diff options
Diffstat (limited to 'libs/rs/rsStream.cpp')
-rw-r--r-- | libs/rs/rsStream.cpp | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/libs/rs/rsStream.cpp b/libs/rs/rsStream.cpp deleted file mode 100644 index b9df0cc..0000000 --- a/libs/rs/rsStream.cpp +++ /dev/null @@ -1,113 +0,0 @@ - -/* - * 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 "rsStream.h" - -using namespace android; -using namespace android::renderscript; - -IStream::IStream(const uint8_t *buf, bool use64) { - mData = buf; - mPos = 0; - mUse64 = use64; -} - -void IStream::loadByteArray(void *dest, size_t numBytes) { - memcpy(dest, mData + mPos, numBytes); - mPos += numBytes; -} - -uint64_t IStream::loadOffset() { - uint64_t tmp; - if (mUse64) { - mPos = (mPos + 7) & (~7); - tmp = reinterpret_cast<const uint64_t *>(&mData[mPos])[0]; - mPos += sizeof(uint64_t); - return tmp; - } - return loadU32(); -} - -void IStream::loadString(String8 *s) { - uint32_t len = loadU32(); - s->setTo((const char *)&mData[mPos], len); - mPos += len; -} - -// Output stream implementation -OStream::OStream(uint64_t len, bool use64) { - mData = (uint8_t*)malloc(len); - mLength = len; - mPos = 0; - mUse64 = use64; -} - -OStream::~OStream() { - free(mData); -} - -void OStream::addByteArray(const void *src, size_t numBytes) { - // We need to potentially grow more than once if the number of byes we write is substantial - while (mPos + numBytes >= mLength) { - growSize(); - } - memcpy(mData + mPos, src, numBytes); - mPos += numBytes; -} - -void OStream::addOffset(uint64_t v) { - if (mUse64) { - mPos = (mPos + 7) & (~7); - if (mPos + sizeof(v) >= mLength) { - growSize(); - } - mData[mPos++] = (uint8_t)(v & 0xff); - mData[mPos++] = (uint8_t)((v >> 8) & 0xff); - mData[mPos++] = (uint8_t)((v >> 16) & 0xff); - mData[mPos++] = (uint8_t)((v >> 24) & 0xff); - mData[mPos++] = (uint8_t)((v >> 32) & 0xff); - mData[mPos++] = (uint8_t)((v >> 40) & 0xff); - mData[mPos++] = (uint8_t)((v >> 48) & 0xff); - mData[mPos++] = (uint8_t)((v >> 56) & 0xff); - } else { - addU32(v); - } -} - -void OStream::addString(String8 *s) { - uint32_t len = s->size(); - addU32(len); - if (mPos + len*sizeof(char) >= mLength) { - growSize(); - } - char *stringData = reinterpret_cast<char *>(&mData[mPos]); - for (uint32_t i = 0; i < len; i ++) { - stringData[i] = s->string()[i]; - } - mPos += len*sizeof(char); -} - -void OStream::growSize() { - uint8_t *newData = (uint8_t*)malloc(mLength*2); - memcpy(newData, mData, mLength*sizeof(uint8_t)); - mLength = mLength * 2; - free(mData); - mData = newData; -} - - |