libgui: Enable -Weverything and -Werror

Enables -Weverything and -Werror, with just a few exceptions for
warnings we can't (or shouldn't need to) work around.

Change-Id: I034abec27bf4020d84af60d7acc1939c59986dd6
diff --git a/libs/gui/IGraphicBufferConsumer.cpp b/libs/gui/IGraphicBufferConsumer.cpp
index cc581a3..2602884 100644
--- a/libs/gui/IGraphicBufferConsumer.cpp
+++ b/libs/gui/IGraphicBufferConsumer.cpp
@@ -215,6 +215,8 @@
     {
     }
 
+    virtual ~BpGraphicBufferConsumer();
+
     virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen) {
         Parcel data, reply;
         data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
@@ -261,7 +263,7 @@
         Parcel data, reply;
         data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
         data.writeInt32(buf);
-        data.writeInt64(frameNumber);
+        data.writeInt64(static_cast<int64_t>(frameNumber));
         data.write(*releaseFence);
         status_t result = remote()->transact(RELEASE_BUFFER, data, &reply);
         if (result != NO_ERROR) {
@@ -303,15 +305,15 @@
         if (result != NO_ERROR) {
             return result;
         }
-        *slotMask = reply.readInt64();
+        *slotMask = static_cast<uint64_t>(reply.readInt64());
         return reply.readInt32();
     }
 
-    virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) {
+    virtual status_t setDefaultBufferSize(uint32_t width, uint32_t height) {
         Parcel data, reply;
         data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(w);
-        data.writeInt32(h);
+        data.writeUint32(width);
+        data.writeUint32(height);
         status_t result = remote()->transact(SET_DEFAULT_BUFFER_SIZE, data, &reply);
         if (result != NO_ERROR) {
             return result;
@@ -358,10 +360,10 @@
         remote()->transact(SET_CONSUMER_NAME, data, &reply);
     }
 
-    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat) {
+    virtual status_t setDefaultBufferFormat(PixelFormat defaultFormat) {
         Parcel data, reply;
         data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(defaultFormat);
+        data.writeInt32(static_cast<int32_t>(defaultFormat));
         status_t result = remote()->transact(SET_DEFAULT_BUFFER_FORMAT, data, &reply);
         if (result != NO_ERROR) {
             return result;
@@ -372,7 +374,7 @@
     virtual status_t setConsumerUsageBits(uint32_t usage) {
         Parcel data, reply;
         data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(usage);
+        data.writeUint32(usage);
         status_t result = remote()->transact(SET_CONSUMER_USAGE_BITS, data, &reply);
         if (result != NO_ERROR) {
             return result;
@@ -383,7 +385,7 @@
     virtual status_t setTransformHint(uint32_t hint) {
         Parcel data, reply;
         data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(hint);
+        data.writeUint32(hint);
         status_t result = remote()->transact(SET_TRANSFORM_HINT, data, &reply);
         if (result != NO_ERROR) {
             return result;
@@ -415,6 +417,10 @@
     }
 };
 
+// Out-of-line virtual method definition to trigger vtable emission in this
+// translation unit (see clang warning -Wweak-vtables)
+BpGraphicBufferConsumer::~BpGraphicBufferConsumer() {}
+
 IMPLEMENT_META_INTERFACE(GraphicBufferConsumer, "android.gui.IGraphicBufferConsumer");
 
 // ----------------------------------------------------------------------
@@ -432,14 +438,14 @@
             if (err) return err;
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case DETACH_BUFFER: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
             int slot = data.readInt32();
             int result = detachBuffer(slot);
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case ATTACH_BUFFER: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
             sp<GraphicBuffer> buffer = new GraphicBuffer();
@@ -449,11 +455,11 @@
             reply->writeInt32(slot);
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case RELEASE_BUFFER: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
             int buf = data.readInt32();
-            uint64_t frameNumber = data.readInt64();
+            uint64_t frameNumber = static_cast<uint64_t>(data.readInt64());
             sp<Fence> releaseFence = new Fence();
             status_t err = data.read(*releaseFence);
             if (err) return err;
@@ -461,7 +467,7 @@
                     EGL_NO_DISPLAY, EGL_NO_SYNC_KHR, releaseFence);
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case CONSUMER_CONNECT: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
             sp<IConsumerListener> consumer = IConsumerListener::asInterface( data.readStrongBinder() );
@@ -469,75 +475,75 @@
             status_t result = consumerConnect(consumer, controlledByApp);
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case CONSUMER_DISCONNECT: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
             status_t result = consumerDisconnect();
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case GET_RELEASED_BUFFERS: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
             uint64_t slotMask;
             status_t result = getReleasedBuffers(&slotMask);
-            reply->writeInt64(slotMask);
+            reply->writeInt64(static_cast<int64_t>(slotMask));
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case SET_DEFAULT_BUFFER_SIZE: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
-            uint32_t w = data.readInt32();
-            uint32_t h = data.readInt32();
-            status_t result = setDefaultBufferSize(w, h);
+            uint32_t width = data.readUint32();
+            uint32_t height = data.readUint32();
+            status_t result = setDefaultBufferSize(width, height);
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case SET_DEFAULT_MAX_BUFFER_COUNT: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
-            uint32_t bufferCount = data.readInt32();
+            int bufferCount = data.readInt32();
             status_t result = setDefaultMaxBufferCount(bufferCount);
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case DISABLE_ASYNC_BUFFER: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
             status_t result = disableAsyncBuffer();
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case SET_MAX_ACQUIRED_BUFFER_COUNT: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
-            uint32_t maxAcquiredBuffers = data.readInt32();
+            int maxAcquiredBuffers = data.readInt32();
             status_t result = setMaxAcquiredBufferCount(maxAcquiredBuffers);
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case SET_CONSUMER_NAME: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
             setConsumerName( data.readString8() );
             return NO_ERROR;
-        } break;
+        }
         case SET_DEFAULT_BUFFER_FORMAT: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
-            uint32_t defaultFormat = data.readInt32();
+            PixelFormat defaultFormat = static_cast<PixelFormat>(data.readInt32());
             status_t result = setDefaultBufferFormat(defaultFormat);
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case SET_CONSUMER_USAGE_BITS: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
-            uint32_t usage = data.readInt32();
+            uint32_t usage = data.readUint32();
             status_t result = setConsumerUsageBits(usage);
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case SET_TRANSFORM_HINT: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
-            uint32_t hint = data.readInt32();
+            uint32_t hint = data.readUint32();
             status_t result = setTransformHint(hint);
             reply->writeInt32(result);
             return NO_ERROR;
-        } break;
+        }
         case DUMP: {
             CHECK_INTERFACE(IGraphicBufferConsumer, data, reply);
             String8 result = data.readString8();