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Add swap_interval support.

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Again, mostly useful for 120Hz monitors, and/or playing content which is
a fraction of monitor refresh rate.
This commit is contained in:
Themaister 2013-09-01 13:20:10 +02:00
parent 45cfc584f9
commit b2bf3c12de
8 changed files with 62 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
config.def.h
View File

@ -219,6 +219,10 @@ static const unsigned hard_sync_frames = 0;
// 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;
// Uses a custom swap interval for VSync.
// Set this to effectively halve monitor refresh rate.
static unsigned swap_interval = 1;
// Threaded video. Will possibly increase performance significantly at cost of worse synchronization and latency.
static const bool video_threaded = false;

1
frontend/menu/menu_common.h
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@ -119,6 +119,7 @@ typedef enum
RGUI_SETTINGS_VIDEO_HARD_SYNC,
RGUI_SETTINGS_VIDEO_HARD_SYNC_FRAMES,
RGUI_SETTINGS_VIDEO_BLACK_FRAME_INSERTION,
RGUI_SETTINGS_VIDEO_SWAP_INTERVAL,
RGUI_SETTINGS_VIDEO_REFRESH_RATE_AUTO,
RGUI_SETTINGS_VIDEO_OPTIONS_LAST,
#ifdef HAVE_SHADER_MANAGER

34
frontend/menu/rgui.c
View File

@ -605,6 +605,9 @@ static void render_text(rgui_handle_t *rgui)
case RGUI_SETTINGS_VIDEO_BLACK_FRAME_INSERTION:
strlcpy(type_str, g_settings.video.black_frame_insertion ? "ON" : "OFF", sizeof(type_str));
break;
case RGUI_SETTINGS_VIDEO_SWAP_INTERVAL:
snprintf(type_str, sizeof(type_str), "%u", g_settings.video.swap_interval);
break;
case RGUI_SETTINGS_VIDEO_HARD_SYNC_FRAMES:
snprintf(type_str, sizeof(type_str), "%u", g_settings.video.hard_sync_frames);
break;
@ -1513,6 +1516,7 @@ static void rgui_settings_video_options_populate_entries(rgui_handle_t *rgui)
rgui_list_push(rgui->selection_buf, "Hard GPU Sync", RGUI_SETTINGS_VIDEO_HARD_SYNC, 0);
rgui_list_push(rgui->selection_buf, "Hard GPU Sync Frames", RGUI_SETTINGS_VIDEO_HARD_SYNC_FRAMES, 0);
rgui_list_push(rgui->selection_buf, "Black Frame Insertion", RGUI_SETTINGS_VIDEO_BLACK_FRAME_INSERTION, 0);
rgui_list_push(rgui->selection_buf, "VSync Swap Interval", RGUI_SETTINGS_VIDEO_SWAP_INTERVAL, 0);
rgui_list_push(rgui->selection_buf, "Estimated Monitor FPS", RGUI_SETTINGS_VIDEO_REFRESH_RATE_AUTO, 0);
}
@ -1958,6 +1962,36 @@ static int video_option_toggle_setting(rgui_handle_t *rgui, unsigned setting, rg
}
break;
case RGUI_SETTINGS_VIDEO_SWAP_INTERVAL:
{
unsigned old = g_settings.video.swap_interval;
switch (action)
{
case RGUI_ACTION_START:
g_settings.video.swap_interval = 1;
break;
case RGUI_ACTION_LEFT:
g_settings.video.swap_interval--;
break;
case RGUI_ACTION_RIGHT:
case RGUI_ACTION_OK:
g_settings.video.swap_interval++;
break;
default:
break;
}
g_settings.video.swap_interval = min(g_settings.video.swap_interval, 4);
g_settings.video.swap_interval = max(g_settings.video.swap_interval, 1);
if (old != g_settings.video.swap_interval && driver.video && driver.video_data)
video_set_nonblock_state_func(false); // This will update the current swap interval. Since we're in RGUI now, always apply VSync.
break;
}
case RGUI_SETTINGS_VIDEO_HARD_SYNC_FRAMES:
switch (action)
{

1
general.h
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@ -160,6 +160,7 @@ struct settings
bool vsync;
bool hard_sync;
bool black_frame_insertion;
unsigned swap_interval;
unsigned hard_sync_frames;
bool smooth;
bool force_aspect;

2
gfx/context/drm_egl_ctx.c
View File

@ -93,6 +93,8 @@ static void sighandler(int sig)
static void gfx_ctx_swap_interval(unsigned interval)
{
g_interval = interval;
if (interval > 1)
RARCH_WARN("[KMS/EGL]: Swap intervals > 1 currently not supported. Will use swap interval of 1.\n");
}
static void gfx_ctx_check_window(bool *quit,

15
gfx/d3d9/d3d9.cpp
View File

@ -145,7 +145,20 @@ void D3DVideo::make_d3dpp(const video_info_t &info, D3DPRESENT_PARAMETERS &d3dpp
d3dpp.Windowed = g_settings.video.windowed_fullscreen || !info.fullscreen;
d3dpp.PresentationInterval = info.vsync ? D3DPRESENT_INTERVAL_ONE : D3DPRESENT_INTERVAL_IMMEDIATE;
if (info.vsync)
{
switch (g_settings.video.swap_interval)
{
default:
case 1: d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE; break;
case 2: d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_TWO; break;
case 3: d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_THREE; break;
case 4: d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_FOUR; break;
}
}
else
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.hDeviceWindow = hWnd;
d3dpp.BackBufferCount = 2;

2
gfx/gl.c
View File

@ -1628,7 +1628,7 @@ static void gl_set_nonblock_state(void *data, bool state)
gl_t *gl = (gl_t*)data;
(void)gl;
context_swap_interval_func(state ? 0 : 1);
context_swap_interval_func(state ? 0 : g_settings.video.swap_interval);
}
static bool resolve_extensions(gl_t *gl)

5
settings.c
View File

@ -169,6 +169,7 @@ void config_set_defaults(void)
g_settings.video.hard_sync = hard_sync;
g_settings.video.hard_sync_frames = hard_sync_frames;
g_settings.video.black_frame_insertion = black_frame_insertion;
g_settings.video.swap_interval = swap_interval;
g_settings.video.threaded = video_threaded;
g_settings.video.smooth = video_smooth;
g_settings.video.force_aspect = force_aspect;
@ -493,6 +494,9 @@ bool config_load_file(const char *path)
g_settings.video.hard_sync_frames = 3;
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);
g_settings.video.swap_interval = min(g_settings.video.swap_interval, 4);
CONFIG_GET_BOOL(video.threaded, "video_threaded");
CONFIG_GET_BOOL(video.smooth, "video_smooth");
CONFIG_GET_BOOL(video.force_aspect, "video_force_aspect");
@ -979,6 +983,7 @@ bool config_save_file(const char *path)
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_bool(conf, "video_black_frame_insertion", g_settings.video.black_frame_insertion);
config_set_int(conf, "video_swap_interval", g_settings.video.swap_interval);
config_set_int(conf, "aspect_ratio_index", g_settings.video.aspect_ratio_idx);
config_set_string(conf, "audio_device", g_settings.audio.device);
config_set_bool(conf, "audio_rate_control", g_settings.audio.rate_control);