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 #define ATRACE_TAG 42 #define ATRACE_CALL(...) 43 44 #include <string> 45 #include <vector> 46 #include <algorithm> 47 48 #define ALOGE(...) \ 49 __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__); 50 #define ALOGW(...) \ 51 __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__); 52 #define ALOGD(...) \ 53 __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__); 54 #define ALOGV(...) \ 55 __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__); 56 57 namespace android { 58 59 // server has no Vector or String8 classes; implement on top of STL 60 class String8: public std::string { 61 public: 62 String8(const char *ptr) : std::string(ptr) { 63 64 } 65 String8(const char *ptr, size_t len) : std::string(ptr, len) { 66 67 } 68 String8() : std::string() { 69 70 } 71 72 const char* string() const { 73 return this->c_str(); 74 } 75 76 void setTo(const char* str, ssize_t len) { 77 this->assign(str, len); 78 } 79 void setTo(const char* str) { 80 this->assign(str); 81 } 82 String8 getPathDir(void) const { 83 const char* cp; 84 const char*const str = this->c_str(); 85 86 cp = strrchr(str, OS_PATH_SEPARATOR); 87 if (cp == NULL) 88 return String8(""); 89 else 90 return String8(str, cp - str); 91 } 92 }; 93 94 template <class T> class Vector: public std::vector<T> { 95 public: 96 void push(T obj) { 97 this->push_back(obj); 98 } 99 void removeAt(uint32_t index) { 100 this->erase(this->begin() + index); 101 } 102 ssize_t add(const T& obj) { 103 this->push_back(obj); 104 return this->size() - 1; 105 } 106 void setCapacity(ssize_t capacity) { 107 this->resize(capacity); 108 } 109 110 T* editArray() { 111 return (T*)(this->begin()); 112 } 113 114 const T* array() { 115 return (const T*)(this->begin()); 116 } 117 118 }; 119 120 template<> class Vector<bool>: public std::vector<char> { 121 public: 122 void push(bool obj) { 123 this->push_back(obj); 124 } 125 void removeAt(uint32_t index) { 126 this->erase(this->begin() + index); 127 } 128 ssize_t add(const bool& obj) { 129 this->push_back(obj); 130 return this->size() - 1; 131 } 132 void setCapacity(ssize_t capacity) { 133 this->resize(capacity); 134 } 135 136 bool* editArray() { 137 return (bool*)(this->begin()); 138 } 139 140 const bool* array() { 141 return (const bool*)(this->begin()); 142 } 143 }; 144 145 } 146 147 typedef int64_t nsecs_t; // nano-seconds 148 149 enum { 150 SYSTEM_TIME_REALTIME = 0, // system-wide realtime clock 151 SYSTEM_TIME_MONOTONIC = 1, // monotonic time since unspecified starting point 152 SYSTEM_TIME_PROCESS = 2, // high-resolution per-process clock 153 SYSTEM_TIME_THREAD = 3, // high-resolution per-thread clock 154 }; 155 156 static inline nsecs_t systemTime(int clock) 157 { 158 #if defined(HAVE_POSIX_CLOCKS) 159 static const clockid_t clocks[] = { 160 CLOCK_REALTIME, 161 CLOCK_MONOTONIC, 162 CLOCK_PROCESS_CPUTIME_ID, 163 CLOCK_THREAD_CPUTIME_ID 164 }; 165 struct timespec t; 166 t.tv_sec = t.tv_nsec = 0; 167 clock_gettime(clocks[clock], &t); 168 return nsecs_t(t.tv_sec)*1000000000LL + t.tv_nsec; 169 #else 170 // we don't support the clocks here. 171 struct timeval t; 172 t.tv_sec = t.tv_usec = 0; 173 gettimeofday(&t, NULL); 174 return nsecs_t(t.tv_sec)*1000000000LL + nsecs_t(t.tv_usec)*1000LL; 175 #endif 176 } 177 178 static inline nsecs_t nanoseconds_to_milliseconds(nsecs_t secs) 179 { 180 return secs/1000000; 181 } 182 183 184 #endif // RS_SERVER || RS_COMPATIBILITY_LIB 185 186 namespace android { 187 namespace renderscript { 188 189 const char * rsuCopyString(const char *name); 190 const char * rsuCopyString(const char *name, size_t len); 191 192 #if 1 193 #define rsAssert(v) do {if(!(v)) ALOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0) 194 #else 195 #define rsAssert(v) while (0) 196 #endif 197 198 template<typename T> 199 T rsMin(T in1, T in2) 200 { 201 if (in1 > in2) { 202 return in2; 203 } 204 return in1; 205 } 206 207 template<typename T> 208 T rsMax(T in1, T in2) { 209 if (in1 < in2) { 210 return in2; 211 } 212 return in1; 213 } 214 215 template<typename T> 216 T rsFindHighBit(T val) { 217 uint32_t bit = 0; 218 while (val > 1) { 219 bit++; 220 val>>=1; 221 } 222 return bit; 223 } 224 225 template<typename T> 226 bool rsIsPow2(T val) { 227 return (val & (val-1)) == 0; 228 } 229 230 template<typename T> 231 T rsHigherPow2(T v) { 232 if (rsIsPow2(v)) { 233 return v; 234 } 235 return 1 << (rsFindHighBit(v) + 1); 236 } 237 238 template<typename T> 239 T rsLowerPow2(T v) { 240 if (rsIsPow2(v)) { 241 return v; 242 } 243 return 1 << rsFindHighBit(v); 244 } 245 246 template<typename T> 247 T rsRound(T v, unsigned int r) { 248 // Only valid for rounding up to powers of 2. 249 if ((r & (r - 1)) != 0) { 250 rsAssert(false && "Must be power of 2 for rounding up"); 251 return v; 252 } 253 T res = v + (r - 1); 254 if (res < v) { 255 rsAssert(false && "Overflow of rounding operation"); 256 return v; 257 } 258 res &= ~(r - 1); 259 return res; 260 } 261 262 static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) { 263 uint16_t t = 0; 264 t |= b >> 3; 265 t |= (g >> 2) << 5; 266 t |= (r >> 3) << 11; 267 return t; 268 } 269 270 static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) { 271 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f)); 272 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f); 273 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11)); 274 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11); 275 } 276 277 static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) { 278 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff); 279 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff); 280 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff); 281 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff); 282 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24); 283 } 284 285 } 286 } 287 288 #endif //ANDROID_RS_OBJECT_BASE_H 289 290 291
