PerformanceTests/Canvas/draw-dynamic-canvas-2d-to-hw-accelerated-canvas-2d.html - Issue 200253002: Make canvas perf tests run less than 6 sec.

Unified Diff: PerformanceTests/Canvas/draw-dynamic-canvas-2d-to-hw-accelerated-canvas-2d.html

Issue 200253002: Make canvas perf tests run less than 6 sec. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Introduce canvas_runner.js to remove duplicated code. Created 6 years, 9 months ago

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Index: PerformanceTests/Canvas/draw-dynamic-canvas-2d-to-hw-accelerated-canvas-2d.html

diff --git a/PerformanceTests/Canvas/draw-dynamic-canvas-2d-to-hw-accelerated-canvas-2d.html b/PerformanceTests/Canvas/draw-dynamic-canvas-2d-to-hw-accelerated-canvas-2d.html

index a913cb45e9748f0efa630003a59d971e16302458..b678a428f215addf79417e42ad8322238db654fa 100644

--- a/PerformanceTests/Canvas/draw-dynamic-canvas-2d-to-hw-accelerated-canvas-2d.html

+++ b/PerformanceTests/Canvas/draw-dynamic-canvas-2d-to-hw-accelerated-canvas-2d.html

@@ -2,14 +2,12 @@

<html>

<body>

+<script src="resources/canvas_runner.js"></script>

var sourceCanvas2D = document.createElement("canvas");

var sourceCtx2D = sourceCanvas2D.getContext("2d");

var destCanvas2D = document.createElement("canvas");

var destCtx2D = destCanvas2D.getContext("2d");

-var MEASURE_DRAW_TIMES = 1000;

-var MAX_COUNT = 60000;

-var count = 0;

function setSize(sourceWidth, sourceHeight, destWidth, destHeight) {

sourceCanvas2D.width = sourceWidth;

@@ -27,37 +25,28 @@ function fillCanvas(ctx2d, canvas2d) {

ctx2d.fillRect(0, 0, canvas2d.width, canvas2d.height);

}

-function drawCanvas2DToCanvas2D() {

- var start = PerfTestRunner.now();

- for (var i = 0; i < MEASURE_DRAW_TIMES; i++) {

- fillCanvas(sourceCtx2D, sourceCanvas2D);

- // draw dynamic Canvas

- destCtx2D.drawImage(sourceCanvas2D, 0, 0);

- }

+function doRun() {

+ fillCanvas(sourceCtx2D, sourceCanvas2D);

+ // draw dynamic Canvas

+ destCtx2D.drawImage(sourceCanvas2D, 0, 0);

+function ensureComplete() {

// Calling getImageData() is just to flush out the content when

// accelerated 2D canvas is in use. The cost of reading 1x1 pixels is low.

destCtx2D.getImageData(0, 0, 1, 1);

- count++;

- var elapsedTime = PerfTestRunner.now() - start;

- PerfTestRunner.measureValueAsync(MEASURE_DRAW_TIMES * 1000 / elapsedTime);

- if (count < MAX_COUNT)

- requestAnimationFrame(drawCanvas2DToCanvas2D);

-function onCompletedRun() {

- count = MAX_COUNT;

}

window.onload = function () {

- PerfTestRunner.prepareToMeasureValuesAsync({done: onCompletedRun, unit: 'runs/s',

- description: "This bench test checks the speed on drawing dynamic 2d Canvas(1024x1024) to HW accelerated Canvas2D(1024x1024)."});

// It should use setMinimumAccelerated2dCanvasSize() to enable accelerated Canvas for a specified size

// but this API is not available in JS or WebPage. Assume the threshold size is 256x257

// and the dest canvas is HW accelerated Canvas when setting its size to 1024x1024.

setSize(1024, 1024, 1024, 1024);

fillCanvas(sourceCtx2D, sourceCanvas2D);

- drawCanvas2DToCanvas2D();

+ CanvasRunner.start({

+ description: "This bench test checks the speed on drawing dynamic 2d Canvas(1024x1024) to HW accelerated Canvas2D(1024x1024).",

+ doRun: doRun,

+ ensureComplete: ensureComplete});

}

</script>

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