blob: ca9ed5b545d03f1975680ecb3ec8c4a26ebeb24d [file] [log] [blame]
/*
* 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/ISurface.h>
#include <gui/ISurfaceComposerClient.h>
#include <private/gui/LayerState.h>
// ---------------------------------------------------------------------------
namespace android {
enum {
CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION,
DESTROY_SURFACE
};
class BpSurfaceComposerClient : public BpInterface<ISurfaceComposerClient>
{
public:
BpSurfaceComposerClient(const sp<IBinder>& impl)
: BpInterface<ISurfaceComposerClient>(impl)
{
}
virtual sp<ISurface> createSurface( surface_data_t* params,
const String8& name,
DisplayID display,
uint32_t w,
uint32_t h,
PixelFormat format,
uint32_t flags)
{
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
data.writeString8(name);
data.writeInt32(display);
data.writeInt32(w);
data.writeInt32(h);
data.writeInt32(format);
data.writeInt32(flags);
remote()->transact(CREATE_SURFACE, data, &reply);
params->readFromParcel(reply);
return interface_cast<ISurface>(reply.readStrongBinder());
}
virtual status_t destroySurface(SurfaceID sid)
{
Parcel data, reply;
data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
data.writeInt32(sid);
remote()->transact(DESTROY_SURFACE, data, &reply);
return reply.readInt32();
}
};
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);
surface_data_t params;
String8 name = data.readString8();
DisplayID display = data.readInt32();
uint32_t w = data.readInt32();
uint32_t h = data.readInt32();
PixelFormat format = data.readInt32();
uint32_t flags = data.readInt32();
sp<ISurface> s = createSurface(&params, name, display, w, h,
format, flags);
params.writeToParcel(reply);
reply->writeStrongBinder(s->asBinder());
return NO_ERROR;
} break;
case DESTROY_SURFACE: {
CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
reply->writeInt32( destroySurface( data.readInt32() ) );
return NO_ERROR;
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
// ----------------------------------------------------------------------
status_t ISurfaceComposerClient::surface_data_t::readFromParcel(const Parcel& parcel)
{
token = parcel.readInt32();
identity = parcel.readInt32();
return NO_ERROR;
}
status_t ISurfaceComposerClient::surface_data_t::writeToParcel(Parcel* parcel) const
{
parcel->writeInt32(token);
parcel->writeInt32(identity);
return NO_ERROR;
}
}; // namespace android