| Index: third_party/WebKit/PerformanceTests/Canvas/createImageBitmapFromImageData.html
|
| diff --git a/third_party/WebKit/PerformanceTests/Canvas/createImageBitmapFromImageData.html b/third_party/WebKit/PerformanceTests/Canvas/createImageBitmapFromImageData.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..940ac0a3a3c1ed5b2cc6765974caeed2efeee1dd
|
| --- /dev/null
|
| +++ b/third_party/WebKit/PerformanceTests/Canvas/createImageBitmapFromImageData.html
|
| @@ -0,0 +1,36 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<body>
|
| +<script src="../resources/runner.js"></script>
|
| +<script>
|
| +var imgHeight = 1024;
|
| +var imgWidth = 1024;
|
| +var canvas = document.createElement("canvas");
|
| +canvas.width = imgWidth;
|
| +canvas.height = imgHeight;
|
| +var context = canvas.getContext('2d');
|
| +var image = context.createImageData(imgWidth, imgHeight);
|
| +
|
| +function rand(range) {
|
| + return Math.floor(Math.random() * range);
|
| +}
|
| +
|
| +function initializeImageData() {
|
| + for(var i = 0; i < image.data.length; i++)
|
| + image.data[i] = rand(256);
|
| +}
|
| +
|
| +function imageBitmapFromImageData() {
|
| + /*The return Promise is not retained because this test
|
| + is meant to only measure the immediate run time of
|
| + createImageBitmap from an ImageData, which is known
|
| + to be implemented in a way that does all the work
|
| + synchronously, even though the API is technically async.*/
|
| + createImageBitmap(image, 0, 0, imgWidth, imgHeight);
|
| +}
|
| +
|
| +initializeImageData();
|
| +PerfTestRunner.measureRunsPerSecond({run: imageBitmapFromImageData, description: "This bench test checks the speed on creating ImageBitmap from ImageData(1024x1024)."});
|
| +</script>
|
| +</body>
|
| +</html>
|
|
|