78 var c = document.createElement("canvas");
79 c.width = 16;
80 c.height = 16;
81 c.style.border = "1px solid black";
82 var ctx = c.getContext("2d");
83 ctx.drawImage(videoElement, 0, 0, 16, 16);
84 document.body.appendChild(c);
86 // Point the uniform sampler to texture unit 0
87 gl.uniform1i(textureLoc, 0);
88 // Draw the triangles
89 wtu.drawQuad(gl, [0, 0, 0, 255]);
90 // Check a few pixels near the top and bottom and make sure they have
91 // the right color.
92 debug("Checking lower left corner");
93 wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor,
94 "shouldBe " + bottomColor);
95 debug("Checking upper left corner");
96 wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor,
97 "shouldBe " + topColor);
98 }
100 function runTest(videoElement)
101 {
102 var red = [255, 0, 0];
103 var green = [0, 255, 0];
104 runOneIteration(videoElement, false, true, red, green);
105 runOneIteration(videoElement, false, false, green, red);
106 runOneIteration(videoElement, true, true, red, green);
107 runOneIteration(videoElement, true, false, green, red);
109 glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
110 videoElement.removeEventListener("playing", runTest);
111 finishTest();
112 }
113 </script>
114 </head>
115 <body onload="init()">
116 <canvas id="example" width="32px" height="32px"></canvas>
117 <div id="description"></div>
118 <div id="console"></div>
119 <video width="640" height="228" id="vid" controls>
120 <source src="../resources/red-green.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"' />
121 <source src="../resources/red-green.webmvp8.webm" type='video/webm; codecs="vp8, vorbis"' />
122 <source src="../resources/red-green.theora.ogv" type='video/ogg; codecs="theora, vorbis"' />
123 </video>
124 </body>
125 </html>
