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97 lines
2.6 KiB
97 lines
2.6 KiB
4 months ago
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/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_RS_THREAD_IO_H
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#define ANDROID_RS_THREAD_IO_H
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#include "rsUtils.h"
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#include "rsFifoSocket.h"
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// ---------------------------------------------------------------------------
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namespace android {
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namespace renderscript {
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class Context;
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class ThreadIO {
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public:
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ThreadIO();
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~ThreadIO();
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bool init();
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void shutdown();
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size_t getMaxInlineSize() {
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return mMaxInlineSize;
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}
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// Plays back commands from the client.
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// Returns true if any commands were processed.
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bool playCoreCommands(Context *con, int waitFd);
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void setTimeoutCallback(void (*)(void *), void *, uint64_t timeout);
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void * coreHeader(uint32_t, size_t dataLen);
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void coreCommit();
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void coreSetReturn(const void *data, size_t dataLen);
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void coreGetReturn(void *data, size_t dataLen);
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void coreWrite(const void *data, size_t len);
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void coreRead(void *data, size_t len);
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void asyncSetReturn(const void *data, size_t dataLen);
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void asyncGetReturn(void *data, size_t dataLen);
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void asyncWrite(const void *data, size_t len);
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void asyncRead(void *data, size_t len);
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RsMessageToClientType getClientHeader(size_t *receiveLen, uint32_t *usrID);
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RsMessageToClientType getClientPayload(void *data, size_t *receiveLen, uint32_t *subID, size_t bufferLen);
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bool sendToClient(RsMessageToClientType cmdID, uint32_t usrID, const void *data, size_t dataLen, bool waitForSpace);
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void clientShutdown();
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protected:
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typedef struct CoreCmdHeaderRec {
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uint32_t cmdID;
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uint32_t bytes;
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} CoreCmdHeader;
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typedef struct ClientCmdHeaderRec {
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uint32_t cmdID;
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uint32_t bytes;
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uint32_t userID;
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} ClientCmdHeader;
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ClientCmdHeader mLastClientHeader;
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bool mRunning;
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size_t mMaxInlineSize;
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FifoSocket mToClient;
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FifoSocket mToCore;
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intptr_t mToCoreRet;
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size_t mSendLen;
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uint8_t mSendBuffer[2 * 1024] __attribute__((aligned(sizeof(double))));
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};
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} // namespace renderscript
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} // namespace android
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#endif
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