1fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk/* 2fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * Copyright (C) 2009 The Android Open Source Project 3fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * 4fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * Licensed under the Apache License, Version 2.0 (the "License"); 5fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * you may not use this file except in compliance with the License. 6fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * You may obtain a copy of the License at 7fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * 8fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * http://www.apache.org/licenses/LICENSE-2.0 9fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * 10fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * Unless required by applicable law or agreed to in writing, software 11fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * distributed under the License is distributed on an "AS IS" BASIS, 12fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * See the License for the specific language governing permissions and 14fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk * limitations under the License. 15fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk */ 16fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk 17fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk#ifndef ANDROID_RS_STREAM_H 18fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk#define ANDROID_RS_STREAM_H 19fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk 20fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk#include <stdio.h> 210b575de8ed0b628d84d256f5846500b0385979bdTim Murray#include "rsUtils.h" 22fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk 23fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk// --------------------------------------------------------------------------- 24fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouknamespace android { 25fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouknamespace renderscript { 26fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk 27afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukclass IStream { 28fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchoukpublic: 29fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk IStream(const uint8_t *, bool use64); 30fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk 31fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk float loadF() { 32fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos = (mPos + 3) & (~3); 33fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk float tmp = reinterpret_cast<const float *>(&mData[mPos])[0]; 34fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos += sizeof(float); 35fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk return tmp; 36fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 37fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk int32_t loadI32() { 38fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos = (mPos + 3) & (~3); 39fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk int32_t tmp = reinterpret_cast<const int32_t *>(&mData[mPos])[0]; 40fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos += sizeof(int32_t); 41fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk return tmp; 42fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 43fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint32_t loadU32() { 44fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos = (mPos + 3) & (~3); 45fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint32_t tmp = reinterpret_cast<const uint32_t *>(&mData[mPos])[0]; 46fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos += sizeof(uint32_t); 47fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk return tmp; 48fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 49fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint16_t loadU16() { 50fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos = (mPos + 1) & (~1); 51fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint16_t tmp = reinterpret_cast<const uint16_t *>(&mData[mPos])[0]; 52fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos += sizeof(uint16_t); 53fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk return tmp; 54fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 55fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk inline uint8_t loadU8() { 56fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint8_t tmp = reinterpret_cast<const uint8_t *>(&mData[mPos])[0]; 57fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos += sizeof(uint8_t); 58fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk return tmp; 59fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 60fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void loadByteArray(void *dest, size_t numBytes); 61fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint64_t loadOffset(); 6248ecf6a5e85a9a832f41393ed2802385bb8b5db8Jason Sams const char * loadString(); 63fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint64_t getPos() const { 64fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk return mPos; 65fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 66fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void reset(uint64_t pos) { 67fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos = pos; 68fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 69fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void reset() { 70fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos = 0; 71fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 72afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk 73fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk const uint8_t * getPtr() const { 74fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk return mData; 75fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 76fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchoukprotected: 77fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk const uint8_t * mData; 78fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint64_t mPos; 79fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk bool mUse64; 80fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk}; 81fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk 82afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchoukclass OStream { 83fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchoukpublic: 84fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk OStream(uint64_t length, bool use64); 85fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk ~OStream(); 86afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk 87b825f67adb5d1e1751fe108e6dbf9c6f2555c283Alex Sakhartchouk void align(uint32_t bytes) { 88b825f67adb5d1e1751fe108e6dbf9c6f2555c283Alex Sakhartchouk mPos = (mPos + (bytes - 1)) & (~(bytes - 1)); 89afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mPos >= mLength) { 90b825f67adb5d1e1751fe108e6dbf9c6f2555c283Alex Sakhartchouk growSize(); 91b825f67adb5d1e1751fe108e6dbf9c6f2555c283Alex Sakhartchouk } 92b825f67adb5d1e1751fe108e6dbf9c6f2555c283Alex Sakhartchouk } 93afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk 94fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void addF(float v) { 95fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint32_t uintV = *reinterpret_cast<uint32_t*> (&v); 96fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk addU32(uintV); 97fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 98fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void addI32(int32_t v) { 99fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos = (mPos + 3) & (~3); 100afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mPos + sizeof(v) >= mLength) { 101fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk growSize(); 102fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 103fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mData[mPos++] = (uint8_t)(v & 0xff); 104fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mData[mPos++] = (uint8_t)((v >> 8) & 0xff); 105fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mData[mPos++] = (uint8_t)((v >> 16) & 0xff); 106fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mData[mPos++] = (uint8_t)((v >> 24) & 0xff); 107fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 108fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void addU32(uint32_t v) { 109fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos = (mPos + 3) & (~3); 110afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mPos + sizeof(v) >= mLength) { 111fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk growSize(); 112fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 113fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mData[mPos++] = (uint8_t)(v & 0xff); 114fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mData[mPos++] = (uint8_t)((v >> 8) & 0xff); 115fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mData[mPos++] = (uint8_t)((v >> 16) & 0xff); 116fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mData[mPos++] = (uint8_t)((v >> 24) & 0xff); 117fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 118fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void addU16(uint16_t v) { 119fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos = (mPos + 1) & (~1); 120afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mPos + sizeof(v) >= mLength) { 121fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk growSize(); 122fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 123fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mData[mPos++] = (uint8_t)(v & 0xff); 124fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mData[mPos++] = (uint8_t)(v >> 8); 125fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 126fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk inline void addU8(uint8_t v) { 127afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk if (mPos + 1 >= mLength) { 128fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk growSize(); 129fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 130fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk reinterpret_cast<uint8_t *>(&mData[mPos])[0] = v; 131fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos ++; 132fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 133fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void addByteArray(const void *src, size_t numBytes); 134fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void addOffset(uint64_t v); 13548ecf6a5e85a9a832f41393ed2802385bb8b5db8Jason Sams void addString(const char *name); 13648ecf6a5e85a9a832f41393ed2802385bb8b5db8Jason Sams void addString(const char *name, size_t len); 137fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint64_t getPos() const { 138fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk return mPos; 139fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 140fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void reset(uint64_t pos) { 141fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos = pos; 142fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 143fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void reset() { 144fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk mPos = 0; 145fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 146fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk const uint8_t * getPtr() const { 147fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk return mData; 148fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk } 149fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchoukprotected: 150fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk void growSize(); 151fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint8_t * mData; 152fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint64_t mLength; 153fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk uint64_t mPos; 154fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk bool mUse64; 155fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk}; 156afb743aca56c18beb7ab924e75cb6e070ef3e55aAlex Sakhartchouk 157fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk 158fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk} // renderscript 159fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk} // android 160fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk#endif //ANDROID_RS_STREAM_H 161fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk 162fb6b614bcea88a587a7ea4530be45ff0ffa0210eAlex Sakhartchouk 163