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Implement frame delay option

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Sets how many milliseconds to delay after VSync before running the core.
This commit is contained in:
Mike Robinson 2014-08-28 19:54:42 +01:00
parent 3f8f4a85ee
commit ac421ec19b
7 changed files with 35 additions and 0 deletions
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4
config.def.h
View File

@ -310,6 +310,10 @@ static const bool hard_sync = false;
// 2: Etc ...
static const unsigned hard_sync_frames = 0;
// Sets how many milliseconds to delay after VSync before running the core.
// Can reduce latency at cost of performance.
static const unsigned frame_delay = 0;
// Inserts a black frame inbetween frames.
// Useful for 120 Hz monitors who want to play 60 Hz material with eliminated ghosting. video_refresh_rate should still be configured as if it is a 60 Hz monitor (divide refresh rate by 2).
static bool black_frame_insertion = false;

2
frontend/menu/backend/menu_common_backend.c
View File

@ -210,6 +210,8 @@ static void menu_common_entries_init(menu_handle_t *menu, unsigned menu_type)
0, 0, setting_data);
file_list_push(menu->selection_buf, "", "video_hard_sync_frames",
0, 0, setting_data);
file_list_push(menu->selection_buf, "", "video_frame_delay",
0, 0, setting_data);
if ((current_setting = (rarch_setting_t*)setting_data_find_setting(setting_data, "video_black_frame_insertion")))
file_list_push(menu->selection_buf, "", "video_black_frame_insertion",
0, 0, setting_data);

1
general.h
View File

@ -209,6 +209,7 @@ struct settings
bool black_frame_insertion;
unsigned swap_interval;
unsigned hard_sync_frames;
unsigned frame_delay;
#ifdef GEKKO
unsigned viwidth;
#endif

3
retroarch.c
View File

@ -3443,6 +3443,9 @@ bool rarch_main_iterate(void)
g_settings.input.analog_dpad_mode[i]);
}
if ((g_settings.video.frame_delay > 0) && !driver.nonblock_state)
rarch_sleep(g_settings.video.frame_delay);
update_frame_time();
pretro_run();
limit_frame_time();

5
retroarch.cfg
View File

@ -127,6 +127,11 @@
# Maximum is 3.
# video_hard_sync_frames = 0
# Sets how many milliseconds to delay after VSync before running the core.
# Can reduce latency at cost of performance.
# Maximum is 15.
# video_frame_delay = 0
# Inserts a black frame inbetween frames.
# Useful for 120 Hz monitors who want to play 60 Hz material with eliminated ghosting.
# video_refresh_rate should still be configured as if it is a 60 Hz monitor (divide refresh rate by 2).

6
settings.c
View File

@ -287,6 +287,7 @@ void config_set_defaults(void)
g_settings.video.vsync = vsync;
g_settings.video.hard_sync = hard_sync;
g_settings.video.hard_sync_frames = hard_sync_frames;
g_settings.video.frame_delay = frame_delay;
g_settings.video.black_frame_insertion = black_frame_insertion;
g_settings.video.swap_interval = swap_interval;
g_settings.video.threaded = video_threaded;
@ -814,6 +815,10 @@ bool config_load_file(const char *path, bool set_defaults)
if (g_settings.video.hard_sync_frames > 3)
g_settings.video.hard_sync_frames = 3;
CONFIG_GET_INT(video.frame_delay, "video_frame_delay");
if (g_settings.video.frame_delay > 15)
g_settings.video.frame_delay = 15;
CONFIG_GET_BOOL(video.black_frame_insertion, "video_black_frame_insertion");
CONFIG_GET_INT(video.swap_interval, "video_swap_interval");
g_settings.video.swap_interval = max(g_settings.video.swap_interval, 1);
@ -1356,6 +1361,7 @@ bool config_save_file(const char *path)
config_set_bool(conf, "video_vsync", g_settings.video.vsync);
config_set_bool(conf, "video_hard_sync", g_settings.video.hard_sync);
config_set_int(conf, "video_hard_sync_frames", g_settings.video.hard_sync_frames);
config_set_int(conf, "video_frame_delay", g_settings.video.frame_delay);
config_set_bool(conf, "video_black_frame_insertion", g_settings.video.black_frame_insertion);
config_set_bool(conf, "video_disable_composition", g_settings.video.disable_composition);
config_set_bool(conf, "pause_nonactive", g_settings.pause_nonactive);

14
settings_data.c
View File

@ -863,6 +863,15 @@ void setting_data_get_description(const void *data, char *msg,
" 0: Syncs to GPU immediately.\n"
" 1: Syncs to previous frame.\n"
" 2: Etc ...");
else if (!strcmp(setting->name, "video_frame_delay"))
snprintf(msg, sizeof_msg,
" -- Sets how many milliseconds to delay \n"
"after VSync before running the core.\n"
" \n"
"Can reduce latency at cost of \n"
"performance."
" \n"
"Maximum is 15.\n");
else if (!strcmp(setting->name, "audio_rate_control_delta"))
snprintf(msg, sizeof_msg,
" -- Audio rate control.\n"
@ -1153,6 +1162,8 @@ static void general_read_handler(const void *data)
*setting->value.boolean = g_settings.video.hard_sync;
else if (!strcmp(setting->name, "video_hard_sync_frames"))
*setting->value.unsigned_integer = g_settings.video.hard_sync_frames;
else if (!strcmp(setting->name, "video_frame_delay"))
*setting->value.unsigned_integer = g_settings.video.frame_delay;
else if (!strcmp(setting->name, "video_scale_integer"))
*setting->value.boolean = g_settings.video.scale_integer;
else if (!strcmp(setting->name, "video_fullscreen"))
@ -1496,6 +1507,8 @@ static void general_write_handler(const void *data)
g_settings.video.hard_sync = *setting->value.boolean;
else if (!strcmp(setting->name, "video_hard_sync_frames"))
g_settings.video.hard_sync_frames = *setting->value.unsigned_integer;
else if (!strcmp(setting->name, "video_frame_delay"))
g_settings.video.frame_delay = *setting->value.unsigned_integer;
else if (!strcmp(setting->name, "video_scale_integer"))
g_settings.video.scale_integer = *setting->value.boolean;
else if (!strcmp(setting->name, "video_fullscreen"))
@ -2019,6 +2032,7 @@ rarch_setting_t *setting_data_get_list(void)
CONFIG_UINT(g_settings.video.swap_interval, "video_swap_interval", "VSync Swap Interval", swap_interval, GROUP_NAME, SUBGROUP_NAME, general_write_handler, general_read_handler) WITH_RANGE(1, 4, 1, true, true)
CONFIG_BOOL(g_settings.video.hard_sync, "video_hard_sync", "Hard GPU Sync", hard_sync, "OFF", "ON", GROUP_NAME, SUBGROUP_NAME, general_write_handler, general_read_handler)
CONFIG_UINT(g_settings.video.hard_sync_frames, "video_hard_sync_frames", "Hard GPU Sync Frames", hard_sync_frames, GROUP_NAME, SUBGROUP_NAME, general_write_handler, general_read_handler) WITH_RANGE(0, 3, 1, true, true)
CONFIG_UINT(g_settings.video.frame_delay, "video_frame_delay", "Frame Delay", frame_delay, GROUP_NAME, SUBGROUP_NAME, general_write_handler, general_read_handler) WITH_RANGE(0, 15, 1, true, true)
#if !defined(RARCH_MOBILE)
CONFIG_BOOL(g_settings.video.black_frame_insertion, "video_black_frame_insertion", "Black Frame Insertion", black_frame_insertion, "OFF", "ON", GROUP_NAME, SUBGROUP_NAME, general_write_handler, general_read_handler)
#endif