148 lines
5.1 KiB
C++
148 lines
5.1 KiB
C++
/*
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* Copyright (C) 2007 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// tag as surfaceflinger
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#define LOG_TAG "SurfaceFlinger"
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#include <stdio.h>
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#include <stdint.h>
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#include <sys/types.h>
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#include <binder/Parcel.h>
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#include <binder/IMemory.h>
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#include <binder/IPCThreadState.h>
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#include <binder/IServiceManager.h>
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#include <ui/Point.h>
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#include <ui/Rect.h>
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#include <gui/IGraphicBufferProducer.h>
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#include <gui/ISurfaceComposerClient.h>
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#include <private/gui/LayerState.h>
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// ---------------------------------------------------------------------------
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namespace android {
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enum {
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CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION,
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DESTROY_SURFACE,
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CLEAR_LAYER_FRAME_STATS,
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GET_LAYER_FRAME_STATS
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};
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class BpSurfaceComposerClient : public BpInterface<ISurfaceComposerClient>
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{
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public:
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BpSurfaceComposerClient(const sp<IBinder>& impl)
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: BpInterface<ISurfaceComposerClient>(impl) {
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}
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virtual status_t createSurface(const String8& name, uint32_t w,
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uint32_t h, PixelFormat format, uint32_t flags,
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sp<IBinder>* handle,
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sp<IGraphicBufferProducer>* gbp) {
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
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data.writeString8(name);
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data.writeInt32(w);
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data.writeInt32(h);
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data.writeInt32(format);
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data.writeInt32(flags);
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remote()->transact(CREATE_SURFACE, data, &reply);
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*handle = reply.readStrongBinder();
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*gbp = interface_cast<IGraphicBufferProducer>(reply.readStrongBinder());
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return reply.readInt32();
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}
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virtual status_t destroySurface(const sp<IBinder>& handle) {
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
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data.writeStrongBinder(handle);
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remote()->transact(DESTROY_SURFACE, data, &reply);
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return reply.readInt32();
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}
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virtual status_t clearLayerFrameStats(const sp<IBinder>& handle) const {
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
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data.writeStrongBinder(handle);
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remote()->transact(CLEAR_LAYER_FRAME_STATS, data, &reply);
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return reply.readInt32();
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}
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virtual status_t getLayerFrameStats(const sp<IBinder>& handle, FrameStats* outStats) const {
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Parcel data, reply;
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data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor());
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data.writeStrongBinder(handle);
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remote()->transact(GET_LAYER_FRAME_STATS, data, &reply);
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reply.read(*outStats);
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return reply.readInt32();
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}
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};
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IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient");
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// ----------------------------------------------------------------------
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status_t BnSurfaceComposerClient::onTransact(
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uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
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{
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switch(code) {
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case CREATE_SURFACE: {
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CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
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String8 name = data.readString8();
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uint32_t w = data.readInt32();
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uint32_t h = data.readInt32();
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PixelFormat format = data.readInt32();
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uint32_t flags = data.readInt32();
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sp<IBinder> handle;
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sp<IGraphicBufferProducer> gbp;
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status_t result = createSurface(name, w, h, format, flags,
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&handle, &gbp);
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reply->writeStrongBinder(handle);
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reply->writeStrongBinder(gbp != NULL ? gbp->asBinder() : NULL);
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reply->writeInt32(result);
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return NO_ERROR;
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} break;
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case DESTROY_SURFACE: {
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CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
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reply->writeInt32(destroySurface( data.readStrongBinder() ) );
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return NO_ERROR;
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} break;
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case CLEAR_LAYER_FRAME_STATS: {
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CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
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sp<IBinder> handle = data.readStrongBinder();
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status_t result = clearLayerFrameStats(handle);
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reply->writeInt32(result);
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return NO_ERROR;
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} break;
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case GET_LAYER_FRAME_STATS: {
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CHECK_INTERFACE(ISurfaceComposerClient, data, reply);
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sp<IBinder> handle = data.readStrongBinder();
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FrameStats stats;
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status_t result = getLayerFrameStats(handle, &stats);
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reply->write(stats);
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reply->writeInt32(result);
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return NO_ERROR;
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} break;
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default:
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return BBinder::onTransact(code, data, reply, flags);
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}
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}
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}; // namespace android
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