Mercurial > sdl-ios-xcode
view include/SDL_cpuinfo.h @ 872:e7be95d758e8
Date: Fri, 05 Mar 2004 16:08:01 +0000
From: Alan Swanson
Subject: Re: [SDL] Fatal signal when initiaize with USB joystick on 2.6.2 kern
On Fri, 2004-03-05 at 15:09, Sam Lantinga wrote:
> > Fred, how does the attached patch work for you? Do all your axes work?
>
> I think you meant the two lines to be reversed.
> I checked a more robust version of this into CVS. Fred, can you see if
> it works?
You've misread the code. :-/
For coef[0] and coef[1], it is (values[2]+values[1]) / 2 and then add
or subtract values[4] to the answer.
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Sat, 06 Mar 2004 02:58:06 +0000 |
parents | ca06a994f03c |
children | c9b51268668f |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2004 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@libsdl.org */ #ifdef SAVE_RCSID static char rcsid = "@(#) $Id$"; #endif /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* CPU feature detection for SDL */ #ifndef _SDL_cpuinfo_h #define _SDL_cpuinfo_h #include "begin_code.h" /* Set up for C function definitions, even when using C++ */ #ifdef __cplusplus extern "C" { #endif /* This function returns true if the CPU has the RDTSC instruction */ extern DECLSPEC SDL_bool SDLCALL SDL_HasRDTSC(); /* This function returns true if the CPU has MMX features */ extern DECLSPEC SDL_bool SDLCALL SDL_HasMMX(); /* This function returns true if the CPU has MMX Ext. features */ extern DECLSPEC SDL_bool SDLCALL SDL_HasMMXExt(); /* This function returns true if the CPU has 3DNow features */ extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNow(); /* This function returns true if the CPU has 3DNow! Ext. features */ extern DECLSPEC SDL_bool SDLCALL SDL_Has3DNowExt(); /* This function returns true if the CPU has SSE features */ extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE(); /* This function returns true if the CPU has SSE2 features */ extern DECLSPEC SDL_bool SDLCALL SDL_HasSSE2(); /* This function returns true if the CPU has AltiVec features */ extern DECLSPEC SDL_bool SDLCALL SDL_HasAltiVec(); /* Ends C function definitions when using C++ */ #ifdef __cplusplus } #endif #include "close_code.h" #endif /* _SDL_cpuinfo_h */