/* * Copyright (C) 2013 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #define EGL_EGLEXT_PROTOTYPES #include #include #include #include #include #include #include #include #include #include #include #include namespace android { // --------------------------------------------------------------------------- IGraphicBufferConsumer::BufferItem::BufferItem() : mTransform(0), mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE), mTimestamp(0), mIsAutoTimestamp(false), mFrameNumber(0), mBuf(INVALID_BUFFER_SLOT), mIsDroppable(false), mAcquireCalled(false), mTransformToDisplayInverse(false) { mCrop.makeInvalid(); } size_t IGraphicBufferConsumer::BufferItem::getPodSize() const { size_t c = sizeof(mCrop) + sizeof(mTransform) + sizeof(mScalingMode) + sizeof(mTimestamp) + sizeof(mIsAutoTimestamp) + sizeof(mFrameNumber) + sizeof(mBuf) + sizeof(mIsDroppable) + sizeof(mAcquireCalled) + sizeof(mTransformToDisplayInverse); return c; } size_t IGraphicBufferConsumer::BufferItem::getFlattenedSize() const { size_t c = 0; if (mGraphicBuffer != 0) { c += mGraphicBuffer->getFlattenedSize(); FlattenableUtils::align<4>(c); } if (mFence != 0) { c += mFence->getFlattenedSize(); FlattenableUtils::align<4>(c); } return sizeof(int32_t) + c + getPodSize(); } size_t IGraphicBufferConsumer::BufferItem::getFdCount() const { size_t c = 0; if (mGraphicBuffer != 0) { c += mGraphicBuffer->getFdCount(); } if (mFence != 0) { c += mFence->getFdCount(); } return c; } status_t IGraphicBufferConsumer::BufferItem::flatten( void*& buffer, size_t& size, int*& fds, size_t& count) const { // make sure we have enough space if (count < BufferItem::getFlattenedSize()) { return NO_MEMORY; } // content flags are stored first uint32_t& flags = *static_cast(buffer); // advance the pointer FlattenableUtils::advance(buffer, size, sizeof(uint32_t)); flags = 0; if (mGraphicBuffer != 0) { status_t err = mGraphicBuffer->flatten(buffer, size, fds, count); if (err) return err; size -= FlattenableUtils::align<4>(buffer); flags |= 1; } if (mFence != 0) { status_t err = mFence->flatten(buffer, size, fds, count); if (err) return err; size -= FlattenableUtils::align<4>(buffer); flags |= 2; } // check we have enough space (in case flattening the fence/graphicbuffer lied to us) if (size < getPodSize()) { return NO_MEMORY; } FlattenableUtils::write(buffer, size, mCrop); FlattenableUtils::write(buffer, size, mTransform); FlattenableUtils::write(buffer, size, mScalingMode); FlattenableUtils::write(buffer, size, mTimestamp); FlattenableUtils::write(buffer, size, mIsAutoTimestamp); FlattenableUtils::write(buffer, size, mFrameNumber); FlattenableUtils::write(buffer, size, mBuf); FlattenableUtils::write(buffer, size, mIsDroppable); FlattenableUtils::write(buffer, size, mAcquireCalled); FlattenableUtils::write(buffer, size, mTransformToDisplayInverse); return NO_ERROR; } status_t IGraphicBufferConsumer::BufferItem::unflatten( void const*& buffer, size_t& size, int const*& fds, size_t& count) { if (size < sizeof(uint32_t)) return NO_MEMORY; uint32_t flags = 0; FlattenableUtils::read(buffer, size, flags); if (flags & 1) { mGraphicBuffer = new GraphicBuffer(); status_t err = mGraphicBuffer->unflatten(buffer, size, fds, count); if (err) return err; size -= FlattenableUtils::align<4>(buffer); } if (flags & 2) { mFence = new Fence(); status_t err = mFence->unflatten(buffer, size, fds, count); if (err) return err; size -= FlattenableUtils::align<4>(buffer); } // check we have enough space if (size < getPodSize()) { return NO_MEMORY; } FlattenableUtils::read(buffer, size, mCrop); FlattenableUtils::read(buffer, size, mTransform); FlattenableUtils::read(buffer, size, mScalingMode); FlattenableUtils::read(buffer, size, mTimestamp); FlattenableUtils::read(buffer, size, mIsAutoTimestamp); FlattenableUtils::read(buffer, size, mFrameNumber); FlattenableUtils::read(buffer, size, mBuf); FlattenableUtils::read(buffer, size, mIsDroppable); FlattenableUtils::read(buffer, size, mAcquireCalled); FlattenableUtils::read(buffer, size, mTransformToDisplayInverse); return NO_ERROR; } // --------------------------------------------------------------------------- enum { ACQUIRE_BUFFER = IBinder::FIRST_CALL_TRANSACTION, RELEASE_BUFFER, CONSUMER_CONNECT, CONSUMER_DISCONNECT, GET_RELEASED_BUFFERS, SET_DEFAULT_BUFFER_SIZE, SET_DEFAULT_MAX_BUFFER_COUNT, DISABLE_ASYNC_BUFFER, SET_MAX_ACQUIRED_BUFFER_COUNT, SET_CONSUMER_NAME, SET_DEFAULT_BUFFER_FORMAT, SET_CONSUMER_USAGE_BITS, SET_TRANSFORM_HINT, DUMP, }; class BpGraphicBufferConsumer : public BpInterface { public: BpGraphicBufferConsumer(const sp& impl) : BpInterface(impl) { } virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); data.writeInt64(presentWhen); status_t result = remote()->transact(ACQUIRE_BUFFER, data, &reply); if (result != NO_ERROR) { return result; } result = reply.read(*buffer); if (result != NO_ERROR) { return result; } return reply.readInt32(); } virtual status_t releaseBuffer(int buf, uint64_t frameNumber, EGLDisplay display __attribute__((unused)), EGLSyncKHR fence __attribute__((unused)), const sp& releaseFence) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); data.writeInt32(buf); data.writeInt64(frameNumber); data.write(*releaseFence); status_t result = remote()->transact(RELEASE_BUFFER, data, &reply); if (result != NO_ERROR) { return result; } return reply.readInt32(); } virtual status_t consumerConnect(const sp& consumer, bool controlledByApp) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); data.writeStrongBinder(consumer->asBinder()); data.writeInt32(controlledByApp); status_t result = remote()->transact(CONSUMER_CONNECT, data, &reply); if (result != NO_ERROR) { return result; } return reply.readInt32(); } virtual status_t consumerDisconnect() { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); status_t result = remote()->transact(CONSUMER_DISCONNECT, data, &reply); if (result != NO_ERROR) { return result; } return reply.readInt32(); } virtual status_t getReleasedBuffers(uint32_t* slotMask) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); status_t result = remote()->transact(GET_RELEASED_BUFFERS, data, &reply); if (result != NO_ERROR) { return result; } *slotMask = reply.readInt32(); return reply.readInt32(); } virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); data.writeInt32(w); data.writeInt32(h); status_t result = remote()->transact(SET_DEFAULT_BUFFER_SIZE, data, &reply); if (result != NO_ERROR) { return result; } return reply.readInt32(); } virtual status_t setDefaultMaxBufferCount(int bufferCount) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); data.writeInt32(bufferCount); status_t result = remote()->transact(SET_DEFAULT_MAX_BUFFER_COUNT, data, &reply); if (result != NO_ERROR) { return result; } return reply.readInt32(); } virtual status_t disableAsyncBuffer() { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); status_t result = remote()->transact(DISABLE_ASYNC_BUFFER, data, &reply); if (result != NO_ERROR) { return result; } return reply.readInt32(); } virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); data.writeInt32(maxAcquiredBuffers); status_t result = remote()->transact(SET_MAX_ACQUIRED_BUFFER_COUNT, data, &reply); if (result != NO_ERROR) { return result; } return reply.readInt32(); } virtual void setConsumerName(const String8& name) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); data.writeString8(name); remote()->transact(SET_CONSUMER_NAME, data, &reply); } virtual status_t setDefaultBufferFormat(uint32_t defaultFormat) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); data.writeInt32(defaultFormat); status_t result = remote()->transact(SET_DEFAULT_BUFFER_FORMAT, data, &reply); if (result != NO_ERROR) { return result; } return reply.readInt32(); } virtual status_t setConsumerUsageBits(uint32_t usage) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); data.writeInt32(usage); status_t result = remote()->transact(SET_CONSUMER_USAGE_BITS, data, &reply); if (result != NO_ERROR) { return result; } return reply.readInt32(); } virtual status_t setTransformHint(uint32_t hint) { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); data.writeInt32(hint); status_t result = remote()->transact(SET_TRANSFORM_HINT, data, &reply); if (result != NO_ERROR) { return result; } return reply.readInt32(); } virtual void dump(String8& result, const char* prefix) const { Parcel data, reply; data.writeInterfaceToken(IGraphicBufferConsumer::getInterfaceDescriptor()); data.writeString8(result); data.writeString8(String8(prefix ? prefix : "")); remote()->transact(DUMP, data, &reply); reply.readString8(); } }; IMPLEMENT_META_INTERFACE(GraphicBufferConsumer, "android.gui.IGraphicBufferConsumer"); // ---------------------------------------------------------------------- status_t BnGraphicBufferConsumer::onTransact( uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) { switch(code) { case ACQUIRE_BUFFER: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); BufferItem item; int64_t presentWhen = data.readInt64(); status_t result = acquireBuffer(&item, presentWhen); status_t err = reply->write(item); if (err) return err; reply->writeInt32(result); return NO_ERROR; } break; case RELEASE_BUFFER: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); int buf = data.readInt32(); uint64_t frameNumber = data.readInt64(); sp releaseFence = new Fence(); status_t err = data.read(*releaseFence); if (err) return err; status_t result = releaseBuffer(buf, frameNumber, EGL_NO_DISPLAY, EGL_NO_SYNC_KHR, releaseFence); reply->writeInt32(result); return NO_ERROR; } break; case CONSUMER_CONNECT: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); sp consumer = IConsumerListener::asInterface( data.readStrongBinder() ); bool controlledByApp = data.readInt32(); status_t result = consumerConnect(consumer, controlledByApp); reply->writeInt32(result); return NO_ERROR; } break; case CONSUMER_DISCONNECT: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); status_t result = consumerDisconnect(); reply->writeInt32(result); return NO_ERROR; } break; case GET_RELEASED_BUFFERS: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); uint32_t slotMask; status_t result = getReleasedBuffers(&slotMask); reply->writeInt32(slotMask); reply->writeInt32(result); return NO_ERROR; } break; case SET_DEFAULT_BUFFER_SIZE: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); uint32_t w = data.readInt32(); uint32_t h = data.readInt32(); status_t result = setDefaultBufferSize(w, h); reply->writeInt32(result); return NO_ERROR; } break; case SET_DEFAULT_MAX_BUFFER_COUNT: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); uint32_t bufferCount = data.readInt32(); status_t result = setDefaultMaxBufferCount(bufferCount); reply->writeInt32(result); return NO_ERROR; } break; case DISABLE_ASYNC_BUFFER: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); status_t result = disableAsyncBuffer(); reply->writeInt32(result); return NO_ERROR; } break; case SET_MAX_ACQUIRED_BUFFER_COUNT: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); uint32_t maxAcquiredBuffers = data.readInt32(); status_t result = setMaxAcquiredBufferCount(maxAcquiredBuffers); reply->writeInt32(result); return NO_ERROR; } break; case SET_CONSUMER_NAME: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); setConsumerName( data.readString8() ); return NO_ERROR; } break; case SET_DEFAULT_BUFFER_FORMAT: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); uint32_t defaultFormat = data.readInt32(); status_t result = setDefaultBufferFormat(defaultFormat); reply->writeInt32(result); return NO_ERROR; } break; case SET_CONSUMER_USAGE_BITS: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); uint32_t usage = data.readInt32(); status_t result = setConsumerUsageBits(usage); reply->writeInt32(result); return NO_ERROR; } break; case SET_TRANSFORM_HINT: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); uint32_t hint = data.readInt32(); status_t result = setTransformHint(hint); reply->writeInt32(result); return NO_ERROR; } break; case DUMP: { CHECK_INTERFACE(IGraphicBufferConsumer, data, reply); String8 result = data.readString8(); String8 prefix = data.readString8(); static_cast(this)->dump(result, prefix); reply->writeString8(result); return NO_ERROR; } } return BBinder::onTransact(code, data, reply, flags); } }; // namespace android