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<!--
Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL BindBuffer conformance test.</title>
<link rel="stylesheet" href="../../resources/js-test-style.css"/>
<script src="../../js/js-test-pre.js"></script>
<script src="../../js/webgl-test-utils.js"> </script>
</head>
<body>
<canvas id="example" width="40" height="40" style="width: 40px; height: 40px;"></canvas>
<div id="description"></div>
<div id="console"></div>
<script>
"use strict";
description("Checks a buffer can only be bound to 1 target.");
debug("");
debug("Canvas.getContext");
var wtu = WebGLTestUtils;
var gl = wtu.create3DContext("example");
if (!gl) {
testFailed("context does not exist");
} else {
testPassed("context exists");
debug("");
var buf = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, buf);
wtu.glErrorShouldBe(gl, gl.NO_ERROR,
"should be able to bind array buffer.");
gl.bindBuffer(gl.ARRAY_BUFFER, null);
wtu.glErrorShouldBe(gl, gl.NO_ERROR,
"should be able to unbind array buffer.");
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, buf);
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION,
"should get INVALID_OPERATION if attempting to bind array buffer to different target");
var buf = gl.createBuffer();
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, buf);
wtu.glErrorShouldBe(gl, gl.NO_ERROR,
"should be able to bind element array buffer.");
gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, null);
wtu.glErrorShouldBe(gl, gl.NO_ERROR,
"should be able to unbind element array buffer.");
gl.bindBuffer(gl.ARRAY_BUFFER, buf);
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION,
"should get INVALID_OPERATION if attempting to bind element array buffer to different target");
}
debug("");
var successfullyParsed = true;
</script>
<script src="../../js/js-test-post.js"></script>
</body>
</html>
|
