Chromium Code Reviews Chromium Code Reviews
Issue 11667030:
Add GPU memory usage contents browser test (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src| Index: content/test/data/gpu/mem_css3d.html |
| diff --git a/content/test/data/gpu/mem_css3d.html b/content/test/data/gpu/mem_css3d.html |
| new file mode 100644 |
| index 0000000000000000000000000000000000000000..735cf721013d71aab42f389a7854624217faad8d |
| --- /dev/null |
| +++ b/content/test/data/gpu/mem_css3d.html |
| @@ -0,0 +1,52 @@ |
| +<!DOCTYPE HTML> |
| +<html> |
| +<head> |
| +<title>GPU Memory Test: Use N MB of GPU Memory with 3D CSS</title> |
| +<style> |
| +.block { |
| + background: #FF0000; |
| + font-size: 150px; |
| + height: 512px; |
| + position: absolute; |
| + width: 512px; |
| + |
| +} |
| +.perspective |
| +{ |
| + border: 1px solid black; |
| + height: 512px; |
| + text-align: center; |
| + width: 512px; |
| + -webkit-perspective: 600px; |
| + -webkit-perspective-origin: center center; |
| + -webkit-transform-style: preserve-3d; |
| +} |
| +</style> |
| +<script type="text/javascript"> |
| +// Generate n 3D CSS elements that are each about 1 MB in size |
|
nduca
2013/01/05 05:14:42
how about splitting this patch up into a few patch
ccameron
2013/01/07 21:36:34
This I feel strongly about.
I had considered doin
|
| +function useGpuMemory(mb_to_use) { |
| + n = mb_to_use; |
| + var blocks = document.getElementById("blocks"); |
| + var blockArray = document.getElementsByClassName("block"); |
| + for (var i = 0; i < n; i++) { |
| + var block = document.createElement("div"); |
| + block.className = "block"; |
| + block.style.WebkitTransform = "rotateZ(" + i + "deg) translate3d(" + i + "px, " + i + "px, " + 2*(i-n+1) + "px)"; |
|
nduca
2013/01/05 05:14:42
is the rotation important?
is there a simpler cas
ccameron
2013/01/07 21:36:34
Importantly, the test does verify that these pages
|
| + block.style.zIndex = -i; |
|
nduca
2013/01/05 05:14:42
is the backward zIndex ordering important?
ccameron
2013/01/07 21:36:34
Nope, that was a mistake -- I'd meant translate3d.
|
| + var r = 16 + 240 * (i % 2); |
| + var g = 16; |
| + var b = 255 - i; |
| + block.style.background = "#" + r.toString(16) + g.toString(16) + b.toString(16); |
| + block.innerHTML = i; |
|
nduca
2013/01/05 05:14:42
prefer
block.textContent = i;
unless you're inser
ccameron
2013/01/07 21:36:34
Fixed.
|
| + blocks.appendChild(block); |
| + } |
| + |
| + // Signal back to the test runner that we're done allocating memory. |
| + domAutomationController.send("DONE"); |
| +} |
| +</script> |
| +</head> |
| +<body> |
| +<div id="blocks" class="perspective"/> |
| +</body> |
| +</html> |
