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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 the minimum number of attributes are supported.</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 id="vshader" type="x-shader/x-vertex"> | |
| 21 attribute vec4 vPosition; | |
| 22 attribute vec4 v0; | |
| 23 attribute vec4 v1; | |
| 24 attribute vec4 v2; | |
| 25 attribute vec4 v3; | |
| 26 attribute vec4 v4; | |
| 27 attribute vec4 v5; | |
| 28 attribute vec4 v6; | |
| 29 varying vec4 color; | |
| 30 void main() | |
| 31 { | |
| 32 gl_Position = vPosition; | |
| 33 color = v0 + v1 + v2 + v3 + v4 + v5 + v6; | |
| 34 } | |
| 35 </script> | |
| 36 | |
| 37 <script id="fshader" type="x-shader/x-fragment"> | |
| 38 precision mediump float; | |
| 39 varying vec4 color; | |
| 40 void main() | |
| 41 { | |
| 42 gl_FragColor = color; | |
| 43 } | |
| 44 </script> | |
| 45 <script> | |
| 46 var wtu = WebGLTestUtils; | |
| 47 var canvas = document.getElementById("example"); | |
| 48 var gl = wtu.create3DContext(canvas); | |
| 49 var program = wtu.setupTexturedQuad(gl); | |
| 50 | |
| 51 var program = wtu.setupProgram( | |
| 52 gl, | |
| 53 [wtu.loadShaderFromScript(gl, 'vshader', gl.VERTEX_SHADER), | |
| 54 wtu.loadShaderFromScript(gl, 'fshader', gl.FRAGMENT_SHADER)], | |
| 55 ['vPosition', 'v0', 'v1', 'v2', 'v3', 'v4', 'v5', 'v6'], | |
| 56 [0, 1, 2, 3, 4, 5, 6, 7]); | |
| 57 | |
| 58 for (var ii = 0; ii < 7; ++ii) { | |
| 59 var v = (ii + 1) / 28; | |
| 60 var vertexObject = gl.createBuffer(); | |
| 61 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); | |
| 62 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ | |
| 63 v, v/2, v/4, v/8, | |
| 64 v, v/2, v/4, v/8, | |
| 65 v, v/2, v/4, v/8, | |
| 66 v, v/2, v/4, v/8, | |
| 67 v, v/2, v/4, v/8, | |
| 68 v, v/2, v/4, v/8]), gl.STATIC_DRAW); | |
| 69 gl.enableVertexAttribArray(ii + 1); | |
| 70 gl.vertexAttribPointer(ii + 1, 4, gl.FLOAT, false, 0, 0); | |
| 71 } | |
| 72 | |
| 73 wtu.drawQuad(gl); | |
| 74 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 75 wtu.checkCanvasRect(gl, 0, 0, canvas.width, canvas.height, [255, 127, 64, 32], "
Should render 255,127,64,32 (+/-1)", 1); | |
| 76 | |
| 77 successfullyParsed = true; | |
| 78 | |
| 79 </script> | |
| 80 </body> | |
| 81 <script src="../resources/js-test-post.js"></script> | |
| 82 | |
| 83 </body> | |
| 84 </html> | |
| 85 | |
| 86 | |
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Chromium Code Reviews
Issue 8344024:
Remove older revision of webgl conformance tests. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/