diff options
| -rw-r--r-- | src/sdl_fb.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/src/sdl_fb.c b/src/sdl_fb.c index 184e679..64ea593 100644 --- a/src/sdl_fb.c +++ b/src/sdl_fb.c @@ -12,7 +12,8 @@ typedef struct sdl_fb_setup_t { til_setup_t til_setup; - int fullscreen; + int fullscreen:1; + int vsync:1; unsigned width, height; } sdl_fb_setup_t; @@ -27,6 +28,7 @@ typedef struct sdl_fb_t { const char *title; unsigned width, height; Uint32 window_flags; + Uint32 renderer_flags; SDL_Window *window; SDL_Renderer *renderer; @@ -73,6 +75,9 @@ static int sdl_fb_init(const char *title, const til_setup_t *setup, void **res_c c->window_flags = SDL_WINDOW_FULLSCREEN_DESKTOP; } + if (s->vsync) + c->renderer_flags = SDL_RENDERER_PRESENTVSYNC; + c->title = strdup(title); if (!c->title) { free(c); @@ -134,7 +139,7 @@ static int sdl_fb_acquire(til_fb_t *fb, void *context, void *page) if (!c->window) return -1; - c->renderer = SDL_CreateRenderer(c->window, -1, SDL_RENDERER_PRESENTVSYNC); + c->renderer = SDL_CreateRenderer(c->window, -1, c->renderer_flags); if (!c->renderer) return -1; @@ -280,6 +285,7 @@ static int sdl_fb_setup(const til_settings_t *settings, til_setting_t **res_sett NULL }; til_setting_t *fullscreen; + til_setting_t *vsync; til_setting_t *size; int r; @@ -298,6 +304,21 @@ static int sdl_fb_setup(const til_settings_t *settings, til_setting_t **res_sett if (r) return r; + r = til_settings_get_and_describe_setting(settings, + &(til_setting_spec_t){ + .name = "SDL synchronize present with refresh rate", + .key = "vsync", + .regex = NULL, + .preferred = bool_values[1], + .values = bool_values, + .annotations = NULL + }, + &vsync, + res_setting, + res_desc); + if (r) + return r; + if (!strcasecmp(fullscreen->value, "off")) { r = til_settings_get_and_describe_setting(settings, &(til_setting_spec_t){ @@ -349,6 +370,9 @@ static int sdl_fb_setup(const til_settings_t *settings, til_setting_t **res_sett if (!strcasecmp(fullscreen->value, "on")) setup->fullscreen = 1; + if (!strcasecmp(vsync->value, "on")) + setup->vsync = 1; + if (size && sscanf(size->value, "%u%*[xX]%u", &setup->width, &setup->height) != 2) return til_setup_free_with_failed_setting_ret_err(&setup->til_setup, size, res_setting, -EINVAL); |