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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">
<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>
<div id="description"></div>
<div id="console"></div>
<script>
"use strict";
description("Test ARRAY_BUFFER deletion when a vertex attrib array with location != 0 is pointing to it and preserveDrawingBuffer is true.");
var canvas = document.createElement('canvas');
document.body.appendChild(canvas);
canvas.addEventListener(
"webglcontextlost",
function(event) {
testFailed("Context lost");
event.preventDefault();
},
false);
var wtu = WebGLTestUtils;
var gl = wtu.create3DContext(canvas, {preserveDrawingBuffer: true});
if (!gl) {
testFailed("context does not exist");
finishTest();
} else {
var array = new Float32Array([0]);
var buf = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, buf);
gl.bufferData(gl.ARRAY_BUFFER, array, gl.STATIC_DRAW);
wtu.glErrorShouldBe(gl, gl.NO_ERROR);
var attribLocation = 1;
gl.enableVertexAttribArray(attribLocation);
gl.vertexAttribPointer(attribLocation, 1, gl.FLOAT, false, 0, 0);
gl.deleteBuffer(buf);
setTimeout(function() {
// Wait for possible context loss
finishTest();
}, 2000);
}
var successfullyParsed = true;
</script>
</body>
</html>
|
