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comparison src/audio/SDL_mixer.c @ 574:64fe373be3dc

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Cth converted the MMX audio mixing routines to VC++ syntax
author Sam Lantinga <slouken@libsdl.org>
date Mon, 20 Jan 2003 16:01:20 +0000
parents a9e38f3b8e4d
children 873c2598f969
comparison
equal deleted inserted replaced
573:6c3fa3b5e397 574:64fe373be3dc
34 #include "SDL_audio.h" 34 #include "SDL_audio.h"
35 #include "SDL_mutex.h" 35 #include "SDL_mutex.h"
36 #include "SDL_timer.h" 36 #include "SDL_timer.h"
37 #include "SDL_sysaudio.h" 37 #include "SDL_sysaudio.h"
38 #include "SDL_mixer_MMX.h" 38 #include "SDL_mixer_MMX.h"
39 #include "SDL_mixer_MMX_VC.h"
39 40
40 /* Function to check the CPU flags */ 41 /* Function to check the CPU flags */
41 #define MMX_CPU 0x800000 42 #define MMX_CPU 0x800000
42 #ifdef USE_ASMBLIT 43 #ifdef USE_ASMBLIT
43 #define CPU_Flags() Hermes_X86_CPU() 44 #define CPU_Flags() Hermes_X86_CPU()
145 } 146 }
146 } 147 }
147 break; 148 break;
148 149
149 case AUDIO_S8: { 150 case AUDIO_S8: {
150
151 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT) 151 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT)
152 if (CPU_Flags() & MMX_CPU) 152 if (CPU_Flags() & MMX_CPU)
153 { 153 {
154 SDL_MixAudio_MMX_S8((char*)dst,(char*)src,(unsigned int)len,(int)volume); 154 SDL_MixAudio_MMX_S8((char*)dst,(char*)src,(unsigned int)len,(int)volume);
155 }
156 else
157 #endif
158 #if defined(USE_ASM_MIXER_VC)
159 if (SDL_IsMMX_VC())
160 {
161 SDL_MixAudio_MMX_S8_VC((char*)dst,(char*)src,(unsigned int)len,(int)volume);
155 } 162 }
156 else 163 else
157 #endif 164 #endif
158 { 165 {
159 Sint8 *dst8, *src8; 166 Sint8 *dst8, *src8;
186 case AUDIO_S16LSB: { 193 case AUDIO_S16LSB: {
187 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT) 194 #if defined(i386) && defined(__GNUC__) && defined(USE_ASMBLIT)
188 if (CPU_Flags() & MMX_CPU) 195 if (CPU_Flags() & MMX_CPU)
189 { 196 {
190 SDL_MixAudio_MMX_S16((char*)dst,(char*)src,(unsigned int)len,(int)volume); 197 SDL_MixAudio_MMX_S16((char*)dst,(char*)src,(unsigned int)len,(int)volume);
198 }
199 else
200 #elif defined(USE_ASM_MIXER_VC)
201 if (SDL_IsMMX_VC())
202 {
203 SDL_MixAudio_MMX_S16_VC((char*)dst,(char*)src,(unsigned int)len,(int)volume);
191 } 204 }
192 else 205 else
193 #endif 206 #endif
194 { 207 {
195 Sint16 src1, src2; 208 Sint16 src1, src2;
249 default: /* If this happens... FIXME! */ 262 default: /* If this happens... FIXME! */
250 SDL_SetError("SDL_MixAudio(): unknown audio format"); 263 SDL_SetError("SDL_MixAudio(): unknown audio format");
251 return; 264 return;
252 } 265 }
253 } 266 }
267