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| author | xidachen <xidachen@chromium.org> | 2015-10-13 11:04:55 -0700 |
|---|---|---|
| committer | Commit bot <commit-bot@chromium.org> | 2015-10-13 18:06:54 +0000 |
| commit | 9f0bb323d1b080be08797b13fa77e2d6153c5800 (patch) | |
| tree | fdd1ad5861b33e5e8e704d3e7d941c87b5e47688 /third_party/WebKit/PerformanceTests | |
| parent | 05de1bf9a63050c88054dd0991a1f47234c2884f (diff) | |
| download | chromium_src-9f0bb323d1b080be08797b13fa77e2d6153c5800.zip chromium_src-9f0bb323d1b080be08797b13fa77e2d6153c5800.tar.gz chromium_src-9f0bb323d1b080be08797b13fa77e2d6153c5800.tar.bz2 | |
Adding performance benchmark for creating imagebitmap from imagedata
BUG=538253
CQ_EXTRA_TRYBOTS=tryserver.chromium.perf:linux_perf_bisect;tryserver.chromium.perf:mac_10_10_perf_bisect;tryserver.chromium.perf:win_perf_bisect;tryserver.chromium.perf:android_nexus5_perf_bisect
Review URL: https://codereview.chromium.org/1387933002
Cr-Commit-Position: refs/heads/master@{#353785}
Diffstat (limited to 'third_party/WebKit/PerformanceTests')
| -rw-r--r-- | third_party/WebKit/PerformanceTests/Canvas/createImageBitmapFromImageData.html | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/third_party/WebKit/PerformanceTests/Canvas/createImageBitmapFromImageData.html b/third_party/WebKit/PerformanceTests/Canvas/createImageBitmapFromImageData.html new file mode 100644 index 0000000..940ac0a --- /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> |