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 #include <stdint.h> 21 #include <stdlib.h> 22 #include <pthread.h> 23 #include <time.h> 24 #include <math.h> 25 26 #include <string> 27 #include <vector> 28 #include <algorithm> 29 30 #include <android/log.h> 31 #include <sys/system_properties.h> 32 33 #ifndef ALOGE 34 #define ALOGE(...) \ 35 __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__); 36 #endif 37 #ifndef ALOGW 38 #define ALOGW(...) \ 39 __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__); 40 #endif 41 #ifndef ALOGD 42 #define ALOGD(...) \ 43 __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__); 44 #endif 45 #ifndef ALOGV 46 #define ALOGV(...) \ 47 __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__); 48 #endif 49 50 #if defined(_WIN32) 51 #define OS_PATH_SEPARATOR '\\' 52 #else 53 #define OS_PATH_SEPARATOR '/' 54 #endif 55 56 57 namespace android { 58 namespace renderscript { 59 60 typedef int64_t nsecs_t; // nano-seconds 61 62 enum { 63 SYSTEM_TIME_REALTIME = 0, // system-wide realtime clock 64 SYSTEM_TIME_MONOTONIC = 1, // monotonic time since unspecified starting point 65 SYSTEM_TIME_PROCESS = 2, // high-resolution per-process clock 66 SYSTEM_TIME_THREAD = 3, // high-resolution per-thread clock 67 }; 68 69 static inline nsecs_t systemTime(int clock) 70 { 71 #if defined(__linux__) 72 static const clockid_t clocks[] = { 73 CLOCK_REALTIME, 74 CLOCK_MONOTONIC, 75 CLOCK_PROCESS_CPUTIME_ID, 76 CLOCK_THREAD_CPUTIME_ID 77 }; 78 struct timespec t; 79 t.tv_sec = t.tv_nsec = 0; 80 clock_gettime(clocks[clock], &t); 81 return nsecs_t(t.tv_sec)*1000000000LL + t.tv_nsec; 82 #else 83 // we don't support the clocks here. 84 struct timeval t; 85 t.tv_sec = t.tv_usec = 0; 86 gettimeofday(&t, nullptr); 87 return nsecs_t(t.tv_sec)*1000000000LL + nsecs_t(t.tv_usec)*1000LL; 88 #endif 89 } 90 91 static inline nsecs_t nanoseconds_to_milliseconds(nsecs_t secs) 92 { 93 return secs/1000000; 94 } 95 96 #if 1 97 #define rsAssert(v) do {if(!(v)) ALOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0) 98 #else 99 #define rsAssert(v) while (0) 100 #endif 101 102 template<typename T> 103 T rsMin(T in1, T in2) 104 { 105 if (in1 > in2) { 106 return in2; 107 } 108 return in1; 109 } 110 111 template<typename T> 112 T rsMax(T in1, T in2) { 113 if (in1 < in2) { 114 return in2; 115 } 116 return in1; 117 } 118 119 template<typename T> 120 T rsFindHighBit(T val) { 121 uint32_t bit = 0; 122 while (val > 1) { 123 bit++; 124 val>>=1; 125 } 126 return bit; 127 } 128 129 template<typename T> 130 bool rsIsPow2(T val) { 131 return (val & (val-1)) == 0; 132 } 133 134 template<typename T> 135 T rsHigherPow2(T v) { 136 if (rsIsPow2(v)) { 137 return v; 138 } 139 return 1 << (rsFindHighBit(v) + 1); 140 } 141 142 template<typename T> 143 T rsLowerPow2(T v) { 144 if (rsIsPow2(v)) { 145 return v; 146 } 147 return 1 << rsFindHighBit(v); 148 } 149 150 template<typename T> 151 T rsRound(T v, unsigned int r) { 152 // Only valid for rounding up to powers of 2. 153 if ((r & (r - 1)) != 0) { 154 rsAssert(false && "Must be power of 2 for rounding up"); 155 return v; 156 } 157 T res = v + (r - 1); 158 if (res < v) { 159 rsAssert(false && "Overflow of rounding operation"); 160 return v; 161 } 162 res &= ~(r - 1); 163 return res; 164 } 165 166 static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) { 167 uint16_t t = 0; 168 t |= b >> 3; 169 t |= (g >> 2) << 5; 170 t |= (r >> 3) << 11; 171 return t; 172 } 173 174 static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) { 175 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f)); 176 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f); 177 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11)); 178 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11); 179 } 180 181 static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) { 182 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff); 183 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff); 184 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff); 185 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff); 186 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24); 187 } 188 189 const char * rsuCopyString(const char *name); 190 const char * rsuCopyString(const char *name, size_t len); 191 const char* rsuJoinStrings(int n, const char* const* strs); 192 193 #ifndef RS_COMPATIBILITY_LIB 194 // Utility to fork/exec a command. 195 // exe - Command to execute 196 // nArgs - Number of arguments (excluding the trailing nullptr in args) 197 // args - Arguments to the command 198 bool rsuExecuteCommand(const char *exe, int nArgs, const char * const *args); 199 #endif 200 201 int property_get(const char *key, char *value, const char *default_value); 202 203 } // namespace renderscript 204 } // namespace android 205 206 #endif //ANDROID_RS_OBJECT_BASE_H 207 208 209
