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| 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>Zero Size Canvas 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 <div id="description"></div> | |
| 18 <div id="console"></div> | |
| 19 <script> | |
| 20 description("Tests that a zero size canvas does not fail."); | |
| 21 var wtu = WebGLTestUtils; | |
| 22 var canvas = document.createElement('canvas'); | |
| 23 var gl = wtu.create3DContext(canvas); | |
| 24 canvas.width = 0; | |
| 25 canvas.height = 0; | |
| 26 gl.viewport(0, 0, 0, 0); | |
| 27 var program = wtu.setupTexturedQuad(gl); | |
| 28 shouldBeTrue("program != null"); | |
| 29 var tex = gl.createTexture(); | |
| 30 gl.bindTexture(gl.TEXTURE_2D, tex); | |
| 31 var pixel = new Uint8Array([0, 255, 0, 255]); | |
| 32 gl.texImage2D( | |
| 33 gl.TEXTURE_2D, 0, gl.RGBA, 1, 1, 0, gl.RGBA, gl.UNSIGNED_BYTE, pixel); | |
| 34 wtu.drawQuad(gl); | |
| 35 | |
| 36 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 37 successfullyParsed = true; | |
| 38 </script> | |
| 39 <script src="../resources/js-test-post.js"></script> | |
| 40 | |
| 41 </body> | |
| 42 </html> | |
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