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diff --git a/testing/web-platform/tests/html/canvas/element/manual/wide-gamut-canvas/canvas-display-p3-drawImage-ImageBitmap-ImageData.html b/testing/web-platform/tests/html/canvas/element/manual/wide-gamut-canvas/canvas-display-p3-drawImage-ImageBitmap-ImageData.html
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+++ b/testing/web-platform/tests/html/canvas/element/manual/wide-gamut-canvas/canvas-display-p3-drawImage-ImageBitmap-ImageData.html
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+<!DOCTYPE HTML>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="canvas-display-p3.js"></script>
+<script>
+// Test that ImageBitmaps created from ImageData sources with different color
+// spaces can be drawn into sRGB and Display P3 canvases, by reading pixels with
+// getImageData() as sRGB and Display P3 values.
+function runTest(sourceColorSpace, destinationColorSpace, colors) {
+ for (let [sourceColorString, expectedColor] of Object.entries(colors)) {
+ for (let cropSource of [false, true]) {
+ async_test(function(t) {
+ let sourceColor = sourceColorString.split(",").map(x => +x);
+
+ let sourceImageData = new ImageData(4, 4, { colorSpace: sourceColorSpace });
+ for (let i = 0; i < 4 * 4 * 4; i += 4) {
+ for (let c = 0; c < 4; ++c)
+ sourceImageData.data[i + c] = sourceColor[c];
+ }
+
+ let imageBitmapPromise;
+ if (cropSource)
+ imageBitmapPromise = createImageBitmap(sourceImageData, 2, 2, 2, 2);
+ else
+ imageBitmapPromise = createImageBitmap(sourceImageData);
+
+ imageBitmapPromise.then(t.step_func_done(function(imageBitmap) {
+ let destination = document.createElement("canvas");
+ destination.width = 2;
+ destination.height = 2;
+
+ let destinationContext = destination.getContext("2d", { colorSpace: destinationColorSpace });
+ destinationContext.drawImage(imageBitmap, 0, 0);
+
+ let destinationImageData = destinationContext.getImageData(1, 1, 1, 1);
+
+ assert_true(pixelsApproximatelyEqual(destinationImageData.data, expectedColor), `Actual pixel value ${[...destinationImageData.data]} is approximately equal to ${expectedColor}.`);
+ }));
+ }, `Source ${sourceColorSpace}, destination ${destinationColorSpace}, color ${sourceColorString}, cropSource=${cropSource}`);
+ }
+ }
+}
+
+runTest("srgb", "display-p3", fromSRGBToDisplayP3);
+runTest("display-p3", "srgb", fromDisplayP3ToSRGB);
+</script>