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Forcibly disabled MMX mixers.

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Hopefully fixes Bugzilla #649.

--HG--
branch : SDL-1.2
This commit is contained in:
Ryan C. Gordon
2009-10-12 08:58:12 +00:00
parent fdf24e0516
commit 502b4667e6
5 changed files with 14 additions and 1 deletions
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6
src/audio/SDL_mixer.c
View File

@@ -128,6 +128,7 @@ void SDL_MixAudio (Uint8 *dst, const Uint8 *src, Uint32 len, int volume)
break;
case AUDIO_S8: {
#if defined(SDL_BUGGY_MMX_MIXERS) /* buggy, so we're disabling them. --ryan. */
#if defined(__GNUC__) && defined(__i386__) && defined(SDL_ASSEMBLY_ROUTINES)
if (SDL_HasMMX())
{
@@ -141,6 +142,8 @@ void SDL_MixAudio (Uint8 *dst, const Uint8 *src, Uint32 len, int volume)
}
else
#endif
#endif
#if defined(__GNUC__) && defined(__M68000__) && defined(SDL_ASSEMBLY_ROUTINES)
SDL_MixAudio_m68k_S8((char*)dst,(char*)src,(unsigned long)len,(long)volume);
#else
@@ -174,6 +177,7 @@ void SDL_MixAudio (Uint8 *dst, const Uint8 *src, Uint32 len, int volume)
break;
case AUDIO_S16LSB: {
#if defined(SDL_BUGGY_MMX_MIXERS) /* buggy, so we're disabling them. --ryan. */
#if defined(__GNUC__) && defined(__i386__) && defined(SDL_ASSEMBLY_ROUTINES)
if (SDL_HasMMX())
{
@@ -187,6 +191,8 @@ void SDL_MixAudio (Uint8 *dst, const Uint8 *src, Uint32 len, int volume)
}
else
#endif
#endif
#if defined(__GNUC__) && defined(__M68000__) && defined(SDL_ASSEMBLY_ROUTINES)
SDL_MixAudio_m68k_S16LSB((short*)dst,(short*)src,(unsigned long)len,(long)volume);
#else

3
src/audio/SDL_mixer_MMX.c
View File

@@ -35,6 +35,7 @@
* Mixing for 16 bit signed buffers
***********************************************/
#if defined(SDL_BUGGY_MMX_MIXERS) /* buggy, so we're disabling them. --ryan. */
#if defined(__GNUC__) && defined(__i386__) && defined(SDL_ASSEMBLY_ROUTINES)
void SDL_MixAudio_MMX_S16(char* dst,char* src,unsigned int size,int volume)
{
@@ -203,4 +204,4 @@ void SDL_MixAudio_MMX_S8(char* dst,char* src,unsigned int size,int volume)
);
}
#endif
#endif

2
src/audio/SDL_mixer_MMX.h
View File

@@ -8,8 +8,10 @@
*/
#include "SDL_config.h"
#if defined(SDL_BUGGY_MMX_MIXERS) /* buggy, so we're disabling them. --ryan. */
#if defined(__GNUC__) && defined(__i386__) && defined(SDL_ASSEMBLY_ROUTINES)
void SDL_MixAudio_MMX_S16(char* ,char* ,unsigned int ,int );
void SDL_MixAudio_MMX_S8(char* ,char* ,unsigned int ,int );
#endif
#endif

2
src/audio/SDL_mixer_MMX_VC.c
View File

@@ -23,6 +23,7 @@
#include "SDL_mixer_MMX_VC.h"
#if defined(SDL_BUGGY_MMX_MIXERS) /* buggy, so we're disabling them. --ryan. */
#if ((defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)) && defined(SDL_ASSEMBLY_ROUTINES)
// MMX assembler version of SDL_MixAudio for signed little endian 16 bit samples and signed 8 bit samples
// Copyright 2002 Stephane Marchesin (stephane.marchesin@wanadoo.fr)
@@ -179,3 +180,4 @@ endS8:
}
#endif /* SDL_ASSEMBLY_ROUTINES */
#endif /* SDL_BUGGY_MMX_MIXERS */

2
src/audio/SDL_mixer_MMX_VC.h
View File

@@ -22,6 +22,7 @@
#include "SDL_config.h"
#if defined(SDL_BUGGY_MMX_MIXERS) /* buggy, so we're disabling them. --ryan. */
#if ((defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)) && defined(SDL_ASSEMBLY_ROUTINES)
/* headers for MMX assembler version of SDL_MixAudio
Copyright 2002 Stephane Marchesin (stephane.marchesin@wanadoo.fr)
@@ -34,3 +35,4 @@
void SDL_MixAudio_MMX_S16_VC(char* ,char* ,unsigned int ,int );
void SDL_MixAudio_MMX_S8_VC(char* ,char* ,unsigned int ,int );
#endif
#endif