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1 <!-- | |
2 Copyright (c) 2009 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 PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" | |
7 "http://www.w3.org/TR/html4/loose.dtd"> | |
8 <html> | |
9 <head> | |
10 <title>WebGL clear 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="1" height="1" style="width: 256px; height: 48px;"></
canvas> | |
18 <div id="description"></div><div id="console"></div> | |
19 <script> | |
20 description("Test clear."); | |
21 var wtu = WebGLTestUtils; | |
22 var canvas = document.getElementById("example"); | |
23 var gl = wtu.create3DContext(canvas); | |
24 var program = wtu.setupTexturedQuad(gl); | |
25 | |
26 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
27 wtu.checkCanvas(gl, [0,0,0,0], "should be 0,0,0,0"); | |
28 | |
29 gl.clearColor(1,1,1,1); | |
30 gl.clear(gl.COLOR_BUFFER_BIT); | |
31 wtu.checkCanvas(gl, [255,255,255,255], "should be 255,255,255,255"); | |
32 | |
33 gl.clearColor(0,0,0,0); | |
34 gl.clear(gl.COLOR_BUFFER_BIT); | |
35 wtu.checkCanvas(gl, [0,0,0,0], "should be 0,0,0,0"); | |
36 | |
37 gl.colorMask(false, false, false, true); | |
38 gl.clearColor(1,1,1,1); | |
39 gl.clear(gl.COLOR_BUFFER_BIT); | |
40 wtu.checkCanvas(gl, [0,0,0,255], "should be 0,0,0,255"); | |
41 | |
42 var tex = gl.createTexture(); | |
43 gl.bindTexture(gl.TEXTURE_2D, tex); | |
44 gl.texImage2D( | |
45 gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, | |
46 new Uint8Array([128, 128, 128, 192])); | |
47 | |
48 gl.disable(gl.DEPTH_TEST); | |
49 gl.disable(gl.BLEND); | |
50 gl.colorMask(true, true, true, true); | |
51 gl.drawArrays(gl.TRIANGLES, 0, 6); | |
52 wtu.checkCanvas(gl, [128,128,128,192], "should be 128,128,128,192"); | |
53 | |
54 gl.colorMask(false, false, false, true); | |
55 gl.clearColor(1,1,1,1); | |
56 gl.clear(gl.COLOR_BUFFER_BIT); | |
57 wtu.checkCanvas(gl, [128,128,128,255], "should be 128,128,128,255"); | |
58 | |
59 // TODO: Test depth and stencil clearing. | |
60 | |
61 debug(""); | |
62 successfullyParsed = true; | |
63 </script> | |
64 <script src="../resources/js-test-post.js"></script> | |
65 </body> | |
66 </html> | |
67 | |
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