From 595264f1af12e25dce57d7c5b1d52ed86ac0d0c9 Mon Sep 17 00:00:00 2001 From: Mathias Agopian Date: Tue, 16 Jul 2013 22:56:09 -0700 Subject: BufferQueue improvements and APIs changes this is the first step of a series of improvements to BufferQueue. A few things happen in this change: - setSynchronousMode() goes away as well as the SynchronousModeAllowed flag - BufferQueue now defaults to (what used to be) synchronous mode - a new "controlled by app" flag is passed when creating consumers and producers those flags are used to put the BufferQueue in a mode where it will never block if both flags are set. This is achieved by: - returning an error from dequeueBuffer() if it would block - making sure a buffer is always available by replacing the previous buffer with the new one in queueBuffer() (note: this is similar to what asynchrnous mode used to be) Note: in this change EGL's swap-interval 0 is broken; this will be fixed in another change. Change-Id: I691f9507d6e2e158287e3039f2a79a4d4434211d --- include/gui/ConsumerBase.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'include/gui/ConsumerBase.h') diff --git a/include/gui/ConsumerBase.h b/include/gui/ConsumerBase.h index 42b84cc7ce..7b58bc5bb1 100644 --- a/include/gui/ConsumerBase.h +++ b/include/gui/ConsumerBase.h @@ -87,7 +87,9 @@ protected: // ConsumerBase constructs a new ConsumerBase object to consume image // buffers from the given BufferQueue. - ConsumerBase(const sp &bufferQueue); + // The controlledByApp flag indicates that this consumer is under the application's + // control. + ConsumerBase(const sp &bufferQueue, bool controlledByApp = false); // onLastStrongRef gets called by RefBase just before the dtor of the most // derived class. It is used to clean up the buffers so that ConsumerBase -- cgit v1.2.3-59-g8ed1b