From a855d6202536ff28e5aae4f22a0f31d8f5b325d0 Mon Sep 17 00:00:00 2001 From: Franklin Wei Date: Sat, 21 Jan 2017 15:18:31 -0500 Subject: Port of Duke Nukem 3D This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL for Rockbox. Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9 --- .../plugins/sdl/src/timer/symbian/SDL_systimer.cpp | 114 +++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 apps/plugins/sdl/src/timer/symbian/SDL_systimer.cpp (limited to 'apps/plugins/sdl/src/timer/symbian/SDL_systimer.cpp') diff --git a/apps/plugins/sdl/src/timer/symbian/SDL_systimer.cpp b/apps/plugins/sdl/src/timer/symbian/SDL_systimer.cpp new file mode 100644 index 0000000000..a5bb749cac --- /dev/null +++ b/apps/plugins/sdl/src/timer/symbian/SDL_systimer.cpp @@ -0,0 +1,114 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@devolution.com +*/ + +/* + SDL_systimer.cpp + + Epoc version by Hannu Viitala (hannu.j.viitala@mbnet.fi) + Markus Mertama +*/ + +#include +#include + +extern "C" { +#include "SDL_error.h" +#include "SDL_thread.h" +#include "SDL_timer.h" +#include "SDL_timer_c.h" + +static TUint start = 0; +static TInt tickPeriodMilliSeconds; + + +void SDL_StartTicks(void) + { + /* Set first ticks value */ + start = User::TickCount(); + + TTimeIntervalMicroSeconds32 period; + TInt tmp = UserHal::TickPeriod(period); + tickPeriodMilliSeconds = period.Int() / 1000; + } + +Uint32 SDL_GetTicks(void) + { + TUint deltaTics = User::TickCount() - start; + return(deltaTics * tickPeriodMilliSeconds); + } + +void SDL_Delay(Uint32 ms) + { + User::After(TTimeIntervalMicroSeconds32(ms*1000)); + } + +/* Data to handle a single periodic alarm */ +static int timer_alive = 0; +static SDL_Thread *timer = NULL; + +static int RunTimer(void *unused) + { + while ( timer_alive ) + { + if (SDL_timer_running) + { + SDL_ThreadedTimerCheck(); + } + SDL_Delay(10); + } + return(0); + } + +/* This is only called if the event thread is not running */ +int SDL_SYS_TimerInit(void) + { + if(timer != NULL) + return (-1); + timer_alive = 1; + timer = SDL_CreateThread(RunTimer, NULL); + if ( timer == NULL ) + return(-1); + return(SDL_SetTimerThreaded(1)); + } + +void SDL_SYS_TimerQuit(void) + { + timer_alive = 0; + if ( timer ) + { + SDL_WaitThread(timer, NULL); + timer = NULL; + } + } + +int SDL_SYS_StartTimer(void) + { + SDL_SetError("Internal logic error: Epoc uses threaded timer"); + return(-1); + } + +void SDL_SYS_StopTimer(void) + { + return; + } + +} // extern "C" -- cgit v1.2.3