Add captureLayers function to capture a layer and its children.
The captureLayers function gets a root layer as its argument.
It will capture the content for that layer and its descendants. The
capture will set the root layer's transform back to (0, 0).
Test: Transaction_test ScreenCaptureTest
Change-Id: I84fb66a65cd91434cddc99506b1924cf9f950935
diff --git a/libs/gui/include/gui/ISurfaceComposer.h b/libs/gui/include/gui/ISurfaceComposer.h
index b226742..13e7473 100644
--- a/libs/gui/include/gui/ISurfaceComposer.h
+++ b/libs/gui/include/gui/ISurfaceComposer.h
@@ -174,6 +174,10 @@
bool useIdentityTransform,
Rotation rotation = eRotateNone) = 0;
+ virtual status_t captureLayers(const sp<IBinder>& layerHandleBinder,
+ const sp<IGraphicBufferProducer>& producer,
+ Rotation rotation = eRotateNone) = 0;
+
/* Clears the frame statistics for animations.
*
* Requires the ACCESS_SURFACE_FLINGER permission.
@@ -226,6 +230,7 @@
SET_ACTIVE_CONFIG,
CONNECT_DISPLAY,
CAPTURE_SCREEN,
+ CAPTURE_LAYERS,
CLEAR_ANIMATION_FRAME_STATS,
GET_ANIMATION_FRAME_STATS,
SET_POWER_MODE,
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 00d5936..d63dafe 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -297,6 +297,9 @@
bool useIdentityTransform,
uint32_t rotation,
sp<GraphicBuffer>* outbuffer);
+ static status_t captureLayers(const sp<IBinder>& layerHandle,
+ const sp<IGraphicBufferProducer>& producer, uint32_t rotation);
+
private:
mutable sp<CpuConsumer> mCpuConsumer;
mutable sp<IGraphicBufferProducer> mProducer;