Add interface for controlling single buffer auto refresh
- Adds a boolean to BufferQueue that controls whether or not auto
refresh is enabled in SurfaceFlinger when in single buffer mode.
- Adds plumbing up to ANativeWindow.
- When enabled, it will cache the shared buffer slot in Surface in
order to prevent the Binder transaction with SurfaceFlinger.
Bug 24940410
Change-Id: I83142afdc00e203f198a32288f071d926f8fda95
diff --git a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
index 64c1dd9..1a0d689 100644
--- a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
+++ b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.cpp
@@ -547,8 +547,14 @@
return 0;
}
-status_t VirtualDisplaySurface::setSingleBufferMode(bool singleBufferMode) {
- return mSource[SOURCE_SINK]->setSingleBufferMode(singleBufferMode);
+status_t VirtualDisplaySurface::setSingleBufferMode(bool /*singleBufferMode*/) {
+ ALOGE("setSingleBufferMode not supported on VirtualDisplaySurface");
+ return INVALID_OPERATION;
+}
+
+status_t VirtualDisplaySurface::setAutoRefresh(bool /*autoRefresh*/) {
+ ALOGE("setAutoRefresh not supported on VirtualDisplaySurface");
+ return INVALID_OPERATION;
}
status_t VirtualDisplaySurface::setDequeueTimeout(nsecs_t /* timeout */) {
diff --git a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h
index 7f451a9..ede204c 100644
--- a/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h
+++ b/services/surfaceflinger/DisplayHardware/VirtualDisplaySurface.h
@@ -121,6 +121,7 @@
virtual String8 getConsumerName() const override;
virtual uint64_t getNextFrameNumber() const override;
virtual status_t setSingleBufferMode(bool singleBufferMode) override;
+ virtual status_t setAutoRefresh(bool autoRefresh) override;
virtual status_t setDequeueTimeout(nsecs_t timeout) override;
//