2010-06-04 12:03:40 -07:00
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<!--
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Copyright (c) 2009 The Chromium Authors. All rights reserved.
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Use of this source code is governed by a BSD-style license that can be
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found in the LICENSE file.
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-->
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
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"http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<title>WebGL vertexAttribPointer Conformance Tests</title>
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<link rel="stylesheet" href="../resources/js-test-style.css"/>
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<script src="../resources/desktop-gl-constants.js" type="text/javascript"></script>
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<script src="../resources/js-test-pre.js"></script>
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<script src="resources/webgl-test.js"></script>
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</head>
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<body>
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<div id="description"></div>
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<div id="console"></div>
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<canvas id="canvas" width="2" height="2"> </canvas>
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<script>
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2010-11-16 20:33:04 -08:00
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description("This test checks vertexAttribPointer behaviors in WebGL.");
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2010-06-04 12:03:40 -07:00
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debug("");
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debug("Canvas.getContext");
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var gl = create3DContext(document.getElementById("canvas"));
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if (!gl) {
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testFailed("context does not exist");
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} else {
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testPassed("context exists");
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debug("");
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debug("Checking gl.vertexAttribPointer.");
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gl.vertexAttribPointer(0, 3, gl.FLOAT, 0, 0, 12);
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2010-08-25 16:09:26 -07:00
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glErrorShouldBe(gl, gl.INVALID_OPERATION,
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"vertexAttribPointer should fail if no buffer is bound");
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2010-11-16 20:33:04 -08:00
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var vertexObject = gl.createBuffer();
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gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
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gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(512), gl.STATIC_DRAW);
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gl.vertexAttribPointer(0, 1, gl.FLOAT, 0, 256, 0);
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glErrorShouldBe(gl, gl.INVALID_VALUE,
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"WebGL API supports vertex attribute data strides up to 255 bytes");
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gl.vertexAttribPointer(0, 1, gl.FLOAT, 0, 255, 0);
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glErrorShouldBe(gl, gl.NO_ERROR,
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"vertexAttribPointer with stride <= 255 should succeed");
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2010-06-04 12:03:40 -07:00
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}
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debug("");
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successfullyParsed = true;
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</script>
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<script src="../resources/js-test-post.js"></script>
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<script>
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</script>
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</body>
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</html>
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