687 lines
21 KiB
C++
687 lines
21 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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#define LOG_TAG "SurfaceComposerClient"
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/Errors.h>
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#include <utils/Log.h>
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#include <utils/Singleton.h>
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#include <utils/SortedVector.h>
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#include <utils/String8.h>
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#include <utils/threads.h>
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#include <binder/IMemory.h>
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#include <binder/IServiceManager.h>
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#include <ui/DisplayInfo.h>
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#include <gui/IGraphicBufferProducer.h>
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#include <gui/ISurfaceComposer.h>
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#include <gui/ISurfaceComposerClient.h>
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#include <gui/SurfaceComposerClient.h>
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#include <private/gui/ComposerService.h>
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#include <private/gui/LayerState.h>
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namespace android {
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// ---------------------------------------------------------------------------
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ANDROID_SINGLETON_STATIC_INSTANCE(ComposerService);
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ComposerService::ComposerService()
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: Singleton<ComposerService>() {
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Mutex::Autolock _l(mLock);
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connectLocked();
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}
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void ComposerService::connectLocked() {
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const String16 name("SurfaceFlinger");
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while (getService(name, &mComposerService) != NO_ERROR) {
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usleep(250000);
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}
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assert(mComposerService != NULL);
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// Create the death listener.
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class DeathObserver : public IBinder::DeathRecipient {
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ComposerService& mComposerService;
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virtual void binderDied(const wp<IBinder>& who) {
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ALOGW("ComposerService remote (surfaceflinger) died [%p]",
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who.unsafe_get());
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mComposerService.composerServiceDied();
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}
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public:
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DeathObserver(ComposerService& mgr) : mComposerService(mgr) { }
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};
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mDeathObserver = new DeathObserver(*const_cast<ComposerService*>(this));
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mComposerService->asBinder()->linkToDeath(mDeathObserver);
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}
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/*static*/ sp<ISurfaceComposer> ComposerService::getComposerService() {
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ComposerService& instance = ComposerService::getInstance();
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Mutex::Autolock _l(instance.mLock);
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if (instance.mComposerService == NULL) {
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ComposerService::getInstance().connectLocked();
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assert(instance.mComposerService != NULL);
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ALOGD("ComposerService reconnected");
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}
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return instance.mComposerService;
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}
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void ComposerService::composerServiceDied()
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{
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Mutex::Autolock _l(mLock);
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mComposerService = NULL;
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mDeathObserver = NULL;
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}
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// ---------------------------------------------------------------------------
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static inline
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int compare_type(const ComposerState& lhs, const ComposerState& rhs) {
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if (lhs.client < rhs.client) return -1;
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if (lhs.client > rhs.client) return 1;
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if (lhs.state.surface < rhs.state.surface) return -1;
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if (lhs.state.surface > rhs.state.surface) return 1;
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return 0;
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}
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static inline
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int compare_type(const DisplayState& lhs, const DisplayState& rhs) {
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return compare_type(lhs.token, rhs.token);
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}
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class Composer : public Singleton<Composer>
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{
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friend class Singleton<Composer>;
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mutable Mutex mLock;
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SortedVector<ComposerState> mComposerStates;
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SortedVector<DisplayState > mDisplayStates;
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uint32_t mForceSynchronous;
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uint32_t mTransactionNestCount;
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bool mAnimation;
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Composer() : Singleton<Composer>(),
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mForceSynchronous(0), mTransactionNestCount(0),
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mAnimation(false)
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{ }
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void openGlobalTransactionImpl();
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void closeGlobalTransactionImpl(bool synchronous);
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void setAnimationTransactionImpl();
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layer_state_t* getLayerStateLocked(
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const sp<SurfaceComposerClient>& client, const sp<IBinder>& id);
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DisplayState& getDisplayStateLocked(const sp<IBinder>& token);
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public:
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sp<IBinder> createDisplay(const String8& displayName, bool secure);
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sp<IBinder> getBuiltInDisplay(int32_t id);
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status_t setPosition(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
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float x, float y);
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status_t setSize(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
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uint32_t w, uint32_t h);
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status_t setLayer(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
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int32_t z);
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status_t setFlags(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
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uint32_t flags, uint32_t mask);
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status_t setTransparentRegionHint(
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const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
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const Region& transparentRegion);
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status_t setAlpha(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
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float alpha);
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status_t setMatrix(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
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float dsdx, float dtdx, float dsdy, float dtdy);
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status_t setOrientation(int orientation);
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status_t setCrop(const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
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const Rect& crop);
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status_t setLayerStack(const sp<SurfaceComposerClient>& client,
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const sp<IBinder>& id, uint32_t layerStack);
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void setDisplaySurface(const sp<IBinder>& token,
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const sp<IGraphicBufferProducer>& bufferProducer);
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void setDisplayLayerStack(const sp<IBinder>& token, uint32_t layerStack);
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void setDisplayProjection(const sp<IBinder>& token,
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uint32_t orientation,
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const Rect& layerStackRect,
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const Rect& displayRect);
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static void setAnimationTransaction() {
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Composer::getInstance().setAnimationTransactionImpl();
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}
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static void openGlobalTransaction() {
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Composer::getInstance().openGlobalTransactionImpl();
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}
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static void closeGlobalTransaction(bool synchronous) {
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Composer::getInstance().closeGlobalTransactionImpl(synchronous);
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}
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};
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ANDROID_SINGLETON_STATIC_INSTANCE(Composer);
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// ---------------------------------------------------------------------------
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sp<IBinder> Composer::createDisplay(const String8& displayName, bool secure) {
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return ComposerService::getComposerService()->createDisplay(displayName,
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secure);
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}
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sp<IBinder> Composer::getBuiltInDisplay(int32_t id) {
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return ComposerService::getComposerService()->getBuiltInDisplay(id);
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}
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void Composer::openGlobalTransactionImpl() {
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{ // scope for the lock
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Mutex::Autolock _l(mLock);
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mTransactionNestCount += 1;
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}
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}
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void Composer::closeGlobalTransactionImpl(bool synchronous) {
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sp<ISurfaceComposer> sm(ComposerService::getComposerService());
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Vector<ComposerState> transaction;
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Vector<DisplayState> displayTransaction;
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uint32_t flags = 0;
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{ // scope for the lock
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Mutex::Autolock _l(mLock);
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mForceSynchronous |= synchronous;
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if (!mTransactionNestCount) {
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ALOGW("At least one call to closeGlobalTransaction() was not matched by a prior "
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"call to openGlobalTransaction().");
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} else if (--mTransactionNestCount) {
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return;
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}
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transaction = mComposerStates;
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mComposerStates.clear();
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displayTransaction = mDisplayStates;
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mDisplayStates.clear();
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if (mForceSynchronous) {
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flags |= ISurfaceComposer::eSynchronous;
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}
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if (mAnimation) {
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flags |= ISurfaceComposer::eAnimation;
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}
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mForceSynchronous = false;
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mAnimation = false;
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}
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sm->setTransactionState(transaction, displayTransaction, flags);
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}
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void Composer::setAnimationTransactionImpl() {
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Mutex::Autolock _l(mLock);
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mAnimation = true;
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}
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layer_state_t* Composer::getLayerStateLocked(
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const sp<SurfaceComposerClient>& client, const sp<IBinder>& id) {
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ComposerState s;
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s.client = client->mClient;
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s.state.surface = id;
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ssize_t index = mComposerStates.indexOf(s);
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if (index < 0) {
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// we don't have it, add an initialized layer_state to our list
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index = mComposerStates.add(s);
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}
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ComposerState* const out = mComposerStates.editArray();
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return &(out[index].state);
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}
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status_t Composer::setPosition(const sp<SurfaceComposerClient>& client,
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const sp<IBinder>& id, float x, float y) {
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Mutex::Autolock _l(mLock);
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layer_state_t* s = getLayerStateLocked(client, id);
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if (!s)
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return BAD_INDEX;
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s->what |= layer_state_t::ePositionChanged;
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s->x = x;
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s->y = y;
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return NO_ERROR;
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}
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status_t Composer::setSize(const sp<SurfaceComposerClient>& client,
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const sp<IBinder>& id, uint32_t w, uint32_t h) {
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Mutex::Autolock _l(mLock);
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layer_state_t* s = getLayerStateLocked(client, id);
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if (!s)
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return BAD_INDEX;
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s->what |= layer_state_t::eSizeChanged;
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s->w = w;
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s->h = h;
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// Resizing a surface makes the transaction synchronous.
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mForceSynchronous = true;
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return NO_ERROR;
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}
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status_t Composer::setLayer(const sp<SurfaceComposerClient>& client,
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const sp<IBinder>& id, int32_t z) {
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Mutex::Autolock _l(mLock);
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layer_state_t* s = getLayerStateLocked(client, id);
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if (!s)
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return BAD_INDEX;
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s->what |= layer_state_t::eLayerChanged;
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s->z = z;
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return NO_ERROR;
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}
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status_t Composer::setFlags(const sp<SurfaceComposerClient>& client,
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const sp<IBinder>& id, uint32_t flags,
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uint32_t mask) {
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Mutex::Autolock _l(mLock);
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layer_state_t* s = getLayerStateLocked(client, id);
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if (!s)
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return BAD_INDEX;
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s->what |= layer_state_t::eVisibilityChanged;
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s->flags &= ~mask;
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s->flags |= (flags & mask);
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s->mask |= mask;
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return NO_ERROR;
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}
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status_t Composer::setTransparentRegionHint(
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const sp<SurfaceComposerClient>& client, const sp<IBinder>& id,
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const Region& transparentRegion) {
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Mutex::Autolock _l(mLock);
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layer_state_t* s = getLayerStateLocked(client, id);
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if (!s)
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return BAD_INDEX;
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s->what |= layer_state_t::eTransparentRegionChanged;
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s->transparentRegion = transparentRegion;
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return NO_ERROR;
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}
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status_t Composer::setAlpha(const sp<SurfaceComposerClient>& client,
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const sp<IBinder>& id, float alpha) {
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Mutex::Autolock _l(mLock);
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layer_state_t* s = getLayerStateLocked(client, id);
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if (!s)
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return BAD_INDEX;
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s->what |= layer_state_t::eAlphaChanged;
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s->alpha = alpha;
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return NO_ERROR;
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}
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status_t Composer::setLayerStack(const sp<SurfaceComposerClient>& client,
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const sp<IBinder>& id, uint32_t layerStack) {
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Mutex::Autolock _l(mLock);
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layer_state_t* s = getLayerStateLocked(client, id);
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if (!s)
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return BAD_INDEX;
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s->what |= layer_state_t::eLayerStackChanged;
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s->layerStack = layerStack;
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return NO_ERROR;
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}
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status_t Composer::setMatrix(const sp<SurfaceComposerClient>& client,
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const sp<IBinder>& id, float dsdx, float dtdx,
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float dsdy, float dtdy) {
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Mutex::Autolock _l(mLock);
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layer_state_t* s = getLayerStateLocked(client, id);
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if (!s)
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return BAD_INDEX;
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s->what |= layer_state_t::eMatrixChanged;
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layer_state_t::matrix22_t matrix;
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matrix.dsdx = dsdx;
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matrix.dtdx = dtdx;
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matrix.dsdy = dsdy;
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matrix.dtdy = dtdy;
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s->matrix = matrix;
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return NO_ERROR;
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}
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status_t Composer::setCrop(const sp<SurfaceComposerClient>& client,
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const sp<IBinder>& id, const Rect& crop) {
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Mutex::Autolock _l(mLock);
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layer_state_t* s = getLayerStateLocked(client, id);
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if (!s)
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return BAD_INDEX;
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s->what |= layer_state_t::eCropChanged;
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s->crop = crop;
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return NO_ERROR;
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}
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// ---------------------------------------------------------------------------
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DisplayState& Composer::getDisplayStateLocked(const sp<IBinder>& token) {
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DisplayState s;
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s.token = token;
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ssize_t index = mDisplayStates.indexOf(s);
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if (index < 0) {
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// we don't have it, add an initialized layer_state to our list
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s.what = 0;
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index = mDisplayStates.add(s);
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}
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return mDisplayStates.editItemAt(index);
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}
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void Composer::setDisplaySurface(const sp<IBinder>& token,
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const sp<IGraphicBufferProducer>& bufferProducer) {
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Mutex::Autolock _l(mLock);
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DisplayState& s(getDisplayStateLocked(token));
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s.surface = bufferProducer;
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s.what |= DisplayState::eSurfaceChanged;
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}
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void Composer::setDisplayLayerStack(const sp<IBinder>& token,
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uint32_t layerStack) {
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Mutex::Autolock _l(mLock);
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DisplayState& s(getDisplayStateLocked(token));
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s.layerStack = layerStack;
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s.what |= DisplayState::eLayerStackChanged;
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}
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void Composer::setDisplayProjection(const sp<IBinder>& token,
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uint32_t orientation,
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const Rect& layerStackRect,
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const Rect& displayRect) {
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Mutex::Autolock _l(mLock);
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DisplayState& s(getDisplayStateLocked(token));
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s.orientation = orientation;
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s.viewport = layerStackRect;
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s.frame = displayRect;
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s.what |= DisplayState::eDisplayProjectionChanged;
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mForceSynchronous = true; // TODO: do we actually still need this?
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}
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// ---------------------------------------------------------------------------
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SurfaceComposerClient::SurfaceComposerClient()
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: mStatus(NO_INIT), mComposer(Composer::getInstance())
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{
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}
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void SurfaceComposerClient::onFirstRef() {
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sp<ISurfaceComposer> sm(ComposerService::getComposerService());
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if (sm != 0) {
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sp<ISurfaceComposerClient> conn = sm->createConnection();
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if (conn != 0) {
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mClient = conn;
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mStatus = NO_ERROR;
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}
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}
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}
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SurfaceComposerClient::~SurfaceComposerClient() {
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dispose();
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}
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status_t SurfaceComposerClient::initCheck() const {
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return mStatus;
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}
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sp<IBinder> SurfaceComposerClient::connection() const {
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return (mClient != 0) ? mClient->asBinder() : 0;
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}
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status_t SurfaceComposerClient::linkToComposerDeath(
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const sp<IBinder::DeathRecipient>& recipient,
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void* cookie, uint32_t flags) {
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sp<ISurfaceComposer> sm(ComposerService::getComposerService());
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return sm->asBinder()->linkToDeath(recipient, cookie, flags);
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}
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void SurfaceComposerClient::dispose() {
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// this can be called more than once.
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sp<ISurfaceComposerClient> client;
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Mutex::Autolock _lm(mLock);
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if (mClient != 0) {
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client = mClient; // hold ref while lock is held
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mClient.clear();
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}
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mStatus = NO_INIT;
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}
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sp<SurfaceControl> SurfaceComposerClient::createSurface(
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const String8& name,
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uint32_t w,
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uint32_t h,
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PixelFormat format,
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uint32_t flags)
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{
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sp<SurfaceControl> sur;
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if (mStatus == NO_ERROR) {
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sp<IBinder> handle;
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sp<IGraphicBufferProducer> gbp;
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status_t err = mClient->createSurface(name, w, h, format, flags,
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&handle, &gbp);
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ALOGE_IF(err, "SurfaceComposerClient::createSurface error %s", strerror(-err));
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if (err == NO_ERROR) {
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sur = new SurfaceControl(this, handle, gbp);
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}
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}
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return sur;
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}
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sp<IBinder> SurfaceComposerClient::createDisplay(const String8& displayName,
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bool secure) {
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return Composer::getInstance().createDisplay(displayName, secure);
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}
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sp<IBinder> SurfaceComposerClient::getBuiltInDisplay(int32_t id) {
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return Composer::getInstance().getBuiltInDisplay(id);
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}
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status_t SurfaceComposerClient::destroySurface(const sp<IBinder>& sid) {
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if (mStatus != NO_ERROR)
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return mStatus;
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status_t err = mClient->destroySurface(sid);
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return err;
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}
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inline Composer& SurfaceComposerClient::getComposer() {
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return mComposer;
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}
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// ----------------------------------------------------------------------------
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void SurfaceComposerClient::openGlobalTransaction() {
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Composer::openGlobalTransaction();
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}
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void SurfaceComposerClient::closeGlobalTransaction(bool synchronous) {
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Composer::closeGlobalTransaction(synchronous);
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}
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void SurfaceComposerClient::setAnimationTransaction() {
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Composer::setAnimationTransaction();
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}
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// ----------------------------------------------------------------------------
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status_t SurfaceComposerClient::setCrop(const sp<IBinder>& id, const Rect& crop) {
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return getComposer().setCrop(this, id, crop);
|
|
}
|
|
|
|
status_t SurfaceComposerClient::setPosition(const sp<IBinder>& id, float x, float y) {
|
|
return getComposer().setPosition(this, id, x, y);
|
|
}
|
|
|
|
status_t SurfaceComposerClient::setSize(const sp<IBinder>& id, uint32_t w, uint32_t h) {
|
|
return getComposer().setSize(this, id, w, h);
|
|
}
|
|
|
|
status_t SurfaceComposerClient::setLayer(const sp<IBinder>& id, int32_t z) {
|
|
return getComposer().setLayer(this, id, z);
|
|
}
|
|
|
|
status_t SurfaceComposerClient::hide(const sp<IBinder>& id) {
|
|
return getComposer().setFlags(this, id,
|
|
layer_state_t::eLayerHidden,
|
|
layer_state_t::eLayerHidden);
|
|
}
|
|
|
|
status_t SurfaceComposerClient::show(const sp<IBinder>& id) {
|
|
return getComposer().setFlags(this, id,
|
|
0,
|
|
layer_state_t::eLayerHidden);
|
|
}
|
|
|
|
status_t SurfaceComposerClient::setFlags(const sp<IBinder>& id, uint32_t flags,
|
|
uint32_t mask) {
|
|
return getComposer().setFlags(this, id, flags, mask);
|
|
}
|
|
|
|
status_t SurfaceComposerClient::setTransparentRegionHint(const sp<IBinder>& id,
|
|
const Region& transparentRegion) {
|
|
return getComposer().setTransparentRegionHint(this, id, transparentRegion);
|
|
}
|
|
|
|
status_t SurfaceComposerClient::setAlpha(const sp<IBinder>& id, float alpha) {
|
|
return getComposer().setAlpha(this, id, alpha);
|
|
}
|
|
|
|
status_t SurfaceComposerClient::setLayerStack(const sp<IBinder>& id, uint32_t layerStack) {
|
|
return getComposer().setLayerStack(this, id, layerStack);
|
|
}
|
|
|
|
status_t SurfaceComposerClient::setMatrix(const sp<IBinder>& id, float dsdx, float dtdx,
|
|
float dsdy, float dtdy) {
|
|
return getComposer().setMatrix(this, id, dsdx, dtdx, dsdy, dtdy);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void SurfaceComposerClient::setDisplaySurface(const sp<IBinder>& token,
|
|
const sp<IGraphicBufferProducer>& bufferProducer) {
|
|
Composer::getInstance().setDisplaySurface(token, bufferProducer);
|
|
}
|
|
|
|
void SurfaceComposerClient::setDisplayLayerStack(const sp<IBinder>& token,
|
|
uint32_t layerStack) {
|
|
Composer::getInstance().setDisplayLayerStack(token, layerStack);
|
|
}
|
|
|
|
void SurfaceComposerClient::setDisplayProjection(const sp<IBinder>& token,
|
|
uint32_t orientation,
|
|
const Rect& layerStackRect,
|
|
const Rect& displayRect) {
|
|
Composer::getInstance().setDisplayProjection(token, orientation,
|
|
layerStackRect, displayRect);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
status_t SurfaceComposerClient::getDisplayInfo(
|
|
const sp<IBinder>& display, DisplayInfo* info)
|
|
{
|
|
return ComposerService::getComposerService()->getDisplayInfo(display, info);
|
|
}
|
|
|
|
void SurfaceComposerClient::blankDisplay(const sp<IBinder>& token) {
|
|
ComposerService::getComposerService()->blank(token);
|
|
}
|
|
|
|
void SurfaceComposerClient::unblankDisplay(const sp<IBinder>& token) {
|
|
ComposerService::getComposerService()->unblank(token);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
status_t ScreenshotClient::capture(
|
|
const sp<IBinder>& display,
|
|
const sp<IGraphicBufferProducer>& producer,
|
|
uint32_t reqWidth, uint32_t reqHeight,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ) {
|
|
sp<ISurfaceComposer> s(ComposerService::getComposerService());
|
|
if (s == NULL) return NO_INIT;
|
|
return s->captureScreen(display, producer,
|
|
reqWidth, reqHeight, minLayerZ, maxLayerZ);
|
|
}
|
|
|
|
ScreenshotClient::ScreenshotClient()
|
|
: mWidth(0), mHeight(0), mFormat(PIXEL_FORMAT_NONE) {
|
|
}
|
|
|
|
status_t ScreenshotClient::update(const sp<IBinder>& display) {
|
|
sp<ISurfaceComposer> s(ComposerService::getComposerService());
|
|
if (s == NULL) return NO_INIT;
|
|
mHeap = 0;
|
|
return s->captureScreen(display, &mHeap,
|
|
&mWidth, &mHeight, &mFormat, 0, 0,
|
|
0, -1UL);
|
|
}
|
|
|
|
status_t ScreenshotClient::update(const sp<IBinder>& display,
|
|
uint32_t reqWidth, uint32_t reqHeight) {
|
|
sp<ISurfaceComposer> s(ComposerService::getComposerService());
|
|
if (s == NULL) return NO_INIT;
|
|
mHeap = 0;
|
|
return s->captureScreen(display, &mHeap,
|
|
&mWidth, &mHeight, &mFormat, reqWidth, reqHeight,
|
|
0, -1UL);
|
|
}
|
|
|
|
status_t ScreenshotClient::update(const sp<IBinder>& display,
|
|
uint32_t reqWidth, uint32_t reqHeight,
|
|
uint32_t minLayerZ, uint32_t maxLayerZ) {
|
|
sp<ISurfaceComposer> s(ComposerService::getComposerService());
|
|
if (s == NULL) return NO_INIT;
|
|
mHeap = 0;
|
|
return s->captureScreen(display, &mHeap,
|
|
&mWidth, &mHeight, &mFormat, reqWidth, reqHeight,
|
|
minLayerZ, maxLayerZ);
|
|
}
|
|
|
|
void ScreenshotClient::release() {
|
|
mHeap = 0;
|
|
}
|
|
|
|
void const* ScreenshotClient::getPixels() const {
|
|
return mHeap->getBase();
|
|
}
|
|
|
|
uint32_t ScreenshotClient::getWidth() const {
|
|
return mWidth;
|
|
}
|
|
|
|
uint32_t ScreenshotClient::getHeight() const {
|
|
return mHeight;
|
|
}
|
|
|
|
PixelFormat ScreenshotClient::getFormat() const {
|
|
return mFormat;
|
|
}
|
|
|
|
uint32_t ScreenshotClient::getStride() const {
|
|
return mWidth;
|
|
}
|
|
|
|
size_t ScreenshotClient::getSize() const {
|
|
return mHeap->getSize();
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
}; // namespace android
|