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| author | boliu@chromium.org <boliu@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-06-21 05:51:52 +0000 |
|---|---|---|
| committer | boliu@chromium.org <boliu@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-06-21 05:51:52 +0000 |
| commit | db7fdea746abd745646ec4bd5b90fff0ce9c6888 (patch) | |
| tree | 8f03e2fd9c85d160d86909160f05d29388e5395c /content | |
| parent | 4ff653775e0ac6d004c5fd7271506c822256f822 (diff) | |
| download | chromium_src-db7fdea746abd745646ec4bd5b90fff0ce9c6888.zip chromium_src-db7fdea746abd745646ec4bd5b90fff0ce9c6888.tar.gz chromium_src-db7fdea746abd745646ec4bd5b90fff0ce9c6888.tar.bz2 | |
Disable retroactive begin frame for synchronous compositor
Android WebView can only draw when the system asks us to draw. So it is
incorrect to perform retroactive begin frames.
BUG=
NOTRY=true
Review URL: https://chromiumcodereview.appspot.com/17520002
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@207723 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'content')
| -rw-r--r-- | content/browser/android/in_process/synchronous_compositor_output_surface.cc | 5 | ||||
| -rw-r--r-- | content/browser/android/in_process/synchronous_compositor_output_surface.h | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/content/browser/android/in_process/synchronous_compositor_output_surface.cc b/content/browser/android/in_process/synchronous_compositor_output_surface.cc index ec8e6a3..38bf88b3 100644 --- a/content/browser/android/in_process/synchronous_compositor_output_surface.cc +++ b/content/browser/android/in_process/synchronous_compositor_output_surface.cc @@ -227,6 +227,11 @@ void SynchronousCompositorOutputSurface::InvokeComposite( OnSwapBuffersComplete(NULL); } +void SynchronousCompositorOutputSurface::PostCheckForRetroactiveBeginFrame() { + // Synchronous compositor cannot perform retroactive begin frames, so + // intentionally no-op here. +} + // Not using base::NonThreadSafe as we want to enforce a more exacting threading // requirement: SynchronousCompositorOutputSurface() must only be used on the UI // thread. diff --git a/content/browser/android/in_process/synchronous_compositor_output_surface.h b/content/browser/android/in_process/synchronous_compositor_output_surface.h index dabed4b..91ebca5 100644 --- a/content/browser/android/in_process/synchronous_compositor_output_surface.h +++ b/content/browser/android/in_process/synchronous_compositor_output_surface.h @@ -68,6 +68,9 @@ class SynchronousCompositorOutputSurface class SoftwareDevice; friend class SoftwareDevice; + // Private OutputSurface overrides. + virtual void PostCheckForRetroactiveBeginFrame() OVERRIDE; + void InvokeComposite(gfx::Size damage_size); void UpdateCompositorClientSettings(); void NotifyCompositorSettingsChanged(); |