rsCppUtils.h - platform/frameworks/rs - Git at Google

 /*
  * 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__);

 #if defined(_WIN32)
 #define OS_PATH_SEPARATOR '\\'
 #else
 #define OS_PATH_SEPARATOR '/'
 #endif

 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 this->data();
         }

     };

     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(__linux__)
     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, nullptr);
     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);
 }

 const char* rsuJoinStrings(int n, const char* const* strs);

 #ifndef RS_COMPATIBILITY_LIB
 // Utility to fork/exec a command.
 //     exe - Command to execute
 //     nArgs - Number of arguments (excluding the trailing nullptr in args)
 //     args - Arguments to the command
 bool rsuExecuteCommand(const char *exe, int nArgs, const char * const *args);
 #endif


 }
 }

 #endif //ANDROID_RS_OBJECT_BASE_H
	/*
	* 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__);

	#if defined(_WIN32)
	#define OS_PATH_SEPARATOR '\\'
	#else
	#define OS_PATH_SEPARATOR '/'
	#endif

	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 this->data();
	}

	};

	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(__linux__)
	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, nullptr);
	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);
	}

	const char* rsuJoinStrings(int n, const char* const* strs);

	#ifndef RS_COMPATIBILITY_LIB
	// Utility to fork/exec a command.
	// exe - Command to execute
	// nArgs - Number of arguments (excluding the trailing nullptr in args)
	// args - Arguments to the command
	bool rsuExecuteCommand(const char exe, int nArgs, const char const *args);
	#endif


	}
	}

	#endif //ANDROID_RS_OBJECT_BASE_H