The Tor Browser: content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-image.html@6474c204b198 (annotated)

content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-image.html@6474c204b198 (annotated)

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

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 <!--
 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;
 var imgCanvas;
 var red = [255, 0, 0];
 var green = [0, 255, 0];
 function init()
 {
     if (window.initNonKhronosFramework) {
         window.initNonKhronosFramework(true);
     }
     description('Verify texImage2D and texSubImage2D code paths taking Images');
     gl = wtu.create3DContext("example");
     var program = wtu.setupTexturedQuad(gl);
     gl.clearColor(0,0,0,1);
     gl.clearDepth(1);
     textureLoc = gl.getUniformLocation(program, "tex");
     wtu.loadTexture(gl, "../resources/red-green.png", runTest);
 }
 // 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(image, 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);
     // Set up pixel store parameters
     gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
     gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
     gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);
     // Upload the image into the texture
     if (useTexSubImage2D) {
         // Initialize the texture to black first
         gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, image.width, image.height, 0,
                       gl.RGBA, gl.UNSIGNED_BYTE, null);
         gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, image);
     } else {
         gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
     }
     // 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 runTestOnImage(image) {
     runOneIteration(image, false, true, red, green);
     runOneIteration(image, false, false, green, red);
     runOneIteration(image, true, true, red, green);
     runOneIteration(image, true, false, green, red);
 }
 function runTest(image)
 {
     runTestOnImage(image);
     imgCanvas = document.createElement("canvas");
     imgCanvas.width = 1;
     imgCanvas.height = 2;
     var imgCtx = imgCanvas.getContext("2d");
     var imgData = imgCtx.createImageData(1, 2);
     imgData.data[0] = red[0];
     imgData.data[1] = red[1];
     imgData.data[2] = red[2];
     imgData.data[3] = 255;
     imgData.data[4] = green[0];
     imgData.data[5] = green[1];
     imgData.data[6] = green[2];
     imgData.data[7] = 255;
     imgCtx.putImageData(imgData, 0, 0);
     // apparently Image is different than <img>.
     var newImage =  new Image();
     newImage.onload = function() {
         runTest2(newImage);
     };
     newImage.src = imgCanvas.toDataURL();
 }
 function runTest2(image) {
     runTestOnImage(image);
     var newImage = document.createElement("img");
     newImage.onload = function() {
         runTest3(newImage);
     };
     newImage.src = imgCanvas.toDataURL();
 }
 function runTest3(image) {
     runTestOnImage(image);
     glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
     finishTest();
 }
 </script>
 </head>
 <body onload="init()">
 <canvas id="example" width="32px" height="32px"></canvas>
 <div id="description"></div>
 <div id="console"></div>
 </body>
 </html>

The Tor Browser / annotate

content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-image.html@6474c204b198 (annotated)

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