320 lines
11 KiB
C++
320 lines
11 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 <binder/Parcel.h>
|
|
#include <binder/IMemory.h>
|
|
#include <binder/IPCThreadState.h>
|
|
#include <binder/IServiceManager.h>
|
|
|
|
#include <gui/BitTube.h>
|
|
#include <gui/IDisplayEventConnection.h>
|
|
#include <gui/ISurfaceComposer.h>
|
|
#include <gui/ISurfaceTexture.h>
|
|
|
|
#include <private/gui/LayerState.h>
|
|
|
|
#include <ui/DisplayInfo.h>
|
|
|
|
#include <utils/Log.h>
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
namespace android {
|
|
|
|
class IDisplayEventConnection;
|
|
|
|
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<IGraphicBufferAlloc> createGraphicBufferAlloc()
|
|
{
|
|
uint32_t n;
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
|
|
remote()->transact(BnSurfaceComposer::CREATE_GRAPHIC_BUFFER_ALLOC, data, &reply);
|
|
return interface_cast<IGraphicBufferAlloc>(reply.readStrongBinder());
|
|
}
|
|
|
|
virtual void setTransactionState(
|
|
const Vector<ComposerState>& state,
|
|
const Vector<DisplayState>& displays,
|
|
uint32_t flags)
|
|
{
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
|
|
{
|
|
Vector<ComposerState>::const_iterator b(state.begin());
|
|
Vector<ComposerState>::const_iterator e(state.end());
|
|
data.writeInt32(state.size());
|
|
for ( ; b != e ; ++b ) {
|
|
b->write(data);
|
|
}
|
|
}
|
|
{
|
|
Vector<DisplayState>::const_iterator b(displays.begin());
|
|
Vector<DisplayState>::const_iterator e(displays.end());
|
|
data.writeInt32(displays.size());
|
|
for ( ; b != e ; ++b ) {
|
|
b->write(data);
|
|
}
|
|
}
|
|
data.writeInt32(flags);
|
|
remote()->transact(BnSurfaceComposer::SET_TRANSACTION_STATE, data, &reply);
|
|
}
|
|
|
|
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,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ)
|
|
{
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
|
|
data.writeInt32(dpy);
|
|
data.writeInt32(reqWidth);
|
|
data.writeInt32(reqHeight);
|
|
data.writeInt32(minLayerZ);
|
|
data.writeInt32(maxLayerZ);
|
|
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 bool authenticateSurfaceTexture(
|
|
const sp<ISurfaceTexture>& surfaceTexture) const
|
|
{
|
|
Parcel data, reply;
|
|
int err = NO_ERROR;
|
|
err = data.writeInterfaceToken(
|
|
ISurfaceComposer::getInterfaceDescriptor());
|
|
if (err != NO_ERROR) {
|
|
ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing "
|
|
"interface descriptor: %s (%d)", strerror(-err), -err);
|
|
return false;
|
|
}
|
|
err = data.writeStrongBinder(surfaceTexture->asBinder());
|
|
if (err != NO_ERROR) {
|
|
ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error writing "
|
|
"strong binder to parcel: %s (%d)", strerror(-err), -err);
|
|
return false;
|
|
}
|
|
err = remote()->transact(BnSurfaceComposer::AUTHENTICATE_SURFACE, data,
|
|
&reply);
|
|
if (err != NO_ERROR) {
|
|
ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error "
|
|
"performing transaction: %s (%d)", strerror(-err), -err);
|
|
return false;
|
|
}
|
|
int32_t result = 0;
|
|
err = reply.readInt32(&result);
|
|
if (err != NO_ERROR) {
|
|
ALOGE("ISurfaceComposer::authenticateSurfaceTexture: error "
|
|
"retrieving result: %s (%d)", strerror(-err), -err);
|
|
return false;
|
|
}
|
|
return result != 0;
|
|
}
|
|
|
|
virtual sp<IDisplayEventConnection> createDisplayEventConnection()
|
|
{
|
|
Parcel data, reply;
|
|
sp<IDisplayEventConnection> result;
|
|
int err = data.writeInterfaceToken(
|
|
ISurfaceComposer::getInterfaceDescriptor());
|
|
if (err != NO_ERROR) {
|
|
return result;
|
|
}
|
|
err = remote()->transact(
|
|
BnSurfaceComposer::CREATE_DISPLAY_EVENT_CONNECTION,
|
|
data, &reply);
|
|
if (err != NO_ERROR) {
|
|
ALOGE("ISurfaceComposer::createDisplayEventConnection: error performing "
|
|
"transaction: %s (%d)", strerror(-err), -err);
|
|
return result;
|
|
}
|
|
result = interface_cast<IDisplayEventConnection>(reply.readStrongBinder());
|
|
return result;
|
|
}
|
|
|
|
virtual void blank()
|
|
{
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
|
|
remote()->transact(BnSurfaceComposer::BLANK, data, &reply);
|
|
}
|
|
|
|
virtual void unblank()
|
|
{
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
|
|
remote()->transact(BnSurfaceComposer::UNBLANK, data, &reply);
|
|
}
|
|
|
|
virtual status_t getDisplayInfo(DisplayID dpy, DisplayInfo* info)
|
|
{
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
|
|
data.writeInt32(dpy);
|
|
remote()->transact(BnSurfaceComposer::GET_DISPLAY_INFO, data, &reply);
|
|
memcpy(info, reply.readInplace(sizeof(DisplayInfo)), sizeof(DisplayInfo));
|
|
return reply.readInt32();
|
|
}
|
|
|
|
|
|
virtual void connectDisplay(const sp<ISurfaceTexture> display) {
|
|
Parcel data, reply;
|
|
data.writeInterfaceToken(ISurfaceComposer::getInterfaceDescriptor());
|
|
data.writeStrongBinder(display->asBinder());
|
|
remote()->transact(BnSurfaceComposer::CONNECT_DISPLAY, data, &reply);
|
|
}
|
|
};
|
|
|
|
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_GRAPHIC_BUFFER_ALLOC: {
|
|
CHECK_INTERFACE(ISurfaceComposer, data, reply);
|
|
sp<IBinder> b = createGraphicBufferAlloc()->asBinder();
|
|
reply->writeStrongBinder(b);
|
|
} break;
|
|
case SET_TRANSACTION_STATE: {
|
|
CHECK_INTERFACE(ISurfaceComposer, data, reply);
|
|
size_t count = data.readInt32();
|
|
ComposerState s;
|
|
Vector<ComposerState> state;
|
|
state.setCapacity(count);
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
s.read(data);
|
|
state.add(s);
|
|
}
|
|
count = data.readInt32();
|
|
DisplayState d;
|
|
Vector<DisplayState> displays;
|
|
displays.setCapacity(count);
|
|
for (size_t i=0 ; i<count ; i++) {
|
|
d.read(data);
|
|
displays.add(d);
|
|
}
|
|
uint32_t flags = data.readInt32();
|
|
setTransactionState(state, displays, flags);
|
|
} break;
|
|
case BOOT_FINISHED: {
|
|
CHECK_INTERFACE(ISurfaceComposer, data, reply);
|
|
bootFinished();
|
|
} break;
|
|
case CAPTURE_SCREEN: {
|
|
CHECK_INTERFACE(ISurfaceComposer, data, reply);
|
|
DisplayID dpy = data.readInt32();
|
|
uint32_t reqWidth = data.readInt32();
|
|
uint32_t reqHeight = data.readInt32();
|
|
uint32_t minLayerZ = data.readInt32();
|
|
uint32_t maxLayerZ = data.readInt32();
|
|
sp<IMemoryHeap> heap;
|
|
uint32_t w, h;
|
|
PixelFormat f;
|
|
status_t res = captureScreen(dpy, &heap, &w, &h, &f,
|
|
reqWidth, reqHeight, minLayerZ, maxLayerZ);
|
|
reply->writeStrongBinder(heap->asBinder());
|
|
reply->writeInt32(w);
|
|
reply->writeInt32(h);
|
|
reply->writeInt32(f);
|
|
reply->writeInt32(res);
|
|
} break;
|
|
case AUTHENTICATE_SURFACE: {
|
|
CHECK_INTERFACE(ISurfaceComposer, data, reply);
|
|
sp<ISurfaceTexture> surfaceTexture =
|
|
interface_cast<ISurfaceTexture>(data.readStrongBinder());
|
|
int32_t result = authenticateSurfaceTexture(surfaceTexture) ? 1 : 0;
|
|
reply->writeInt32(result);
|
|
} break;
|
|
case CREATE_DISPLAY_EVENT_CONNECTION: {
|
|
CHECK_INTERFACE(ISurfaceComposer, data, reply);
|
|
sp<IDisplayEventConnection> connection(createDisplayEventConnection());
|
|
reply->writeStrongBinder(connection->asBinder());
|
|
return NO_ERROR;
|
|
} break;
|
|
case BLANK: {
|
|
CHECK_INTERFACE(ISurfaceComposer, data, reply);
|
|
blank();
|
|
} break;
|
|
case UNBLANK: {
|
|
CHECK_INTERFACE(ISurfaceComposer, data, reply);
|
|
unblank();
|
|
} break;
|
|
case GET_DISPLAY_INFO: {
|
|
CHECK_INTERFACE(ISurfaceComposer, data, reply);
|
|
DisplayInfo info;
|
|
DisplayID dpy = data.readInt32();
|
|
status_t result = getDisplayInfo(dpy, &info);
|
|
memcpy(reply->writeInplace(sizeof(DisplayInfo)), &info, sizeof(DisplayInfo));
|
|
reply->writeInt32(result);
|
|
} break;
|
|
case CONNECT_DISPLAY: {
|
|
CHECK_INTERFACE(ISurfaceComposer, data, reply);
|
|
sp<ISurfaceTexture> surfaceTexture =
|
|
interface_cast<ISurfaceTexture>(data.readStrongBinder());
|
|
connectDisplay(surfaceTexture);
|
|
} break;
|
|
default:
|
|
return BBinder::onTransact(code, data, reply, flags);
|
|
}
|
|
return NO_ERROR;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
};
|