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| author | Jorim Jaggi <jjaggi@google.com> | 2019-03-28 00:44:03 +0100 |
|---|---|---|
| committer | Jorim Jaggi <jjaggi@google.com> | 2019-04-02 22:40:12 +0200 |
| commit | 35b4e3839a2eb405bd172351042f81d842183715 (patch) | |
| tree | 39ee0e9f82836355b195abfcc7c8b66a88868af7 /libs/gui/include | |
| parent | 6ae550323264bacc45da2d8fca90534d02815308 (diff) | |
| download | android_frameworks_native-35b4e3839a2eb405bd172351042f81d842183715.tar.gz android_frameworks_native-35b4e3839a2eb405bd172351042f81d842183715.tar.bz2 android_frameworks_native-35b4e3839a2eb405bd172351042f81d842183715.zip | |
Wait for buffer allocation
In dequeueBuffer, if we don't have a free slot but are in the
process of allocating, we wait for that to complete instead of
kicking off our own allocation, as it's likely that the allocation
from allocateBuffers is able to finish earlier than if we'd kick
off our own allocation.
Test: Swipe up, see less initial buffer dequeue delay
Fixes: 111517695
Change-Id: I735d68e87fc7e2ff5b7ec3595f0ced5a94ebbf9c
Diffstat (limited to 'libs/gui/include')
| -rw-r--r-- | libs/gui/include/gui/BufferQueueProducer.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libs/gui/include/gui/BufferQueueProducer.h b/libs/gui/include/gui/BufferQueueProducer.h index b6e98862f..415e2a616 100644 --- a/libs/gui/include/gui/BufferQueueProducer.h +++ b/libs/gui/include/gui/BufferQueueProducer.h @@ -253,6 +253,13 @@ private: // slot is not yet available. nsecs_t mDequeueTimeout; + // If set to true, dequeueBuffer() is currently waiting for buffer allocation to complete. + bool mDequeueWaitingForAllocation; + + // Condition variable to signal allocateBuffers() that dequeueBuffer() is no longer waiting for + // allocation to complete. + std::condition_variable mDequeueWaitingForAllocationCondition; + }; // class BufferQueueProducer } // namespace android |