diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/gui/BufferQueueConsumer.h | 3 | ||||
-rw-r--r-- | include/gui/BufferQueueCore.h | 7 | ||||
-rw-r--r-- | include/gui/IGraphicBufferConsumer.h | 5 |
3 files changed, 15 insertions, 0 deletions
diff --git a/include/gui/BufferQueueConsumer.h b/include/gui/BufferQueueConsumer.h index 9c91fc7..0f42613 100644 --- a/include/gui/BufferQueueConsumer.h +++ b/include/gui/BufferQueueConsumer.h @@ -148,6 +148,9 @@ public: // Retrieve the sideband buffer stream, if any. virtual sp<NativeHandle> getSidebandStream() const; + // See IGraphicBufferConsumer::setShadowQueueSize + virtual void setShadowQueueSize(size_t size); + // dump our state in a String virtual void dump(String8& result, const char* prefix) const; diff --git a/include/gui/BufferQueueCore.h b/include/gui/BufferQueueCore.h index e3624b7..a22015c 100644 --- a/include/gui/BufferQueueCore.h +++ b/include/gui/BufferQueueCore.h @@ -274,6 +274,13 @@ private: // mBufferAge tracks the age of the contents of the most recently dequeued // buffer as the number of frames that have elapsed since it was last queued uint64_t mBufferAge; + + // mConsumerHasShadowQueue determines if acquireBuffer should be more + // cautious about dropping buffers so that it always returns a buffer that + // is represented in the consumer's shadow queue. + bool mConsumerHasShadowQueue; + size_t mConsumerShadowQueueSize; + }; // class BufferQueueCore } // namespace android diff --git a/include/gui/IGraphicBufferConsumer.h b/include/gui/IGraphicBufferConsumer.h index 8f31b55..0be09a2 100644 --- a/include/gui/IGraphicBufferConsumer.h +++ b/include/gui/IGraphicBufferConsumer.h @@ -248,6 +248,11 @@ public: // Retrieve the sideband buffer stream, if any. virtual sp<NativeHandle> getSidebandStream() const = 0; + // setShadowQueueSize notifies the BufferQueue that the consumer is + // shadowing its queue and allows it to limit the number of buffers it is + // permitted to drop during acquire so as to not get out of sync. + virtual void setShadowQueueSize(size_t size) = 0; + // dump state into a string virtual void dump(String8& result, const char* prefix) const = 0; |