10f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines/* 20f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * Copyright (C) 2009 The Android Open Source Project 30f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * 40f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * Licensed under the Apache License, Version 2.0 (the "License"); 50f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * you may not use this file except in compliance with the License. 60f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * You may obtain a copy of the License at 70f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * 80f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * http://www.apache.org/licenses/LICENSE-2.0 90f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * 100f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * Unless required by applicable law or agreed to in writing, software 110f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * distributed under the License is distributed on an "AS IS" BASIS, 120f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * See the License for the specific language governing permissions and 140f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines * limitations under the License. 150f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines */ 160f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 170f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines#ifndef ANDROID_RS_STREAM_H 180f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines#define ANDROID_RS_STREAM_H 190f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 200f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines#include <utils/String8.h> 210f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines#include <stdio.h> 220f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 230f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines// --------------------------------------------------------------------------- 240f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinesnamespace android { 250f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinesnamespace renderscript { 260f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 270f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinesclass IStream { 280f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinespublic: 290f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines IStream(const uint8_t *, bool use64); 300f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 310f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines float loadF() { 320f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = (mPos + 3) & (~3); 330f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines float tmp = reinterpret_cast<const float *>(&mData[mPos])[0]; 340f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos += sizeof(float); 350f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return tmp; 360f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 370f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines int32_t loadI32() { 380f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = (mPos + 3) & (~3); 390f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines int32_t tmp = reinterpret_cast<const int32_t *>(&mData[mPos])[0]; 400f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos += sizeof(int32_t); 410f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return tmp; 420f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 430f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint32_t loadU32() { 440f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = (mPos + 3) & (~3); 450f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint32_t tmp = reinterpret_cast<const uint32_t *>(&mData[mPos])[0]; 460f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos += sizeof(uint32_t); 470f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return tmp; 480f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 490f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint16_t loadU16() { 500f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = (mPos + 1) & (~1); 510f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint16_t tmp = reinterpret_cast<const uint16_t *>(&mData[mPos])[0]; 520f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos += sizeof(uint16_t); 530f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return tmp; 540f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 550f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines inline uint8_t loadU8() { 560f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint8_t tmp = reinterpret_cast<const uint8_t *>(&mData[mPos])[0]; 570f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos += sizeof(uint8_t); 580f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return tmp; 590f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 600f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void loadByteArray(void *dest, size_t numBytes); 610f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint64_t loadOffset(); 620f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void loadString(String8 *s); 630f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint64_t getPos() const { 640f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return mPos; 650f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 660f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void reset(uint64_t pos) { 670f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = pos; 680f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 690f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void reset() { 700f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = 0; 710f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 720f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 730f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines const uint8_t * getPtr() const { 740f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return mData; 750f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 760f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinesprotected: 770f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines const uint8_t * mData; 780f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint64_t mPos; 790f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines bool mUse64; 800f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines}; 810f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 820f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinesclass OStream { 830f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinespublic: 840f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines OStream(uint64_t length, bool use64); 850f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines ~OStream(); 860f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 870f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void align(uint32_t bytes) { 880f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = (mPos + (bytes - 1)) & (~(bytes - 1)); 890f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines if (mPos >= mLength) { 900f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines growSize(); 910f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 920f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 930f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 940f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void addF(float v) { 950f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint32_t uintV = *reinterpret_cast<uint32_t*> (&v); 960f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines addU32(uintV); 970f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 980f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void addI32(int32_t v) { 990f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = (mPos + 3) & (~3); 1000f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines if (mPos + sizeof(v) >= mLength) { 1010f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines growSize(); 1020f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1030f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mData[mPos++] = (uint8_t)(v & 0xff); 1040f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mData[mPos++] = (uint8_t)((v >> 8) & 0xff); 1050f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mData[mPos++] = (uint8_t)((v >> 16) & 0xff); 1060f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mData[mPos++] = (uint8_t)((v >> 24) & 0xff); 1070f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1080f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void addU32(uint32_t v) { 1090f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = (mPos + 3) & (~3); 1100f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines if (mPos + sizeof(v) >= mLength) { 1110f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines growSize(); 1120f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1130f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mData[mPos++] = (uint8_t)(v & 0xff); 1140f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mData[mPos++] = (uint8_t)((v >> 8) & 0xff); 1150f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mData[mPos++] = (uint8_t)((v >> 16) & 0xff); 1160f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mData[mPos++] = (uint8_t)((v >> 24) & 0xff); 1170f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1180f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void addU16(uint16_t v) { 1190f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = (mPos + 1) & (~1); 1200f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines if (mPos + sizeof(v) >= mLength) { 1210f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines growSize(); 1220f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1230f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mData[mPos++] = (uint8_t)(v & 0xff); 1240f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mData[mPos++] = (uint8_t)(v >> 8); 1250f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1260f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines inline void addU8(uint8_t v) { 1270f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines if (mPos + 1 >= mLength) { 1280f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines growSize(); 1290f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1300f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines reinterpret_cast<uint8_t *>(&mData[mPos])[0] = v; 1310f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos ++; 1320f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1330f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void addByteArray(const void *src, size_t numBytes); 1340f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void addOffset(uint64_t v); 1350f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void addString(String8 *s); 1360f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint64_t getPos() const { 1370f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return mPos; 1380f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1390f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void reset(uint64_t pos) { 1400f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = pos; 1410f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1420f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void reset() { 1430f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines mPos = 0; 1440f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1450f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines const uint8_t * getPtr() const { 1460f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines return mData; 1470f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines } 1480f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hinesprotected: 1490f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines void growSize(); 1500f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint8_t * mData; 1510f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint64_t mLength; 1520f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines uint64_t mPos; 1530f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines bool mUse64; 1540f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines}; 1550f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 1560f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 1570f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines} // renderscript 1580f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines} // android 1590f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines#endif //ANDROID_RS_STREAM_H 1600f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 1610f6f72e19db852cc253fd2fc05459abdf8d5c3afStephen Hines 162