The Tor Browser: content/canvas/test/webgl-conformance/conformance/textures/texture-complete.html@ca08bd8f51b2

     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 <title>WebGL "Texture Complete" texture conformance test.</title>

    11 <link rel="stylesheet" href="../../resources/js-test-style.css"/>

    12 <script src="../../resources/js-test-pre.js"></script>

    13 <script src="../resources/webgl-test.js"> </script>

    14 <script src="../resources/webgl-test-utils.js"></script>

    15 </head>

    16 <body>

    17 <canvas id="example" width="40" height="40" style="width: 40px; height: 40px;"></canvas>

    18 <canvas id="canvas2d" width="16" height="16" style="width: 40px; height: 40px;"></canvas>

    19 <div id="description"></div>

    20 <div id="console"></div>

    21 <script>

    22 function init()

    23 {

    24   if (window.initNonKhronosFramework) {

    25     window.initNonKhronosFramework(false);

    26   }

    28   description(

    29       "Checks that a texture that is not -texture-complete- does not draw if"+

    30       " filtering needs mips");

    32   var canvas2d = document.getElementById("canvas2d");

    33   var ctx2d = canvas2d.getContext("2d");

    34   ctx2d.fillStyle = "rgba(0,192,128,1)";

    35   ctx2d.fillRect(0, 0, 16, 16);

    37   var wtu = WebGLTestUtils;

    38   var canvas = document.getElementById("example");

    39   gl = wtu.create3DContext(canvas);

    40   var program = wtu.setupTexturedQuad(gl);

    42   gl.disable(gl.DEPTH_TEST);

    43   gl.disable(gl.BLEND);

    45   var tex = gl.createTexture();

    46   gl.bindTexture(gl.TEXTURE_2D, tex);

    47   // 16x16 texture no mips

    48   gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, canvas2d);

    50   var loc = gl.getUniformLocation(program, "tex");

    51   gl.uniform1i(loc, 0);

    53   wtu.drawQuad(gl);

    54   wtu.checkCanvas(gl, [0,0,0,255],

    55       "texture that is not -texture-complete- when " +

    56       "TEXTURE_MIN_FILTER not NEAREST or LINEAR should draw with 0,0,0,255");

    57 }

    59 init();

    60 successfullyParsed = true;

    61 </script>

    63 <script>finishTest();</script>

    65 </body>

    66 </html>

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