From 30f41c02aec763d32e62351452da9ef582bc3472 Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 6 Mar 2026 13:30:59 -0800 Subject: Move contrib libraries to contrib repo --- .../src/main/generic/SDL_sysmain_callbacks.c | 96 ---------------------- 1 file changed, 96 deletions(-) delete mode 100644 contrib/SDL-3.2.8/src/main/generic/SDL_sysmain_callbacks.c (limited to 'contrib/SDL-3.2.8/src/main/generic/SDL_sysmain_callbacks.c') diff --git a/contrib/SDL-3.2.8/src/main/generic/SDL_sysmain_callbacks.c b/contrib/SDL-3.2.8/src/main/generic/SDL_sysmain_callbacks.c deleted file mode 100644 index 716489f..0000000 --- a/contrib/SDL-3.2.8/src/main/generic/SDL_sysmain_callbacks.c +++ /dev/null @@ -1,96 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2025 Sam Lantinga - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ - -#include "SDL_internal.h" -#include "../SDL_main_callbacks.h" -#include "../../video/SDL_sysvideo.h" - -#ifndef SDL_PLATFORM_IOS - -static int callback_rate_increment = 0; -static bool iterate_after_waitevent = false; - -static void SDLCALL MainCallbackRateHintChanged(void *userdata, const char *name, const char *oldValue, const char *newValue) -{ - iterate_after_waitevent = newValue && (SDL_strcmp(newValue, "waitevent") == 0); - if (iterate_after_waitevent) { - callback_rate_increment = 0; - } else { - const int callback_rate = newValue ? SDL_atoi(newValue) : 0; - if (callback_rate > 0) { - callback_rate_increment = ((Uint64) 1000000000) / ((Uint64) callback_rate); - } else { - callback_rate_increment = 0; - } - } -} - -static SDL_AppResult GenericIterateMainCallbacks(void) -{ - if (iterate_after_waitevent) { - SDL_WaitEvent(NULL); - } - return SDL_IterateMainCallbacks(!iterate_after_waitevent); -} - -int SDL_EnterAppMainCallbacks(int argc, char* argv[], SDL_AppInit_func appinit, SDL_AppIterate_func appiter, SDL_AppEvent_func appevent, SDL_AppQuit_func appquit) -{ - SDL_AppResult rc = SDL_InitMainCallbacks(argc, argv, appinit, appiter, appevent, appquit); - if (rc == 0) { - SDL_AddHintCallback(SDL_HINT_MAIN_CALLBACK_RATE, MainCallbackRateHintChanged, NULL); - - Uint64 next_iteration = callback_rate_increment ? (SDL_GetTicksNS() + callback_rate_increment) : 0; - - while ((rc = GenericIterateMainCallbacks()) == SDL_APP_CONTINUE) { - // !!! FIXME: this can be made more complicated if we decide to - // !!! FIXME: optionally hand off callback responsibility to the - // !!! FIXME: video subsystem (for example, if Wayland has a - // !!! FIXME: protocol to drive an animation loop, maybe we hand - // !!! FIXME: off to them here if/when the video subsystem becomes - // !!! FIXME: initialized). - - // Try to run at whatever rate the hint requested. This makes this - // not eat all the CPU in simple things like loopwave. By - // default, we run as fast as possible, which means we'll clamp to - // vsync in common cases, and won't be restrained to vsync if the - // app is doing a benchmark or doesn't want to be, based on how - // they've set up that window. - if (callback_rate_increment == 0) { - next_iteration = 0; // just clear the timer and run at the pace the video subsystem allows. - } else { - const Uint64 now = SDL_GetTicksNS(); - if (next_iteration > now) { // Running faster than the limit, sleep a little. - SDL_DelayPrecise(next_iteration - now); - } else { - next_iteration = now; // if running behind, reset the timer. If right on time, `next_iteration` already equals `now`. - } - next_iteration += callback_rate_increment; - } - } - - SDL_RemoveHintCallback(SDL_HINT_MAIN_CALLBACK_RATE, MainCallbackRateHintChanged, NULL); - } - SDL_QuitMainCallbacks(rc); - - return (rc == SDL_APP_FAILURE) ? 1 : 0; -} - -#endif // !SDL_PLATFORM_IOS -- cgit v1.2.3