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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>gl-fragcoord 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="32" height="32"> | |
| 18 </canvas> | |
| 19 <div id="description"></div> | |
| 20 <div id="console"></div> | |
| 21 <script id="vshader" type="x-shader/x-vertex"> | |
| 22 attribute vec4 vPosition; | |
| 23 void main() | |
| 24 { | |
| 25 gl_Position = vPosition; | |
| 26 } | |
| 27 </script> | |
| 28 | |
| 29 <script id="fshader" type="x-shader/x-fragment"> | |
| 30 precision mediump float; | |
| 31 void main() | |
| 32 { | |
| 33 gl_FragColor = vec4( | |
| 34 floor(gl_FragCoord.x * 4.0 / 32.0) / 4.0, | |
| 35 floor(gl_FragCoord.y * 4.0 / 32.0) / 4.0, | |
| 36 floor(gl_FragCoord.z * 4.0) / 4.0, | |
| 37 1); | |
| 38 } | |
| 39 </script> | |
| 40 | |
| 41 <script> | |
| 42 function init() | |
| 43 { | |
| 44 if (window.initNonKhronosFramework) { | |
| 45 window.initNonKhronosFramework(false); | |
| 46 } | |
| 47 | |
| 48 wtu = WebGLTestUtils; | |
| 49 gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0,
1 ], 1); | |
| 50 | |
| 51 var vertexObject = gl.createBuffer(); | |
| 52 gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); | |
| 53 gl.bufferData(gl.ARRAY_BUFFER, new Float32Array( | |
| 54 [-1, -1, -1, 1, -1, 0, -1, 1, 0, | |
| 55 -1, 1, 0, 1, -1, 0, 1, 1, 1]), | |
| 56 gl.STATIC_DRAW); | |
| 57 gl.enableVertexAttribArray(0); | |
| 58 gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); | |
| 59 | |
| 60 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
| 61 gl.drawArrays(gl.TRIANGLES, 0, 6); | |
| 62 wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no errors from draw"); | |
| 63 | |
| 64 for (var xx = 0; xx < 32; xx += 4) { | |
| 65 for (var yy = 0; yy < 32; yy += 4) { | |
| 66 var zz = (xx / 64) + (yy / 64); | |
| 67 var color = [ | |
| 68 Math.floor(Math.floor(xx * 4.0 / 32.0) / 4 * 256), | |
| 69 Math.floor(Math.floor(yy * 4.0 / 32.0) / 4 * 256), | |
| 70 Math.floor(Math.floor(zz * 4.0) / 4 * 256) | |
| 71 ]; | |
| 72 var msg = "should be " + color; | |
| 73 wtu.checkCanvasRect( | |
| 74 gl, xx, yy, 1, 1, color, msg, 4); | |
| 75 } | |
| 76 } | |
| 77 } | |
| 78 | |
| 79 init(); | |
| 80 successfullyParsed = true; | |
| 81 </script> | |
| 82 <script src="../../../resources/js-test-post.js"></script> | |
| 83 | |
| 84 </body> | |
| 85 </html> | |
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Chromium Code Reviews
Issue 9360034:
Remove everthing except conformance tests in the deps/third_party/webgl (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/