texture-allocation-stress-test.html

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Copyright (c) 2019 The Khronos Group Inc.

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<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8">

<title>Tests that resources allocated by a WebGL context are freed in a reasonable timeframe.</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>

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<body>

<div id="description"></div>

<div id="console"></div>

<canvas id="canvas" width="32" height="32">

</canvas>

<script>

"use strict";

description();

debug("Creates a WebGL context and textures consuming ~80 MB of video memory, then reloads the page and does it over again.")

debug("GPU memory usage should be capped. It should not grow unboundedly.")

var wtu = WebGLTestUtils;

var gl = wtu.create3DContext(document.getElementById("canvas"));

var textures = [];

for (var ii = 0; ii < 20; ++ii) {

    var tex = gl.createTexture();

    gl.bindTexture(gl.TEXTURE_2D, tex);

    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 1024, 1024, 0, gl.RGBA, gl.UNSIGNED_BYTE,

                  null);

    textures.push(tex);

setTimeout(function() { debug("Reloading..."); window.location.reload(); }, 500);

var successfullyParsed = true;

</script>

</body>

</html>