diff options
| -rw-r--r-- | fmdsp/fmdsp_platform_mach.c | 51 | ||||
| -rw-r--r-- | sdl/osx/Makefile | 2 |
2 files changed, 52 insertions, 1 deletions
diff --git a/fmdsp/fmdsp_platform_mach.c b/fmdsp/fmdsp_platform_mach.c new file mode 100644 index 0000000..96f64eb --- /dev/null +++ b/fmdsp/fmdsp_platform_mach.c @@ -0,0 +1,51 @@ +#include "fmdsp_platform_info.h" +#include <mach/mach.h> +#include <mach/clock.h> +#include <sys/times.h> +#include <stdbool.h> +#include <limits.h> + +static struct { + clock_t lastall; + clock_t lastcpu; + mach_timespec_t lasttimespec; + bool clock_initialized; + clock_serv_t clock; +} g; + +int fmdsp_cpu_usage(void) { + struct tms tmsbuf; + clock_t all = times(&tmsbuf); + clock_t cpu = tmsbuf.tms_utime + tmsbuf.tms_stime; + clock_t percentage = 0; + clock_t alld = all - g.lastall; + clock_t cpud = cpu - g.lastcpu; + if (alld) percentage = cpud * 100 / alld; + g.lastall = all; + g.lastcpu = cpu; + if (!g.lastall) percentage = 0; + if (percentage > INT_MAX) percentage = INT_MAX; + if (percentage < 0) percentage = 0; + return percentage; +} + +int fmdsp_fps_30(void) { + if (!g.clock_initialized) { + host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &g.clock); + g.clock_initialized = true; + } + mach_timespec_t time; + clock_get_time(g.clock, &time); + uint64_t fps = 0; + if (g.lasttimespec.tv_sec || g.lasttimespec.tv_nsec) { + uint64_t diffns = time.tv_sec - g.lasttimespec.tv_sec; + diffns *= 1000000000ull; + diffns += time.tv_nsec - g.lasttimespec.tv_nsec; + if (diffns) { + fps = 30ull * 1000000000ull / diffns; + } + } + g.lasttimespec = time; + if (fps > INT_MAX) fps = INT_MAX; + return fps; +} diff --git a/sdl/osx/Makefile b/sdl/osx/Makefile index 8c17c7d..18ae005 100644 --- a/sdl/osx/Makefile +++ b/sdl/osx/Makefile @@ -9,7 +9,7 @@ XCRUN:=xcrun --sdk /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.p CC:=$(XCRUN) cc OBJS:=main.o OBJS+=pacc-gl.o -OBJS+=fmdsp-pacc.o font_fmdsp_small.o fmdsp_platform_unix.o +OBJS+=fmdsp-pacc.o font_fmdsp_small.o fmdsp_platform_mach.o OBJS+=opna.o opnafm.o opnassg.o opnadrum.o opnaadpcm.o opnatimer.o opnassg-sinc-c.o opnassg-sinc-sse2.o OBJS+=fmdriver_pmd.o fmdriver_fmp.o ppz8.o fmdriver_common.o OBJS+=fmplayer_file.o fmplayer_work_opna.o fmplayer_file_unix.o fmplayer_drumrom_unix.o |