rsCppUtils.h revision c04fc654149afa4ec8ba78e23787d3e148adbe2a
1/* 2 * Copyright (C) 2013 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef ANDROID_RS_CPP_UTILS_H 18#define ANDROID_RS_CPP_UTILS_H 19 20#if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB) 21#include <utils/Log.h> 22#include <cutils/atomic.h> 23#endif 24 25#include <stdint.h> 26 27#include <stdlib.h> 28#include <pthread.h> 29#include <time.h> 30 31#include <math.h> 32 33#ifdef RS_COMPATIBILITY_LIB 34#include <android/log.h> 35#endif 36 37#if defined(RS_SERVER) || defined(RS_COMPATIBILITY_LIB) 38 39#define ATRACE_TAG 40#define ATRACE_CALL(...) 41 42#include <string> 43#include <vector> 44#include <algorithm> 45 46#define ALOGE(...) \ 47 __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__); 48#define ALOGW(...) \ 49 __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__); 50#define ALOGD(...) \ 51 __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__); 52#define ALOGV(...) \ 53 __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__); 54 55typedef int64_t nsecs_t; // nano-seconds 56 57enum { 58 SYSTEM_TIME_REALTIME = 0, // system-wide realtime clock 59 SYSTEM_TIME_MONOTONIC = 1, // monotonic time since unspecified starting point 60 SYSTEM_TIME_PROCESS = 2, // high-resolution per-process clock 61 SYSTEM_TIME_THREAD = 3, // high-resolution per-thread clock 62}; 63 64static inline nsecs_t systemTime(int clock) 65{ 66#if defined(__linux__) 67 static const clockid_t clocks[] = { 68 CLOCK_REALTIME, 69 CLOCK_MONOTONIC, 70 CLOCK_PROCESS_CPUTIME_ID, 71 CLOCK_THREAD_CPUTIME_ID 72 }; 73 struct timespec t; 74 t.tv_sec = t.tv_nsec = 0; 75 clock_gettime(clocks[clock], &t); 76 return nsecs_t(t.tv_sec)*1000000000LL + t.tv_nsec; 77#else 78 // we don't support the clocks here. 79 struct timeval t; 80 t.tv_sec = t.tv_usec = 0; 81 gettimeofday(&t, nullptr); 82 return nsecs_t(t.tv_sec)*1000000000LL + nsecs_t(t.tv_usec)*1000LL; 83#endif 84} 85 86static inline nsecs_t nanoseconds_to_milliseconds(nsecs_t secs) 87{ 88 return secs/1000000; 89} 90 91 92#endif // RS_SERVER || RS_COMPATIBILITY_LIB 93 94namespace android { 95namespace renderscript { 96 97const char * rsuCopyString(const char *name); 98const char * rsuCopyString(const char *name, size_t len); 99 100#if 1 101#define rsAssert(v) do {if(!(v)) ALOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0) 102#else 103#define rsAssert(v) while (0) 104#endif 105 106template<typename T> 107T rsMin(T in1, T in2) 108{ 109 if (in1 > in2) { 110 return in2; 111 } 112 return in1; 113} 114 115template<typename T> 116T rsMax(T in1, T in2) { 117 if (in1 < in2) { 118 return in2; 119 } 120 return in1; 121} 122 123template<typename T> 124T rsFindHighBit(T val) { 125 uint32_t bit = 0; 126 while (val > 1) { 127 bit++; 128 val>>=1; 129 } 130 return bit; 131} 132 133template<typename T> 134bool rsIsPow2(T val) { 135 return (val & (val-1)) == 0; 136} 137 138template<typename T> 139T rsHigherPow2(T v) { 140 if (rsIsPow2(v)) { 141 return v; 142 } 143 return 1 << (rsFindHighBit(v) + 1); 144} 145 146template<typename T> 147T rsLowerPow2(T v) { 148 if (rsIsPow2(v)) { 149 return v; 150 } 151 return 1 << rsFindHighBit(v); 152} 153 154template<typename T> 155T rsRound(T v, unsigned int r) { 156 // Only valid for rounding up to powers of 2. 157 if ((r & (r - 1)) != 0) { 158 rsAssert(false && "Must be power of 2 for rounding up"); 159 return v; 160 } 161 T res = v + (r - 1); 162 if (res < v) { 163 rsAssert(false && "Overflow of rounding operation"); 164 return v; 165 } 166 res &= ~(r - 1); 167 return res; 168} 169 170static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) { 171 uint16_t t = 0; 172 t |= b >> 3; 173 t |= (g >> 2) << 5; 174 t |= (r >> 3) << 11; 175 return t; 176} 177 178static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) { 179 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f)); 180 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f); 181 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11)); 182 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11); 183} 184 185static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) { 186 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff); 187 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff); 188 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff); 189 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff); 190 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24); 191} 192 193} 194} 195 196#endif //ANDROID_RS_OBJECT_BASE_H 197