| Index: third_party/WebKit/PerformanceTests/Canvas/toBlob_duration_jpeg.html
|
| diff --git a/third_party/WebKit/PerformanceTests/Canvas/toBlob_duration_jpeg.html b/third_party/WebKit/PerformanceTests/Canvas/toBlob_duration_jpeg.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..92fdc75985c1aaca6e92b31c4aef1caf46f9ecee
|
| --- /dev/null
|
| +++ b/third_party/WebKit/PerformanceTests/Canvas/toBlob_duration_jpeg.html
|
| @@ -0,0 +1,54 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<body>
|
| +<script src = "../resources/runner.js"></script>
|
| +<script>
|
| +var canvas_idle = null;
|
| +var isDone = false;
|
| +
|
| +function createCanvas4k(canvas_id) {
|
| + var myCanvas = document.createElement("canvas");
|
| + myCanvas.id = canvas_id;
|
| + myCanvas.width = 4000;
|
| + myCanvas.height = 4000;
|
| + myCanvas.getContext("2d").fillStyle = "rgba(0, 255, 0, 0.5)";
|
| + myCanvas.getContext("2d").fillRect(0, 0, myCanvas.width, myCanvas.height);
|
| + return myCanvas;
|
| +}
|
| +
|
| +function invokeToBlobJpg(myCanvas) {
|
| + var startTime = PerfTestRunner.now();
|
| + myCanvas.toBlob(function(blob){
|
| + PerfTestRunner.measureValueAsync(PerfTestRunner.now() - startTime);
|
| + if (!isDone) {
|
| + PerfTestRunner.gc();
|
| + runTest(myCanvas);
|
| + }
|
| + }, "image/jpeg");
|
| +}
|
| +
|
| +function draw() {
|
| + if (!isDone)
|
| + requestAnimationFrame(draw);
|
| +}
|
| +
|
| +function runTest(myCanvas) {
|
| + draw(); //repeatedly draw the frame to keep main thread busy
|
| + invokeToBlobJpg(myCanvas);
|
| +}
|
| +
|
| +window.onload = function () {
|
| + canvas_idle = createCanvas4k("canvas_idle");
|
| + PerfTestRunner.prepareToMeasureValuesAsync({
|
| + unit: 'ms',
|
| + done: function () {
|
| + isDone = true;
|
| + },
|
| + description: "Measures performance of canvas."
|
| + });
|
| + runTest(canvas_idle);
|
| +};
|
| +</script>
|
| +</body>
|
| +</html>
|
| +
|
|
|
Chromium Code Reviews
Issue 2576223002:
NEON-ize RGBA to RGB code (Closed)
