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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.
*/
#include "rsContext.h"
#include "rsThreadIO.h"
using namespace android;
using namespace android::renderscript;
ThreadIO::ThreadIO() : mUsingSocket(false) {
}
ThreadIO::~ThreadIO() {
}
void ThreadIO::init(bool useSocket) {
mUsingSocket = useSocket;
mToCore.init(16 * 1024);
if (mUsingSocket) {
mToClientSocket.init();
mToCoreSocket.init();
} else {
mToClient.init(1024);
}
}
void ThreadIO::shutdown() {
//LOGE("shutdown 1");
mToCore.shutdown();
//LOGE("shutdown 2");
}
void ThreadIO::coreFlush() {
//LOGE("coreFlush 1");
if (mUsingSocket) {
} else {
mToCore.flush();
}
//LOGE("coreFlush 2");
}
void * ThreadIO::coreHeader(uint32_t cmdID, size_t dataLen) {
//LOGE("coreHeader %i %i", cmdID, dataLen);
if (mUsingSocket) {
CoreCmdHeader hdr;
hdr.bytes = dataLen;
hdr.cmdID = cmdID;
mToCoreSocket.writeAsync(&hdr, sizeof(hdr));
} else {
mCoreCommandSize = dataLen;
mCoreCommandID = cmdID;
mCoreDataPtr = (uint8_t *)mToCore.reserve(dataLen);
mCoreDataBasePtr = mCoreDataPtr;
}
//LOGE("coreHeader ret %p", mCoreDataPtr);
return mCoreDataPtr;
}
void ThreadIO::coreData(const void *data, size_t dataLen) {
//LOGE("coreData %p %i", data, dataLen);
mToCoreSocket.writeAsync(data, dataLen);
//LOGE("coreData ret %p", mCoreDataPtr);
}
void ThreadIO::coreCommit() {
//LOGE("coreCommit %p %p %i", mCoreDataPtr, mCoreDataBasePtr, mCoreCommandSize);
if (mUsingSocket) {
} else {
rsAssert((size_t)(mCoreDataPtr - mCoreDataBasePtr) <= mCoreCommandSize);
mToCore.commit(mCoreCommandID, mCoreCommandSize);
}
//LOGE("coreCommit ret");
}
void ThreadIO::coreCommitSync() {
//LOGE("coreCommitSync %p %p %i", mCoreDataPtr, mCoreDataBasePtr, mCoreCommandSize);
if (mUsingSocket) {
} else {
rsAssert((size_t)(mCoreDataPtr - mCoreDataBasePtr) <= mCoreCommandSize);
mToCore.commitSync(mCoreCommandID, mCoreCommandSize);
}
//LOGE("coreCommitSync ret");
}
void ThreadIO::clientShutdown() {
//LOGE("coreShutdown 1");
mToClient.shutdown();
//LOGE("coreShutdown 2");
}
void ThreadIO::coreSetReturn(const void *data, size_t dataLen) {
rsAssert(dataLen <= sizeof(mToCoreRet));
memcpy(&mToCoreRet, data, dataLen);
}
void ThreadIO::coreGetReturn(void *data, size_t dataLen) {
memcpy(data, &mToCoreRet, dataLen);
}
bool ThreadIO::playCoreCommands(Context *con, bool waitForCommand) {
bool ret = false;
while (!mToCore.isEmpty() || waitForCommand) {
uint32_t cmdID = 0;
uint32_t cmdSize = 0;
ret = true;
if (con->props.mLogTimes) {
con->timerSet(Context::RS_TIMER_IDLE);
}
const void * data = mToCore.get(&cmdID, &cmdSize);
if (!cmdSize) {
// exception occured, probably shutdown.
return false;
}
if (con->props.mLogTimes) {
con->timerSet(Context::RS_TIMER_INTERNAL);
}
waitForCommand = false;
//LOGV("playCoreCommands 3 %i %i", cmdID, cmdSize);
if (cmdID >= (sizeof(gPlaybackFuncs) / sizeof(void *))) {
rsAssert(cmdID < (sizeof(gPlaybackFuncs) / sizeof(void *)));
LOGE("playCoreCommands error con %p, cmd %i", con, cmdID);
mToCore.printDebugData();
}
gPlaybackFuncs[cmdID](con, data, cmdSize << 2);
mToCore.next();
}
return ret;
}
RsMessageToClientType ThreadIO::getClientHeader(size_t *receiveLen, uint32_t *usrID) {
if (mUsingSocket) {
mToClientSocket.read(&mLastClientHeader, sizeof(mLastClientHeader));
} else {
size_t bytesData = 0;
const uint32_t *d = (const uint32_t *)mToClient.get(&mLastClientHeader.cmdID, (uint32_t*)&bytesData);
if (bytesData >= sizeof(uint32_t)) {
mLastClientHeader.userID = d[0];
mLastClientHeader.bytes = bytesData - sizeof(uint32_t);
} else {
mLastClientHeader.userID = 0;
mLastClientHeader.bytes = 0;
}
}
receiveLen[0] = mLastClientHeader.bytes;
usrID[0] = mLastClientHeader.userID;
return (RsMessageToClientType)mLastClientHeader.cmdID;
}
RsMessageToClientType ThreadIO::getClientPayload(void *data, size_t *receiveLen,
uint32_t *usrID, size_t bufferLen) {
receiveLen[0] = mLastClientHeader.bytes;
usrID[0] = mLastClientHeader.userID;
if (bufferLen < mLastClientHeader.bytes) {
return RS_MESSAGE_TO_CLIENT_RESIZE;
}
if (mUsingSocket) {
if (receiveLen[0]) {
mToClientSocket.read(data, receiveLen[0]);
}
return (RsMessageToClientType)mLastClientHeader.cmdID;
} else {
uint32_t bytesData = 0;
uint32_t commandID = 0;
const uint32_t *d = (const uint32_t *)mToClient.get(&commandID, &bytesData);
//LOGE("getMessageToClient 3 %i %i", commandID, bytesData);
//LOGE("getMessageToClient %i %i", commandID, *subID);
if (bufferLen >= receiveLen[0]) {
memcpy(data, d+1, receiveLen[0]);
mToClient.next();
return (RsMessageToClientType)commandID;
}
}
return RS_MESSAGE_TO_CLIENT_RESIZE;
}
bool ThreadIO::sendToClient(RsMessageToClientType cmdID, uint32_t usrID, const void *data,
size_t dataLen, bool waitForSpace) {
ClientCmdHeader hdr;
hdr.bytes = dataLen;
hdr.cmdID = cmdID;
hdr.userID = usrID;
if (mUsingSocket) {
mToClientSocket.writeAsync(&hdr, sizeof(hdr));
if (dataLen) {
mToClientSocket.writeAsync(data, dataLen);
}
return true;
} else {
if (!waitForSpace) {
if (!mToClient.makeSpaceNonBlocking(dataLen + sizeof(hdr))) {
// Not enough room, and not waiting.
return false;
}
}
//LOGE("sendMessageToClient 2");
uint32_t *p = (uint32_t *)mToClient.reserve(dataLen + sizeof(usrID));
p[0] = usrID;
if (dataLen > 0) {
memcpy(p+1, data, dataLen);
}
mToClient.commit(cmdID, dataLen + sizeof(usrID));
//LOGE("sendMessageToClient 3");
return true;
}
return false;
}
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