auto import from //depot/cupcake/@135843
diff --git a/libs/ui/ISurfaceComposer.cpp b/libs/ui/ISurfaceComposer.cpp
new file mode 100644
index 0000000..0fea6f9
--- /dev/null
+++ b/libs/ui/ISurfaceComposer.cpp
@@ -0,0 +1,277 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// tag as surfaceflinger
+#define LOG_TAG "SurfaceFlinger"
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/Parcel.h>
+#include <utils/IMemory.h>
+#include <utils/IPCThreadState.h>
+#include <utils/IServiceManager.h>
+
+#include <ui/ISurfaceComposer.h>
+#include <ui/DisplayInfo.h>
+
+// ---------------------------------------------------------------------------
+
+#define LIKELY( exp ) (__builtin_expect( (exp) != 0, true ))
+#define UNLIKELY( exp ) (__builtin_expect( (exp) != 0, false ))
+
+// ---------------------------------------------------------------------------
+
+namespace android {
+
+class BpSurfaceComposer : public BpInterface<ISurfaceComposer>
+{
+public:
+ BpSurfaceComposer(const sp<IBinder>& impl)
+ : BpInterface<ISurfaceComposer>(impl)
+ {
+ }
+
+ virtual sp<ISurfaceFlingerClient> createConnection()
+ {
+ uint32_t n;
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply);
+ return interface_cast<ISurfaceFlingerClient>(reply.readStrongBinder());
+ }
+
+ virtual sp<IMemory> getCblk() const
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ remote()->transact(BnSurfaceComposer::GET_CBLK, data, &reply);
+ return interface_cast<IMemory>(reply.readStrongBinder());
+ }
+
+ virtual void openGlobalTransaction()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ remote()->transact(BnSurfaceComposer::OPEN_GLOBAL_TRANSACTION, data, &reply);
+ }
+
+ virtual void closeGlobalTransaction()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ remote()->transact(BnSurfaceComposer::CLOSE_GLOBAL_TRANSACTION, data, &reply);
+ }
+
+ virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ data.writeInt32(dpy);
+ data.writeInt32(flags);
+ remote()->transact(BnSurfaceComposer::FREEZE_DISPLAY, data, &reply);
+ return reply.readInt32();
+ }
+
+ virtual status_t unfreezeDisplay(DisplayID dpy, uint32_t flags)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ data.writeInt32(dpy);
+ data.writeInt32(flags);
+ remote()->transact(BnSurfaceComposer::UNFREEZE_DISPLAY, data, &reply);
+ return reply.readInt32();
+ }
+
+ virtual int setOrientation(DisplayID dpy, int orientation)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ data.writeInt32(dpy);
+ data.writeInt32(orientation);
+ remote()->transact(BnSurfaceComposer::SET_ORIENTATION, data, &reply);
+ return reply.readInt32();
+ }
+
+ virtual void bootFinished()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ remote()->transact(BnSurfaceComposer::BOOT_FINISHED, data, &reply);
+ }
+
+ virtual status_t requestGPU(
+ const sp<IGPUCallback>& callback, gpu_info_t* gpu)
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ data.writeStrongBinder(callback->asBinder());
+ remote()->transact(BnSurfaceComposer::REQUEST_GPU, data, &reply);
+ gpu->regs = interface_cast<IMemory>(reply.readStrongBinder());
+ gpu->count = reply.readInt32();
+
+ // FIXME: for now, we don't dynamically allocate the regions array
+ size_t maxCount = sizeof(gpu->regions)/sizeof(*gpu->regions);
+ if (gpu->count > maxCount)
+ return BAD_VALUE;
+
+ for (size_t i=0 ; i<gpu->count ; i++) {
+ gpu->regions[i].region = interface_cast<IMemory>(reply.readStrongBinder());
+ gpu->regions[i].reserved = reply.readInt32();
+ }
+ return reply.readInt32();
+ }
+
+ virtual status_t revokeGPU()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ remote()->transact(BnSurfaceComposer::REVOKE_GPU, data, &reply);
+ return reply.readInt32();
+ }
+
+ virtual void signal() const
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
+ remote()->transact(BnSurfaceComposer::SIGNAL, data, &reply, IBinder::FLAG_ONEWAY);
+ }
+};
+
+IMPLEMENT_META_INTERFACE(SurfaceComposer, "android.ui.ISurfaceComposer");
+
+// ----------------------------------------------------------------------
+
+#define CHECK_INTERFACE(interface, data, reply) \
+ do { if (!data.enforceInterface(interface::getInterfaceDescriptor())) { \
+ LOGW("Call incorrectly routed to " #interface); \
+ return PERMISSION_DENIED; \
+ } } while (0)
+
+status_t BnSurfaceComposer::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ status_t err = BnInterface<ISurfaceComposer>::onTransact(code, data, reply, flags);
+ if (err == NO_ERROR)
+ return err;
+
+ CHECK_INTERFACE(ISurfaceComposer, data, reply);
+
+ switch(code) {
+ case CREATE_CONNECTION: {
+ sp<IBinder> b = createConnection()->asBinder();
+ reply->writeStrongBinder(b);
+ } break;
+ case OPEN_GLOBAL_TRANSACTION: {
+ openGlobalTransaction();
+ } break;
+ case CLOSE_GLOBAL_TRANSACTION: {
+ closeGlobalTransaction();
+ } break;
+ case SET_ORIENTATION: {
+ DisplayID dpy = data.readInt32();
+ int orientation = data.readInt32();
+ reply->writeInt32( setOrientation(dpy, orientation) );
+ } break;
+ case FREEZE_DISPLAY: {
+ DisplayID dpy = data.readInt32();
+ uint32_t flags = data.readInt32();
+ reply->writeInt32( freezeDisplay(dpy, flags) );
+ } break;
+ case UNFREEZE_DISPLAY: {
+ DisplayID dpy = data.readInt32();
+ uint32_t flags = data.readInt32();
+ reply->writeInt32( unfreezeDisplay(dpy, flags) );
+ } break;
+ case BOOT_FINISHED: {
+ bootFinished();
+ } break;
+ case REVOKE_GPU: {
+ reply->writeInt32( revokeGPU() );
+ } break;
+ case SIGNAL: {
+ signal();
+ } break;
+ case GET_CBLK: {
+ sp<IBinder> b = getCblk()->asBinder();
+ reply->writeStrongBinder(b);
+ } break;
+ case REQUEST_GPU: {
+ // TODO: this should be protected by a permission
+ gpu_info_t info;
+ sp<IGPUCallback> callback
+ = interface_cast<IGPUCallback>(data.readStrongBinder());
+ status_t res = requestGPU(callback, &info);
+
+ // FIXME: for now, we don't dynamically allocate the regions array
+ size_t maxCount = sizeof(info.regions)/sizeof(*info.regions);
+ if (info.count > maxCount)
+ return BAD_VALUE;
+
+ reply->writeStrongBinder(info.regs->asBinder());
+ reply->writeInt32(info.count);
+ for (size_t i=0 ; i<info.count ; i++) {
+ reply->writeStrongBinder(info.regions[i].region->asBinder());
+ reply->writeInt32(info.regions[i].reserved);
+ }
+ reply->writeInt32(res);
+ } break;
+ default:
+ return UNKNOWN_TRANSACTION;
+ }
+ return NO_ERROR;
+}
+
+// ----------------------------------------------------------------------------
+
+enum {
+ // Note: BOOT_FINISHED must remain this value, it is called by ActivityManagerService.
+ GPU_LOST = IBinder::FIRST_CALL_TRANSACTION
+};
+
+class BpGPUCallback : public BpInterface<IGPUCallback>
+{
+public:
+ BpGPUCallback(const sp<IBinder>& impl)
+ : BpInterface<IGPUCallback>(impl)
+ {
+ }
+
+ virtual void gpuLost()
+ {
+ Parcel data, reply;
+ data.writeInterfaceToken(IGPUCallback::getInterfaceDescriptor());
+ remote()->transact(GPU_LOST, data, &reply, IBinder::FLAG_ONEWAY);
+ }
+};
+
+IMPLEMENT_META_INTERFACE(GPUCallback, "android.ui.IGPUCallback");
+
+status_t BnGPUCallback::onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
+{
+ switch(code) {
+ case GPU_LOST: {
+ CHECK_INTERFACE(IGPUCallback, data, reply);
+ gpuLost();
+ return NO_ERROR;
+ } break;
+ default:
+ return BBinder::onTransact(code, data, reply, flags);
+ }
+}
+
+};