diff options
| -rw-r--r-- | make/build-jogl.xml | 4 | ||||
| -rw-r--r-- | src/jogl/native/timespec.c | 63 | ||||
| -rw-r--r-- | src/jogl/native/timespec.h | 19 |
3 files changed, 86 insertions, 0 deletions
diff --git a/make/build-jogl.xml b/make/build-jogl.xml index fc6786e21..511f147be 100644 --- a/make/build-jogl.xml +++ b/make/build-jogl.xml @@ -1130,6 +1130,8 @@ <linker id="linker.cfg.macosx.jogl" extends="linker.cfg.macosx"> <linkerarg value="-framework" /> + <linkerarg value="QuartzCore" /> + <linkerarg value="-framework" /> <linkerarg value="Cocoa" /> <linkerarg value="-framework" /> <linkerarg value="OpenGL" /> @@ -1276,6 +1278,7 @@ <patternset id="c.src.files.jogl.desktop"> <include name="${rootrel.src.c}/JoglCommon.c"/> <include name="${rootrel.src.c}/GLDebugMessageHandler.c"/> + <include name="${rootrel.src.c}/timespec.c" if="isOSX"/> <!-- currently only used for OSX --> <include name="${rootrel.src.c}/macosx/MacOSXCustomCGLCode.c" if="isOSX"/> <include name="${rootrel.src.c}/macosx/MacOSXWindowSystemInterface.m" if="isOSX"/> <include name="${rootrel.src.c}/macosx/MacOSXWindowSystemInterface-pbuffer.m" if="isOSX"/> @@ -1350,6 +1353,7 @@ <includepath path="stub_includes/cg" if="setup.addNativeNVidiaCG"/> <!-- This is for the generated headers for handwritten C code --> + <includepath path="${src.c}"/> <includepath path="${src.generated.c}" /> <includepath path="${src.generated.c}/X11" if="isX11"/> <includepath path="${src.generated.c}/MacOSX" if="isOSX"/> diff --git a/src/jogl/native/timespec.c b/src/jogl/native/timespec.c new file mode 100644 index 000000000..74c1a6901 --- /dev/null +++ b/src/jogl/native/timespec.c @@ -0,0 +1,63 @@ +#include "timespec.h" +#include <sys/time.h> + +void timespec_now(struct timespec *ts) +{ + struct timeval tv; + + // not using clock_gettime() [of rt library] due to portability + gettimeofday(&tv, NULL); + ts->tv_sec = tv.tv_sec; + ts->tv_nsec = tv.tv_usec*1000; +} + +void timespec_addms(struct timespec *ts, long ms) +{ + int sec=ms/1000; + ms=ms-sec*1000; + + // perform the addition + ts->tv_nsec+=ms*1000000; + + // adjust the time + ts->tv_sec+=ts->tv_nsec/1000000000 + sec; + ts->tv_nsec=ts->tv_nsec%1000000000; +} + +void timespec_addns(struct timespec *ts, long ns) +{ + int sec=ns/1000000000; + ns=ns - sec*1000000000; + + // perform the addition + ts->tv_nsec+=ns; + + // adjust the time + ts->tv_sec+=ts->tv_nsec/1000000000 + sec; + ts->tv_nsec=ts->tv_nsec%1000000000; + +} + +int timespec_compare(struct timespec *a, struct timespec *b) +{ + if (a->tv_sec!=b->tv_sec) + return a->tv_sec-b->tv_sec; + return a->tv_nsec-b->tv_nsec; +} + +void timespec_subtract(struct timespec *r, struct timespec *a, struct timespec *b) +{ + r->tv_sec = a->tv_sec; + r->tv_nsec = a->tv_nsec - b->tv_nsec; + if (r->tv_nsec < 0) { + // borrow. + r->tv_nsec += 1000000000; + r->tv_sec --; + } + r->tv_sec = r->tv_sec - b->tv_sec; +} + +long timespec_milliseconds(struct timespec *a) +{ + return a->tv_sec*1000 + a->tv_nsec/1000000; +} diff --git a/src/jogl/native/timespec.h b/src/jogl/native/timespec.h new file mode 100644 index 000000000..671eb4716 --- /dev/null +++ b/src/jogl/native/timespec.h @@ -0,0 +1,19 @@ +#ifndef _timespec_h +#define _timespec_h + +#include <time.h> + +void timespec_now(struct timespec *ts); +void timespec_addms(struct timespec *ts, long ms); +void timespec_addns(struct timespec *ts, long ns); + +/** returns 0: a==b, >0: a>b, <0: a<b */ +int timespec_compare(struct timespec *a, struct timespec *b); + +/** computes r = a - b */ +void timespec_subtract(struct timespec *r, struct timespec *a, struct timespec *b); + +/** convert the timespec into milliseconds (may overflow) */ +long timespec_milliseconds(struct timespec *a); + +#endif /* _timespec_h */ |