Mercurial > sdl-ios-xcode

annotate src/audio/SDL_mixer_MMX_VC.h @ 4386:dcb26ac38e6b SDL-1.2

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Fixed crash - need to save and restore rbx around cpuid, since the compiler may be assuming the stack pointer isn't being modified when filling in %0. I did it around each call to cpuid which isn't strictly necessary, but is definitely future proof. :)
author Sam Lantinga <slouken@libsdl.org>
date Wed, 02 Dec 2009 16:24:21 +0000
parents a8e5b518e194
children
rev   line source
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d910939febfa Use consistent identifiers for the various platforms we support.
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1 /*
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2 SDL - Simple DirectMedia Layer
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3 Copyright (C) 1997-2009 Sam Lantinga
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4
d910939febfa Use consistent identifiers for the various platforms we support.
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5 This library is free software; you can redistribute it and/or
d910939febfa Use consistent identifiers for the various platforms we support.
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6 modify it under the terms of the GNU Lesser General Public
d910939febfa Use consistent identifiers for the various platforms we support.
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7 License as published by the Free Software Foundation; either
d910939febfa Use consistent identifiers for the various platforms we support.
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8 version 2.1 of the License, or (at your option) any later version.
d910939febfa Use consistent identifiers for the various platforms we support.
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9
d910939febfa Use consistent identifiers for the various platforms we support.
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10 This library is distributed in the hope that it will be useful,
d910939febfa Use consistent identifiers for the various platforms we support.
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of
d910939febfa Use consistent identifiers for the various platforms we support.
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
d910939febfa Use consistent identifiers for the various platforms we support.
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13 Lesser General Public License for more details.
d910939febfa Use consistent identifiers for the various platforms we support.
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14
d910939febfa Use consistent identifiers for the various platforms we support.
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15 You should have received a copy of the GNU Lesser General Public
d910939febfa Use consistent identifiers for the various platforms we support.
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16 License along with this library; if not, write to the Free Software
d910939febfa Use consistent identifiers for the various platforms we support.
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17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
d910939febfa Use consistent identifiers for the various platforms we support.
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18
d910939febfa Use consistent identifiers for the various platforms we support.
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19 Sam Lantinga
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20 slouken@libsdl.org
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21 */
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22 #include "SDL_config.h"
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23
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24
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25 #if defined(SDL_BUGGY_MMX_MIXERS) /* buggy, so we're disabling them. --ryan. */
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26 #if ((defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)) && defined(SDL_ASSEMBLY_ROUTINES)
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27 /* headers for MMX assembler version of SDL_MixAudio
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28 Copyright 2002 Stephane Marchesin (stephane.marchesin@wanadoo.fr)
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29 Converted to Intel ASM notation by Cth
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30 This code is licensed under the LGPL (see COPYING for details)
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31
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32 Assumes buffer size in bytes is a multiple of 16
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33 Assumes SDL_MIX_MAXVOLUME = 128
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34 */
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35 void SDL_MixAudio_MMX_S16_VC(char* ,char* ,unsigned int ,int );
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36 void SDL_MixAudio_MMX_S8_VC(char* ,char* ,unsigned int ,int );
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37 #endif
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38 #endif