280 lines
9.2 KiB
C++
280 lines
9.2 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 <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, 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 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();
|
|
uint32_t flags = data.readInt32();
|
|
reply->writeInt32( setOrientation(dpy, orientation, flags) );
|
|
} 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);
|
|
}
|
|
}
|
|
|
|
};
|