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(libretro.h) Check first if PERFORMANCE_LOG_ callback functions point

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to something before using them
This commit is contained in:
twinaphex 2013-12-17 22:00:35 +01:00
parent 2636d876d2
commit a534ebe7a4
1 changed files with 9 additions and 3 deletions
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12
libretro.h
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@ -630,28 +630,34 @@ struct retro_perf_callback
#ifdef RARCH_INTERNAL
#define retro_perf_register_func rarch_perf_register
#define retro_perf_register_func_exists 1
#define retro_get_perf_counter_func rarch_get_perf_counter
#define retro_get_perf_counter_func_exists 1
#else
#define retro_perf_register_func perf_register_cb
#define retro_get_perf_counter_func perf_get_counter_cb
#define retro_get_perf_counter_func_exists retro_get_perf_counter_func
#endif
#if defined(PERF_TEST) || !defined(RARCH_INTERNAL)
#define RETRO_PERFORMANCE_INIT(X) \
static retro_perf_counter_t X = {#X}; \
do { \
if (!(X).registered) \
if (!(X).registered && retro_perf_register_func_exists) \
retro_perf_register_func(&(X)); \
} while(0)
#define RETRO_PERFORMANCE_START(X) do { \
(X).call_cnt++; \
(X).start = retro_get_perf_counter_func(); \
if (retro_get_perf_counter_func_exists) \
(X).start = retro_get_perf_counter_func(); \
} while(0)
#define RETRO_PERFORMANCE_STOP(X) do { \
(X).total += retro_get_perf_counter_func() - (X).start; \
if (retro_get_perf_counter_func_exists) \
(X).total += retro_get_perf_counter_func() - (X).start; \
} while(0)
#else
#define RETRO_PERFORMANCE_INIT(X)
#define RETRO_PERFORMANCE_START(X)