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<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
</head>
<body>
<script type="text/javascript">
"use strict";
var perfMetadata = {
owner: "Graphics Team",
name: "Queue Write",
description:
"Test the performance of Queue.writeBuffer and Queue.writeTexture",
test: "mochitest",
options: {
default: {
perfherder: true,
perfherder_metrics: [
{ name: "writeBuffer Time", unit: "ms" },
{ name: "writeTexture Time", unit: "ms" },
],
manifest: "perftest.toml",
manifest_flavor: "plain",
},
},
};
const iters = 100;
ok(
SpecialPowers.getBoolPref("dom.webgpu.enabled"),
"WebGPU pref should be enabled."
);
async function runTest() {
const adapter = await navigator.gpu.requestAdapter();
const device = await adapter.requestDevice();
device.onuncapturederror = function (e) {
ok(false, "WebGPU error: " + e.error.message);
};
const buffer = device.createBuffer({
size: 1024 * 1024,
usage:
GPUBufferUsage.COPY_DST |
GPUBufferUsage.COPY_SRC |
GPUBufferUsage.VERTEX,
});
const arrayBuf = new ArrayBuffer(256 * 1024 * 1024);
new Int32Array(arrayBuf).fill(0x55);
performance.mark("start writeBuffer");
for (var i = 0; i < iters; i++) {
device.queue.writeBuffer(buffer, 0, arrayBuf, 0, 1024 * 1024);
}
const writeBufferTime = performance.measure(
"writeBuffer",
"start writeBuffer"
).duration;
const texture = device.createTexture({
size: [512, 512, 1],
dimension: "2d",
format: "rgba8unorm",
usage: GPUTextureUsage.COPY_DST | GPUTextureUsage.COPY_SRC,
});
performance.mark("start writeTexture");
for (i = 0; i < iters; i++) {
device.queue.writeTexture(
{ texture },
arrayBuf,
{ bytesPerRow: 2048 },
[512, 512, 1]
);
}
const writeTextureTime = performance.measure(
"writeTexture",
"start writeTexture"
).duration;
ok(device !== undefined, "");
info(
"perfMetrics",
JSON.stringify({
"writeBuffer Time": writeBufferTime,
"writeTexture Time": writeTextureTime,
})
);
}
SimpleTest.waitForExplicitFinish();
runTest()
.catch(e => ok(false, "Unhandled exception " + e))
.finally(() => SimpleTest.finish());
</script>
</body>
</html>
|
