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:
String8(const char * ptr)62 String8(const char *ptr) : std::string(ptr) {
63
64 }
String8(const char * ptr,size_t len)65 String8(const char *ptr, size_t len) : std::string(ptr, len) {
66
67 }
String8()68 String8() : std::string() {
69
70 }
71
string()72 const char* string() const {
73 return this->c_str();
74 }
75
setTo(const char * str,ssize_t len)76 void setTo(const char* str, ssize_t len) {
77 this->assign(str, len);
78 }
setTo(const char * str)79 void setTo(const char* str) {
80 this->assign(str);
81 }
getPathDir(void)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:
push(T obj)96 void push(T obj) {
97 this->push_back(obj);
98 }
removeAt(uint32_t index)99 void removeAt(uint32_t index) {
100 this->erase(this->begin() + index);
101 }
add(const T & obj)102 ssize_t add(const T& obj) {
103 this->push_back(obj);
104 return this->size() - 1;
105 }
setCapacity(ssize_t capacity)106 void setCapacity(ssize_t capacity) {
107 this->resize(capacity);
108 }
109
editArray()110 T* editArray() {
111 return (T*)(this->begin());
112 }
113
array()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:
push(bool obj)122 void push(bool obj) {
123 this->push_back(obj);
124 }
removeAt(uint32_t index)125 void removeAt(uint32_t index) {
126 this->erase(this->begin() + index);
127 }
add(const bool & obj)128 ssize_t add(const bool& obj) {
129 this->push_back(obj);
130 return this->size() - 1;
131 }
setCapacity(ssize_t capacity)132 void setCapacity(ssize_t capacity) {
133 this->resize(capacity);
134 }
135
editArray()136 bool* editArray() {
137 return (bool*)(this->begin());
138 }
139
array()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
systemTime(int clock)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
nanoseconds_to_milliseconds(nsecs_t secs)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>
rsMin(T in1,T in2)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>
rsMax(T in1,T in2)208 T rsMax(T in1, T in2) {
209 if (in1 < in2) {
210 return in2;
211 }
212 return in1;
213 }
214
215 template<typename T>
rsFindHighBit(T val)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>
rsIsPow2(T val)226 bool rsIsPow2(T val) {
227 return (val & (val-1)) == 0;
228 }
229
230 template<typename T>
rsHigherPow2(T v)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>
rsLowerPow2(T v)239 T rsLowerPow2(T v) {
240 if (rsIsPow2(v)) {
241 return v;
242 }
243 return 1 << rsFindHighBit(v);
244 }
245
246 template<typename T>
rsRound(T v,unsigned int r)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
rs888to565(uint32_t r,uint32_t g,uint32_t b)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
rsBoxFilter565(uint16_t i1,uint16_t i2,uint16_t i3,uint16_t i4)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
rsBoxFilter8888(uint32_t i1,uint32_t i2,uint32_t i3,uint32_t i4)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