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/*
* Copyright (C) 2009 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.
*/
#ifndef ANDROID_RS_THREAD_IO_H
#define ANDROID_RS_THREAD_IO_H
#include "rsUtils.h"
#include "rsLocklessFifo.h"
#include "rsFifoSocket.h"
// ---------------------------------------------------------------------------
namespace android {
namespace renderscript {
class Context;
class ThreadIO {
public:
ThreadIO();
~ThreadIO();
void init(bool useSocket = false);
void shutdown();
// Plays back commands from the client.
// Returns true if any commands were processed.
bool playCoreCommands(Context *con, bool waitForCommand, uint64_t timeToWait);
//LocklessCommandFifo mToCore;
void coreFlush();
void * coreHeader(uint32_t, size_t dataLen);
void coreData(const void *data, size_t dataLen);
void coreCommit();
void coreCommitSync();
void coreSetReturn(const void *data, size_t dataLen);
void coreGetReturn(void *data, size_t dataLen);
RsMessageToClientType getClientHeader(size_t *receiveLen, uint32_t *usrID);
RsMessageToClientType getClientPayload(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen);
bool sendToClient(RsMessageToClientType cmdID, uint32_t usrID, const void *data, size_t dataLen, bool waitForSpace);
void clientShutdown();
protected:
typedef struct CoreCmdHeaderRec {
uint32_t cmdID;
uint32_t bytes;
} CoreCmdHeader;
typedef struct ClientCmdHeaderRec {
uint32_t cmdID;
uint32_t bytes;
uint32_t userID;
} ClientCmdHeader;
ClientCmdHeader mLastClientHeader;
size_t mCoreCommandSize;
uint32_t mCoreCommandID;
uint8_t * mCoreDataPtr;
uint8_t * mCoreDataBasePtr;
bool mUsingSocket;
LocklessCommandFifo mToClient;
LocklessCommandFifo mToCore;
FifoSocket mToClientSocket;
FifoSocket mToCoreSocket;
intptr_t mToCoreRet;
};
}
}
#endif
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