The Tor Browser: content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-video.html@deefc01c0e14 (annotated)

content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-video.html@deefc01c0e14 (annotated)

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.)

 <!--
 Copyright (c) 2011 The Chromium Authors. All rights reserved.
 Use of this source code is governed by a BSD-style license that can be
 found in the LICENSE file.
  -->
 <!DOCTYPE html>
 <html>
 <head>
 <meta charset="utf-8">
 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
 <script src="../../resources/js-test-pre.js"></script>
 <script src="../resources/webgl-test.js"></script>
 <script src="../resources/webgl-test-utils.js"></script>
 <script>
 var wtu = WebGLTestUtils;
 var gl = null;
 var textureLoc = null;
 var successfullyParsed = false;
 if (window.initNonKhronosFramework) {
     window.initNonKhronosFramework(true);
 }
 function init()
 {
     description('Verify texImage2D and texSubImage2D code paths taking Video Elements');
     gl = wtu.create3DContext("example");
     var program = wtu.setupTexturedQuad(gl);
     gl.clearColor(0,0,0,1);
     gl.clearDepth(1);
     textureLoc = gl.getUniformLocation(program, "tex");
     var video = document.getElementById("vid");
     video.addEventListener(
         "playing", function() { runTest(video); }, true);
     video.loop = true;
     video.play();
 }
 // These two declarations need to be global for "shouldBe" to see them
 var buf = null;
 var idx = 0;
 var pixel = [0, 0, 0];
 var correctColor = null;
 function runOneIteration(videoElement, useTexSubImage2D, flipY, topColor, bottomColor)
 {
     debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +
           ' with flipY=' + flipY);
     gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
     // Disable any writes to the alpha channel
     gl.colorMask(1, 1, 1, 0);
     var texture = gl.createTexture();
     // Bind the texture to texture unit 0
     gl.bindTexture(gl.TEXTURE_2D, texture);
     // Set up texture parameters
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
     gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
     // Set up pixel store parameters
     gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
     gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
     // Upload the videoElement into the texture
     if (useTexSubImage2D) {
         // Initialize the texture to black first
         gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA,
                       videoElement.videoWidth, videoElement.videoHeight, 0,
                       gl.RGBA, gl.UNSIGNED_BYTE, null);
         gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, videoElement);
     } else {
         gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, videoElement);
     }
     var c = document.createElement("canvas");
     c.width = 16;
     c.height = 16;
     c.style.border = "1px solid black";
     var ctx = c.getContext("2d");
     ctx.drawImage(videoElement, 0, 0, 16, 16);
     document.body.appendChild(c);
     // Point the uniform sampler to texture unit 0
     gl.uniform1i(textureLoc, 0);
     // Draw the triangles
     wtu.drawQuad(gl, [0, 0, 0, 255]);
     // Check a few pixels near the top and bottom and make sure they have
     // the right color.
     debug("Checking lower left corner");
     wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor,
                         "shouldBe " + bottomColor);
     debug("Checking upper left corner");
     wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor,
                         "shouldBe " + topColor);
 }
 function runTest(videoElement)
 {
     var red = [255, 0, 0];
     var green = [0, 255, 0];
     runOneIteration(videoElement, false, true, red, green);
     runOneIteration(videoElement, false, false, green, red);
     runOneIteration(videoElement, true, true, red, green);
     runOneIteration(videoElement, true, false, green, red);
     glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
     videoElement.removeEventListener("playing", runTest);
     finishTest();
 }
 </script>
 </head>
 <body onload="init()">
 <canvas id="example" width="32px" height="32px"></canvas>
 <div id="description"></div>
 <div id="console"></div>
 <video width="640" height="228" id="vid" controls>
   <source src="../resources/red-green.mp4"  type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"' />
   <source src="../resources/red-green.webmvp8.webm" type='video/webm; codecs="vp8, vorbis"' />
   <source src="../resources/red-green.theora.ogv"  type='video/ogg; codecs="theora, vorbis"' />
 </video>
 </body>
 </html>

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content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-video.html@deefc01c0e14 (annotated)

content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-video.html