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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/extra/out-of-vram.html | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/extra/out-of-vram.html | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/extra/out-of-vram.html b/dom/canvas/test/webgl-conf/checkout/extra/out-of-vram.html new file mode 100644 index 0000000000..02f82949f7 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/extra/out-of-vram.html @@ -0,0 +1,114 @@ +<!-- +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 Out Of VRAM 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> +<div id="description"></div> +<div id="console"></div> +<canvas id="canvas" width="2" height="2"> </canvas> +<script> +"use strict"; +debug("This tests WebGL running out of vram."); + +debug(""); +debug("Canvas.getContext"); + +var wtu = WebGLTestUtils; +var canvas = document.getElementById("canvas"); +try { + var gl = wtu.create3DContext(canvas); +} catch(e) { +} +if (!gl) { + testFailed("could not create context"); +} else { + testPassed("context exists"); + + var args = wtu.getUrlArguments(); + + canvas.addEventListener('webglcontextlost', contextLost, false); + + function contextLost(e) { + e.preventDefault(); + debug("***context lost***"); + } + + function contextRestored(e) { + debug("***context restored***"); + } + + var program = wtu.setupTexturedQuad(gl); + gl.useProgram(program); + + debug(""); + debug("Allocating textures."); + + var intervalId; + var count = 0; + var textureMem = 0; + var textures = []; + var size = 2048; + var limit = (args.limit ? args.limit : 8192) * 1024 * 1024; + + debug("limit: " + InMB(limit)) + + function InMB(v) { + return "" + Math.floor(v / 1024 / 1024) + "MB"; + } + + function makeTexture() { + if (gl.isContextLost()) { + stop("out of memory"); + return; + } + ++count; + textureMem += size * size * 4; + if (textureMem > limit) { + stop("reached limit"); + return; + } + debug ("creating texture #" + count + " mem = " + InMB(textureMem)); + var texture = gl.createTexture(); + textures.push(texture); + gl.bindTexture(gl.TEXTURE_2D, texture); + gl.texImage2D(gl.TEXTURE_2D, + 0, // level + gl.RGBA, // internalFormat + size, // width + size, // height + 0, // border + gl.RGBA, // format + gl.UNSIGNED_BYTE, // type + null); // data + var err = gl.getError(); + if (err != gl.NO_ERROR) { + stop("got error: " + wtu.glEnumToString(gl, err)); + return; + } + // use the texture + wtu.clearAndDrawUnitQuad(gl); + } + + intervalId = window.setInterval(makeTexture, 1000 / 15); + +} + +function stop(msg) { + window.clearInterval(intervalId); + testPassed(msg); + finishTest(); +} +</script> +</body> +</html> |