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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>WebGL Delayed Drawing 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="4" height="4" style="width: 40px; height: 30px;"></c
anvas> |
| 18 <div id="description"></div> |
| 19 <div id="console"></div> |
| 20 <script> |
| 21 description(document.title); |
| 22 var wtu = WebGLTestUtils; |
| 23 var canvas = document.getElementById("example"); |
| 24 var gl = wtu.create3DContext(canvas); |
| 25 var program = wtu.setupTexturedQuad(gl); |
| 26 |
| 27 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| 28 |
| 29 var tex = gl.createTexture(); |
| 30 wtu.fillTexture(gl, tex, 5, 3, [0, 192, 128, 255]); |
| 31 |
| 32 var loc = gl.getUniformLocation(program, "tex"); |
| 33 gl.uniform1i(loc, 0); |
| 34 |
| 35 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); |
| 36 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); |
| 37 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); |
| 38 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); |
| 39 |
| 40 |
| 41 drawAndCheck(); |
| 42 |
| 43 setTimeout(step2, 1000); |
| 44 |
| 45 function step2() { |
| 46 drawAndCheck(); |
| 47 finishTest(); |
| 48 } |
| 49 |
| 50 function drawAndCheck() { |
| 51 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors before drawing."); |
| 52 wtu.drawQuad(gl); |
| 53 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from drawing."); |
| 54 wtu.checkCanvas( |
| 55 gl, [0, 192, 128, 255], |
| 56 "draw should be 0, 192, 128, 255"); |
| 57 } |
| 58 |
| 59 successfullyParsed = true; |
| 60 </script> |
| 61 </body> |
| 62 </html> |
| 63 |
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