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 #if defined(_WIN32)
58 #define OS_PATH_SEPARATOR '\\'
59 #else
60 #define OS_PATH_SEPARATOR '/'
61 #endif
62
63 namespace android {
64
65 // server has no Vector or String8 classes; implement on top of STL
66 class String8: public std::string {
67 public:
String8(const char * ptr)68 String8(const char *ptr) : std::string(ptr) {
69
70 }
String8(const char * ptr,size_t len)71 String8(const char *ptr, size_t len) : std::string(ptr, len) {
72
73 }
String8()74 String8() : std::string() {
75
76 }
77
string()78 const char* string() const {
79 return this->c_str();
80 }
81
setTo(const char * str,ssize_t len)82 void setTo(const char* str, ssize_t len) {
83 this->assign(str, len);
84 }
setTo(const char * str)85 void setTo(const char* str) {
86 this->assign(str);
87 }
getPathDir(void)88 String8 getPathDir(void) const {
89 const char* cp;
90 const char*const str = this->c_str();
91
92 cp = strrchr(str, OS_PATH_SEPARATOR);
93 if (cp == NULL)
94 return String8("");
95 else
96 return String8(str, cp - str);
97 }
98 };
99
100 template <class T> class Vector: public std::vector<T> {
101 public:
push(T obj)102 void push(T obj) {
103 this->push_back(obj);
104 }
removeAt(uint32_t index)105 void removeAt(uint32_t index) {
106 this->erase(this->begin() + index);
107 }
add(const T & obj)108 ssize_t add(const T& obj) {
109 this->push_back(obj);
110 return this->size() - 1;
111 }
setCapacity(ssize_t capacity)112 void setCapacity(ssize_t capacity) {
113 this->resize(capacity);
114 }
115
editArray()116 T* editArray() {
117 return (T*)(this->begin());
118 }
119
array()120 const T* array() {
121 return this->data();
122 }
123
124 };
125
126 template<> class Vector<bool>: public std::vector<char> {
127 public:
push(bool obj)128 void push(bool obj) {
129 this->push_back(obj);
130 }
removeAt(uint32_t index)131 void removeAt(uint32_t index) {
132 this->erase(this->begin() + index);
133 }
add(const bool & obj)134 ssize_t add(const bool& obj) {
135 this->push_back(obj);
136 return this->size() - 1;
137 }
setCapacity(ssize_t capacity)138 void setCapacity(ssize_t capacity) {
139 this->resize(capacity);
140 }
141
editArray()142 bool* editArray() {
143 return (bool*)(&*this->begin());
144 }
145
array()146 const bool* array() {
147 return (const bool*)(&*this->begin());
148 }
149 };
150
151 }
152
153 typedef int64_t nsecs_t; // nano-seconds
154
155 enum {
156 SYSTEM_TIME_REALTIME = 0, // system-wide realtime clock
157 SYSTEM_TIME_MONOTONIC = 1, // monotonic time since unspecified starting point
158 SYSTEM_TIME_PROCESS = 2, // high-resolution per-process clock
159 SYSTEM_TIME_THREAD = 3, // high-resolution per-thread clock
160 };
161
systemTime(int clock)162 static inline nsecs_t systemTime(int clock)
163 {
164 #if defined(__linux__)
165 static const clockid_t clocks[] = {
166 CLOCK_REALTIME,
167 CLOCK_MONOTONIC,
168 CLOCK_PROCESS_CPUTIME_ID,
169 CLOCK_THREAD_CPUTIME_ID
170 };
171 struct timespec t;
172 t.tv_sec = t.tv_nsec = 0;
173 clock_gettime(clocks[clock], &t);
174 return nsecs_t(t.tv_sec)*1000000000LL + t.tv_nsec;
175 #else
176 // we don't support the clocks here.
177 struct timeval t;
178 t.tv_sec = t.tv_usec = 0;
179 gettimeofday(&t, nullptr);
180 return nsecs_t(t.tv_sec)*1000000000LL + nsecs_t(t.tv_usec)*1000LL;
181 #endif
182 }
183
nanoseconds_to_milliseconds(nsecs_t secs)184 static inline nsecs_t nanoseconds_to_milliseconds(nsecs_t secs)
185 {
186 return secs/1000000;
187 }
188
189 #endif // RS_SERVER || RS_COMPATIBILITY_LIB
190
191 namespace android {
192 namespace renderscript {
193
194 const char * rsuCopyString(const char *name);
195 const char * rsuCopyString(const char *name, size_t len);
196
197 #if 1
198 #define rsAssert(v) do {if(!(v)) ALOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0)
199 #else
200 #define rsAssert(v) while (0)
201 #endif
202
203 template<typename T>
rsMin(T in1,T in2)204 T rsMin(T in1, T in2)
205 {
206 if (in1 > in2) {
207 return in2;
208 }
209 return in1;
210 }
211
212 template<typename T>
rsMax(T in1,T in2)213 T rsMax(T in1, T in2) {
214 if (in1 < in2) {
215 return in2;
216 }
217 return in1;
218 }
219
220 template<typename T>
rsFindHighBit(T val)221 T rsFindHighBit(T val) {
222 uint32_t bit = 0;
223 while (val > 1) {
224 bit++;
225 val>>=1;
226 }
227 return bit;
228 }
229
230 template<typename T>
rsIsPow2(T val)231 bool rsIsPow2(T val) {
232 return (val & (val-1)) == 0;
233 }
234
235 template<typename T>
rsHigherPow2(T v)236 T rsHigherPow2(T v) {
237 if (rsIsPow2(v)) {
238 return v;
239 }
240 return 1 << (rsFindHighBit(v) + 1);
241 }
242
243 template<typename T>
rsLowerPow2(T v)244 T rsLowerPow2(T v) {
245 if (rsIsPow2(v)) {
246 return v;
247 }
248 return 1 << rsFindHighBit(v);
249 }
250
251 template<typename T>
rsRound(T v,unsigned int r)252 T rsRound(T v, unsigned int r) {
253 // Only valid for rounding up to powers of 2.
254 if ((r & (r - 1)) != 0) {
255 rsAssert(false && "Must be power of 2 for rounding up");
256 return v;
257 }
258 T res = v + (r - 1);
259 if (res < v) {
260 rsAssert(false && "Overflow of rounding operation");
261 return v;
262 }
263 res &= ~(r - 1);
264 return res;
265 }
266
rs888to565(uint32_t r,uint32_t g,uint32_t b)267 static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) {
268 uint16_t t = 0;
269 t |= b >> 3;
270 t |= (g >> 2) << 5;
271 t |= (r >> 3) << 11;
272 return t;
273 }
274
rsBoxFilter565(uint16_t i1,uint16_t i2,uint16_t i3,uint16_t i4)275 static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) {
276 uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f));
277 uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f);
278 uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11));
279 return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11);
280 }
281
rsBoxFilter8888(uint32_t i1,uint32_t i2,uint32_t i3,uint32_t i4)282 static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) {
283 uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff);
284 uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff);
285 uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff);
286 uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff);
287 return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24);
288 }
289
290 const char* rsuJoinStrings(int n, const char* const* strs);
291
292 #ifndef RS_COMPATIBILITY_LIB
293 // Utility to fork/exec a command.
294 // exe - Command to execute
295 // nArgs - Number of arguments (excluding the trailing nullptr in args)
296 // args - Arguments to the command
297 bool rsuExecuteCommand(const char *exe, int nArgs, const char * const *args);
298 #endif
299
300
301 }
302 }
303
304 #endif //ANDROID_RS_OBJECT_BASE_H
305
306
307