gecko/content/canvas/test/webgl/conformance/gl-enable-vertex-attrib.html
2010-06-04 12:03:40 -07:00

61 lines
1.5 KiB
HTML

<!--
// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-->
<!DOCTYPE html>
<html>
<head>
<title>WebGL Enable Vertex Attrib Test</title>
<link rel="stylesheet" href="../resources/js-test-style.css"/>
<script src="../resources/js-test-pre.js"></script>
<script src="resources/webgl-test.js"> </script>
</head>
<body>
<canvas id="example" width="50" height="50">
</canvas>
<div id="description"></div>
<div id="console"></div>
<script id="vshader" type="x-shader/x-vertex">
attribute vec4 vPosition;
void main()
{
gl_Position = vPosition;
}
</script>
<script id="fshader" type="x-shader/x-fragment">
void main()
{
gl_FragColor = vec4(1.0,0.0,0.0,1.0);
}
</script>
<script>
gl = initWebGL("example", "vshader", "fshader", [ "vPosition"], [ 0, 0, 0, 1 ], 1);
gl.viewport(0, 0, 50, 50);
var vertexObject = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
gl.bufferData(gl.ARRAY_BUFFER, new WebGLFloatArray([ 0,0.5,0, -0.5,-0.5,0, 0.5,-0.5,0 ]), gl.STATIC_DRAW);
gl.enableVertexAttribArray(0);
gl.vertexAttribPointer(0, 3, gl.FLOAT, false, 0, 0);
gl.enableVertexAttribArray(3);
shouldBe("gl.getError()", "gl.NO_ERROR");
gl.drawArrays(gl.TRIANGLES, 0, 3);
shouldBe("gl.getError()", "gl.INVALID_OPERATION");
successfullyParsed = true;
</script>
</body>
<script src="../resources/js-test-post.js"></script>
<script>
</script>
</body>
</html>