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 <utils/String8.h> 23 #include <utils/Vector.h> 24 #include <cutils/atomic.h> 25 #endif 26 27 #include <stdint.h> 28 29 #include <stdlib.h> 30 #include <pthread.h> 31 #include <time.h> 32 33 #include <math.h> 34 35 #ifdef RS_COMPATIBILITY_LIB 36 #include <android/log.h> 37 #endif 38 39 #if defined(RS_SERVER) || defined(RS_COMPATIBILITY_LIB) 40 41 #include <string> 42 #include <vector> 43 #include <algorithm> 44 45 #define ALOGE(...) \ 46 __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__); 47 #define ALOGW(...) \ 48 __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__); 49 #define ALOGD(...) \ 50 __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__); 51 #define ALOGV(...) \ 52 __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__); 53 54 namespace android { 55 56 // server has no Vector or String8 classes; implement on top of STL 57 class String8: public std::string { 58 public: 59 String8(const char *ptr) : std::string(ptr) { 60 61 } 62 String8(const char *ptr, size_t len) : std::string(ptr, len) { 63 64 } 65 String8() : std::string() { 66 67 } 68 69 const char* string() const { 70 return this->c_str(); 71 } 72 73 void setTo(const char* str, ssize_t len) { 74 this->assign(str, len); 75 } 76 void setTo(const char* str) { 77 this->assign(str); 78 } 79 String8 getPathDir(void) const { 80 const char* cp; 81 const char*const str = this->c_str(); 82 83 cp = strrchr(str, OS_PATH_SEPARATOR); 84 if (cp == NULL) 85 return String8(""); 86 else 87 return String8(str, cp - str); 88 } 89 }; 90 91 template <class T> class Vector: public std::vector<T> { 92 public: 93 void push(T obj) { 94 this->push_back(obj); 95 } 96 void removeAt(uint32_t index) { 97 this->erase(this->begin() + index); 98 } 99 ssize_t add(const T& obj) { 100 this->push_back(obj); 101 return this->size() - 1; 102 } 103 void setCapacity(ssize_t capacity) { 104 this->resize(capacity); 105 } 106 107 T* editArray() { 108 return (T*)(this->begin()); 109 } 110 111 const T* array() { 112 return (const T*)(this->begin()); 113 } 114 115 }; 116 117 template<> class Vector<bool>: public std::vector<char> { 118 public: 119 void push(bool obj) { 120 this->push_back(obj); 121 } 122 void removeAt(uint32_t index) { 123 this->erase(this->begin() + index); 124 } 125 ssize_t add(const bool& obj) { 126 this->push_back(obj); 127 return this->size() - 1; 128 } 129 void setCapacity(ssize_t capacity) { 130 this->resize(capacity); 131 } 132 133 bool* editArray() { 134 return (bool*)(this->begin()); 135 } 136 137 const bool* array() { 138 return (const bool*)(this->begin()); 139 } 140 }; 141 142 } 143 144 typedef int64_t nsecs_t; // nano-seconds 145 146 enum { 147 SYSTEM_TIME_REALTIME = 0, // system-wide realtime clock 148 SYSTEM_TIME_MONOTONIC = 1, // monotonic time since unspecified starting point 149 SYSTEM_TIME_PROCESS = 2, // high-resolution per-process clock 150 SYSTEM_TIME_THREAD = 3, // high-resolution per-thread clock 151 SYSTEM_TIME_BOOTTIME = 4 // same as SYSTEM_TIME_MONOTONIC, but including CPU suspend time 152 }; 153 154 static inline nsecs_t systemTime(int clock) 155 { 156 #if defined(HAVE_POSIX_CLOCKS) 157 static const clockid_t clocks[] = { 158 CLOCK_REALTIME, 159 CLOCK_MONOTONIC, 160 CLOCK_PROCESS_CPUTIME_ID, 161 CLOCK_THREAD_CPUTIME_ID, 162 CLOCK_BOOTTIME 163 }; 164 struct timespec t; 165 t.tv_sec = t.tv_nsec = 0; 166 clock_gettime(clocks[clock], &t); 167 return nsecs_t(t.tv_sec)*1000000000LL + t.tv_nsec; 168 #else 169 // we don't support the clocks here. 170 struct timeval t; 171 t.tv_sec = t.tv_usec = 0; 172 gettimeofday(&t, NULL); 173 return nsecs_t(t.tv_sec)*1000000000LL + nsecs_t(t.tv_usec)*1000LL; 174 #endif 175 } 176 177 static inline nsecs_t nanoseconds_to_milliseconds(nsecs_t secs) 178 { 179 return secs/1000000; 180 } 181 182 183 #endif // RS_SERVER || RS_COMPATIBILITY_LIB 184 185 namespace android { 186 namespace renderscript { 187 188 #if 1 189 #define rsAssert(v) do {if(!(v)) ALOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0) 190 #else 191 #define rsAssert(v) while (0) 192 #endif 193 194 template<typename T> 195 T rsMin(T in1, T in2) 196 { 197 if (in1 > in2) { 198 return in2; 199 } 200 return in1; 201 } 202 203 template<typename T> 204 T rsMax(T in1, T in2) { 205 if (in1 < in2) { 206 return in2; 207 } 208 return in1; 209 } 210 211 template<typename T> 212 T rsFindHighBit(T val) { 213 uint32_t bit = 0; 214 while (val > 1) { 215 bit++; 216 val>>=1; 217 } 218 return bit; 219 } 220 221 template<typename T> 222 bool rsIsPow2(T val) { 223 return (val & (val-1)) == 0; 224 } 225 226 template<typename T> 227 T rsHigherPow2(T v) { 228 if (rsIsPow2(v)) { 229 return v; 230 } 231 return 1 << (rsFindHighBit(v) + 1); 232 } 233 234 template<typename T> 235 T rsLowerPow2(T v) { 236 if (rsIsPow2(v)) { 237 return v; 238 } 239 return 1 << rsFindHighBit(v); 240 } 241 242 template<typename T> 243 T rsRound(T v, unsigned int r) { 244 // Only valid for rounding up to powers of 2. 245 if ((r & (r - 1)) != 0) { 246 rsAssert(false && "Must be power of 2 for rounding up"); 247 return v; 248 } 249 T res = v + (r - 1); 250 if (res < v) { 251 rsAssert(false && "Overflow of rounding operation"); 252 return v; 253 } 254 res &= ~(r - 1); 255 return res; 256 } 257 258 static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) { 259 uint16_t t = 0; 260 t |= b >> 3; 261 t |= (g >> 2) << 5; 262 t |= (r >> 3) << 11; 263 return t; 264 } 265 266 static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) { 267 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f)); 268 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f); 269 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11)); 270 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11); 271 } 272 273 static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) { 274 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff); 275 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff); 276 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff); 277 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff); 278 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24); 279 } 280 281 } 282 } 283 284 #endif //ANDROID_RS_OBJECT_BASE_H 285 286 287
