BQ: Modify consumer buffer count interfaces
- Rename setDefaultMaxBufferCount() to setMaxBufferCount(). Modify it
to be hard maximum on the number of buffers that can't be overwritten
by the producer.
- Enforce the maximum buffer count in setMaxAcquiredBufferCount(),
setMaxDequeuedBufferCount(), and setAsyncMode().
- Remove mOverrideMaxBufferCount as it's no longer needed since
overriding is no longer possible.
- Expose setMaxAcquiredBufferCount() in GLConsumer.
- Remove disableAsyncBuffer(), it was only being used for single buffer
mode. Single buffer mode is now achievable with setMaxBufferCount().
Bug 13174928
Change-Id: Ia33799f42751272a711fbd8559f7602ce9f18e4f
diff --git a/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp b/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
index 6ef3295..5574c7e 100644
--- a/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/FramebufferSurface.cpp
@@ -66,7 +66,7 @@
GRALLOC_USAGE_HW_COMPOSER);
mConsumer->setDefaultBufferFormat(mHwc.getFormat(disp));
mConsumer->setDefaultBufferSize(mHwc.getWidth(disp), mHwc.getHeight(disp));
- mConsumer->setDefaultMaxBufferCount(NUM_FRAMEBUFFER_SURFACE_BUFFERS);
+ mConsumer->setMaxAcquiredBufferCount(NUM_FRAMEBUFFER_SURFACE_BUFFERS - 1);
}
status_t FramebufferSurface::beginFrame(bool /*mustRecompose*/) {
diff --git a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
index 3180d29..07ed57d 100644
--- a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
@@ -92,7 +92,6 @@
mConsumer->setConsumerName(ConsumerBase::mName);
mConsumer->setConsumerUsageBits(GRALLOC_USAGE_HW_COMPOSER);
mConsumer->setDefaultBufferSize(sinkWidth, sinkHeight);
- mConsumer->setDefaultMaxBufferCount(2);
}
VirtualDisplaySurface::~VirtualDisplaySurface() {
diff --git a/services/surfaceflinger/Layer.cpp b/services/surfaceflinger/Layer.cpp
index 5ff79a9..33af4a5 100644
--- a/services/surfaceflinger/Layer.cpp
+++ b/services/surfaceflinger/Layer.cpp
@@ -135,9 +135,8 @@
#ifdef TARGET_DISABLE_TRIPLE_BUFFERING
#warning "disabling triple buffering"
- mSurfaceFlingerConsumer->setDefaultMaxBufferCount(2);
#else
- mSurfaceFlingerConsumer->setDefaultMaxBufferCount(3);
+ mProducer->setMaxDequeuedBufferCount(2);
#endif
const sp<const DisplayDevice> hw(mFlinger->getDefaultDisplayDevice());