3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 Random portability stuff
24 #ifndef PORTING_HEADER
25 #define PORTING_HEADER
31 #define _WIN32_WINNT 0x0501 // We need to do this before any other headers
32 // because those might include sdkddkver.h which defines _WIN32_WINNT if not already set
38 #include "irrlichttypes.h" // u32
39 #include "irrlichttypes_extrabloated.h"
41 #include "constants.h"
46 #define SWPRINTF_CHARSTRING L"%S"
48 #define SWPRINTF_CHARSTRING L"%s"
51 //currently not needed
52 //template<typename T> struct alignment_trick { char c; T member; };
53 //#define ALIGNOF(type) offsetof (alignment_trick<type>, member)
58 #define sleep_ms(x) Sleep(x)
61 #include <stdint.h> //for uintptr_t
63 // Use standard Posix macro for Linux
64 #if (defined(linux) || defined(__linux)) && !defined(__linux__)
67 #if (defined(__linux__) || defined(__GNU__)) && !defined(_GNU_SOURCE)
71 #define sleep_ms(x) usleep(x*1000)
75 #define ALIGNOF(x) __alignof(x)
76 #define strtok_r(x, y, z) strtok_s(x, y, z)
77 #define strtof(x, y) (float)strtod(x, y)
78 #define strtoll(x, y, z) _strtoi64(x, y, z)
79 #define strtoull(x, y, z) _strtoui64(x, y, z)
80 #define strcasecmp(x, y) stricmp(x, y)
81 #define strncasecmp(x, y, n) strnicmp(x, y, n)
83 #define ALIGNOF(x) __alignof__(x)
87 #define strtok_r(x, y, z) mystrtok_r(x, y, z)
90 // strlcpy is missing from glibc. thanks a lot, drepper.
91 // strlcpy is also missing from AIX and HP-UX because they aim to be weird.
92 // We can't simply alias strlcpy to MSVC's strcpy_s, since strcpy_s by
93 // default raises an assertion error and aborts the program if the buffer is
95 #if defined(__FreeBSD__) || defined(__NetBSD__) || \
96 defined(__OpenBSD__) || defined(__DragonFly__) || \
97 defined(__APPLE__) || \
98 defined(__sun) || defined(sun) || \
99 defined(__QNX__) || defined(__QNXNTO__)
103 // So we need to define our own.
105 #define strlcpy(d, s, n) mystrlcpy(d, s, n)
108 #define PADDING(x, y) ((ALIGNOF(y) - ((uintptr_t)(x) & (ALIGNOF(y) - 1))) & (ALIGNOF(y) - 1))
110 #if defined(__APPLE__)
111 #include <mach-o/dyld.h>
112 #include <CoreFoundation/CoreFoundation.h>
115 #ifndef _WIN32 // Posix
116 #include <sys/time.h>
118 #if defined(__MACH__) && defined(__APPLE__)
119 #include <mach/clock.h>
120 #include <mach/mach.h>
128 Signal handler (grabs Ctrl-C on POSIX systems)
131 void signal_handler_init(void);
132 // Returns a pointer to a bool.
133 // When the bool is true, program should quit.
134 bool * signal_handler_killstatus(void);
137 Path of static data directory.
139 extern std::string path_share;
142 Directory for storing user data. Examples:
143 Windows: "C:\Documents and Settings\user\Application Data\<PROJECT_NAME>"
144 Linux: "~/.<PROJECT_NAME>"
145 Mac: "~/Library/Application Support/<PROJECT_NAME>"
147 extern std::string path_user;
150 Path to gettext locale files
152 extern std::string path_locale;
155 Path to directory for storing caches.
157 extern std::string path_cache;
160 Get full path of stuff in data directory.
161 Example: "stone.png" -> "../data/stone.png"
163 std::string getDataPath(const char *subpath);
166 Move cache folder from path_user to the
167 system cache location if possible.
169 void migrateCachePath();
174 void initializePaths();
177 Return system information
178 e.g. "Linux/3.12.7 x86_64"
180 std::string get_sysinfo();
182 void initIrrlicht(irr::IrrlichtDevice * );
185 Resolution is 10-20ms.
186 Remember to check for overflows.
187 Overflow can occur at any value higher than 10000000.
189 #ifdef _WIN32 // Windows
191 inline u32 getTimeS()
193 return GetTickCount() / 1000;
196 inline u32 getTimeMs()
198 return GetTickCount();
201 inline u32 getTimeUs()
203 LARGE_INTEGER freq, t;
204 QueryPerformanceFrequency(&freq);
205 QueryPerformanceCounter(&t);
206 return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000.0);
209 inline u32 getTimeNs()
211 LARGE_INTEGER freq, t;
212 QueryPerformanceFrequency(&freq);
213 QueryPerformanceCounter(&t);
214 return (double)(t.QuadPart) / ((double)(freq.QuadPart) / 1000000000.0);
218 inline void _os_get_clock(struct timespec *ts)
220 #if defined(__MACH__) && defined(__APPLE__)
221 // from http://stackoverflow.com/questions/5167269/clock-gettime-alternative-in-mac-os-x
222 // OS X does not have clock_gettime, use clock_get_time
225 host_get_clock_service(mach_host_self(), CALENDAR_CLOCK, &cclock);
226 clock_get_time(cclock, &mts);
227 mach_port_deallocate(mach_task_self(), cclock);
228 ts->tv_sec = mts.tv_sec;
229 ts->tv_nsec = mts.tv_nsec;
230 #elif defined(CLOCK_MONOTONIC_RAW)
231 clock_gettime(CLOCK_MONOTONIC_RAW, ts);
232 #elif defined(_POSIX_MONOTONIC_CLOCK)
233 clock_gettime(CLOCK_MONOTONIC, ts);
236 gettimeofday(&tv, NULL);
237 TIMEVAL_TO_TIMESPEC(&tv, ts);
238 #endif // defined(__MACH__) && defined(__APPLE__)
241 // Note: these clock functions do not return wall time, but
242 // generally a clock that starts at 0 when the process starts.
243 inline u32 getTimeS()
250 inline u32 getTimeMs()
254 return ts.tv_sec * 1000 + ts.tv_nsec / 1000000;
257 inline u32 getTimeUs()
261 return ts.tv_sec * 1000000 + ts.tv_nsec / 1000;
264 inline u32 getTimeNs()
268 return ts.tv_sec * 1000000000 + ts.tv_nsec;
271 /*#include <sys/timeb.h>
272 inline u32 getTimeMs()
276 return tb.time * 1000 + tb.millitm;
280 inline u32 getTime(TimePrecision prec)
283 case PRECISION_SECONDS:
285 case PRECISION_MILLI:
287 case PRECISION_MICRO:
296 * Delta calculation function taking two 32bit arguments.
297 * @param old_time_ms old time for delta calculation (order is relevant!)
298 * @param new_time_ms new time for delta calculation (order is relevant!)
299 * @return positive 32bit delta value
301 inline u32 getDeltaMs(u32 old_time_ms, u32 new_time_ms)
303 if (new_time_ms >= old_time_ms) {
304 return (new_time_ms - old_time_ms);
306 return (old_time_ms - new_time_ms);
312 float getDisplayDensity();
314 v2u32 getDisplaySize();
315 v2u32 getWindowSize();
317 std::vector<core::vector3d<u32> > getSupportedVideoModes();
318 std::vector<irr::video::E_DRIVER_TYPE> getSupportedVideoDrivers();
319 const char *getVideoDriverName(irr::video::E_DRIVER_TYPE type);
320 const char *getVideoDriverFriendlyName(irr::video::E_DRIVER_TYPE type);
323 inline const char *getPlatformName()
328 #elif defined(__linux__)
330 #elif defined(_WIN32) || defined(_WIN64)
332 #elif defined(__DragonFly__) || defined(__FreeBSD__) || \
333 defined(__NetBSD__) || defined(__OpenBSD__)
335 #elif defined(__APPLE__) && defined(__MACH__)
338 #elif TARGET_OS_IPHONE
345 #elif defined(__hpux)
347 #elif defined(__sun) || defined(sun)
353 #elif defined(__CYGWIN__)
355 #elif defined(__unix__) || defined(__unix)
356 #if defined(_POSIX_VERSION)
367 void setXorgClassHint(const video::SExposedVideoData &video_data,
368 const std::string &name);
370 bool setXorgWindowIcon(IrrlichtDevice *device);
372 bool setXorgWindowIconFromPath(IrrlichtDevice *device,
373 const std::string &icon_file);
375 // This only needs to be called at the start of execution, since all future
376 // threads in the process inherit this exception handler
377 void setWin32ExceptionHandler();
379 bool secure_rand_fill_buf(void *buf, size_t len);
380 } // namespace porting
383 #include "porting_android.h"
386 #endif // PORTING_HEADER