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/*
* 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 <binder/Parcel.h>
#include <binder/IMemory.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <ui/DisplayInfo.h>
#include <surfaceflinger/ISurfaceComposer.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<ISurfaceComposerClient> createConnection()
{
uint32_t n;
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
remote()->transact(BnSurfaceComposer::CREATE_CONNECTION, data, &reply);
return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
}
virtual sp<ISurfaceComposerClient> createClientConnection()
{
uint32_t n;
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
remote()->transact(BnSurfaceComposer::CREATE_CLIENT_CONNECTION, data, &reply);
return interface_cast<ISurfaceComposerClient>(reply.readStrongBinder());
}
virtual sp<IMemoryHeap> getCblk() const
{
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
remote()->transact(BnSurfaceComposer::GET_CBLK, data, &reply);
return interface_cast<IMemoryHeap>(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, uint32_t flags)
{
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
data.writeInt32(dpy);
data.writeInt32(orientation);
data.writeInt32(flags);
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 captureScreen(DisplayID dpy,
sp<IMemoryHeap>* heap,
uint32_t* width, uint32_t* height, PixelFormat* format,
uint32_t reqWidth, uint32_t reqHeight)
{
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
data.writeInt32(dpy);
data.writeInt32(reqWidth);
data.writeInt32(reqHeight);
remote()->transact(BnSurfaceComposer::CAPTURE_SCREEN, data, &reply);
*heap = interface_cast<IMemoryHeap>(reply.readStrongBinder());
*width = reply.readInt32();
*height = reply.readInt32();
*format = reply.readInt32();
return reply.readInt32();
}
virtual status_t turnElectronBeamOff(int32_t mode)
{
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
data.writeInt32(mode);
remote()->transact(BnSurfaceComposer::TURN_ELECTRON_BEAM_OFF, 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");
// ----------------------------------------------------------------------
status_t BnSurfaceComposer::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case CREATE_CONNECTION: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> b = createConnection()->asBinder();
reply->writeStrongBinder(b);
} break;
case CREATE_CLIENT_CONNECTION: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> b = createClientConnection()->asBinder();
reply->writeStrongBinder(b);
} break;
case OPEN_GLOBAL_TRANSACTION: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
openGlobalTransaction();
} break;
case CLOSE_GLOBAL_TRANSACTION: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
closeGlobalTransaction();
} break;
case SET_ORIENTATION: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
DisplayID dpy = data.readInt32();
int orientation = data.readInt32();
uint32_t flags = data.readInt32();
reply->writeInt32( setOrientation(dpy, orientation, flags) );
} break;
case FREEZE_DISPLAY: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
DisplayID dpy = data.readInt32();
uint32_t flags = data.readInt32();
reply->writeInt32( freezeDisplay(dpy, flags) );
} break;
case UNFREEZE_DISPLAY: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
DisplayID dpy = data.readInt32();
uint32_t flags = data.readInt32();
reply->writeInt32( unfreezeDisplay(dpy, flags) );
} break;
case BOOT_FINISHED: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
bootFinished();
} break;
case SIGNAL: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
signal();
} break;
case GET_CBLK: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> b = getCblk()->asBinder();
reply->writeStrongBinder(b);
} break;
case CAPTURE_SCREEN: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
DisplayID dpy = data.readInt32();
uint32_t reqWidth = data.readInt32();
uint32_t reqHeight = data.readInt32();
sp<IMemoryHeap> heap;
uint32_t w, h;
PixelFormat f;
status_t res = captureScreen(dpy, &heap, &w, &h, &f,
reqWidth, reqHeight);
reply->writeStrongBinder(heap->asBinder());
reply->writeInt32(w);
reply->writeInt32(h);
reply->writeInt32(f);
reply->writeInt32(res);
} break;
case TURN_ELECTRON_BEAM_OFF: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
int32_t mode = data.readInt32();
status_t res = turnElectronBeamOff(mode);
reply->writeInt32(res);
}
default:
return BBinder::onTransact(code, data, reply, flags);
}
return NO_ERROR;
}
// ----------------------------------------------------------------------------
};
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