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/*
* Copyright (C) 2013 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_RS_CPP_UTILS_H
#define ANDROID_RS_CPP_UTILS_H
#if !defined(RS_SERVER) && !defined(RS_COMPATIBILITY_LIB)
#include <utils/Log.h>
#include <utils/String8.h>
#include <utils/Vector.h>
#include <cutils/atomic.h>
#endif
#include <stdint.h>
#include <stdlib.h>
#include <pthread.h>
#include <time.h>
#include <math.h>
#ifdef RS_COMPATIBILITY_LIB
#include <android/log.h>
#endif
#if defined(RS_SERVER) || defined(RS_COMPATIBILITY_LIB)
#define ATRACE_TAG
#define ATRACE_CALL(...)
#include <string>
#include <vector>
#include <algorithm>
#define ALOGE(...) \
__android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__);
#define ALOGW(...) \
__android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__);
#define ALOGD(...) \
__android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__);
#define ALOGV(...) \
__android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__);
namespace android {
// server has no Vector or String8 classes; implement on top of STL
class String8: public std::string {
public:
String8(const char *ptr) : std::string(ptr) {
}
String8(const char *ptr, size_t len) : std::string(ptr, len) {
}
String8() : std::string() {
}
const char* string() const {
return this->c_str();
}
void setTo(const char* str, ssize_t len) {
this->assign(str, len);
}
void setTo(const char* str) {
this->assign(str);
}
String8 getPathDir(void) const {
const char* cp;
const char*const str = this->c_str();
cp = strrchr(str, OS_PATH_SEPARATOR);
if (cp == NULL)
return String8("");
else
return String8(str, cp - str);
}
};
template <class T> class Vector: public std::vector<T> {
public:
void push(T obj) {
this->push_back(obj);
}
void removeAt(uint32_t index) {
this->erase(this->begin() + index);
}
ssize_t add(const T& obj) {
this->push_back(obj);
return this->size() - 1;
}
void setCapacity(ssize_t capacity) {
this->resize(capacity);
}
T* editArray() {
return (T*)(this->begin());
}
const T* array() {
return (const T*)(this->begin());
}
};
template<> class Vector<bool>: public std::vector<char> {
public:
void push(bool obj) {
this->push_back(obj);
}
void removeAt(uint32_t index) {
this->erase(this->begin() + index);
}
ssize_t add(const bool& obj) {
this->push_back(obj);
return this->size() - 1;
}
void setCapacity(ssize_t capacity) {
this->resize(capacity);
}
bool* editArray() {
return (bool*)(this->begin());
}
const bool* array() {
return (const bool*)(this->begin());
}
};
}
typedef int64_t nsecs_t; // nano-seconds
enum {
SYSTEM_TIME_REALTIME = 0, // system-wide realtime clock
SYSTEM_TIME_MONOTONIC = 1, // monotonic time since unspecified starting point
SYSTEM_TIME_PROCESS = 2, // high-resolution per-process clock
SYSTEM_TIME_THREAD = 3, // high-resolution per-thread clock
};
static inline nsecs_t systemTime(int clock)
{
#if defined(HAVE_POSIX_CLOCKS)
static const clockid_t clocks[] = {
CLOCK_REALTIME,
CLOCK_MONOTONIC,
CLOCK_PROCESS_CPUTIME_ID,
CLOCK_THREAD_CPUTIME_ID
};
struct timespec t;
t.tv_sec = t.tv_nsec = 0;
clock_gettime(clocks[clock], &t);
return nsecs_t(t.tv_sec)*1000000000LL + t.tv_nsec;
#else
// we don't support the clocks here.
struct timeval t;
t.tv_sec = t.tv_usec = 0;
gettimeofday(&t, NULL);
return nsecs_t(t.tv_sec)*1000000000LL + nsecs_t(t.tv_usec)*1000LL;
#endif
}
static inline nsecs_t nanoseconds_to_milliseconds(nsecs_t secs)
{
return secs/1000000;
}
#endif // RS_SERVER || RS_COMPATIBILITY_LIB
namespace android {
namespace renderscript {
const char * rsuCopyString(const char *name);
const char * rsuCopyString(const char *name, size_t len);
#if 1
#define rsAssert(v) do {if(!(v)) ALOGE("rsAssert failed: %s, in %s at %i", #v, __FILE__, __LINE__);} while (0)
#else
#define rsAssert(v) while (0)
#endif
template<typename T>
T rsMin(T in1, T in2)
{
if (in1 > in2) {
return in2;
}
return in1;
}
template<typename T>
T rsMax(T in1, T in2) {
if (in1 < in2) {
return in2;
}
return in1;
}
template<typename T>
T rsFindHighBit(T val) {
uint32_t bit = 0;
while (val > 1) {
bit++;
val>>=1;
}
return bit;
}
template<typename T>
bool rsIsPow2(T val) {
return (val & (val-1)) == 0;
}
template<typename T>
T rsHigherPow2(T v) {
if (rsIsPow2(v)) {
return v;
}
return 1 << (rsFindHighBit(v) + 1);
}
template<typename T>
T rsLowerPow2(T v) {
if (rsIsPow2(v)) {
return v;
}
return 1 << rsFindHighBit(v);
}
template<typename T>
T rsRound(T v, unsigned int r) {
// Only valid for rounding up to powers of 2.
if ((r & (r - 1)) != 0) {
rsAssert(false && "Must be power of 2 for rounding up");
return v;
}
T res = v + (r - 1);
if (res < v) {
rsAssert(false && "Overflow of rounding operation");
return v;
}
res &= ~(r - 1);
return res;
}
static inline uint16_t rs888to565(uint32_t r, uint32_t g, uint32_t b) {
uint16_t t = 0;
t |= b >> 3;
t |= (g >> 2) << 5;
t |= (r >> 3) << 11;
return t;
}
static inline uint16_t rsBoxFilter565(uint16_t i1, uint16_t i2, uint16_t i3, uint16_t i4) {
uint32_t r = ((i1 & 0x1f) + (i2 & 0x1f) + (i3 & 0x1f) + (i4 & 0x1f));
uint32_t g = ((i1 >> 5) & 0x3f) + ((i2 >> 5) & 0x3f) + ((i3 >> 5) & 0x3f) + ((i4 >> 5) & 0x3f);
uint32_t b = ((i1 >> 11) + (i2 >> 11) + (i3 >> 11) + (i4 >> 11));
return (r >> 2) | ((g >> 2) << 5) | ((b >> 2) << 11);
}
static inline uint32_t rsBoxFilter8888(uint32_t i1, uint32_t i2, uint32_t i3, uint32_t i4) {
uint32_t r = (i1 & 0xff) + (i2 & 0xff) + (i3 & 0xff) + (i4 & 0xff);
uint32_t g = ((i1 >> 8) & 0xff) + ((i2 >> 8) & 0xff) + ((i3 >> 8) & 0xff) + ((i4 >> 8) & 0xff);
uint32_t b = ((i1 >> 16) & 0xff) + ((i2 >> 16) & 0xff) + ((i3 >> 16) & 0xff) + ((i4 >> 16) & 0xff);
uint32_t a = ((i1 >> 24) & 0xff) + ((i2 >> 24) & 0xff) + ((i3 >> 24) & 0xff) + ((i4 >> 24) & 0xff);
return (r >> 2) | ((g >> 2) << 8) | ((b >> 2) << 16) | ((a >> 2) << 24);
}
}
}
#endif //ANDROID_RS_OBJECT_BASE_H