content/canvas/test/webgl-conformance/conformance/attribs/gl-enable-vertex-attrib.html@8bccb770b82d (annotated)
content/canvas/test/webgl-conformance/conformance/attribs/gl-enable-vertex-attrib.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 Enable Vertex Attrib Test</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 | </head> |
| michael@0 | 15 | <body> |
| michael@0 | 16 | <canvas id="example" width="50" height="50"> |
| michael@0 | 17 | </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 | void main() |
| michael@0 | 23 | { |
| michael@0 | 24 | gl_Position = vPosition; |
| michael@0 | 25 | } |
| michael@0 | 26 | </script> |
| michael@0 | 27 | |
| michael@0 | 28 | <script id="fshader" type="x-shader/x-fragment"> |
| michael@0 | 29 | void main() |
| michael@0 | 30 | { |
| michael@0 | 31 | gl_FragColor = vec4(1.0,0.0,0.0,1.0); |
| michael@0 | 32 | } |
| michael@0 | 33 | </script> |
| michael@0 | 34 | |
| michael@0 | 35 | <script> |
| michael@0 | 36 | description("tests that turning on attribs that have no buffer bound fails to draw"); |
| michael@0 | 37 | gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1); |
| michael@0 | 38 | |
| michael@0 | 39 | var vertexObject = gl.createBuffer(); |
| michael@0 | 40 | gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject); |
| michael@0 | 41 | gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW); |
| michael@0 | 42 | gl.enableVertexAttribArray(0); |
| michael@0 | 43 | gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0); |
| michael@0 | 44 | |
| michael@0 | 45 | gl.enableVertexAttribArray(3); |
| michael@0 | 46 | glErrorShouldBe(gl, gl.NO_ERROR); |
| michael@0 | 47 | |
| michael@0 | 48 | gl.drawArrays(gl.TRIANGLES, 0, 3); |
| michael@0 | 49 | glErrorShouldBe(gl, gl.INVALID_OPERATION); |
| michael@0 | 50 | |
| michael@0 | 51 | successfullyParsed = true; |
| michael@0 | 52 | </script> |
| michael@0 | 53 | <script>finishTest();</script> |
| michael@0 | 54 | |
| michael@0 | 55 | </body> |
| michael@0 | 56 | </html> |
| michael@0 | 57 |
