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use real timer to delay applying shader changes on watch notification

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This commit is contained in:
Brad Parker 2018-01-26 20:27:29 -05:00
parent fc0ea0c63f
commit ba41d1bf84
1 changed files with 19 additions and 7 deletions
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26
retroarch.c
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@ -109,6 +109,7 @@
#include "managers/cheat_manager.h"
#include "managers/state_manager.h"
#include "tasks/tasks_internal.h"
#include "performance_counters.h"
#include "version.h"
#include "version_git.h"
@ -130,7 +131,7 @@
#define DEFAULT_EXT ""
#endif
#define SHADER_FILE_WATCH_DELAY_FRAMES 10
#define SHADER_FILE_WATCH_DELAY_MSEC 500
/* Descriptive names for options without short variant.
*
@ -2998,13 +2999,22 @@ static enum runloop_state runloop_check_state(
if (settings->bools.video_shader_watch_files)
{
static rarch_timer_t timer = {0};
static bool need_to_apply = false;
static int elapsed_frames = 0;
if (video_shader_check_for_changes())
{
need_to_apply = true;
elapsed_frames = 0;
if (!rarch_timer_is_running(&timer))
{
/* rarch_timer_t convenience functions only support whole seconds. */
/* rarch_timer_begin */
timer.timeout_end = cpu_features_get_time_usec() + SHADER_FILE_WATCH_DELAY_MSEC * 1000;
timer.timer_begin = true;
timer.timer_end = false;
}
}
/* If a file is modified atomically (moved/renamed from a different file), we have no idea how long that might take.
@ -3014,14 +3024,16 @@ static enum runloop_state runloop_check_state(
*/
if (need_to_apply)
{
if (elapsed_frames > SHADER_FILE_WATCH_DELAY_FRAMES)
/* rarch_timer_tick */
timer.current = cpu_features_get_time_usec();
timer.timeout = (timer.timeout_end - timer.current) / 1000;
if (!timer.timer_end && rarch_timer_has_expired(&timer))
{
rarch_timer_end(&timer);
need_to_apply = false;
elapsed_frames = 0;
command_event(CMD_EVENT_SHADERS_APPLY_CHANGES, NULL);
}
else
elapsed_frames++;
}
}