SurfaceControl: Add getTransformToDisplayInverse
For seamless rotation, the window manager needs
access to this flag, as it will apply the inverse
display transform itself to all other windows.
Bug: 28823590
Change-Id: Ifeee1078a9cb4cd01c8052570c137c6228b2f13d
diff --git a/libs/gui/ISurfaceComposerClient.cpp b/libs/gui/ISurfaceComposerClient.cpp
index 2ecb908..dd5b169 100644
--- a/libs/gui/ISurfaceComposerClient.cpp
+++ b/libs/gui/ISurfaceComposerClient.cpp
@@ -41,7 +41,8 @@
CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION,
DESTROY_SURFACE,
CLEAR_LAYER_FRAME_STATS,
- GET_LAYER_FRAME_STATS
+ GET_LAYER_FRAME_STATS,
+ GET_TRANSFORM_TO_DISPLAY_INVERSE
};
class BpSurfaceComposerClient : public BpInterface<ISurfaceComposerClient>
@@ -94,6 +95,35 @@
reply.read(*outStats);
return reply.readInt32();
}
+
+ virtual status_t getTransformToDisplayInverse(const sp<IBinder>& handle,
+ bool* outTransformToDisplayInverse) const {
+ Parcel data, reply;
+ status_t result =
+ data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
+ if (result != NO_ERROR) {
+ return result;
+ }
+ result = data.writeStrongBinder(handle);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ result = remote()->transact(GET_TRANSFORM_TO_DISPLAY_INVERSE, data, &reply);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ int transformInverse;
+ result = reply.readInt32(&transformInverse);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ *outTransformToDisplayInverse = transformInverse != 0 ? true : false;
+ status_t result2 = reply.readInt32(&result);
+ if (result2 != NO_ERROR) {
+ return result2;
+ }
+ return result;
+ }
};
// Out-of-line virtual method definition to trigger vtable emission in this
@@ -145,6 +175,25 @@
reply->writeInt32(result);
return NO_ERROR;
}
+ case GET_TRANSFORM_TO_DISPLAY_INVERSE: {
+ CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
+ sp<IBinder> handle;
+ status_t result = data.readStrongBinder(&handle);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ bool transformInverse = false;
+ result = getTransformToDisplayInverse(handle, &transformInverse);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ result = reply->writeInt32(transformInverse ? 1 : 0);
+ if (result != NO_ERROR) {
+ return result;
+ }
+ result = reply->writeInt32(NO_ERROR);
+ return result;
+ }
default:
return BBinder::onTransact(code, data, reply, flags);
}