4 ** Copyright (c) 2012 The Khronos Group Inc.
6 ** Permission is hereby granted, free of charge, to any person obtaining a
7 ** copy of this software and/or associated documentation files (the
8 ** "Materials"), to deal in the Materials without restriction, including
9 ** without limitation the rights to use, copy, modify, merge, publish,
10 ** distribute, sublicense, and/or sell copies of the Materials, and to
11 ** permit persons to whom the Materials are furnished to do so, subject to
12 ** the following conditions:
14 ** The above copyright notice and this permission notice shall be included
15 ** in all copies or substantial portions of the Materials.
17 ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
21 ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
31 <meta charset="utf-8">
32 <link rel="stylesheet" href="../../resources/js-test-style.css"/>
33 <script src="../../resources/js-test-pre.js"></script>
34 <script src="../resources/webgl-test-utils.js"></script>
37 <canvas id="example" width="4" height="4"></canvas>
38 <div id="description"></div>
39 <div id="console"></div>
42 description('Verifies that GL texture bindings do not change when canvas is resized');
45 var wtu = WebGLTestUtils;
46 var canvas = document.getElementById("example");
47 var gl = wtu.create3DContext(canvas);
48 var program = wtu.setupTexturedQuad(gl);
50 var green = [0, 255, 0, 255];
51 var blue = [0, 0, 255, 255];
52 var tex0 = gl.createTexture();
53 wtu.fillTexture(gl, tex0, 1, 1, blue, 0);
54 gl.activeTexture(gl.TEXTURE1)
55 var tex1 = gl.createTexture();
56 wtu.fillTexture(gl, tex1, 1, 1, green, 0);
58 var loc = gl.getUniformLocation(program, "tex");
61 gl.viewport(0, 0, canvas.width, canvas.height);
63 wtu.clearAndDrawUnitQuad(gl);
64 wtu.checkCanvas(gl, blue, "should be blue");
66 wtu.clearAndDrawUnitQuad(gl);
67 wtu.checkCanvas(gl, green, "should be green");
70 debug("test before resizing canvas");
72 debug("test after resizing canvas");
75 debug("test after resizing canvas and waiting for compositing");
77 wtu.waitForComposite(function() {
80 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors.");
83 var successfullyParsed = true;