diff options
author | Mathias Agopian <mathias@google.com> | 2011-11-17 17:49:17 -0800 |
---|---|---|
committer | Mathias Agopian <mathias@google.com> | 2011-11-29 13:10:25 -0800 |
commit | 79f39eb46055282c86815853ad94a1e01ca6675f (patch) | |
tree | 3853d9c0c5b1877a390178558e77dd7b6c31ad75 /services/surfaceflinger/EventThread.h | |
parent | f9e88fbee04f83638b07546741196bd4c242ef54 (diff) | |
download | frameworks_base-79f39eb46055282c86815853ad94a1e01ca6675f.zip frameworks_base-79f39eb46055282c86815853ad94a1e01ca6675f.tar.gz frameworks_base-79f39eb46055282c86815853ad94a1e01ca6675f.tar.bz2 |
Add support for sending VSYNC events to the framework
use gui/DisplayEvent to receive the events. Events are
dispatched through a unix pipe, so the API is compatible
with utils/Looper. see gui/DisplayEvent.h for more info.
Bug: 1475048
Change-Id: Ia720f64d1b950328b47b22c6a86042e481d35f09
Diffstat (limited to 'services/surfaceflinger/EventThread.h')
-rw-r--r-- | services/surfaceflinger/EventThread.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/services/surfaceflinger/EventThread.h b/services/surfaceflinger/EventThread.h new file mode 100644 index 0000000..0482ab7 --- /dev/null +++ b/services/surfaceflinger/EventThread.h @@ -0,0 +1,79 @@ +/* + * Copyright (C) 2011 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_SURFACE_FLINGER_EVENT_THREAD_H +#define ANDROID_SURFACE_FLINGER_EVENT_THREAD_H + +#include <stdint.h> +#include <sys/types.h> + +#include <gui/IDisplayEventConnection.h> + +#include <utils/Errors.h> +#include <utils/threads.h> +#include <utils/SortedVector.h> + +#include "DisplayEventConnection.h" + +// --------------------------------------------------------------------------- + +namespace android { + +// --------------------------------------------------------------------------- + +class SurfaceFlinger; +class DisplayHardware; + +// --------------------------------------------------------------------------- + +class EventThread : public Thread { + friend class DisplayEventConnection; + +public: + EventThread(const sp<SurfaceFlinger>& flinger); + + status_t registerDisplayEventConnection( + const sp<DisplayEventConnection>& connection); + + status_t unregisterDisplayEventConnection( + const wp<DisplayEventConnection>& connection); + + void dump(String8& result, char* buffer, size_t SIZE) const; + +private: + virtual bool threadLoop(); + virtual status_t readyToRun(); + virtual void onFirstRef(); + + // constants + sp<SurfaceFlinger> mFlinger; + const DisplayHardware& mHw; + + mutable Mutex mLock; + mutable Condition mCondition; + + // protected by mLock + SortedVector<wp<DisplayEventConnection> > mDisplayEventConnections; + size_t mDeliveredEvents; +}; + +// --------------------------------------------------------------------------- + +}; // namespace android + +// --------------------------------------------------------------------------- + +#endif /* ANDROID_SURFACE_FLINGER_EVENT_THREAD_H */ |