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
diff --git a/include/gui/GLConsumer.h b/include/gui/GLConsumer.h
index 65544bd..1df5b42 100644
--- a/include/gui/GLConsumer.h
+++ b/include/gui/GLConsumer.h
@@ -87,7 +87,7 @@
// requirement that either of these methods be called.
GLConsumer(const sp<BufferQueue>& bq,
GLuint tex, GLenum texTarget = GL_TEXTURE_EXTERNAL_OES,
- bool useFenceSync = true);
+ bool useFenceSync = true, bool isControlledByApp = false);
// updateTexImage acquires the most recently queued buffer, and sets the
// image contents of the target texture to it.
@@ -177,10 +177,6 @@
// current texture buffer.
status_t doGLFenceWait() const;
- // isSynchronousMode returns whether the GLConsumer is currently in
- // synchronous mode.
- bool isSynchronousMode() const;
-
// set the name of the GLConsumer that will be used to identify it in
// log messages.
void setName(const String8& name);
@@ -190,7 +186,6 @@
status_t setDefaultBufferFormat(uint32_t defaultFormat);
status_t setConsumerUsageBits(uint32_t usage);
status_t setTransformHint(uint32_t hint);
- virtual status_t setSynchronousMode(bool enabled);
// getBufferQueue returns the BufferQueue object to which this
// GLConsumer is connected.