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authorjbauman@chromium.org <jbauman@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2012-03-02 17:33:45 +0000
committerjbauman@chromium.org <jbauman@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2012-03-02 17:33:45 +0000
commit2ffd73d989f9f07df881020d55e2e2e768efda6f (patch)
tree2b1f8efc792d090f2fc235c8c6e1b32e7dbe2885 /content
parentd60af3733b057d4cbf513219bcd237fd78aa4a6d (diff)
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Don't trigger accelerated compositing for 3D CSS when using SwiftShader
The performance hit may be too high. BUG=116401 TEST= Review URL: http://codereview.chromium.org/9562009 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@124677 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'content')
-rw-r--r--content/browser/tab_contents/tab_contents.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/content/browser/tab_contents/tab_contents.cc b/content/browser/tab_contents/tab_contents.cc
index 92c1fb2..9bcd915 100644
--- a/content/browser/tab_contents/tab_contents.cc
+++ b/content/browser/tab_contents/tab_contents.cc
@@ -436,10 +436,11 @@ WebPreferences TabContents::GetWebkitPrefs(RenderViewHost* rvh,
prefs.gl_multisampling_enabled = false;
// Accelerated video and animation are slower than regular when using a
- // software 3d rasterizer.
+ // software 3d rasterizer. 3D CSS may also be too slow to be worthwhile.
if (gpu_data_manager->ShouldUseSoftwareRendering()) {
prefs.accelerated_video_enabled = false;
prefs.accelerated_animation_enabled = false;
+ prefs.accelerated_layers_enabled = false;
}
}