1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/content/canvas/test/webgl-conformance/conformance/attribs/gl-enable-vertex-attrib.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,57 @@
1.4 +<!--
1.5 +// Copyright (c) 2011 The Chromium Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +-->
1.9 +<!DOCTYPE html>
1.10 +<html>
1.11 + <head>
1.12 +<meta charset="utf-8">
1.13 + <title>WebGL Enable Vertex Attrib Test</title>
1.14 + <link rel="stylesheet" href="../../resources/js-test-style.css"/>
1.15 + <script src="../../resources/js-test-pre.js"></script>
1.16 + <script src="../resources/webgl-test.js"> </script>
1.17 +</head>
1.18 +<body>
1.19 +<canvas id="example" width="50" height="50">
1.20 +</canvas>
1.21 +<div id="description"></div>
1.22 +<div id="console"></div>
1.23 +<script id="vshader" type="x-shader/x-vertex">
1.24 + attribute vec4 vPosition;
1.25 + void main()
1.26 + {
1.27 + gl_Position = vPosition;
1.28 + }
1.29 +</script>
1.30 +
1.31 +<script id="fshader" type="x-shader/x-fragment">
1.32 + void main()
1.33 + {
1.34 + gl_FragColor = vec4(1.0,0.0,0.0,1.0);
1.35 + }
1.36 +</script>
1.37 +
1.38 +<script>
1.39 +description("tests that turning on attribs that have no buffer bound fails to draw");
1.40 +gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1);
1.41 +
1.42 +var vertexObject = gl.createBuffer();
1.43 +gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
1.44 +gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW);
1.45 +gl.enableVertexAttribArray(0);
1.46 +gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
1.47 +
1.48 +gl.enableVertexAttribArray(3);
1.49 +glErrorShouldBe(gl, gl.NO_ERROR);
1.50 +
1.51 +gl.drawArrays(gl.TRIANGLES, 0, 3);
1.52 +glErrorShouldBe(gl, gl.INVALID_OPERATION);
1.53 +
1.54 +successfullyParsed = true;
1.55 +</script>
1.56 +<script>finishTest();</script>
1.57 +
1.58 +</body>
1.59 +</html>
1.60 +
