IGraphicBufferProducer.h revision 22f842ba04c32cef2faf855dc304eb0ab131b9ec
18ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis/* 28ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * Copyright (C) 2010 The Android Open Source Project 38ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * 48ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * Licensed under the Apache License, Version 2.0 (the "License"); 58ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * you may not use this file except in compliance with the License. 68ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * You may obtain a copy of the License at 78ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * 88ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * http://www.apache.org/licenses/LICENSE-2.0 98ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * 108ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * Unless required by applicable law or agreed to in writing, software 118ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * distributed under the License is distributed on an "AS IS" BASIS, 128ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * See the License for the specific language governing permissions and 148ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis * limitations under the License. 158ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis */ 168ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 172adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden#ifndef ANDROID_GUI_IGRAPHICBUFFERPRODUCER_H 182adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden#define ANDROID_GUI_IGRAPHICBUFFERPRODUCER_H 198ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 208ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <stdint.h> 218ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <sys/types.h> 228ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 238ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <utils/Errors.h> 248ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <utils/RefBase.h> 258ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 268ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <binder/IInterface.h> 278ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 28f78575400977f644cf0b12beb2fa5fc278b6ed4cJesse Hall#include <ui/Fence.h> 298ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <ui/GraphicBuffer.h> 308ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis#include <ui/Rect.h> 315065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza#include <ui/Region.h> 328ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 33ce796e78a57018f186b062199c75d94545318acaPablo Ceballos#include <gui/FrameTimestamps.h> 34ce796e78a57018f186b062199c75d94545318acaPablo Ceballos 358ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennisnamespace android { 368ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis// ---------------------------------------------------------------------------- 378ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 38f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stozaclass IProducerListener; 39399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hallclass NativeHandle; 40e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopianclass Surface; 41eafabcdc1639fb96062d9e3c39b0ae27b0238ae1Mathias Agopian 420273adbf0bc202eda2ca579ae0773464ea9c701fAndy McFadden/* 43466a192d2088f9238d34597d1aa28da41367c1caAndy McFadden * This class defines the Binder IPC interface for the producer side of 44466a192d2088f9238d34597d1aa28da41367c1caAndy McFadden * a queue of graphics buffers. It's used to send graphics data from one 45466a192d2088f9238d34597d1aa28da41367c1caAndy McFadden * component to another. For example, a class that decodes video for 46466a192d2088f9238d34597d1aa28da41367c1caAndy McFadden * playback might use this to provide frames. This is typically done 47e3c697fb929c856b59fa56a8e05a2a7eba187c3dMathias Agopian * indirectly, through Surface. 480273adbf0bc202eda2ca579ae0773464ea9c701fAndy McFadden * 49466a192d2088f9238d34597d1aa28da41367c1caAndy McFadden * The underlying mechanism is a BufferQueue, which implements 50466a192d2088f9238d34597d1aa28da41367c1caAndy McFadden * BnGraphicBufferProducer. In normal operation, the producer calls 51466a192d2088f9238d34597d1aa28da41367c1caAndy McFadden * dequeueBuffer() to get an empty buffer, fills it with data, then 52466a192d2088f9238d34597d1aa28da41367c1caAndy McFadden * calls queueBuffer() to make it available to the consumer. 530273adbf0bc202eda2ca579ae0773464ea9c701fAndy McFadden * 542adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden * This class was previously called ISurfaceTexture. 550273adbf0bc202eda2ca579ae0773464ea9c701fAndy McFadden */ 562adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFaddenclass IGraphicBufferProducer : public IInterface 578ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis{ 588ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennispublic: 5917576de056a57753eb4af797545db88ef4f81ef0Colin Cross DECLARE_META_INTERFACE(GraphicBufferProducer) 608ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 618072711307aa98ee5ee6f7369860ae38c3e19656Mathias Agopian enum { 627d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // A flag returned by dequeueBuffer when the client needs to call 637d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // requestBuffer immediately thereafter. 648072711307aa98ee5ee6f7369860ae38c3e19656Mathias Agopian BUFFER_NEEDS_REALLOCATION = 0x1, 657d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // A flag returned by dequeueBuffer when all mirrored slots should be 667d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // released by the client. This flag should always be processed first. 678072711307aa98ee5ee6f7369860ae38c3e19656Mathias Agopian RELEASE_ALL_BUFFERS = 0x2, 688072711307aa98ee5ee6f7369860ae38c3e19656Mathias Agopian }; 69a5c75c01620179ce00812354778a29a80d76e71fMathias Agopian 708ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // requestBuffer requests a new buffer for the given index. The server (i.e. 712adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden // the IGraphicBufferProducer implementation) assigns the newly created 722adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden // buffer to the given slot index, and the client is expected to mirror the 738ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // slot->buffer mapping so that it's not necessary to transfer a 748ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // GraphicBuffer for every dequeue operation. 757d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 767d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // The slot must be in the range of [0, NUM_BUFFER_SLOTS). 777d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 787d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // Return of a value other than NO_ERROR means an error has occurred: 79583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // * NO_INIT - the buffer queue has been abandoned or the producer is not 80583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // connected. 817d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * BAD_VALUE - one of the two conditions occurred: 827d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * slot was out of range (see above) 837d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * buffer specified by the slot is not dequeued 847b305fffc39d0fe0926e7fd2d7f6a524fbce62b7Jamie Gennis virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf) = 0; 858ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 86fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // setMaxDequeuedBufferCount sets the maximum number of buffers that can be 8772daab652e3481566c01ce45c6afdb9fcec6f140Pablo Ceballos // dequeued by the producer at one time. If this method succeeds, any new 8872daab652e3481566c01ce45c6afdb9fcec6f140Pablo Ceballos // buffer slots will be both unallocated and owned by the BufferQueue object 8972daab652e3481566c01ce45c6afdb9fcec6f140Pablo Ceballos // (i.e. they are not owned by the producer or consumer). Calling this may 9072daab652e3481566c01ce45c6afdb9fcec6f140Pablo Ceballos // also cause some buffer slots to be emptied. If the caller is caching the 91fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // contents of the buffer slots, it should empty that cache after calling 92fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // this method. 93fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // 9472daab652e3481566c01ce45c6afdb9fcec6f140Pablo Ceballos // This function should not be called with a value of maxDequeuedBuffers 9572daab652e3481566c01ce45c6afdb9fcec6f140Pablo Ceballos // that is less than the number of currently dequeued buffer slots. Doing so 9672daab652e3481566c01ce45c6afdb9fcec6f140Pablo Ceballos // will result in a BAD_VALUE error. 97fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // 98fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // The buffer count should be at least 1 (inclusive), but at most 99fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // (NUM_BUFFER_SLOTS - the minimum undequeued buffer count) (exclusive). The 100fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // minimum undequeued buffer count can be obtained by calling 101fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS). 102fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // 103fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // Return of a value other than NO_ERROR means an error has occurred: 104fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // * NO_INIT - the buffer queue has been abandoned. 105fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // * BAD_VALUE - one of the below conditions occurred: 10672daab652e3481566c01ce45c6afdb9fcec6f140Pablo Ceballos // * bufferCount was out of range (see above). 10772daab652e3481566c01ce45c6afdb9fcec6f140Pablo Ceballos // * client would have more than the requested number of dequeued 10872daab652e3481566c01ce45c6afdb9fcec6f140Pablo Ceballos // buffers after this call. 10972daab652e3481566c01ce45c6afdb9fcec6f140Pablo Ceballos // * this call would cause the maxBufferCount value to be exceeded. 11023b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // * failure to adjust the number of available slots. 111fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos virtual status_t setMaxDequeuedBufferCount(int maxDequeuedBuffers) = 0; 112fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos 113fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // Set the async flag if the producer intends to asynchronously queue 114fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // buffers without blocking. Typically this is used for triple-buffering 115fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // and/or when the swap interval is set to zero. 116fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // 117fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // Enabling async mode will internally allocate an additional buffer to 118fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // allow for the asynchronous behavior. If it is not enabled queue/dequeue 119fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // calls may block. 120fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // 121fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // Return of a value other than NO_ERROR means an error has occurred: 122fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos // * NO_INIT - the buffer queue has been abandoned. 12323b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // * BAD_VALUE - one of the following has occurred: 12423b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // * this call would cause the maxBufferCount value to be 125b687a2814ca9db576eb1ea33dea90ac35cd61bc1Pablo Ceballos // exceeded 12623b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // * failure to adjust the number of available slots. 127fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos virtual status_t setAsyncMode(bool async) = 0; 128fa455354557f6283ff3a7d76979e52fd251c155fPablo Ceballos 1298ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // dequeueBuffer requests a new buffer slot for the client to use. Ownership 1308ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // of the slot is transfered to the client, meaning that the server will not 1317d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // use the contents of the buffer associated with that slot. 1327d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 1337d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // The slot index returned may or may not contain a buffer (client-side). 1347d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // If the slot is empty the client should call requestBuffer to assign a new 1357d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // buffer to that slot. 1367d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 1377d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // Once the client is done filling this buffer, it is expected to transfer 1387d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // buffer ownership back to the server with either cancelBuffer on 1397d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // the dequeued slot or to fill in the contents of its associated buffer 1407d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // contents and call queueBuffer. 1417d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 1427d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // If dequeueBuffer returns the BUFFER_NEEDS_REALLOCATION flag, the client is 143a5c75c01620179ce00812354778a29a80d76e71fMathias Agopian // expected to call requestBuffer immediately. 144f78575400977f644cf0b12beb2fa5fc278b6ed4cJesse Hall // 1457d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // If dequeueBuffer returns the RELEASE_ALL_BUFFERS flag, the client is 1467d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // expected to release all of the mirrored slot->buffer mappings. 1477d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 148f78575400977f644cf0b12beb2fa5fc278b6ed4cJesse Hall // The fence parameter will be updated to hold the fence associated with 149f78575400977f644cf0b12beb2fa5fc278b6ed4cJesse Hall // the buffer. The contents of the buffer must not be overwritten until the 1507d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // fence signals. If the fence is Fence::NO_FENCE, the buffer may be written 151f78575400977f644cf0b12beb2fa5fc278b6ed4cJesse Hall // immediately. 1527cdd786fa80cf03551291ae8feca7b77583be1c5Mathias Agopian // 1537d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // The width and height parameters must be no greater than the minimum of 1547d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // GL_MAX_VIEWPORT_DIMS and GL_MAX_TEXTURE_SIZE (see: glGetIntegerv). 1557d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // An error due to invalid dimensions might not be reported until 1567d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // updateTexImage() is called. If width and height are both zero, the 1577d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // default values specified by setDefaultBufferSize() are used instead. 1587d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 1593be1c6b60a188dc10025e2ce156c11fac050625dDan Stoza // If the format is 0, the default format will be used. 1607d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 1617d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // The usage argument specifies gralloc buffer usage flags. The values 1627d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // are enumerated in <gralloc.h>, e.g. GRALLOC_USAGE_HW_RENDER. These 1637d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // will be merged with the usage flags specified by 1647d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // IGraphicBufferConsumer::setConsumerUsageBits. 1657d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 1667d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // This call will block until a buffer is available to be dequeued. If 1677d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // both the producer and consumer are controlled by the app, then this call 1687d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // can never block and will return WOULD_BLOCK if no buffer is available. 1697d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 1707d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // A non-negative value with flags set (see above) will be returned upon 1717d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // success. 1727d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 1737d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // Return of a negative means an error has occurred: 174583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // * NO_INIT - the buffer queue has been abandoned or the producer is not 175583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // connected. 1769f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // * BAD_VALUE - both in async mode and buffer count was less than the 1779f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // max numbers of buffers that can be allocated at once. 1789f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // * INVALID_OPERATION - cannot attach the buffer because it would cause 1799f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // too many buffers to be dequeued, either because 1809f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // the producer already has a single buffer dequeued 1819f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // and did not set a buffer count, or because a 1829f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // buffer count was set and this call would cause 1839f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // it to be exceeded. 1847d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * WOULD_BLOCK - no buffer is currently available, and blocking is disabled 1857d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // since both the producer/consumer are controlled by app 1867d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * NO_MEMORY - out of memory, cannot allocate the graphics buffer. 187127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // * TIMED_OUT - the timeout set by setDequeueTimeout was exceeded while 188127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // waiting for a buffer to become available. 1897d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 1907d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // All other negative values are an unknown error returned downstream 1917d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // from the graphics allocator (typically errno). 192567dbbb6dd42be5013fcde0dadb3316d85f2fa0dPablo Ceballos virtual status_t dequeueBuffer(int* slot, sp<Fence>* fence, uint32_t w, 1937c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson uint32_t h, PixelFormat format, uint32_t usage, 1947c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson FrameEventHistoryDelta* outTimestamps) = 0; 1958ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 1969f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // detachBuffer attempts to remove all ownership of the buffer in the given 1979f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // slot from the buffer queue. If this call succeeds, the slot will be 1989f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // freed, and there will be no way to obtain the buffer from this interface. 1999f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // The freed slot will remain unallocated until either it is selected to 2009f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // hold a freshly allocated buffer in dequeueBuffer or a buffer is attached 2019f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // to the slot. The buffer must have already been dequeued, and the caller 2029f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // must already possesses the sp<GraphicBuffer> (i.e., must have called 2039f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // requestBuffer). 2049f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // 2059f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Return of a value other than NO_ERROR means an error has occurred: 206583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // * NO_INIT - the buffer queue has been abandoned or the producer is not 207583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // connected. 2089f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // * BAD_VALUE - the given slot number is invalid, either because it is 2099f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // out of the range [0, NUM_BUFFER_SLOTS), or because the slot 2109f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // it refers to is not currently dequeued and requested. 2119f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza virtual status_t detachBuffer(int slot) = 0; 2129f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 213d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // detachNextBuffer is equivalent to calling dequeueBuffer, requestBuffer, 214d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // and detachBuffer in sequence, except for two things: 215d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // 216d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // 1) It is unnecessary to know the dimensions, format, or usage of the 217d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // next buffer. 218d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // 2) It will not block, since if it cannot find an appropriate buffer to 219d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // return, it will return an error instead. 220d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // 221d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // Only slots that are free but still contain a GraphicBuffer will be 222d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // considered, and the oldest of those will be returned. outBuffer is 223d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // equivalent to outBuffer from the requestBuffer call, and outFence is 224d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // equivalent to fence from the dequeueBuffer call. 225d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // 226d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // Return of a value other than NO_ERROR means an error has occurred: 227583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // * NO_INIT - the buffer queue has been abandoned or the producer is not 228583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // connected. 229d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // * BAD_VALUE - either outBuffer or outFence were NULL. 230d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // * NO_MEMORY - no slots were found that were both free and contained a 231d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza // GraphicBuffer. 232d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza virtual status_t detachNextBuffer(sp<GraphicBuffer>* outBuffer, 233d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza sp<Fence>* outFence) = 0; 234d9822a3843017444364899afc3c23fb5be6b9cb9Dan Stoza 2359f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // attachBuffer attempts to transfer ownership of a buffer to the buffer 2369f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // queue. If this call succeeds, it will be as if this buffer was dequeued 2379f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // from the returned slot number. As such, this call will fail if attaching 2389f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // this buffer would cause too many buffers to be simultaneously dequeued. 2399f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // 2409f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // If attachBuffer returns the RELEASE_ALL_BUFFERS flag, the caller is 2419f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // expected to release all of the mirrored slot->buffer mappings. 2429f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // 2439f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // A non-negative value with flags set (see above) will be returned upon 2449f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // success. 2459f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // 2469f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // Return of a negative value means an error has occurred: 247583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // * NO_INIT - the buffer queue has been abandoned or the producer is not 248583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // connected. 249812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza // * BAD_VALUE - outSlot or buffer were NULL, invalid combination of 250812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza // async mode and buffer count override, or the generation 251812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza // number of the buffer did not match the buffer queue. 2529f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // * INVALID_OPERATION - cannot attach the buffer because it would cause 2539f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // too many buffers to be dequeued, either because 2549f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // the producer already has a single buffer dequeued 2559f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // and did not set a buffer count, or because a 2569f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // buffer count was set and this call would cause 2579f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // it to be exceeded. 2589f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // * WOULD_BLOCK - no buffer slot is currently available, and blocking is 2599f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // disabled since both the producer/consumer are 2609f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza // controlled by the app. 261127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // * TIMED_OUT - the timeout set by setDequeueTimeout was exceeded while 262127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // waiting for a slot to become available. 2639f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza virtual status_t attachBuffer(int* outSlot, 2649f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza const sp<GraphicBuffer>& buffer) = 0; 2659f3053de78630815d60cf48a2cf2348cc5867c45Dan Stoza 2668ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // queueBuffer indicates that the client has finished filling in the 2678ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // contents of the buffer associated with slot and transfers ownership of 2687d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // that slot back to the server. 2697d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 2707d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // It is not valid to call queueBuffer on a slot that is not owned 2717d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // by the client or one for which a buffer associated via requestBuffer 2727d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // (an attempt to do so will fail with a return value of BAD_VALUE). 2737d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 2747d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // In addition, the input must be described by the client (as documented 2757d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // below). Any other properties (zero point, etc) 2761d01a12e7150be569557b64da9b8663c62c13594Eino-Ville Talvala // are client-dependent, and should be documented by the client. 27797c602c5af5f3ffd69009bf496d86347b71a2b4cMathias Agopian // 2787d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // The slot must be in the range of [0, NUM_BUFFER_SLOTS). 2797d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 2807d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // Upon success, the output will be filled with meaningful values 2817d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // (refer to the documentation below). 2827cdd786fa80cf03551291ae8feca7b77583be1c5Mathias Agopian // 2837d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // Return of a value other than NO_ERROR means an error has occurred: 284583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // * NO_INIT - the buffer queue has been abandoned or the producer is not 285583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // connected. 2867d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * BAD_VALUE - one of the below conditions occurred: 2877d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * fence was NULL 2887d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * scaling mode was unknown 2897d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * both in async mode and buffer count was less than the 2907d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // max numbers of buffers that can be allocated at once 2917d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * slot index was out of range (see above). 2927d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * the slot was not in the dequeued state 2937d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * the slot was enqueued without requesting a buffer 2947d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * crop rect is out of bounds of the buffer dimensions 295f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian 296e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian struct QueueBufferInput : public Flattenable<QueueBufferInput> { 297e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian friend class Flattenable<QueueBufferInput>; 29865d4787875544af168de512d3172777595ab59f7Chih-Hung Hsieh explicit inline QueueBufferInput(const Parcel& parcel); 299baaad32cd582bcc09db89135715717234ea398eaBrian Anderson 3007d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // timestamp - a monotonically increasing value in nanoseconds 3017d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // isAutoTimestamp - if the timestamp was synthesized at queue time 30282c6bcc9705eabcaf5b9e45bc81867b0e2d61a02Eino-Ville Talvala // dataSpace - description of the contents, interpretation depends on format 3037d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // crop - a crop rectangle that's used as a hint to the consumer 3047d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // scalingMode - a set of flags from NATIVE_WINDOW_SCALING_* in <window.h> 3057d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // transform - a set of flags from NATIVE_WINDOW_TRANSFORM_* in <window.h> 3067d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // fence - a fence that the consumer must wait on before reading the buffer, 3077d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // set this to Fence::NO_FENCE if the buffer is ready immediately 3081681d95989271f3a9ac0dbb93d10e4a29f2b4444Ruben Brunk // sticky - the sticky transform set in Surface (only used by the LEGACY 3091681d95989271f3a9ac0dbb93d10e4a29f2b4444Ruben Brunk // camera mode). 3107c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson // getFrameTimestamps - whether or not the latest frame timestamps 3117c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson // should be retrieved from the consumer. 312382ecd3d6345aeeda158a8d94cc0aee1bd3a45dcColin Cross inline QueueBufferInput(int64_t _timestamp, bool _isAutoTimestamp, 313382ecd3d6345aeeda158a8d94cc0aee1bd3a45dcColin Cross android_dataspace _dataSpace, const Rect& _crop, 314382ecd3d6345aeeda158a8d94cc0aee1bd3a45dcColin Cross int _scalingMode, uint32_t _transform, const sp<Fence>& _fence, 3157c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson uint32_t _sticky = 0, bool _getFrameTimestamps = false) 316382ecd3d6345aeeda158a8d94cc0aee1bd3a45dcColin Cross : timestamp(_timestamp), isAutoTimestamp(_isAutoTimestamp), 317382ecd3d6345aeeda158a8d94cc0aee1bd3a45dcColin Cross dataSpace(_dataSpace), crop(_crop), scalingMode(_scalingMode), 318382ecd3d6345aeeda158a8d94cc0aee1bd3a45dcColin Cross transform(_transform), stickyTransform(_sticky), fence(_fence), 3197c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson surfaceDamage(), getFrameTimestamps(_getFrameTimestamps) { } 320baaad32cd582bcc09db89135715717234ea398eaBrian Anderson 3213c25621ad7d13f64d3ab95a27fa970fbc9998f73Andy McFadden inline void deflate(int64_t* outTimestamp, bool* outIsAutoTimestamp, 32282c6bcc9705eabcaf5b9e45bc81867b0e2d61a02Eino-Ville Talvala android_dataspace* outDataSpace, 32382c6bcc9705eabcaf5b9e45bc81867b0e2d61a02Eino-Ville Talvala Rect* outCrop, int* outScalingMode, 324567dbbb6dd42be5013fcde0dadb3316d85f2fa0dPablo Ceballos uint32_t* outTransform, sp<Fence>* outFence, 3257c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson uint32_t* outStickyTransform = nullptr, 3267c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson bool* outGetFrameTimestamps = nullptr) const { 327f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian *outTimestamp = timestamp; 3283c25621ad7d13f64d3ab95a27fa970fbc9998f73Andy McFadden *outIsAutoTimestamp = bool(isAutoTimestamp); 32982c6bcc9705eabcaf5b9e45bc81867b0e2d61a02Eino-Ville Talvala *outDataSpace = dataSpace; 330f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian *outCrop = crop; 331f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian *outScalingMode = scalingMode; 332f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian *outTransform = transform; 333c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall *outFence = fence; 3341681d95989271f3a9ac0dbb93d10e4a29f2b4444Ruben Brunk if (outStickyTransform != NULL) { 3351681d95989271f3a9ac0dbb93d10e4a29f2b4444Ruben Brunk *outStickyTransform = stickyTransform; 3361681d95989271f3a9ac0dbb93d10e4a29f2b4444Ruben Brunk } 3377c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson if (outGetFrameTimestamps) { 3387c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson *outGetFrameTimestamps = getFrameTimestamps; 3397c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson } 340f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian } 341c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall 342e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian // Flattenable protocol 3437c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson static constexpr size_t minFlattenedSize(); 344e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian size_t getFlattenedSize() const; 345e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian size_t getFdCount() const; 346e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian status_t flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const; 347e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count); 348c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall 3495065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza const Region& getSurfaceDamage() const { return surfaceDamage; } 3505065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza void setSurfaceDamage(const Region& damage) { surfaceDamage = damage; } 3515065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza 352f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian private: 353bd3577ef5bae7d65e54bddc04f90b619330edb89Pablo Ceballos int64_t timestamp{0}; 354bd3577ef5bae7d65e54bddc04f90b619330edb89Pablo Ceballos int isAutoTimestamp{0}; 355bd3577ef5bae7d65e54bddc04f90b619330edb89Pablo Ceballos android_dataspace dataSpace{HAL_DATASPACE_UNKNOWN}; 356f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian Rect crop; 357bd3577ef5bae7d65e54bddc04f90b619330edb89Pablo Ceballos int scalingMode{0}; 358bd3577ef5bae7d65e54bddc04f90b619330edb89Pablo Ceballos uint32_t transform{0}; 359bd3577ef5bae7d65e54bddc04f90b619330edb89Pablo Ceballos uint32_t stickyTransform{0}; 360c777b0b3b9b0ea5d8e378fccde6935765e28e329Jesse Hall sp<Fence> fence; 3615065a55291b67f584d7b0be3fa3cfc4e29a3cd1cDan Stoza Region surfaceDamage; 3627c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson bool getFrameTimestamps{false}; 363f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian }; 364f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian 365baaad32cd582bcc09db89135715717234ea398eaBrian Anderson struct QueueBufferOutput : public Flattenable<QueueBufferOutput> { 3663d4039d7a291cd9b6f2dd4b46fcdb576f2db3356Brian Anderson QueueBufferOutput() = default; 3673d4039d7a291cd9b6f2dd4b46fcdb576f2db3356Brian Anderson 3683d4039d7a291cd9b6f2dd4b46fcdb576f2db3356Brian Anderson // Moveable. 3693d4039d7a291cd9b6f2dd4b46fcdb576f2db3356Brian Anderson QueueBufferOutput(QueueBufferOutput&& src) = default; 3703d4039d7a291cd9b6f2dd4b46fcdb576f2db3356Brian Anderson QueueBufferOutput& operator=(QueueBufferOutput&& src) = default; 3713d4039d7a291cd9b6f2dd4b46fcdb576f2db3356Brian Anderson // Not copyable. 3723d4039d7a291cd9b6f2dd4b46fcdb576f2db3356Brian Anderson QueueBufferOutput(const QueueBufferOutput& src) = delete; 3733d4039d7a291cd9b6f2dd4b46fcdb576f2db3356Brian Anderson QueueBufferOutput& operator=(const QueueBufferOutput& src) = delete; 3743d4039d7a291cd9b6f2dd4b46fcdb576f2db3356Brian Anderson 375baaad32cd582bcc09db89135715717234ea398eaBrian Anderson // Flattenable protocol 3767c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson static constexpr size_t minFlattenedSize(); 377baaad32cd582bcc09db89135715717234ea398eaBrian Anderson size_t getFlattenedSize() const; 378baaad32cd582bcc09db89135715717234ea398eaBrian Anderson size_t getFdCount() const; 379baaad32cd582bcc09db89135715717234ea398eaBrian Anderson status_t flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const; 380baaad32cd582bcc09db89135715717234ea398eaBrian Anderson status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count); 381baaad32cd582bcc09db89135715717234ea398eaBrian Anderson 382bd3577ef5bae7d65e54bddc04f90b619330edb89Pablo Ceballos uint32_t width{0}; 383bd3577ef5bae7d65e54bddc04f90b619330edb89Pablo Ceballos uint32_t height{0}; 384bd3577ef5bae7d65e54bddc04f90b619330edb89Pablo Ceballos uint32_t transformHint{0}; 385bd3577ef5bae7d65e54bddc04f90b619330edb89Pablo Ceballos uint32_t numPendingBuffers{0}; 386bc8c1928e1dbdaf6a2820f6e426c96ed61284043Pablo Ceballos uint64_t nextFrameNumber{0}; 3877c3ba8aa288755fad78ddbabcee0ad5a0610ac1cBrian Anderson FrameEventHistoryDelta frameTimestamps; 38822f842ba04c32cef2faf855dc304eb0ab131b9ecShuzhen Wang bool bufferReplaced{false}; 389f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian }; 390f0bc2f1d8d37977bd3aef3d3326a70e9e69d4246Mathias Agopian 391567dbbb6dd42be5013fcde0dadb3316d85f2fa0dPablo Ceballos virtual status_t queueBuffer(int slot, const QueueBufferInput& input, 392567dbbb6dd42be5013fcde0dadb3316d85f2fa0dPablo Ceballos QueueBufferOutput* output) = 0; 3938ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 3948ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // cancelBuffer indicates that the client does not wish to fill in the 3958ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // buffer associated with slot and transfers ownership of the slot back to 3968ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis // the server. 3977d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 3987d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // The buffer is not queued for use by the consumer. 3997d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 400583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // The slot must be in the range of [0, NUM_BUFFER_SLOTS). 401583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // 4027d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // The buffer will not be overwritten until the fence signals. The fence 4037d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // will usually be the one obtained from dequeueBuffer. 404583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // 405583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // Return of a value other than NO_ERROR means an error has occurred: 406583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // * NO_INIT - the buffer queue has been abandoned or the producer is not 407583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // connected. 408583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // * BAD_VALUE - one of the below conditions occurred: 409583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // * fence was NULL 410583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // * slot index was out of range (see above). 411583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos // * the slot was not in the dequeued state 412583b1b32191992d6ada58b3c61c71932a71c0c4bPablo Ceballos virtual status_t cancelBuffer(int slot, const sp<Fence>& fence) = 0; 4138ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 414eafabcdc1639fb96062d9e3c39b0ae27b0238ae1Mathias Agopian // query retrieves some information for this surface 4157d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 'what' tokens allowed are that of NATIVE_WINDOW_* in <window.h> 4167d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 4177d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // Return of a value other than NO_ERROR means an error has occurred: 4187d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * NO_INIT - the buffer queue has been abandoned. 4197d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * BAD_VALUE - what was out of range 420eafabcdc1639fb96062d9e3c39b0ae27b0238ae1Mathias Agopian virtual int query(int what, int* value) = 0; 4218072711307aa98ee5ee6f7369860ae38c3e19656Mathias Agopian 4222adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden // connect attempts to connect a client API to the IGraphicBufferProducer. 4232adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden // This must be called before any other IGraphicBufferProducer methods are 4247d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // called except for getAllocator. A consumer must be already connected. 425fe0a87b54654a1392650e7f1862df473287d8332Jamie Gennis // 426fe0a87b54654a1392650e7f1862df473287d8332Jamie Gennis // This method will fail if the connect was previously called on the 4272adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden // IGraphicBufferProducer and no corresponding disconnect call was made. 4285bfc24515bb5c8ea7975f72d538df37753733a2fMathias Agopian // 429f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza // The listener is an optional binder callback object that can be used if 430f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza // the producer wants to be notified when the consumer releases a buffer 431f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza // back to the BufferQueue. It is also used to detect the death of the 432f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza // producer. If only the latter functionality is desired, there is a 433f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza // DummyProducerListener class in IProducerListener.h that can be used. 4347d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 4357d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // The api should be one of the NATIVE_WINDOW_API_* values in <window.h> 4367d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 4377d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // The producerControlledByApp should be set to true if the producer is hosted 4387d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // by an untrusted process (typically app_process-forked processes). If both 4397d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // the producer and the consumer are app-controlled then all buffer queues 4407d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // will operate in async mode regardless of the async flag. 4417d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 4427d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // Upon success, the output will be filled with meaningful data 4437d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // (refer to QueueBufferOutput documentation above). 4447d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 4457d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // Return of a value other than NO_ERROR means an error has occurred: 4467d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * NO_INIT - one of the following occurred: 4477d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * the buffer queue was abandoned 4487d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * no consumer has yet connected 4497d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * BAD_VALUE - one of the following has occurred: 4507d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * the producer is already connected 4517d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * api was out of range (see above). 4527ea777f097784492f880623067becac1b276f884Igor Murashkin // * output was NULL. 45323b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // * Failure to adjust the number of available slots. This can 45423b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // happen because of trying to allocate/deallocate the async 45523b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // buffer in response to the value of producerControlledByApp. 4567d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * DEAD_OBJECT - the token is hosted by an already-dead process 4577d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 4587d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // Additional negative errors may be returned by the internals, they 4597d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // should be treated as opaque fatal unrecoverable errors. 460f0eaf25e9247edf4d124bedaeb863f7abdf35a3eDan Stoza virtual status_t connect(const sp<IProducerListener>& listener, 461365857df8b94c959dea984a63013f6e7730ef976Mathias Agopian int api, bool producerControlledByApp, QueueBufferOutput* output) = 0; 462fe0a87b54654a1392650e7f1862df473287d8332Jamie Gennis 46397b9c86338e2d364d47ea7522c2d81a8014f0e07Robert Carr enum class DisconnectMode { 46497b9c86338e2d364d47ea7522c2d81a8014f0e07Robert Carr // Disconnect only the specified API. 46597b9c86338e2d364d47ea7522c2d81a8014f0e07Robert Carr Api, 46697b9c86338e2d364d47ea7522c2d81a8014f0e07Robert Carr // Disconnect any API originally connected from the process calling disconnect. 46797b9c86338e2d364d47ea7522c2d81a8014f0e07Robert Carr AllLocal 46897b9c86338e2d364d47ea7522c2d81a8014f0e07Robert Carr }; 46997b9c86338e2d364d47ea7522c2d81a8014f0e07Robert Carr 4702adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden // disconnect attempts to disconnect a client API from the 4712adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden // IGraphicBufferProducer. Calling this method will cause any subsequent 4722adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden // calls to other IGraphicBufferProducer methods to fail except for 4732adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden // getAllocator and connect. Successfully calling connect after this will 4742adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden // allow the other methods to succeed again. 475fe0a87b54654a1392650e7f1862df473287d8332Jamie Gennis // 4767d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // The api should be one of the NATIVE_WINDOW_API_* values in <window.h> 4777d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 47897b9c86338e2d364d47ea7522c2d81a8014f0e07Robert Carr // Alternatively if mode is AllLocal, then the API value is ignored, and any API 47997b9c86338e2d364d47ea7522c2d81a8014f0e07Robert Carr // connected from the same PID calling disconnect will be disconnected. 48097b9c86338e2d364d47ea7522c2d81a8014f0e07Robert Carr // 4817d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // Disconnecting from an abandoned IGraphicBufferProducer is legal and 4827d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // is considered a no-op. 4837d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // 4847d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // Return of a value other than NO_ERROR means an error has occurred: 4857d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * BAD_VALUE - one of the following has occurred: 4867d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * the api specified does not match the one that was connected 4877d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * api was out of range (see above). 4887d2d160cdc3cba9f4454f38433c94b68376cb843Igor Murashkin // * DEAD_OBJECT - the token is hosted by an already-dead process 48997b9c86338e2d364d47ea7522c2d81a8014f0e07Robert Carr virtual status_t disconnect(int api, DisconnectMode mode = DisconnectMode::Api) = 0; 490399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall 491399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall // Attaches a sideband buffer stream to the IGraphicBufferProducer. 492399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall // 493399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall // A sideband stream is a device-specific mechanism for passing buffers 494399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall // from the producer to the consumer without using dequeueBuffer/ 495399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall // queueBuffer. If a sideband stream is present, the consumer can choose 496399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall // whether to acquire buffers from the sideband stream or from the queued 497399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall // buffers. 498399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall // 499399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall // Passing NULL or a different stream handle will detach the previous 500399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall // handle if any. 501399184a4cd728ea1421fb0bc1722274a29e38f4aJesse Hall virtual status_t setSidebandStream(const sp<NativeHandle>& stream) = 0; 50229a3e90879fd96404c971e7187cd0e05927bbce0Dan Stoza 50329a3e90879fd96404c971e7187cd0e05927bbce0Dan Stoza // Allocates buffers based on the given dimensions/format. 50429a3e90879fd96404c971e7187cd0e05927bbce0Dan Stoza // 50529a3e90879fd96404c971e7187cd0e05927bbce0Dan Stoza // This function will allocate up to the maximum number of buffers 50629a3e90879fd96404c971e7187cd0e05927bbce0Dan Stoza // permitted by the current BufferQueue configuration. It will use the 50729a3e90879fd96404c971e7187cd0e05927bbce0Dan Stoza // given format, dimensions, and usage bits, which are interpreted in the 50829a3e90879fd96404c971e7187cd0e05927bbce0Dan Stoza // same way as for dequeueBuffer, and the async flag must be set the same 50929a3e90879fd96404c971e7187cd0e05927bbce0Dan Stoza // way as for dequeueBuffer to ensure that the correct number of buffers are 51029a3e90879fd96404c971e7187cd0e05927bbce0Dan Stoza // allocated. This is most useful to avoid an allocation delay during 51129a3e90879fd96404c971e7187cd0e05927bbce0Dan Stoza // dequeueBuffer. If there are already the maximum number of buffers 51229a3e90879fd96404c971e7187cd0e05927bbce0Dan Stoza // allocated, this function has no effect. 513567dbbb6dd42be5013fcde0dadb3316d85f2fa0dPablo Ceballos virtual void allocateBuffers(uint32_t width, uint32_t height, 5143be1c6b60a188dc10025e2ce156c11fac050625dDan Stoza PixelFormat format, uint32_t usage) = 0; 5159de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza 5169de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza // Sets whether dequeueBuffer is allowed to allocate new buffers. 5179de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza // 5189de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza // Normally dequeueBuffer does not discriminate between free slots which 5199de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza // already have an allocated buffer and those which do not, and will 5209de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza // allocate a new buffer if the slot doesn't have a buffer or if the slot's 5219de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza // buffer doesn't match the requested size, format, or usage. This method 5229de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza // allows the producer to restrict the eligible slots to those which already 5239de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza // have an allocated buffer of the correct size, format, and usage. If no 5249de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza // eligible slot is available, dequeueBuffer will block or return an error 5259de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza // as usual. 5269de7293b0a1b01ebe6fb1ab4a498f144adc8029fDan Stoza virtual status_t allowAllocation(bool allow) = 0; 527812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza 528812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza // Sets the current generation number of the BufferQueue. 529812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza // 530812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza // This generation number will be inserted into any buffers allocated by the 531812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza // BufferQueue, and any attempts to attach a buffer with a different 532812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza // generation number will fail. Buffers already in the queue are not 533812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza // affected and will retain their current generation number. The generation 534812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza // number defaults to 0. 535812ed0644f8f8f71ca403f4e5793f0dbc1fcf9b2Dan Stoza virtual status_t setGenerationNumber(uint32_t generationNumber) = 0; 536c6f30bdee1f634eb90d68cb76efe935b6535a1e8Dan Stoza 537c6f30bdee1f634eb90d68cb76efe935b6535a1e8Dan Stoza // Returns the name of the connected consumer. 538c6f30bdee1f634eb90d68cb76efe935b6535a1e8Dan Stoza virtual String8 getConsumerName() const = 0; 5397dde599bf1a0dbef7390d91c2689d506371cdbd7Dan Stoza 5403559fbf93801e2c0d9d8fb246fb9b867a361b464Pablo Ceballos // Used to enable/disable shared buffer mode. 541ccdfd60d79a8b7f1ed6401d0f2e8e29166a10584Pablo Ceballos // 5423559fbf93801e2c0d9d8fb246fb9b867a361b464Pablo Ceballos // When shared buffer mode is enabled the first buffer that is queued or 543295a9fc8aa87daa2cded5c1a279b8cd24e9a9a9fPablo Ceballos // dequeued will be cached and returned to all subsequent calls to 544295a9fc8aa87daa2cded5c1a279b8cd24e9a9a9fPablo Ceballos // dequeueBuffer and acquireBuffer. This allows the producer and consumer to 545295a9fc8aa87daa2cded5c1a279b8cd24e9a9a9fPablo Ceballos // simultaneously access the same buffer. 5463559fbf93801e2c0d9d8fb246fb9b867a361b464Pablo Ceballos virtual status_t setSharedBufferMode(bool sharedBufferMode) = 0; 547127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza 548ff95aabbcc6e8606acbd7933c90eeb9b8b382a21Pablo Ceballos // Used to enable/disable auto-refresh. 549ff95aabbcc6e8606acbd7933c90eeb9b8b382a21Pablo Ceballos // 5503559fbf93801e2c0d9d8fb246fb9b867a361b464Pablo Ceballos // Auto refresh has no effect outside of shared buffer mode. In shared 551ff95aabbcc6e8606acbd7933c90eeb9b8b382a21Pablo Ceballos // buffer mode, when enabled, it indicates to the consumer that it should 552ff95aabbcc6e8606acbd7933c90eeb9b8b382a21Pablo Ceballos // attempt to acquire buffers even if it is not aware of any being 553ff95aabbcc6e8606acbd7933c90eeb9b8b382a21Pablo Ceballos // available. 554ff95aabbcc6e8606acbd7933c90eeb9b8b382a21Pablo Ceballos virtual status_t setAutoRefresh(bool autoRefresh) = 0; 555ff95aabbcc6e8606acbd7933c90eeb9b8b382a21Pablo Ceballos 556127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // Sets how long dequeueBuffer will wait for a buffer to become available 557127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // before returning an error (TIMED_OUT). 558127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // 559127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // This timeout also affects the attachBuffer call, which will block if 560127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // there is not a free slot available into which the attached buffer can be 561127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // placed. 562127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // 563127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // By default, the BufferQueue will wait forever, which is indicated by a 564127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // timeout of -1. If set (to a value other than -1), this will disable 565127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // non-blocking mode and its corresponding spare buffer (which is used to 566127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza // ensure a buffer is always available). 56723b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // 56823b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // Return of a value other than NO_ERROR means an error has occurred: 56923b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // * BAD_VALUE - Failure to adjust the number of available slots. This can 57023b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // happen because of trying to allocate/deallocate the async 57123b4abe024ea88c45e0b94c80e1fb537a573b143Pablo Ceballos // buffer. 572127fc63e8a15366b4395f1363e8e18eb058d1709Dan Stoza virtual status_t setDequeueTimeout(nsecs_t timeout) = 0; 57350101d02a8eae555887282a5f761fdec57bdaf30Dan Stoza 57450101d02a8eae555887282a5f761fdec57bdaf30Dan Stoza // Returns the last queued buffer along with a fence which must signal 57550101d02a8eae555887282a5f761fdec57bdaf30Dan Stoza // before the contents of the buffer are read. If there are no buffers in 57650101d02a8eae555887282a5f761fdec57bdaf30Dan Stoza // the queue, outBuffer will be populated with nullptr and outFence will be 57750101d02a8eae555887282a5f761fdec57bdaf30Dan Stoza // populated with Fence::NO_FENCE 57850101d02a8eae555887282a5f761fdec57bdaf30Dan Stoza // 5791a61da5e28fa16ad556a58193c8bbeb32a5f636dJohn Reck // outTransformMatrix is not modified if outBuffer is null. 5801a61da5e28fa16ad556a58193c8bbeb32a5f636dJohn Reck // 58150101d02a8eae555887282a5f761fdec57bdaf30Dan Stoza // Returns NO_ERROR or the status of the Binder transaction 58250101d02a8eae555887282a5f761fdec57bdaf30Dan Stoza virtual status_t getLastQueuedBuffer(sp<GraphicBuffer>* outBuffer, 5831a61da5e28fa16ad556a58193c8bbeb32a5f636dJohn Reck sp<Fence>* outFence, float outTransformMatrix[16]) = 0; 584ce796e78a57018f186b062199c75d94545318acaPablo Ceballos 5853890c3995c4a52439844faeb80b5503d42b977d8Brian Anderson // Gets the frame events that haven't already been retrieved. 5863890c3995c4a52439844faeb80b5503d42b977d8Brian Anderson virtual void getFrameTimestamps(FrameEventHistoryDelta* /*outDelta*/) {} 5870ade247d4b02b81f323480b4ba043927f6b36a73Pablo Ceballos 5888e3e92b906db431c4fa822f21242977d4ee99942Pablo Ceballos // Returns a unique id for this BufferQueue 5898e3e92b906db431c4fa822f21242977d4ee99942Pablo Ceballos virtual status_t getUniqueId(uint64_t* outId) const = 0; 5908ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis}; 5918ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 5928ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis// ---------------------------------------------------------------------------- 5938ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 5942adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFaddenclass BnGraphicBufferProducer : public BnInterface<IGraphicBufferProducer> 5958ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis{ 5968ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennispublic: 5978ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis virtual status_t onTransact( uint32_t code, 5988ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis const Parcel& data, 5998ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis Parcel* reply, 6008ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis uint32_t flags = 0); 6018ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis}; 6028ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 6038ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis// ---------------------------------------------------------------------------- 6048ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis}; // namespace android 6058ba32fade11abb73f3fd47ea0953c9528eb5b91fJamie Gennis 6062adaf04fab35cf47c824d74d901b54094e01ccd3Andy McFadden#endif // ANDROID_GUI_IGRAPHICBUFFERPRODUCER_H 607