rsCppUtils.h revision b0934b67b95cc27e2358c2aa4db5f7c1067c8f9b
1f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams/* 2f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * Copyright (C) 2013 The Android Open Source Project 3f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * 4f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * Licensed under the Apache License, Version 2.0 (the "License"); 5f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * you may not use this file except in compliance with the License. 6f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * You may obtain a copy of the License at 7f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * 8f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * http://www.apache.org/licenses/LICENSE-2.0 9f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * 10f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * Unless required by applicable law or agreed to in writing, software 11f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * distributed under the License is distributed on an "AS IS" BASIS, 12f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * See the License for the specific language governing permissions and 14f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams * limitations under the License. 15f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams */ 16f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 17f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#ifndef ANDROID_RS_CPP_UTILS_H 18f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#define ANDROID_RS_CPP_UTILS_H 19f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 20b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB) 21f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <utils/Log.h> 22f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <utils/String8.h> 23f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <utils/Vector.h> 24f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <cutils/atomic.h> 25f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#endif 26f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 27f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <stdint.h> 28f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 29f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <stdlib.h> 30f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <pthread.h> 31f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <time.h> 32f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 33f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <math.h> 34f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 35b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#ifdef RS_COMPATIBILITY_LIB 36b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#include <android/log.h> 37b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#endif 38b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines 39b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#if defined(RS_SERVER) || defined(RS_COMPATIBILITY_LIB) 40f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 41f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <string> 42f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <vector> 43f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#include <algorithm> 44f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 45b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#define ALOGE(...) \ 46b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__); 47b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#define ALOGW(...) \ 48b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__); 49b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#define ALOGD(...) \ 50b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__); 51b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#define ALOGV(...) \ 52b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__); 53b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines 54f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samsnamespace android { 55f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 56f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams // server has no Vector or String8 classes; implement on top of STL 57f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams class String8: public std::string { 58f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams public: 59f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams String8(const char *ptr) : std::string(ptr) { 60f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 61f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 62b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines String8(const char *ptr, size_t len) : std::string(ptr, len) { 63b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines 64b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines } 65f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams String8() : std::string() { 66f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 67f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 68f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 69f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams const char* string() const { 70f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return this->c_str(); 71f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 72f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 73f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams void setTo(const char* str, ssize_t len) { 74f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams this->assign(str, len); 75f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 76f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams void setTo(const char* str) { 77f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams this->assign(str); 78f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 79b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines String8 getPathDir(void) const { 80b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines const char* cp; 81b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines const char*const str = this->c_str(); 82f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 83b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines cp = strrchr(str, OS_PATH_SEPARATOR); 84b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines if (cp == NULL) 85b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines return String8(""); 86b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines else 87b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines return String8(str, cp - str); 88b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines } 89f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams }; 90f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 91f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams template <class T> class Vector: public std::vector<T> { 92f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams public: 93f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams void push(T obj) { 94f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams this->push_back(obj); 95f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 96f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams void removeAt(uint32_t index) { 97f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams this->erase(this->begin() + index); 98f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 99f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams ssize_t add(const T& obj) { 100f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams this->push_back(obj); 101f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return this->size() - 1; 102f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 103f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams void setCapacity(ssize_t capacity) { 104f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams this->resize(capacity); 105f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 106f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 107f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams T* editArray() { 108b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines return (T*)(this->begin()); 109f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 110f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 111f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams const T* array() { 112b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines return (const T*)(this->begin()); 113f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 114f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 115f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams }; 116f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 117f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams template<> class Vector<bool>: public std::vector<char> { 118f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams public: 119f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams void push(bool obj) { 120f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams this->push_back(obj); 121f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 122f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams void removeAt(uint32_t index) { 123f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams this->erase(this->begin() + index); 124f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 125f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams ssize_t add(const bool& obj) { 126f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams this->push_back(obj); 127f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return this->size() - 1; 128f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 129f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams void setCapacity(ssize_t capacity) { 130f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams this->resize(capacity); 131f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 132f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 133f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams bool* editArray() { 134b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines return (bool*)(this->begin()); 135f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 136f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 137f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams const bool* array() { 138b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines return (const bool*)(this->begin()); 139f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 140f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams }; 141f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 142f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 143f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 144b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hinestypedef int64_t nsecs_t; // nano-seconds 145b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines 146b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hinesenum { 147b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines SYSTEM_TIME_REALTIME = 0, // system-wide realtime clock 148b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines SYSTEM_TIME_MONOTONIC = 1, // monotonic time since unspecified starting point 149b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines SYSTEM_TIME_PROCESS = 2, // high-resolution per-process clock 150b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines SYSTEM_TIME_THREAD = 3, // high-resolution per-thread clock 151b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines SYSTEM_TIME_BOOTTIME = 4 // same as SYSTEM_TIME_MONOTONIC, but including CPU suspend time 152b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines}; 153b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines 154b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hinesstatic inline nsecs_t systemTime(int clock) 155b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines{ 156b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#if defined(HAVE_POSIX_CLOCKS) 157b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines static const clockid_t clocks[] = { 158b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines CLOCK_REALTIME, 159b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines CLOCK_MONOTONIC, 160b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines CLOCK_PROCESS_CPUTIME_ID, 161b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines CLOCK_THREAD_CPUTIME_ID, 162b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines CLOCK_BOOTTIME 163b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines }; 164b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines struct timespec t; 165b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines t.tv_sec = t.tv_nsec = 0; 166b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines clock_gettime(clocks[clock], &t); 167b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines return nsecs_t(t.tv_sec)*1000000000LL + t.tv_nsec; 168b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#else 169b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines // we don't support the clocks here. 170b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines struct timeval t; 171b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines t.tv_sec = t.tv_usec = 0; 172b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines gettimeofday(&t, NULL); 173b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines return nsecs_t(t.tv_sec)*1000000000LL + nsecs_t(t.tv_usec)*1000LL; 174b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#endif 175b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines} 176b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines 177b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hinesstatic inline nsecs_t nanoseconds_to_milliseconds(nsecs_t secs) 178b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines{ 179b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines return secs/1000000; 180b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines} 181b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines 182b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines 183b0934b67b95cc27e2358c2aa4db5f7c1067c8f9bStephen Hines#endif // RS_SERVER || RS_COMPATIBILITY_LIB 184f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 185f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samsnamespace android { 186f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samsnamespace renderscript { 187f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 188f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#if 1 189f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#define rsAssert(v) do {if(!(v)) ALOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0) 190f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#else 191f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#define rsAssert(v) while (0) 192f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#endif 193f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 194f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samstemplate<typename T> 195f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason SamsT rsMin(T in1, T in2) 196f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams{ 197f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams if (in1 > in2) { 198f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return in2; 199f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 200f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return in1; 201f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 202f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 203f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samstemplate<typename T> 204f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason SamsT rsMax(T in1, T in2) { 205f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams if (in1 < in2) { 206f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return in2; 207f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 208f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return in1; 209f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 210f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 211f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samstemplate<typename T> 212f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason SamsT rsFindHighBit(T val) { 213f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams uint32_t bit = 0; 214f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams while (val > 1) { 215f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams bit++; 216f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams val>>=1; 217f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 218f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return bit; 219f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 220f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 221f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samstemplate<typename T> 222f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samsbool rsIsPow2(T val) { 223f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return (val & (val-1)) == 0; 224f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 225f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 226f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samstemplate<typename T> 227f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason SamsT rsHigherPow2(T v) { 228f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams if (rsIsPow2(v)) { 229f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return v; 230f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 231f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return 1 << (rsFindHighBit(v) + 1); 232f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 233f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 234f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samstemplate<typename T> 235f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason SamsT rsLowerPow2(T v) { 236f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams if (rsIsPow2(v)) { 237f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return v; 238f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 239f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return 1 << rsFindHighBit(v); 240f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 241f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 242f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samstemplate<typename T> 243f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason SamsT rsRound(T v, unsigned int r) { 244f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams // Only valid for rounding up to powers of 2. 245f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams if ((r & (r - 1)) != 0) { 246f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams rsAssert(false && "Must be power of 2 for rounding up"); 247f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return v; 248f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 249f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams T res = v + (r - 1); 250f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams if (res < v) { 251f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams rsAssert(false && "Overflow of rounding operation"); 252f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return v; 253f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams } 254f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams res &= ~(r - 1); 255f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return res; 256f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 257f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 258f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samsstatic inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) { 259f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams uint16_t t = 0; 260f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams t |= b >> 3; 261f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams t |= (g >> 2) << 5; 262f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams t |= (r >> 3) << 11; 263f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return t; 264f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 265f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 266f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samsstatic inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) { 267f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f)); 268f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f); 269f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11)); 270f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11); 271f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 272f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 273f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Samsstatic inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) { 274f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff); 275f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff); 276f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff); 277f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff); 278f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24); 279f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 280f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 281f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 282f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams} 283f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 284f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams#endif //ANDROID_RS_OBJECT_BASE_H 285f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 286f9e077a531c6a83e978d55f427b5d8ff6d2c943fJason Sams 287