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

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

content/canvas/test/webgl-conformance/conformance/textures/tex-image-and-sub-image-2d-with-image-data.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;
 var imageData = null;
 function init()
 {
     if (window.initNonKhronosFramework) {
         window.initNonKhronosFramework(true);
     }
     description('Verify texImage2D and texSubImage2D code paths taking ImageData');
     var canvas2d = document.getElementById("texcanvas");
     var context2d = canvas2d.getContext("2d");
     imageData = context2d.createImageData(1, 2);
     var data = imageData.data;
     data[0] = 255;
     data[1] = 0;
     data[2] = 0;
     data[3] = 255;
     data[4] = 0;
     data[5] = 255;
     data[6] = 0;
     data[7] = 0;
     wtu = WebGLTestUtils;
     var canvas = document.getElementById("example");
     gl = wtu.create3DContext(canvas);
     var program = wtu.setupTexturedQuad(gl);
     gl.clearColor(0,0,0,1);
     gl.clearDepth(1);
     gl.disable(gl.BLEND);
     textureLoc = gl.getUniformLocation(program, "tex");
     runTest();
 }
 // These two declarations need to be global for "shouldBe" to see them
 var buf = null;
 var idx = 0;
 var pixel = [0, 0, 0, 1];
 var correctColor = null;
 function runOneIteration(useTexSubImage2D, flipY, premultiplyAlpha, topColor, bottomColor)
 {
     debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +
           ' with flipY=' + flipY + ' and premultiplyAlpha=' + premultiplyAlpha);
     gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
     // Enable writes to the RGBA channels
     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, premultiplyAlpha);
     // Upload the image into the texture
     if (useTexSubImage2D) {
         // Initialize the texture to black first
         gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1, 2, 0,
                       gl.RGBA, gl.UNSIGNED_BYTE, null);
         gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, imageData);
     } else {
         gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, imageData);
     }
     // Point the uniform sampler to texture unit 0
     gl.uniform1i(textureLoc, 0);
     // Draw the triangles
     wtu.drawQuad(gl, [0, 0, 0, 255]);
     // Read back the rendering results
     buf = new Uint8Array(1 * 2 * 4);
     gl.readPixels(0, 0, 1, 2, gl.RGBA, gl.UNSIGNED_BYTE, buf);
     // Check the top pixel and bottom pixel and make sure they have
     // the right color.
     debug("Checking bottom pixel");
     wtu.checkCanvasRect(gl, 0, 0, 1, 1, bottomColor, "shouldBe " + bottomColor);
     debug("Checking top pixel");
     wtu.checkCanvasRect(gl, 0, 1, 1, 1, topColor, "shouldBe " + topColor);
 }
 function runTest()
 {
     var red = [255, 0, 0, 255];
     var green = [0, 255, 0, 255];
     var redPremultiplyAlpha = [255, 0, 0, 255];
     var greenPremultiplyAlpha = [0, 0, 0, 255];
     runOneIteration(false, true, false,
                     red, green);
     runOneIteration(false, false, false,
                     green, red);
     runOneIteration(false, true, true,
                     redPremultiplyAlpha, greenPremultiplyAlpha);
     runOneIteration(false, false, true,
                     greenPremultiplyAlpha, redPremultiplyAlpha);
     runOneIteration(true, true, false,
                     red, green);
     runOneIteration(true, false, false,
                     green, red);
     runOneIteration(true, true, true,
                     redPremultiplyAlpha, greenPremultiplyAlpha);
     runOneIteration(true, false, true,
                     greenPremultiplyAlpha, redPremultiplyAlpha);
     glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
     finishTest();
 }
 </script>
 </head>
 <body onload="init()">
 <canvas id="texcanvas" width="1px" height="2px"></canvas>
 <canvas id="example" width="1px" height="2px"></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-data.html@deefc01c0e14 (annotated)

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