content/canvas/test/webgl-conformance/conformance/limits/gl-min-attribs.html@8bccb770b82d (annotated)
content/canvas/test/webgl-conformance/conformance/limits/gl-min-attribs.html
Wed, 31 Dec 2014 13:27:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 13:27:57 +0100
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
- permissions
- -rw-r--r--
Ignore runtime configuration files generated during quality assurance.
| michael@0 | 1 | <!-- |
| michael@0 | 2 | Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| michael@0 | 3 | Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 4 | found in the LICENSE file. |
| michael@0 | 5 | --> |
| michael@0 | 6 | <!DOCTYPE html> |
| michael@0 | 7 | <html> |
| michael@0 | 8 | <head> |
| michael@0 | 9 | <meta charset="utf-8"> |
| michael@0 | 10 | <title>WebGL the minimum number of attributes are supported.</title> |
| michael@0 | 11 | <link rel="stylesheet" href="../../resources/js-test-style.css"/> |
| michael@0 | 12 | <script src="../../resources/js-test-pre.js"></script> |
| michael@0 | 13 | <script src="../resources/webgl-test.js"> </script> |
| michael@0 | 14 | <script src="../resources/webgl-test-utils.js"> </script> |
| michael@0 | 15 | </head> |
| michael@0 | 16 | <body> |
| michael@0 | 17 | <canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></canvas> |
| michael@0 | 18 | <div id="description"></div> |
| michael@0 | 19 | <div id="console"></div> |
| michael@0 | 20 | <script id="vshader" type="x-shader/x-vertex"> |
| michael@0 | 21 | attribute vec4 vPosition; |
| michael@0 | 22 | attribute vec4 v0; |
| michael@0 | 23 | attribute vec4 v1; |
| michael@0 | 24 | attribute vec4 v2; |
| michael@0 | 25 | attribute vec4 v3; |
| michael@0 | 26 | attribute vec4 v4; |
| michael@0 | 27 | attribute vec4 v5; |
| michael@0 | 28 | attribute vec4 v6; |
| michael@0 | 29 | varying vec4 color; |
| michael@0 | 30 | void main() |
| michael@0 | 31 | { |
| michael@0 | 32 | gl_Position = vPosition; |
| michael@0 | 33 | color = v0 + v1 + v2 + v3 + v4 + v5 + v6; |
| michael@0 | 34 | } |
| michael@0 | 35 | </script> |
| michael@0 | 36 | |
| michael@0 | 37 | <script id="fshader" type="x-shader/x-fragment"> |
| michael@0 | 38 | precision mediump float; |
| michael@0 | 39 | varying vec4 color; |
| michael@0 | 40 | void main() |
| michael@0 | 41 | { |
| michael@0 | 42 | gl_FragColor = color; |
| michael@0 | 43 | } |
| michael@0 | 44 | </script> |
| michael@0 | 45 | <script> |
| michael@0 | 46 | description(document.title); |
| michael@0 | 47 | var wtu = WebGLTestUtils; |
| michael@0 | 48 | var gl = wtu.create3DContext("example"); |
| michael@0 | 49 | var program = wtu.setupTexturedQuad(gl); |
| michael@0 | 50 | |
| michael@0 | 51 | var program = wtu.setupProgram( |
| michael@0 | 52 | gl, |
| michael@0 | 53 | ['vshader', 'fshader'], |
| michael@0 | 54 | ['vPosition', 'v0', 'v1', 'v2', 'v3', 'v4', 'v5', 'v6'], |
| michael@0 | 55 | [0, 1, 2, 3, 4, 5, 6, 7]); |
| michael@0 | 56 | |
| michael@0 | 57 | for (var ii = 0; ii < 7; ++ii) { |
| michael@0 | 58 | var v = (ii + 1) / 28; |
| michael@0 | 59 | var vertexObject = gl.createBuffer(); |
| michael@0 | 60 | gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); |
| michael@0 | 61 | gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ |
| michael@0 | 62 | v, v/2, v/4, v/8, |
| michael@0 | 63 | v, v/2, v/4, v/8, |
| michael@0 | 64 | v, v/2, v/4, v/8, |
| michael@0 | 65 | v, v/2, v/4, v/8, |
| michael@0 | 66 | v, v/2, v/4, v/8, |
| michael@0 | 67 | v, v/2, v/4, v/8]), gl.STATIC_DRAW); |
| michael@0 | 68 | gl.enableVertexAttribArray(ii + 1); |
| michael@0 | 69 | gl.vertexAttribPointer(ii + 1, 4, gl.FLOAT, false, 0, 0); |
| michael@0 | 70 | } |
| michael@0 | 71 | |
| michael@0 | 72 | wtu.drawQuad(gl); |
| michael@0 | 73 | glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); |
| michael@0 | 74 | wtu.checkCanvasRect(gl, 0, 0, gl.canvas.width, gl.canvas.height, [255, 127, 64, 32], "Should render 255,127,64,32 (+/-1)", 1); |
| michael@0 | 75 | |
| michael@0 | 76 | successfullyParsed = true; |
| michael@0 | 77 | |
| michael@0 | 78 | </script> |
| michael@0 | 79 | </body> |
| michael@0 | 80 | <script>finishTest();</script> |
| michael@0 | 81 | |
| michael@0 | 82 | </body> |
| michael@0 | 83 | </html> |
| michael@0 | 84 | |
| michael@0 | 85 |
