113 lines
3.7 KiB
C++
113 lines
3.7 KiB
C++
/*
|
|
* 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
|
|
};
|
|
|
|
class BpSurfaceComposerClient : public BpInterface<ISurfaceComposerClient>
|
|
{
|
|
public:
|
|
BpSurfaceComposerClient(const sp<IBinder>& impl)
|
|
: BpInterface<ISurfaceComposerClient>(impl) {
|
|
}
|
|
|
|
virtual status_t createSurface(const String8& name, uint32_t w,
|
|
uint32_t h, PixelFormat format, uint32_t flags,
|
|
sp<IBinder>* handle,
|
|
sp<IGraphicBufferProducer>* gbp) {
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
|
|
data.writeString8(name);
|
|
data.writeInt32(w);
|
|
data.writeInt32(h);
|
|
data.writeInt32(format);
|
|
data.writeInt32(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();
|
|
}
|
|
};
|
|
|
|
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 w = data.readInt32();
|
|
uint32_t h = data.readInt32();
|
|
PixelFormat format = data.readInt32();
|
|
uint32_t flags = data.readInt32();
|
|
sp<IBinder> handle;
|
|
sp<IGraphicBufferProducer> gbp;
|
|
status_t result = createSurface(name, w, h, format, flags,
|
|
&handle, &gbp);
|
|
reply->writeStrongBinder(handle);
|
|
reply->writeStrongBinder(gbp != NULL ? gbp->asBinder() : NULL);
|
|
reply->writeInt32(result);
|
|
return NO_ERROR;
|
|
} break;
|
|
case DESTROY_SURFACE: {
|
|
CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
|
|
reply->writeInt32( destroySurface( data.readStrongBinder() ) );
|
|
return NO_ERROR;
|
|
} break;
|
|
default:
|
|
return BBinder::onTransact(code, data, reply, flags);
|
|
}
|
|
}
|
|
|
|
}; // namespace android
|