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Add web_platform reftest for copyElementImageToTexture #4479

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Add web_platform reftest for copyElementImageToTexture #4479

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451f17d
Add web_platform reftest for copyElementImageToTexture
szager-chromium Oct 19, 2025
c15326e
data-uri-friendly colors
szager-chromium Oct 19, 2025
68d8fa9
Drop context argument
szager-chromium Oct 20, 2025
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63 changes: 63 additions & 0 deletions src/webgpu/web_platform/reftests/copy_element_image_to_texture.https.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<html class="reftest-wait">
<title>WebGPU copyElementImageToTexture</title>
<meta charset="utf-8" />
<link rel="help" href="https://github.com/WICG/html-in-canvas" />
<link rel="match" href="ref/copy_element_image_to_texture-ref.html" />

<style>
canvas {
border: 0;
}
.drawn-element {
width: 256px;
height: 192px;
background-color: white;
}
.css-is-awesome {
width:3.2rem;
border:.1rem solid black;
border-radius:.5rem;
padding:.2rem;
background:linear-gradient(45deg,rgb(240 176 176),rgb(176 240 240));
font-family:sans-serif;
}
.css-is-awesome::before {
content: "CSS IS AWESOME";
}
</style>

<canvas id="cvs" width="256" height="192" layoutsubtree>
<div id="target" class="drawn-element">
<div class="css-is-awesome"></div>
</div>
</canvas>

<script type="module">
import { runRefTest } from './gpu_ref_test.js';
import { assert } from '../../../common/util/util.js';
runRefTest(async (t) => {
const cvs = document.getElementById('cvs');
const ctx = cvs.getContext('webgpu');
assert(ctx instanceof GPUCanvasContext,
'Failed to get WebGPU context from canvas');

t.device.addEventListener('uncapturederror', evt => {
assert(false, `WebGPU error: ${evt.error.message}`);
});

ctx.configure({
device: t.device,
format: navigator.gpu.getPreferredCanvasFormat(),
usage: GPUTextureUsage.COPY_DST | GPUTextureUsage.RENDER_ATTACHMENT,
});

const target = document.getElementById('target');
t.queue.copyElementImageToTexture(
target, { texture: ctx.getCurrentTexture() });

await new Promise(requestAnimationFrame);
await new Promise(requestAnimationFrame);
});
</script>
</html>
16 changes: 16 additions & 0 deletions src/webgpu/web_platform/reftests/ref/copy_element_image_to_texture-ref.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<style>
.css-is-awesome {
width:3.2rem;
border:.1rem solid black;
border-radius:.5rem;
padding:.2rem;
background:linear-gradient(45deg,rgb(240 176 176),rgb(176 240 240));
font-family:sans-serif;
}
.css-is-awesome::before {
content: "CSS IS AWESOME";
}
</style>

<div class="css-is-awesome"></div>