diff options
Diffstat (limited to 'libs/gui')
-rw-r--r-- | libs/gui/IGraphicBufferAlloc.cpp | 13 | ||||
-rw-r--r-- | libs/gui/ISurfaceComposer.cpp | 35 | ||||
-rw-r--r-- | libs/gui/ISurfaceComposerClient.cpp | 25 | ||||
-rw-r--r-- | libs/gui/LayerState.cpp | 11 | ||||
-rw-r--r-- | libs/gui/SurfaceComposerClient.cpp | 593 | ||||
-rw-r--r-- | libs/gui/SurfaceTexture.cpp | 62 | ||||
-rw-r--r-- | libs/gui/tests/SurfaceTexture_test.cpp | 192 | ||||
-rw-r--r-- | libs/gui/tests/Surface_test.cpp | 26 |
8 files changed, 552 insertions, 405 deletions
diff --git a/libs/gui/IGraphicBufferAlloc.cpp b/libs/gui/IGraphicBufferAlloc.cpp index 0cd51da..30f8d00 100644 --- a/libs/gui/IGraphicBufferAlloc.cpp +++ b/libs/gui/IGraphicBufferAlloc.cpp @@ -43,7 +43,7 @@ public: } virtual sp<GraphicBuffer> createGraphicBuffer(uint32_t w, uint32_t h, - PixelFormat format, uint32_t usage) { + PixelFormat format, uint32_t usage, status_t* error) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferAlloc::getInterfaceDescriptor()); data.writeInt32(w); @@ -52,14 +52,15 @@ public: data.writeInt32(usage); remote()->transact(CREATE_GRAPHIC_BUFFER, data, &reply); sp<GraphicBuffer> graphicBuffer; - bool nonNull = (bool)reply.readInt32(); - if (nonNull) { + status_t result = reply.readInt32(); + if (result == NO_ERROR) { graphicBuffer = new GraphicBuffer(); reply.read(*graphicBuffer); // reply.readStrongBinder(); // here we don't even have to read the BufferReference from // the parcel, it'll die with the parcel. } + *error = result; return graphicBuffer; } }; @@ -91,8 +92,10 @@ status_t BnGraphicBufferAlloc::onTransact( uint32_t h = data.readInt32(); PixelFormat format = data.readInt32(); uint32_t usage = data.readInt32(); - sp<GraphicBuffer> result(createGraphicBuffer(w, h, format, usage)); - reply->writeInt32(result != 0); + status_t error; + sp<GraphicBuffer> result = + createGraphicBuffer(w, h, format, usage, &error); + reply->writeInt32(error); if (result != 0) { reply->write(*result); // We add a BufferReference to this parcel to make sure the diff --git a/libs/gui/ISurfaceComposer.cpp b/libs/gui/ISurfaceComposer.cpp index 40450a3..c1156d5 100644 --- a/libs/gui/ISurfaceComposer.cpp +++ b/libs/gui/ISurfaceComposer.cpp @@ -25,6 +25,8 @@ #include <binder/IPCThreadState.h> #include <binder/IServiceManager.h> +#include <private/surfaceflinger/LayerState.h> + #include <surfaceflinger/ISurfaceComposer.h> #include <ui/DisplayInfo.h> @@ -74,18 +76,17 @@ public: return interface_cast<IMemoryHeap>(reply.readStrongBinder()); } - virtual void openGlobalTransaction() + virtual void setTransactionState(const Vector<ComposerState>& state) { 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); + 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); + } + remote()->transact(BnSurfaceComposer::SET_TRANSACTION_STATE, data, &reply); } virtual status_t freezeDisplay(DisplayID dpy, uint32_t flags) @@ -218,13 +219,17 @@ status_t BnSurfaceComposer::onTransact( sp<IBinder> b = createGraphicBufferAlloc()->asBinder(); reply->writeStrongBinder(b); } break; - case OPEN_GLOBAL_TRANSACTION: { - CHECK_INTERFACE(ISurfaceComposer, data, reply); - openGlobalTransaction(); - } break; - case CLOSE_GLOBAL_TRANSACTION: { + case SET_TRANSACTION_STATE: { CHECK_INTERFACE(ISurfaceComposer, data, reply); - closeGlobalTransaction(); + 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); + } + setTransactionState(state); } break; case SET_ORIENTATION: { CHECK_INTERFACE(ISurfaceComposer, data, reply); diff --git a/libs/gui/ISurfaceComposerClient.cpp b/libs/gui/ISurfaceComposerClient.cpp index 8d83392..bc97cac 100644 --- a/libs/gui/ISurfaceComposerClient.cpp +++ b/libs/gui/ISurfaceComposerClient.cpp @@ -51,8 +51,7 @@ namespace android { enum { CREATE_SURFACE = IBinder::FIRST_CALL_TRANSACTION, - DESTROY_SURFACE, - SET_STATE + DESTROY_SURFACE }; class BpSurfaceComposerClient : public BpInterface<ISurfaceComposerClient> @@ -92,17 +91,6 @@ public: remote()->transact(DESTROY_SURFACE, data, &reply); return reply.readInt32(); } - - virtual status_t setState(int32_t count, const layer_state_t* states) - { - Parcel data, reply; - data.writeInterfaceToken(ISurfaceComposerClient::getInterfaceDescriptor()); - data.writeInt32(count); - for (int i=0 ; i<count ; i++) - states[i].write(data); - remote()->transact(SET_STATE, data, &reply); - return reply.readInt32(); - } }; IMPLEMENT_META_INTERFACE(SurfaceComposerClient, "android.ui.ISurfaceComposerClient"); @@ -133,17 +121,6 @@ status_t BnSurfaceComposerClient::onTransact( reply->writeInt32( destroySurface( data.readInt32() ) ); return NO_ERROR; } break; - case SET_STATE: { - CHECK_INTERFACE(ISurfaceComposerClient, data, reply); - int32_t count = data.readInt32(); - layer_state_t* states = new layer_state_t[count]; - for (int i=0 ; i<count ; i++) - states[i].read(data); - status_t err = setState(count, states); - delete [] states; - reply->writeInt32(err); - return NO_ERROR; - } break; default: return BBinder::onTransact(code, data, reply, flags); } diff --git a/libs/gui/LayerState.cpp b/libs/gui/LayerState.cpp index 01c4c7e..87901e8 100644 --- a/libs/gui/LayerState.cpp +++ b/libs/gui/LayerState.cpp @@ -17,6 +17,7 @@ #include <utils/Errors.h> #include <binder/Parcel.h> #include <private/surfaceflinger/LayerState.h> +#include <surfaceflinger/ISurfaceComposerClient.h> namespace android { @@ -58,4 +59,14 @@ status_t layer_state_t::read(const Parcel& input) return NO_ERROR; } +status_t ComposerState::write(Parcel& output) const { + output.writeStrongBinder(client->asBinder()); + return state.write(output); +} + +status_t ComposerState::read(const Parcel& input) { + client = interface_cast<ISurfaceComposerClient>(input.readStrongBinder()); + return state.read(input); +} + }; // namespace android diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp index 1678711..8cead80 100644 --- a/libs/gui/SurfaceComposerClient.cpp +++ b/libs/gui/SurfaceComposerClient.cpp @@ -74,75 +74,52 @@ static inline surface_flinger_cblk_t const volatile * get_cblk() { // --------------------------------------------------------------------------- +// NOTE: this is NOT a member function (it's a friend defined with its +// declaration). +static inline +int compare_type( const ComposerState& lhs, const ComposerState& rhs) { + if (lhs.client < rhs.client) return -1; + if (lhs.client > rhs.client) return 1; + if (lhs.state.surface < rhs.state.surface) return -1; + if (lhs.state.surface > rhs.state.surface) return 1; + return 0; +} + class Composer : public Singleton<Composer> { - Mutex mLock; - SortedVector< wp<SurfaceComposerClient> > mActiveConnections; - SortedVector<sp<SurfaceComposerClient> > mOpenTransactions; + friend class Singleton<Composer>; - Composer() : Singleton<Composer>() { - } + mutable Mutex mLock; + SortedVector<ComposerState> mStates; - void addClientImpl(const sp<SurfaceComposerClient>& client) { - Mutex::Autolock _l(mLock); - mActiveConnections.add(client); - } + Composer() : Singleton<Composer>() { } - void removeClientImpl(const sp<SurfaceComposerClient>& client) { - Mutex::Autolock _l(mLock); - mActiveConnections.remove(client); - } + void closeGlobalTransactionImpl(); - void openGlobalTransactionImpl() - { - Mutex::Autolock _l(mLock); - if (mOpenTransactions.size()) { - LOGE("openGlobalTransaction() called more than once. skipping."); - return; - } - const size_t N = mActiveConnections.size(); - for (size_t i=0; i<N; i++) { - sp<SurfaceComposerClient> client(mActiveConnections[i].promote()); - if (client != 0 && mOpenTransactions.indexOf(client) < 0) { - if (client->openTransaction() == NO_ERROR) { - mOpenTransactions.add(client); - } else { - LOGE("openTransaction on client %p failed", client.get()); - // let it go, it'll fail later when the user - // tries to do something with the transaction - } - } - } - } + layer_state_t* getLayerStateLocked( + const sp<SurfaceComposerClient>& client, SurfaceID id); - void closeGlobalTransactionImpl() - { - mLock.lock(); - SortedVector< sp<SurfaceComposerClient> > clients(mOpenTransactions); - mOpenTransactions.clear(); - mLock.unlock(); - - sp<ISurfaceComposer> sm(getComposerService()); - sm->openGlobalTransaction(); - const size_t N = clients.size(); - for (size_t i=0; i<N; i++) { - clients[i]->closeTransaction(); - } - sm->closeGlobalTransaction(); - } +public: - friend class Singleton<Composer>; + status_t setPosition(const sp<SurfaceComposerClient>& client, SurfaceID id, + int32_t x, int32_t y); + status_t setSize(const sp<SurfaceComposerClient>& client, SurfaceID id, + uint32_t w, uint32_t h); + status_t setLayer(const sp<SurfaceComposerClient>& client, SurfaceID id, + int32_t z); + status_t setFlags(const sp<SurfaceComposerClient>& client, SurfaceID id, + uint32_t flags, uint32_t mask); + status_t setTransparentRegionHint( + const sp<SurfaceComposerClient>& client, SurfaceID id, + const Region& transparentRegion); + status_t setAlpha(const sp<SurfaceComposerClient>& client, SurfaceID id, + float alpha); + status_t setMatrix(const sp<SurfaceComposerClient>& client, SurfaceID id, + float dsdx, float dtdx, float dsdy, float dtdy); + status_t setFreezeTint( + const sp<SurfaceComposerClient>& client, SurfaceID id, + uint32_t tint); -public: - static void addClient(const sp<SurfaceComposerClient>& client) { - Composer::getInstance().addClientImpl(client); - } - static void removeClient(const sp<SurfaceComposerClient>& client) { - Composer::getInstance().removeClientImpl(client); - } - static void openGlobalTransaction() { - Composer::getInstance().openGlobalTransactionImpl(); - } static void closeGlobalTransaction() { Composer::getInstance().closeGlobalTransactionImpl(); } @@ -152,127 +129,185 @@ ANDROID_SINGLETON_STATIC_INSTANCE(Composer); // --------------------------------------------------------------------------- -static inline int compare_type( const layer_state_t& lhs, - const layer_state_t& rhs) { - if (lhs.surface < rhs.surface) return -1; - if (lhs.surface > rhs.surface) return 1; - return 0; +void Composer::closeGlobalTransactionImpl() { + sp<ISurfaceComposer> sm(getComposerService()); + + Vector<ComposerState> transaction; + + { // scope for the lock + Mutex::Autolock _l(mLock); + transaction = mStates; + mStates.clear(); + } + + sm->setTransactionState(transaction); +} + +layer_state_t* Composer::getLayerStateLocked( + const sp<SurfaceComposerClient>& client, SurfaceID id) { + + ComposerState s; + s.client = client->mClient; + s.state.surface = id; + + ssize_t index = mStates.indexOf(s); + if (index < 0) { + // we don't have it, add an initialized layer_state to our list + index = mStates.add(s); + } + + ComposerState* const out = mStates.editArray(); + return &(out[index].state); +} + +status_t Composer::setPosition(const sp<SurfaceComposerClient>& client, + SurfaceID id, int32_t x, int32_t y) { + Mutex::Autolock _l(mLock); + layer_state_t* s = getLayerStateLocked(client, id); + if (!s) + return BAD_INDEX; + s->what |= ISurfaceComposer::ePositionChanged; + s->x = x; + s->y = y; + return NO_ERROR; +} + +status_t Composer::setSize(const sp<SurfaceComposerClient>& client, + SurfaceID id, uint32_t w, uint32_t h) { + Mutex::Autolock _l(mLock); + layer_state_t* s = getLayerStateLocked(client, id); + if (!s) + return BAD_INDEX; + s->what |= ISurfaceComposer::eSizeChanged; + s->w = w; + s->h = h; + return NO_ERROR; +} + +status_t Composer::setLayer(const sp<SurfaceComposerClient>& client, + SurfaceID id, int32_t z) { + Mutex::Autolock _l(mLock); + layer_state_t* s = getLayerStateLocked(client, id); + if (!s) + return BAD_INDEX; + s->what |= ISurfaceComposer::eLayerChanged; + s->z = z; + return NO_ERROR; +} + +status_t Composer::setFlags(const sp<SurfaceComposerClient>& client, + SurfaceID id, uint32_t flags, + uint32_t mask) { + Mutex::Autolock _l(mLock); + layer_state_t* s = getLayerStateLocked(client, id); + if (!s) + return BAD_INDEX; + s->what |= ISurfaceComposer::eVisibilityChanged; + s->flags &= ~mask; + s->flags |= (flags & mask); + s->mask |= mask; + return NO_ERROR; +} + +status_t Composer::setTransparentRegionHint( + const sp<SurfaceComposerClient>& client, SurfaceID id, + const Region& transparentRegion) { + Mutex::Autolock _l(mLock); + layer_state_t* s = getLayerStateLocked(client, id); + if (!s) + return BAD_INDEX; + s->what |= ISurfaceComposer::eTransparentRegionChanged; + s->transparentRegion = transparentRegion; + return NO_ERROR; +} + +status_t Composer::setAlpha(const sp<SurfaceComposerClient>& client, + SurfaceID id, float alpha) { + Mutex::Autolock _l(mLock); + layer_state_t* s = getLayerStateLocked(client, id); + if (!s) + return BAD_INDEX; + s->what |= ISurfaceComposer::eAlphaChanged; + s->alpha = alpha; + return NO_ERROR; +} + +status_t Composer::setMatrix(const sp<SurfaceComposerClient>& client, + SurfaceID id, float dsdx, float dtdx, + float dsdy, float dtdy) { + Mutex::Autolock _l(mLock); + layer_state_t* s = getLayerStateLocked(client, id); + if (!s) + return BAD_INDEX; + s->what |= ISurfaceComposer::eMatrixChanged; + layer_state_t::matrix22_t matrix; + matrix.dsdx = dsdx; + matrix.dtdx = dtdx; + matrix.dsdy = dsdy; + matrix.dtdy = dtdy; + s->matrix = matrix; + return NO_ERROR; } +status_t Composer::setFreezeTint(const sp<SurfaceComposerClient>& client, + SurfaceID id, uint32_t tint) { + Mutex::Autolock _l(mLock); + layer_state_t* s = getLayerStateLocked(client, id); + if (!s) + return BAD_INDEX; + s->what |= ISurfaceComposer::eFreezeTintChanged; + s->tint = tint; + return NO_ERROR; +} + +// --------------------------------------------------------------------------- + SurfaceComposerClient::SurfaceComposerClient() - : mTransactionOpen(0), mPrebuiltLayerState(0), mStatus(NO_INIT) + : mStatus(NO_INIT), mComposer(Composer::getInstance()) { } -void SurfaceComposerClient::onFirstRef() -{ +void SurfaceComposerClient::onFirstRef() { sp<ISurfaceComposer> sm(getComposerService()); if (sm != 0) { sp<ISurfaceComposerClient> conn = sm->createConnection(); if (conn != 0) { mClient = conn; - Composer::addClient(this); - mPrebuiltLayerState = new layer_state_t; mStatus = NO_ERROR; } } } -SurfaceComposerClient::~SurfaceComposerClient() -{ - delete mPrebuiltLayerState; +SurfaceComposerClient::~SurfaceComposerClient() { dispose(); } -status_t SurfaceComposerClient::initCheck() const -{ +status_t SurfaceComposerClient::initCheck() const { return mStatus; } -sp<IBinder> SurfaceComposerClient::connection() const -{ +sp<IBinder> SurfaceComposerClient::connection() const { return (mClient != 0) ? mClient->asBinder() : 0; } status_t SurfaceComposerClient::linkToComposerDeath( const sp<IBinder::DeathRecipient>& recipient, - void* cookie, uint32_t flags) -{ + void* cookie, uint32_t flags) { sp<ISurfaceComposer> sm(getComposerService()); return sm->asBinder()->linkToDeath(recipient, cookie, flags); } -void SurfaceComposerClient::dispose() -{ +void SurfaceComposerClient::dispose() { // this can be called more than once. sp<ISurfaceComposerClient> client; Mutex::Autolock _lm(mLock); if (mClient != 0) { - Composer::removeClient(this); client = mClient; // hold ref while lock is held mClient.clear(); } mStatus = NO_INIT; } -status_t SurfaceComposerClient::getDisplayInfo( - DisplayID dpy, DisplayInfo* info) -{ - if (uint32_t(dpy)>=NUM_DISPLAY_MAX) - return BAD_VALUE; - - volatile surface_flinger_cblk_t const * cblk = get_cblk(); - volatile display_cblk_t const * dcblk = cblk->displays + dpy; - - info->w = dcblk->w; - info->h = dcblk->h; - info->orientation = dcblk->orientation; - info->xdpi = dcblk->xdpi; - info->ydpi = dcblk->ydpi; - info->fps = dcblk->fps; - info->density = dcblk->density; - return getPixelFormatInfo(dcblk->format, &(info->pixelFormatInfo)); -} - -ssize_t SurfaceComposerClient::getDisplayWidth(DisplayID dpy) -{ - if (uint32_t(dpy)>=NUM_DISPLAY_MAX) - return BAD_VALUE; - volatile surface_flinger_cblk_t const * cblk = get_cblk(); - volatile display_cblk_t const * dcblk = cblk->displays + dpy; - return dcblk->w; -} - -ssize_t SurfaceComposerClient::getDisplayHeight(DisplayID dpy) -{ - if (uint32_t(dpy)>=NUM_DISPLAY_MAX) - return BAD_VALUE; - volatile surface_flinger_cblk_t const * cblk = get_cblk(); - volatile display_cblk_t const * dcblk = cblk->displays + dpy; - return dcblk->h; -} - -ssize_t SurfaceComposerClient::getDisplayOrientation(DisplayID dpy) -{ - if (uint32_t(dpy)>=NUM_DISPLAY_MAX) - return BAD_VALUE; - volatile surface_flinger_cblk_t const * cblk = get_cblk(); - volatile display_cblk_t const * dcblk = cblk->displays + dpy; - return dcblk->orientation; -} - -ssize_t SurfaceComposerClient::getNumberOfDisplays() -{ - volatile surface_flinger_cblk_t const * cblk = get_cblk(); - uint32_t connected = cblk->connected; - int n = 0; - while (connected) { - if (connected&1) n++; - connected >>= 1; - } - return n; -} - sp<SurfaceControl> SurfaceComposerClient::createSurface( DisplayID display, uint32_t w, @@ -310,237 +345,167 @@ sp<SurfaceControl> SurfaceComposerClient::createSurface( return result; } -status_t SurfaceComposerClient::destroySurface(SurfaceID sid) -{ +status_t SurfaceComposerClient::destroySurface(SurfaceID sid) { if (mStatus != NO_ERROR) return mStatus; - - // it's okay to destroy a surface while a transaction is open, - // (transactions really are a client-side concept) - // however, this indicates probably a misuse of the API or a bug - // in the client code. - LOGW_IF(mTransactionOpen, - "Destroying surface while a transaction is open. " - "Client %p: destroying surface %d, mTransactionOpen=%d", - this, sid, mTransactionOpen); - status_t err = mClient->destroySurface(sid); return err; } -void SurfaceComposerClient::openGlobalTransaction() -{ - Composer::openGlobalTransaction(); +inline Composer& SurfaceComposerClient::getComposer() { + return mComposer; } -void SurfaceComposerClient::closeGlobalTransaction() -{ - Composer::closeGlobalTransaction(); -} +// ---------------------------------------------------------------------------- -status_t SurfaceComposerClient::freezeDisplay(DisplayID dpy, uint32_t flags) -{ - sp<ISurfaceComposer> sm(getComposerService()); - return sm->freezeDisplay(dpy, flags); +void SurfaceComposerClient::openGlobalTransaction() { + // Currently a no-op } -status_t SurfaceComposerClient::unfreezeDisplay(DisplayID dpy, uint32_t flags) -{ - sp<ISurfaceComposer> sm(getComposerService()); - return sm->unfreezeDisplay(dpy, flags); +void SurfaceComposerClient::closeGlobalTransaction() { + Composer::closeGlobalTransaction(); } -int SurfaceComposerClient::setOrientation(DisplayID dpy, - int orientation, uint32_t flags) -{ - sp<ISurfaceComposer> sm(getComposerService()); - return sm->setOrientation(dpy, orientation, flags); -} +// ---------------------------------------------------------------------------- -status_t SurfaceComposerClient::openTransaction() -{ - if (mStatus != NO_ERROR) - return mStatus; - Mutex::Autolock _l(mLock); - mTransactionOpen++; - return NO_ERROR; +status_t SurfaceComposerClient::setFreezeTint(SurfaceID id, uint32_t tint) { + return getComposer().setFreezeTint(this, id, tint); } -status_t SurfaceComposerClient::closeTransaction() -{ - if (mStatus != NO_ERROR) - return mStatus; - - Mutex::Autolock _l(mLock); - if (mTransactionOpen <= 0) { - LOGE( "closeTransaction (client %p, mTransactionOpen=%d) " - "called more times than openTransaction()", - this, mTransactionOpen); - return INVALID_OPERATION; - } +status_t SurfaceComposerClient::setPosition(SurfaceID id, int32_t x, int32_t y) { + return getComposer().setPosition(this, id, x, y); +} - if (mTransactionOpen >= 2) { - mTransactionOpen--; - return NO_ERROR; - } +status_t SurfaceComposerClient::setSize(SurfaceID id, uint32_t w, uint32_t h) { + return getComposer().setSize(this, id, w, h); +} - mTransactionOpen = 0; - const ssize_t count = mStates.size(); - if (count) { - mClient->setState(count, mStates.array()); - mStates.clear(); - } - return NO_ERROR; +status_t SurfaceComposerClient::setLayer(SurfaceID id, int32_t z) { + return getComposer().setLayer(this, id, z); } -layer_state_t* SurfaceComposerClient::get_state_l(SurfaceID index) -{ - // API usage error, do nothing. - if (mTransactionOpen<=0) { - LOGE("Not in transaction (client=%p, SurfaceID=%d, mTransactionOpen=%d", - this, int(index), mTransactionOpen); - return 0; - } +status_t SurfaceComposerClient::hide(SurfaceID id) { + return getComposer().setFlags(this, id, + ISurfaceComposer::eLayerHidden, + ISurfaceComposer::eLayerHidden); +} - // use mPrebuiltLayerState just to find out if we already have it - layer_state_t& dummy(*mPrebuiltLayerState); - dummy.surface = index; - ssize_t i = mStates.indexOf(dummy); - if (i < 0) { - // we don't have it, add an initialized layer_state to our list - i = mStates.add(dummy); - } - return mStates.editArray() + i; +status_t SurfaceComposerClient::show(SurfaceID id, int32_t) { + return getComposer().setFlags(this, id, + 0, + ISurfaceComposer::eLayerHidden); } -layer_state_t* SurfaceComposerClient::lockLayerState(SurfaceID id) -{ - layer_state_t* s; - mLock.lock(); - s = get_state_l(id); - if (!s) mLock.unlock(); - return s; +status_t SurfaceComposerClient::freeze(SurfaceID id) { + return getComposer().setFlags(this, id, + ISurfaceComposer::eLayerFrozen, + ISurfaceComposer::eLayerFrozen); } -void SurfaceComposerClient::unlockLayerState() -{ - mLock.unlock(); +status_t SurfaceComposerClient::unfreeze(SurfaceID id) { + return getComposer().setFlags(this, id, + 0, + ISurfaceComposer::eLayerFrozen); } -status_t SurfaceComposerClient::setPosition(SurfaceID id, int32_t x, int32_t y) -{ - layer_state_t* s = lockLayerState(id); - if (!s) return BAD_INDEX; - s->what |= ISurfaceComposer::ePositionChanged; - s->x = x; - s->y = y; - unlockLayerState(); - return NO_ERROR; +status_t SurfaceComposerClient::setFlags(SurfaceID id, uint32_t flags, + uint32_t mask) { + return getComposer().setFlags(this, id, flags, mask); } -status_t SurfaceComposerClient::setSize(SurfaceID id, uint32_t w, uint32_t h) -{ - layer_state_t* s = lockLayerState(id); - if (!s) return BAD_INDEX; - s->what |= ISurfaceComposer::eSizeChanged; - s->w = w; - s->h = h; - unlockLayerState(); - return NO_ERROR; +status_t SurfaceComposerClient::setTransparentRegionHint(SurfaceID id, + const Region& transparentRegion) { + return getComposer().setTransparentRegionHint(this, id, transparentRegion); } -status_t SurfaceComposerClient::setLayer(SurfaceID id, int32_t z) -{ - layer_state_t* s = lockLayerState(id); - if (!s) return BAD_INDEX; - s->what |= ISurfaceComposer::eLayerChanged; - s->z = z; - unlockLayerState(); - return NO_ERROR; +status_t SurfaceComposerClient::setAlpha(SurfaceID id, float alpha) { + return getComposer().setAlpha(this, id, alpha); } -status_t SurfaceComposerClient::hide(SurfaceID id) -{ - return setFlags(id, ISurfaceComposer::eLayerHidden, - ISurfaceComposer::eLayerHidden); +status_t SurfaceComposerClient::setMatrix(SurfaceID id, float dsdx, float dtdx, + float dsdy, float dtdy) { + return getComposer().setMatrix(this, id, dsdx, dtdx, dsdy, dtdy); } -status_t SurfaceComposerClient::show(SurfaceID id, int32_t) +// ---------------------------------------------------------------------------- + +status_t SurfaceComposerClient::getDisplayInfo( + DisplayID dpy, DisplayInfo* info) { - return setFlags(id, 0, ISurfaceComposer::eLayerHidden); + if (uint32_t(dpy)>=NUM_DISPLAY_MAX) + return BAD_VALUE; + + volatile surface_flinger_cblk_t const * cblk = get_cblk(); + volatile display_cblk_t const * dcblk = cblk->displays + dpy; + + info->w = dcblk->w; + info->h = dcblk->h; + info->orientation = dcblk->orientation; + info->xdpi = dcblk->xdpi; + info->ydpi = dcblk->ydpi; + info->fps = dcblk->fps; + info->density = dcblk->density; + return getPixelFormatInfo(dcblk->format, &(info->pixelFormatInfo)); } -status_t SurfaceComposerClient::freeze(SurfaceID id) +ssize_t SurfaceComposerClient::getDisplayWidth(DisplayID dpy) { - return setFlags(id, ISurfaceComposer::eLayerFrozen, - ISurfaceComposer::eLayerFrozen); + if (uint32_t(dpy)>=NUM_DISPLAY_MAX) + return BAD_VALUE; + volatile surface_flinger_cblk_t const * cblk = get_cblk(); + volatile display_cblk_t const * dcblk = cblk->displays + dpy; + return dcblk->w; } -status_t SurfaceComposerClient::unfreeze(SurfaceID id) +ssize_t SurfaceComposerClient::getDisplayHeight(DisplayID dpy) { - return setFlags(id, 0, ISurfaceComposer::eLayerFrozen); + if (uint32_t(dpy)>=NUM_DISPLAY_MAX) + return BAD_VALUE; + volatile surface_flinger_cblk_t const * cblk = get_cblk(); + volatile display_cblk_t const * dcblk = cblk->displays + dpy; + return dcblk->h; } -status_t SurfaceComposerClient::setFlags(SurfaceID id, - uint32_t flags, uint32_t mask) +ssize_t SurfaceComposerClient::getDisplayOrientation(DisplayID dpy) { - layer_state_t* s = lockLayerState(id); - if (!s) return BAD_INDEX; - s->what |= ISurfaceComposer::eVisibilityChanged; - s->flags &= ~mask; - s->flags |= (flags & mask); - s->mask |= mask; - unlockLayerState(); - return NO_ERROR; + if (uint32_t(dpy)>=NUM_DISPLAY_MAX) + return BAD_VALUE; + volatile surface_flinger_cblk_t const * cblk = get_cblk(); + volatile display_cblk_t const * dcblk = cblk->displays + dpy; + return dcblk->orientation; } -status_t SurfaceComposerClient::setTransparentRegionHint( - SurfaceID id, const Region& transparentRegion) +ssize_t SurfaceComposerClient::getNumberOfDisplays() { - layer_state_t* s = lockLayerState(id); - if (!s) return BAD_INDEX; - s->what |= ISurfaceComposer::eTransparentRegionChanged; - s->transparentRegion = transparentRegion; - unlockLayerState(); - return NO_ERROR; + volatile surface_flinger_cblk_t const * cblk = get_cblk(); + uint32_t connected = cblk->connected; + int n = 0; + while (connected) { + if (connected&1) n++; + connected >>= 1; + } + return n; } -status_t SurfaceComposerClient::setAlpha(SurfaceID id, float alpha) +// ---------------------------------------------------------------------------- + +status_t SurfaceComposerClient::freezeDisplay(DisplayID dpy, uint32_t flags) { - layer_state_t* s = lockLayerState(id); - if (!s) return BAD_INDEX; - s->what |= ISurfaceComposer::eAlphaChanged; - s->alpha = alpha; - unlockLayerState(); - return NO_ERROR; + sp<ISurfaceComposer> sm(getComposerService()); + return sm->freezeDisplay(dpy, flags); } -status_t SurfaceComposerClient::setMatrix( - SurfaceID id, - float dsdx, float dtdx, - float dsdy, float dtdy ) +status_t SurfaceComposerClient::unfreezeDisplay(DisplayID dpy, uint32_t flags) { - layer_state_t* s = lockLayerState(id); - if (!s) return BAD_INDEX; - s->what |= ISurfaceComposer::eMatrixChanged; - layer_state_t::matrix22_t matrix; - matrix.dsdx = dsdx; - matrix.dtdx = dtdx; - matrix.dsdy = dsdy; - matrix.dtdy = dtdy; - s->matrix = matrix; - unlockLayerState(); - return NO_ERROR; + sp<ISurfaceComposer> sm(getComposerService()); + return sm->unfreezeDisplay(dpy, flags); } -status_t SurfaceComposerClient::setFreezeTint(SurfaceID id, uint32_t tint) +int SurfaceComposerClient::setOrientation(DisplayID dpy, + int orientation, uint32_t flags) { - layer_state_t* s = lockLayerState(id); - if (!s) return BAD_INDEX; - s->what |= ISurfaceComposer::eFreezeTintChanged; - s->tint = tint; - unlockLayerState(); - return NO_ERROR; + sp<ISurfaceComposer> sm(getComposerService()); + return sm->setOrientation(dpy, orientation, flags); } // ---------------------------------------------------------------------------- diff --git a/libs/gui/SurfaceTexture.cpp b/libs/gui/SurfaceTexture.cpp index 37e6d11..886a3fb 100644 --- a/libs/gui/SurfaceTexture.cpp +++ b/libs/gui/SurfaceTexture.cpp @@ -148,6 +148,11 @@ status_t SurfaceTexture::setBufferCount(int bufferCount) { LOGV("SurfaceTexture::setBufferCount"); Mutex::Autolock lock(mMutex); + if (bufferCount > NUM_BUFFER_SLOTS) { + LOGE("setBufferCount: bufferCount larger than slots available"); + return BAD_VALUE; + } + // Error out if the user has dequeued buffers for (int i=0 ; i<mBufferCount ; i++) { if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) { @@ -208,7 +213,7 @@ status_t SurfaceTexture::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h, uint32_t format, uint32_t usage) { LOGV("SurfaceTexture::dequeueBuffer"); - if ((w && !h) || (!w & h)) { + if ((w && !h) || (!w && h)) { LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h); return BAD_VALUE; } @@ -347,11 +352,13 @@ status_t SurfaceTexture::dequeueBuffer(int *outBuf, uint32_t w, uint32_t h, ((uint32_t(buffer->usage) & usage) != usage)) { usage |= GraphicBuffer::USAGE_HW_TEXTURE; + status_t error; sp<GraphicBuffer> graphicBuffer( - mGraphicBufferAlloc->createGraphicBuffer(w, h, format, usage)); + mGraphicBufferAlloc->createGraphicBuffer( + w, h, format, usage, &error)); if (graphicBuffer == 0) { LOGE("dequeueBuffer: SurfaceComposer::createGraphicBuffer failed"); - return NO_MEMORY; + return error; } if (updateFormat) { mPixelFormat = format; @@ -417,17 +424,22 @@ status_t SurfaceTexture::queueBuffer(int buf, int64_t timestamp) { return -EINVAL; } - if (mQueue.empty()) { - listener = mFrameAvailableListener; - } - if (mSynchronousMode) { - // in synchronous mode we queue all buffers in a FIFO + // In synchronous mode we queue all buffers in a FIFO. mQueue.push_back(buf); + + // Synchronous mode always signals that an additional frame should + // be consumed. + listener = mFrameAvailableListener; } else { - // in asynchronous mode we only keep the most recent buffer + // In asynchronous mode we only keep the most recent buffer. if (mQueue.empty()) { mQueue.push_back(buf); + + // Asynchronous mode only signals that a frame should be + // consumed if no previous frame was pending. If a frame were + // pending then the consumer would have already been notified. + listener = mFrameAvailableListener; } else { Fifo::iterator front(mQueue.begin()); // buffer currently queued is freed @@ -483,24 +495,14 @@ status_t SurfaceTexture::setTransform(uint32_t transform) { status_t SurfaceTexture::updateTexImage() { LOGV("SurfaceTexture::updateTexImage"); - Mutex::Autolock lock(mMutex); - int buf = mCurrentTexture; + // In asynchronous mode the list is guaranteed to be one buffer + // deep, while in synchronous mode we use the oldest buffer. if (!mQueue.empty()) { - // in asynchronous mode the list is guaranteed to be one buffer deep, - // while in synchronous mode we use the oldest buffer Fifo::iterator front(mQueue.begin()); - buf = *front; - mQueue.erase(front); - if (mQueue.isEmpty()) { - mDequeueCondition.signal(); - } - } + int buf = *front; - // Initially both mCurrentTexture and buf are INVALID_BUFFER_SLOT, - // so this check will fail until a buffer gets queued. - if (mCurrentTexture != buf) { // Update the GL texture object. EGLImageKHR image = mSlots[buf].mEglImage; if (image == EGL_NO_IMAGE_KHR) { @@ -538,7 +540,7 @@ status_t SurfaceTexture::updateTexImage() { } if (mCurrentTexture != INVALID_BUFFER_SLOT) { - // the current buffer becomes FREE if it was still in the queued + // The current buffer becomes FREE if it was still in the queued // state. If it has already been given to the client // (synchronous mode), then it stays in DEQUEUED state. if (mSlots[mCurrentTexture].mBufferState == BufferSlot::QUEUED) @@ -553,17 +555,17 @@ status_t SurfaceTexture::updateTexImage() { mCurrentTransform = mSlots[buf].mTransform; mCurrentTimestamp = mSlots[buf].mTimestamp; computeCurrentTransformMatrix(); + + // Now that we've passed the point at which failures can happen, + // it's safe to remove the buffer from the front of the queue. + mQueue.erase(front); mDequeueCondition.signal(); } else { // We always bind the texture even if we don't update its contents. glBindTexture(mCurrentTextureTarget, mTexName); } - return OK; -} -size_t SurfaceTexture::getQueuedCount() const { - Mutex::Autolock lock(mMutex); - return mQueue.size(); + return OK; } bool SurfaceTexture::isExternalFormat(uint32_t format) @@ -704,10 +706,10 @@ nsecs_t SurfaceTexture::getTimestamp() { } void SurfaceTexture::setFrameAvailableListener( - const sp<FrameAvailableListener>& l) { + const sp<FrameAvailableListener>& listener) { LOGV("SurfaceTexture::setFrameAvailableListener"); Mutex::Autolock lock(mMutex); - mFrameAvailableListener = l; + mFrameAvailableListener = listener; } sp<IBinder> SurfaceTexture::getAllocator() { diff --git a/libs/gui/tests/SurfaceTexture_test.cpp b/libs/gui/tests/SurfaceTexture_test.cpp index f219639..88433fb 100644 --- a/libs/gui/tests/SurfaceTexture_test.cpp +++ b/libs/gui/tests/SurfaceTexture_test.cpp @@ -84,10 +84,10 @@ protected: ASSERT_TRUE(mSurfaceControl != NULL); ASSERT_TRUE(mSurfaceControl->isValid()); - ASSERT_EQ(NO_ERROR, mComposerClient->openTransaction()); + SurfaceComposerClient::openGlobalTransaction(); ASSERT_EQ(NO_ERROR, mSurfaceControl->setLayer(0x7FFFFFFF)); ASSERT_EQ(NO_ERROR, mSurfaceControl->show()); - ASSERT_EQ(NO_ERROR, mComposerClient->closeTransaction()); + SurfaceComposerClient::closeGlobalTransaction(); sp<ANativeWindow> window = mSurfaceControl->getSurface(); mEglSurface = eglCreateWindowSurface(mEglDisplay, mGlConfig, @@ -419,6 +419,31 @@ protected: ASSERT_EQ(GLenum(GL_NO_ERROR), glGetError()); } + class FrameWaiter : public SurfaceTexture::FrameAvailableListener { + public: + FrameWaiter(): + mPendingFrames(0) { + } + + void waitForFrame() { + Mutex::Autolock lock(mMutex); + while (mPendingFrames == 0) { + mCondition.wait(mMutex); + } + mPendingFrames--; + } + + virtual void onFrameAvailable() { + Mutex::Autolock lock(mMutex); + mPendingFrames++; + mCondition.signal(); + } + + int mPendingFrames; + Mutex mMutex; + Condition mCondition; + }; + sp<SurfaceTexture> mST; sp<SurfaceTextureClient> mSTC; sp<ANativeWindow> mANW; @@ -648,6 +673,157 @@ TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BufferWithCrop) { } } +// This test is intended to catch synchronization bugs between the CPU-written +// and GPU-read buffers. +TEST_F(SurfaceTextureGLTest, TexturingFromCpuFilledYV12BuffersRepeatedly) { + enum { texWidth = 16 }; + enum { texHeight = 16 }; + enum { numFrames = 1024 }; + + ASSERT_EQ(NO_ERROR, mST->setSynchronousMode(true)); + ASSERT_EQ(NO_ERROR, mST->setBufferCountServer(2)); + ASSERT_EQ(NO_ERROR, native_window_set_buffers_geometry(mANW.get(), + texWidth, texHeight, HAL_PIXEL_FORMAT_YV12)); + ASSERT_EQ(NO_ERROR, native_window_set_usage(mANW.get(), + GRALLOC_USAGE_SW_WRITE_OFTEN)); + + struct TestPixel { + int x; + int y; + }; + const TestPixel testPixels[] = { + { 4, 11 }, + { 12, 14 }, + { 7, 2 }, + }; + enum {numTestPixels = sizeof(testPixels) / sizeof(testPixels[0])}; + + class ProducerThread : public Thread { + public: + ProducerThread(const sp<ANativeWindow>& anw, const TestPixel* testPixels): + mANW(anw), + mTestPixels(testPixels) { + } + + virtual ~ProducerThread() { + } + + virtual bool threadLoop() { + for (int i = 0; i < numFrames; i++) { + ANativeWindowBuffer* anb; + if (mANW->dequeueBuffer(mANW.get(), &anb) != NO_ERROR) { + return false; + } + if (anb == NULL) { + return false; + } + + sp<GraphicBuffer> buf(new GraphicBuffer(anb, false)); + if (mANW->lockBuffer(mANW.get(), buf->getNativeBuffer()) + != NO_ERROR) { + return false; + } + + const int yuvTexOffsetY = 0; + int stride = buf->getStride(); + int yuvTexStrideY = stride; + int yuvTexOffsetV = yuvTexStrideY * texHeight; + int yuvTexStrideV = (yuvTexStrideY/2 + 0xf) & ~0xf; + int yuvTexOffsetU = yuvTexOffsetV + yuvTexStrideV * texHeight/2; + int yuvTexStrideU = yuvTexStrideV; + + uint8_t* img = NULL; + buf->lock(GRALLOC_USAGE_SW_WRITE_OFTEN, (void**)(&img)); + + // Gray out all the test pixels first, so we're more likely to + // see a failure if GL is still texturing from the buffer we + // just dequeued. + for (int j = 0; j < numTestPixels; j++) { + int x = mTestPixels[j].x; + int y = mTestPixels[j].y; + uint8_t value = 128; + img[y*stride + x] = value; + } + + // Fill the buffer with gray. + for (int y = 0; y < texHeight; y++) { + for (int x = 0; x < texWidth; x++) { + img[yuvTexOffsetY + y*yuvTexStrideY + x] = 128; + img[yuvTexOffsetU + (y/2)*yuvTexStrideU + x/2] = 128; + img[yuvTexOffsetV + (y/2)*yuvTexStrideV + x/2] = 128; + } + } + + // Set the test pixels to either white or black. + for (int j = 0; j < numTestPixels; j++) { + int x = mTestPixels[j].x; + int y = mTestPixels[j].y; + uint8_t value = 0; + if (j == (i % numTestPixels)) { + value = 255; + } + img[y*stride + x] = value; + } + + buf->unlock(); + if (mANW->queueBuffer(mANW.get(), buf->getNativeBuffer()) + != NO_ERROR) { + return false; + } + } + return false; + } + + sp<ANativeWindow> mANW; + const TestPixel* mTestPixels; + }; + + sp<FrameWaiter> fw(new FrameWaiter); + mST->setFrameAvailableListener(fw); + + sp<Thread> pt(new ProducerThread(mANW, testPixels)); + pt->run(); + + glViewport(0, 0, texWidth, texHeight); + + glClearColor(0.2, 0.2, 0.2, 0.2); + glClear(GL_COLOR_BUFFER_BIT); + + // We wait for the first two frames up front so that the producer will be + // likely to dequeue the buffer that's currently being textured from. + fw->waitForFrame(); + fw->waitForFrame(); + + for (int i = 0; i < numFrames; i++) { + SCOPED_TRACE(String8::format("frame %d", i).string()); + + // We must wait for each frame to come in because if we ever do an + // updateTexImage call that doesn't consume a newly available buffer + // then the producer and consumer will get out of sync, which will cause + // a deadlock. + if (i > 1) { + fw->waitForFrame(); + } + mST->updateTexImage(); + drawTexture(); + + for (int j = 0; j < numTestPixels; j++) { + int x = testPixels[j].x; + int y = testPixels[j].y; + uint8_t value = 0; + if (j == (i % numTestPixels)) { + // We must y-invert the texture coords + EXPECT_TRUE(checkPixel(x, texHeight-y-1, 255, 255, 255, 255)); + } else { + // We must y-invert the texture coords + EXPECT_TRUE(checkPixel(x, texHeight-y-1, 0, 0, 0, 255)); + } + } + } + + pt->requestExitAndWait(); +} + // XXX: This test is disabled because there are currently no drivers that can // handle RGBA textures with the GL_TEXTURE_EXTERNAL_OES target. TEST_F(SurfaceTextureGLTest, DISABLED_TexturingFromCpuFilledRGBABufferNpot) { @@ -1004,8 +1180,7 @@ protected: sp<FrameCondition> mFC; }; -// XXX: This test is disabled because it causes hangs on some devices. -TEST_F(SurfaceTextureGLToGLTest, DISABLED_UpdateTexImageBeforeFrameFinishedWorks) { +TEST_F(SurfaceTextureGLToGLTest, UpdateTexImageBeforeFrameFinishedWorks) { class PT : public ProducerThread { virtual void render() { glClearColor(0.0f, 1.0f, 0.0f, 1.0f); @@ -1023,8 +1198,7 @@ TEST_F(SurfaceTextureGLToGLTest, DISABLED_UpdateTexImageBeforeFrameFinishedWorks // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported! } -// XXX: This test is disabled because it causes hangs on some devices. -TEST_F(SurfaceTextureGLToGLTest, DISABLED_UpdateTexImageAfterFrameFinishedWorks) { +TEST_F(SurfaceTextureGLToGLTest, UpdateTexImageAfterFrameFinishedWorks) { class PT : public ProducerThread { virtual void render() { glClearColor(0.0f, 1.0f, 0.0f, 1.0f); @@ -1042,8 +1216,7 @@ TEST_F(SurfaceTextureGLToGLTest, DISABLED_UpdateTexImageAfterFrameFinishedWorks) // TODO: Add frame verification once RGB TEX_EXTERNAL_OES is supported! } -// XXX: This test is disabled because it causes hangs on some devices. -TEST_F(SurfaceTextureGLToGLTest, DISABLED_RepeatedUpdateTexImageBeforeFrameFinishedWorks) { +TEST_F(SurfaceTextureGLToGLTest, RepeatedUpdateTexImageBeforeFrameFinishedWorks) { enum { NUM_ITERATIONS = 1024 }; class PT : public ProducerThread { @@ -1071,8 +1244,7 @@ TEST_F(SurfaceTextureGLToGLTest, DISABLED_RepeatedUpdateTexImageBeforeFrameFinis } } -// XXX: This test is disabled because it causes hangs on some devices. -TEST_F(SurfaceTextureGLToGLTest, DISABLED_RepeatedUpdateTexImageAfterFrameFinishedWorks) { +TEST_F(SurfaceTextureGLToGLTest, RepeatedUpdateTexImageAfterFrameFinishedWorks) { enum { NUM_ITERATIONS = 1024 }; class PT : public ProducerThread { diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp index 35c8640..ce587b3 100644 --- a/libs/gui/tests/Surface_test.cpp +++ b/libs/gui/tests/Surface_test.cpp @@ -31,15 +31,15 @@ protected: ASSERT_EQ(NO_ERROR, mComposerClient->initCheck()); mSurfaceControl = mComposerClient->createSurface( - String8("Test Surface"), 0, 32, 32, PIXEL_FORMAT_RGB_888, 0); + String8("Test Surface"), 0, 32, 32, PIXEL_FORMAT_RGBA_8888, 0); ASSERT_TRUE(mSurfaceControl != NULL); ASSERT_TRUE(mSurfaceControl->isValid()); - ASSERT_EQ(NO_ERROR, mComposerClient->openTransaction()); - ASSERT_EQ(NO_ERROR, mSurfaceControl->setLayer(30000)); + SurfaceComposerClient::openGlobalTransaction(); + ASSERT_EQ(NO_ERROR, mSurfaceControl->setLayer(0x7fffffff)); ASSERT_EQ(NO_ERROR, mSurfaceControl->show()); - ASSERT_EQ(NO_ERROR, mComposerClient->closeTransaction()); + SurfaceComposerClient::closeGlobalTransaction(); mSurface = mSurfaceControl->getSurface(); ASSERT_TRUE(mSurface != NULL); @@ -84,7 +84,7 @@ TEST_F(SurfaceTest, ScreenshotsOfProtectedBuffersFail) { PixelFormat fmt=0; sp<ISurfaceComposer> sf(ComposerService::getComposerService()); ASSERT_EQ(NO_ERROR, sf->captureScreen(0, &heap, &w, &h, &fmt, 64, 64, 0, - 40000)); + 0x7fffffff)); ASSERT_TRUE(heap != NULL); // Set the PROTECTED usage bit and verify that the screenshot fails. Note @@ -94,6 +94,18 @@ TEST_F(SurfaceTest, ScreenshotsOfProtectedBuffersFail) { GRALLOC_USAGE_PROTECTED)); ASSERT_EQ(NO_ERROR, native_window_set_buffer_count(anw.get(), 3)); ANativeWindowBuffer* buf = 0; + + status_t err = anw->dequeueBuffer(anw.get(), &buf); + if (err) { + // we could fail if GRALLOC_USAGE_PROTECTED is not supported. + // that's okay as long as this is the reason for the failure. + // try again without the GRALLOC_USAGE_PROTECTED bit. + ASSERT_EQ(NO_ERROR, native_window_set_usage(anw.get(), 0)); + ASSERT_EQ(NO_ERROR, anw->dequeueBuffer(anw.get(), &buf)); + return; + } + ASSERT_EQ(NO_ERROR, anw->cancelBuffer(anw.get(), buf)); + for (int i = 0; i < 4; i++) { // Loop to make sure SurfaceFlinger has retired a protected buffer. ASSERT_EQ(NO_ERROR, anw->dequeueBuffer(anw.get(), &buf)); @@ -103,7 +115,7 @@ TEST_F(SurfaceTest, ScreenshotsOfProtectedBuffersFail) { heap = 0; w = h = fmt = 0; ASSERT_EQ(INVALID_OPERATION, sf->captureScreen(0, &heap, &w, &h, &fmt, - 64, 64, 0, 40000)); + 64, 64, 0, 0x7fffffff)); ASSERT_TRUE(heap == NULL); // XXX: This should not be needed, but it seems that the new buffers don't @@ -126,7 +138,7 @@ TEST_F(SurfaceTest, ScreenshotsOfProtectedBuffersFail) { heap = 0; w = h = fmt = 0; ASSERT_EQ(NO_ERROR, sf->captureScreen(0, &heap, &w, &h, &fmt, 64, 64, 0, - 40000)); + 0x7fffffff)); ASSERT_TRUE(heap != NULL); } |