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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<meta charset="UTF-8">
<title>Canvas test: 2d.imageData.createImageBitmap.srgb.rgba.float16</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
<body class="show_output">
<h1>2d.imageData.createImageBitmap.srgb.rgba.float16</h1>
<p class="desc">Verify round-trip of 16-bit float sRGB data ImageData through ImageBitmap</p>
<p class="output">Actual output:</p>
<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<ul id="d"></ul>
<script>
promise_test(async t => {
var canvas = document.getElementById('c');
var ctx = canvas.getContext('2d', {colorSpace: "srgb", colorType:"float16"});
const expectedColor = [ 1.0, 2.0, -1.0, 1.0 ];
var imageData = new ImageData(10, 10, {colorSpace:"srgb", pixelFormat:"rgba-float16"});
for (let y = 0; y < imageData.height; ++y) {
for (let x = 0; x < imageData.width; ++x) {
for (let c = 0; c < 4; ++c) {
imageData.data[4*(x + y*imageData.width) + c] = expectedColor[c];
}
}
}
var bitmap = await createImageBitmap(imageData);
ctx.drawImage(bitmap, 0, 0);
var pixel = ctx.getImageData(0, 0, 1, 1, {colorSpace:"srgb", pixelFormat:"rgba-float16"});
for (let c = 0; c < 4; ++c) {
assert_approx_equals(pixel.data[c], expectedColor[c], 0.01);
}
}, "Verify round-trip of 16-bit float sRGB data ImageData through ImageBitmap");
</script>
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