implement: "Add an ANativeWindow API for SurfaceFlinger to suggest an optimal buffer orientation"

Bug: 4487161
Change-Id: I883f34efe542c2a566d04966f873374f40c50092

1 files changed, 11 insertions, 2 deletions

diff --git a/libs/gui/ISurfaceTexture.cpp b/libs/gui/ISurfaceTexture.cpp
index b4b749280d..be90e2eec0 100644
--- a/libs/gui/ISurfaceTexture.cpp
+++ b/libs/gui/ISurfaceTexture.cpp
@@ -93,12 +93,16 @@ public:
         return result;
     }
 
-    virtual status_t queueBuffer(int buf, int64_t timestamp) {
+    virtual status_t queueBuffer(int buf, int64_t timestamp,
+            uint32_t* outWidth, uint32_t* outHeight, uint32_t* outTransform) {
         Parcel data, reply;
         data.writeInterfaceToken(ISurfaceTexture::getInterfaceDescriptor());
         data.writeInt32(buf);
         data.writeInt64(timestamp);
         remote()->transact(QUEUE_BUFFER, data, &reply);
+        *outWidth = reply.readInt32();
+        *outHeight = reply.readInt32();
+        *outTransform = reply.readInt32();
         status_t result = reply.readInt32();
         return result;
     }
@@ -226,7 +230,12 @@ status_t BnSurfaceTexture::onTransact(
             CHECK_INTERFACE(ISurfaceTexture, data, reply);
             int buf = data.readInt32();
             int64_t timestamp = data.readInt64();
-            status_t result = queueBuffer(buf, timestamp);
+            uint32_t outWidth, outHeight, outTransform;
+            status_t result = queueBuffer(buf, timestamp,
+                    &outWidth, &outHeight, &outTransform);
+            reply->writeInt32(outWidth);
+            reply->writeInt32(outHeight);
+            reply->writeInt32(outTransform);
             reply->writeInt32(result);
             return NO_ERROR;
         } break;