| Index: third_party/WebKit/PerformanceTests/Canvas/draw-hw-accelerated-canvas-2d-to-sw-canvas-2d.html
|
| diff --git a/third_party/WebKit/PerformanceTests/Canvas/draw-hw-accelerated-canvas-2d-to-sw-canvas-2d.html b/third_party/WebKit/PerformanceTests/Canvas/draw-hw-accelerated-canvas-2d-to-sw-canvas-2d.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..ec6f340cd1cd957bf3646d8c994358e1a31be18a
|
| --- /dev/null
|
| +++ b/third_party/WebKit/PerformanceTests/Canvas/draw-hw-accelerated-canvas-2d-to-sw-canvas-2d.html
|
| @@ -0,0 +1,57 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<body>
|
| +<script src="../resources/runner.js"></script>
|
| +<script src="resources/canvas_runner.js"></script>
|
| +<script>
|
| +var sourceCanvas2D = document.createElement("canvas");
|
| +var sourceCtx2D = sourceCanvas2D.getContext("2d");
|
| +var destCanvas2D = document.createElement("canvas");
|
| +var destCtx2D = destCanvas2D.getContext("2d");
|
| +var dummyCanvas2D = document.createElement("canvas");
|
| +var dummyCtx2D = dummyCanvas2D.getContext("2d");
|
| +
|
| +function setSize(sourceWidth, sourceHeight, destWidth, destHeight) {
|
| + sourceCanvas2D.width = sourceWidth;
|
| + sourceCanvas2D.height = sourceHeight;
|
| + destCanvas2D.width = destWidth;
|
| + destCanvas2D.height = destHeight;
|
| + dummyCanvas2D.width = destWidth;
|
| + dummyCanvas2D.height = destHeight;
|
| +}
|
| +
|
| +function rand(range) {
|
| + return Math.floor(Math.random() * range);
|
| +}
|
| +
|
| +function fillCanvas(ctx2d, canvas2d) {
|
| + ctx2d.fillStyle = "rgba(" + rand(255) + "," + rand(255) + "," + rand(255) + "," + rand(255) + ")";
|
| + ctx2d.fillRect(0, 0, canvas2d.width, canvas2d.height);
|
| +}
|
| +
|
| +function doRun() {
|
| + // draw static Canvas
|
| + destCtx2D.drawImage(sourceCanvas2D, 0, 0);
|
| +}
|
| +
|
| +function ensureComplete() {
|
| + // Using destCanvas2D as a source image is just to flush out the content when
|
| + // accelerated 2D canvas is in use.
|
| + dummyCtx2D.drawImage(destCanvas2D, 0, 0, 1, 1, 0, 0, 1, 1);
|
| +}
|
| +
|
| +window.onload = function () {
|
| + // 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 not HW accelerated Canvas when setting its size to 200x200.
|
| + setSize(1024, 1024, 200, 200);
|
| + fillCanvas(sourceCtx2D, sourceCanvas2D);
|
| + CanvasRunner.start({
|
| + description: "This bench test checks the speed on drawing static 2d Canvas(1024x1024) to a canvas that is initially not accelerated (200x200).",
|
| + doRun: doRun,
|
| + ensureComplete: ensureComplete});
|
| +}
|
| +
|
| +</script>
|
| +</body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 2625093003:
Adding 2d canvas benchmark for GPU to non-GPU drawImage calls. (Closed)
