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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 <stdio.h>
#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/Point.h>
#include <ui/Rect.h>
#include <gui/IGraphicBufferProducer.h>
#include <gui/ISurfaceComposerClient.h>
#include <private/gui/LayerState.h>
// ---------------------------------------------------------------------------
namespace android {
enum {
CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION,
DESTROY_SURFACE,
CLEAR_LAYER_FRAME_STATS,
GET_LAYER_FRAME_STATS
};
class BpSurfaceComposerClient : public BpInterface<ISurfaceComposerClient>
{
public:
BpSurfaceComposerClient(const sp<IBinder>& impl)
: BpInterface<ISurfaceComposerClient>(impl) {
}
virtual ~BpSurfaceComposerClient();
virtual status_t createSurface(const String8& name, uint32_t width,
uint32_t height, PixelFormat format, uint32_t flags,
sp<IBinder>* handle,
sp<IGraphicBufferProducer>* gbp) {
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
data.writeString8(name);
data.writeUint32(width);
data.writeUint32(height);
data.writeInt32(static_cast<int32_t>(format));
data.writeUint32(flags);
remote()->transact(CREATE_SURFACE, data, &reply);
*handle = reply.readStrongBinder();
*gbp = interface_cast<IGraphicBufferProducer>(reply.readStrongBinder());
return reply.readInt32();
}
virtual status_t destroySurface(const sp<IBinder>& handle) {
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
data.writeStrongBinder(handle);
remote()->transact(DESTROY_SURFACE, data, &reply);
return reply.readInt32();
}
virtual status_t clearLayerFrameStats(const sp<IBinder>& handle) const {
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
data.writeStrongBinder(handle);
remote()->transact(CLEAR_LAYER_FRAME_STATS, data, &reply);
return reply.readInt32();
}
virtual status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const {
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
data.writeStrongBinder(handle);
remote()->transact(GET_LAYER_FRAME_STATS, data, &reply);
reply.read(*outStats);
return reply.readInt32();
}
};
// Out-of-line virtual method definition to trigger vtable emission in this
// translation unit (see clang warning -Wweak-vtables)
BpSurfaceComposerClient::~BpSurfaceComposerClient() {}
IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient");
// ----------------------------------------------------------------------
status_t BnSurfaceComposerClient::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case CREATE_SURFACE: {
CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
String8 name = data.readString8();
uint32_t width = data.readUint32();
uint32_t height = data.readUint32();
PixelFormat format = static_cast<PixelFormat>(data.readInt32());
uint32_t createFlags = data.readUint32();
sp<IBinder> handle;
sp<IGraphicBufferProducer> gbp;
status_t result = createSurface(name, width, height, format,
createFlags, &handle, &gbp);
reply->writeStrongBinder(handle);
reply->writeStrongBinder(IInterface::asBinder(gbp));
reply->writeInt32(result);
return NO_ERROR;
}
case DESTROY_SURFACE: {
CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
reply->writeInt32(destroySurface( data.readStrongBinder() ) );
return NO_ERROR;
}
case CLEAR_LAYER_FRAME_STATS: {
CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
sp<IBinder> handle = data.readStrongBinder();
status_t result = clearLayerFrameStats(handle);
reply->writeInt32(result);
return NO_ERROR;
}
case GET_LAYER_FRAME_STATS: {
CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
sp<IBinder> handle = data.readStrongBinder();
FrameStats stats;
status_t result = getLayerFrameStats(handle, &stats);
reply->write(stats);
reply->writeInt32(result);
return NO_ERROR;
}
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
}; // namespace android
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