1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_RS_THREAD_IO_H 18 #define ANDROID_RS_THREAD_IO_H 19 20 #include "rsUtils.h" 21 #include "rsLocklessFifo.h" 22 #include "rsFifoSocket.h" 23 24 // --------------------------------------------------------------------------- 25 namespace android { 26 namespace renderscript { 27 28 class Context; 29 30 class ThreadIO { 31 public: 32 ThreadIO(); 33 ~ThreadIO(); 34 35 void init(bool useSocket = false); 36 void shutdown(); 37 38 // Plays back commands from the client. 39 // Returns true if any commands were processed. 40 bool playCoreCommands(Context *con, bool waitForCommand, uint64_t timeToWait); 41 42 void setTimoutCallback(void (*)(void *), void *, uint64_t timeout); 43 //LocklessCommandFifo mToCore; 44 45 46 47 void coreFlush(); 48 void * coreHeader(uint32_t, size_t dataLen); 49 void coreData(const void *data, size_t dataLen); 50 void coreCommit(); 51 void coreCommitSync(); 52 void coreSetReturn(const void *data, size_t dataLen); 53 void coreGetReturn(void *data, size_t dataLen); 54 55 56 RsMessageToClientType getClientHeader(size_t *receiveLen, uint32_t *usrID); 57 RsMessageToClientType getClientPayload(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen); 58 bool sendToClient(RsMessageToClientType cmdID, uint32_t usrID, const void *data, size_t dataLen, bool waitForSpace); 59 void clientShutdown(); 60 61 62 protected: 63 typedef struct CoreCmdHeaderRec { 64 uint32_t cmdID; 65 uint32_t bytes; 66 } CoreCmdHeader; 67 typedef struct ClientCmdHeaderRec { 68 uint32_t cmdID; 69 uint32_t bytes; 70 uint32_t userID; 71 } ClientCmdHeader; 72 ClientCmdHeader mLastClientHeader; 73 74 size_t mCoreCommandSize; 75 uint32_t mCoreCommandID; 76 uint8_t * mCoreDataPtr; 77 uint8_t * mCoreDataBasePtr; 78 79 bool mUsingSocket; 80 LocklessCommandFifo mToClient; 81 LocklessCommandFifo mToCore; 82 83 FifoSocket mToClientSocket; 84 FifoSocket mToCoreSocket; 85 86 intptr_t mToCoreRet; 87 88 }; 89 90 91 } 92 } 93 #endif 94 95