diff options
Diffstat (limited to 'Alc/fpu_modes.h')
| -rw-r--r-- | Alc/fpu_modes.h | 44 |
1 files changed, 14 insertions, 30 deletions
diff --git a/Alc/fpu_modes.h b/Alc/fpu_modes.h index e8858ad9..1afd6618 100644 --- a/Alc/fpu_modes.h +++ b/Alc/fpu_modes.h @@ -1,41 +1,25 @@ #ifndef FPU_MODES_H #define FPU_MODES_H -#ifdef HAVE_FENV_H -#include <fenv.h> -#endif - -#ifdef __cplusplus -extern "C" { -#endif - -typedef struct FPUCtl { +class FPUCtl { #if defined(__GNUC__) && defined(HAVE_SSE) - unsigned int sse_state; + unsigned int sse_state{}; #elif defined(HAVE___CONTROL87_2) - unsigned int state; - unsigned int sse_state; + unsigned int state{}; + unsigned int sse_state{}; #elif defined(HAVE__CONTROLFP) - unsigned int state; + unsigned int state{}; #endif -} FPUCtl; -void SetMixerFPUMode(FPUCtl *ctl); -void RestoreFPUMode(const FPUCtl *ctl); + bool in_mode{}; -#ifdef __GNUC__ -/* Use an alternate macro set with GCC to avoid accidental continue or break - * statements within the mixer mode. - */ -#define START_MIXER_MODE() __extension__({ FPUCtl _oldMode; SetMixerFPUMode(&_oldMode) -#define END_MIXER_MODE() RestoreFPUMode(&_oldMode); }) -#else -#define START_MIXER_MODE() do { FPUCtl _oldMode; SetMixerFPUMode(&_oldMode) -#define END_MIXER_MODE() RestoreFPUMode(&_oldMode); } while(0) -#endif -#define LEAVE_MIXER_MODE() RestoreFPUMode(&_oldMode) +public: + FPUCtl() noexcept; + ~FPUCtl() { leave(); } -#ifdef __cplusplus -} // extern "C" -#endif + FPUCtl(const FPUCtl&) = delete; + FPUCtl& operator=(const FPUCtl&) = delete; + + void leave() noexcept; +}; #endif /* FPU_MODES_H */ |