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Clarify check_variables().

This commit is contained in:
Themaister 2014-02-23 23:04:18 +01:00
parent 520c5534c1
commit a3de207fbd
1 changed files with 5 additions and 0 deletions
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5
libretro-test/libretro-test.c
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@ -276,6 +276,11 @@ static void check_variables(void)
retro_get_system_av_info(&info); retro_get_system_av_info(&info);
if ((last != last_aspect && last != 0.0f) || (last_rate != last_sample_rate && last_rate != 0.0f)) if ((last != last_aspect && last != 0.0f) || (last_rate != last_sample_rate && last_rate != 0.0f))
{ {
// SET_SYSTEM_AV_INFO can only be called within retro_run().
// check_variables() is called once in retro_load_game(), but the checks
// on last and last_rate ensures this path is never hit that early.
// last_aspect and last_sample_rate are not updated until retro_get_system_av_info(),
// which must come after retro_load_game().
bool ret = environ_cb(RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO, &info); bool ret = environ_cb(RETRO_ENVIRONMENT_SET_SYSTEM_AV_INFO, &info);
logging.log(RETRO_LOG_INFO, "SET_SYSTEM_AV_INFO = %u.\n", ret); logging.log(RETRO_LOG_INFO, "SET_SYSTEM_AV_INFO = %u.\n", ret);
} }