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This release is 13 versions behind 0.224.9 — the latest version of @std/webgpu. Jump to latest

@std/webgpu@0.221.0
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denoland/std
Works with
This package works with Deno, BrowsersIt is unknown whether this package works with Bun
This package works with Deno
It is unknown whether this package works with Bun
This package works with Browsers
•JSR Score94%•
Downloads8/wk
•
Published2 years ago (0.221.0)

UNSTABLE: Utilities for working with the Web GPU API

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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.

import { getRowPadding, resliceBufferWithPadding } from "./row_padding.ts";
import { assertEquals } from "jsr:/@std/assert@^0.221.0/assert-equals";

Deno.test("getRowPadding()", () => {
  const { unpadded, padded } = getRowPadding(64);
  assertEquals(unpadded, 256);
  assertEquals(padded, 256);
});

Deno.test("getRowPadding() works for odd number smaller than COPY_BYTES_PER_ROW_ALIGNMENT", () => {
  const { unpadded, padded } = getRowPadding(5);
  assertEquals(unpadded, 20);
  assertEquals(padded, 256);
});

Deno.test("getRowPadding() works for odd number larger than COPY_BYTES_PER_ROW_ALIGNMENT", () => {
  const { unpadded, padded } = getRowPadding(329);
  assertEquals(unpadded, 1316);
  assertEquals(padded, 1536);
});

Deno.test("getRowPadding() works for even number smaller than COPY_BYTES_PER_ROW_ALIGNMENT", () => {
  const { unpadded, padded } = getRowPadding(4);
  assertEquals(unpadded, 16);
  assertEquals(padded, 256);
});

Deno.test("getRowPadding() works for even number larger than COPY_BYTES_PER_ROW_ALIGNMENT", () => {
  const { unpadded, padded } = getRowPadding(4024);
  assertEquals(unpadded, 16096);
  assertEquals(padded, 16128);
});

Deno.test("resliceBufferWithPadding()", () => {
  // deno-fmt-ignore
  const input = new Uint8Array([
      0, 255, 0, 255, 255,   0, 0, 255,   0, 255, 0, 255,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0, 255, 0,   0, 255, 255, 0,   0, 255, 255, 0,   0, 255, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,   0, 0,   0,   0,   0, 0,   0,   0,   0, 0,   0,   0, 0, 0,
      0,
      0]);

  const buf = resliceBufferWithPadding(input, 3, 2);
  assertEquals(
    buf,
    new Uint8Array([
      0,
      255,
      0,
      255,
      255,
      0,
      0,
      255,
      0,
      255,
      0,
      255,
      255,
      0,
      0,
      255,
      255,
      0,
      0,
      255,
      255,
      0,
      0,
      255,
    ]),
  );
});