From 657ee85136861c9da105a67050ae84a85ecfe808 Mon Sep 17 00:00:00 2001 From: Chris Robinson Date: Sun, 16 Sep 2012 01:35:16 -0700 Subject: Use a struct to store the FPU mode --- Alc/ALc.c | 10 +++++----- Alc/ALu.c | 6 +++--- Alc/helpers.c | 21 +++++++++------------ OpenAL32/Include/alMain.h | 7 +++++-- OpenAL32/alAuxEffectSlot.c | 8 ++++---- OpenAL32/alState.c | 6 +++--- 6 files changed, 29 insertions(+), 29 deletions(-) diff --git a/Alc/ALc.c b/Alc/ALc.c index 556bf111..7b18481c 100644 --- a/Alc/ALc.c +++ b/Alc/ALc.c @@ -1399,7 +1399,7 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList) enum DevFmtChannels oldChans; enum DevFmtType oldType; ALCuint oldFreq; - int oldMode; + FPUCtl oldMode; ALuint i; // Check for attributes @@ -1630,7 +1630,7 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList) WARN("SSE performs best with multiple of 4 update sizes (%u)\n", device->UpdateSize); } - oldMode = SetMixerFPUMode(); + SetMixerFPUMode(&oldMode); ALCdevice_Lock(device); context = device->ContextList; while(context) @@ -1647,7 +1647,7 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList) { UnlockUIntMapRead(&context->EffectSlotMap); ALCdevice_Unlock(device); - RestoreFPUMode(oldMode); + RestoreFPUMode(&oldMode); return ALC_INVALID_DEVICE; } slot->NeedsUpdate = AL_FALSE; @@ -1683,14 +1683,14 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList) if(ALeffectState_DeviceUpdate(slot->EffectState, device) == AL_FALSE) { ALCdevice_Unlock(device); - RestoreFPUMode(oldMode); + RestoreFPUMode(&oldMode); return ALC_INVALID_DEVICE; } slot->NeedsUpdate = AL_FALSE; ALeffectState_Update(slot->EffectState, device, slot); } ALCdevice_Unlock(device); - RestoreFPUMode(oldMode); + RestoreFPUMode(&oldMode); if(ALCdevice_StartPlayback(device) == ALC_FALSE) return ALC_INVALID_DEVICE; diff --git a/Alc/ALu.c b/Alc/ALu.c index b94216ff..3033e7ce 100644 --- a/Alc/ALu.c +++ b/Alc/ALu.c @@ -905,10 +905,10 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size) ALeffectslot **slot, **slot_end; ALsource **src, **src_end; ALCcontext *ctx; - int fpuState; + FPUCtl oldMode; ALuint i, c; - fpuState = SetMixerFPUMode(); + SetMixerFPUMode(&oldMode); while(size > 0) { @@ -1082,7 +1082,7 @@ ALvoid aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size) size -= SamplesToDo; } - RestoreFPUMode(fpuState); + RestoreFPUMode(&oldMode); } diff --git a/Alc/helpers.c b/Alc/helpers.c index 9529acec..5acf2be2 100644 --- a/Alc/helpers.c +++ b/Alc/helpers.c @@ -173,41 +173,38 @@ void al_free(void *ptr) } -int SetMixerFPUMode(void) +void SetMixerFPUMode(FPUCtl *ctl) { #if defined(_FPU_GETCW) && defined(_FPU_SETCW) && (defined(__i386__) || defined(__x86_64__)) fpu_control_t fpuState, newState; _FPU_GETCW(fpuState); + ctl->state = fpuState; newState = fpuState&~(_FPU_EXTENDED|_FPU_DOUBLE|_FPU_SINGLE | _FPU_RC_NEAREST|_FPU_RC_DOWN|_FPU_RC_UP|_FPU_RC_ZERO); newState |= _FPU_SINGLE | _FPU_RC_ZERO; if((CPUCapFlags&CPU_CAP_SSE)) newState |= 0x8000; /* flush-to-zero */ _FPU_SETCW(newState); -#else - int fpuState; -#if defined(HAVE__CONTROLFP) - fpuState = _controlfp(0, 0); +#elif defined(HAVE__CONTROLFP) + ctl->state = _controlfp(0, 0); (void)_controlfp(_RC_CHOP|_DN_FLUSH|_PC_24, _MCW_RC|_MCW_DN|_MCW_PC); #elif defined(HAVE_FESETROUND) - fpuState = fegetround(); + ctl->state = fegetround(); #ifdef FE_TOWARDZERO fesetround(FE_TOWARDZERO); #endif #endif -#endif - return fpuState; } -void RestoreFPUMode(int state) +void RestoreFPUMode(const FPUCtl *ctl) { #if defined(_FPU_GETCW) && defined(_FPU_SETCW) && (defined(__i386__) || defined(__x86_64__)) - fpu_control_t fpuState = state; + fpu_control_t fpuState = ctl->state; _FPU_SETCW(fpuState); #elif defined(HAVE__CONTROLFP) - _controlfp(state, _MCW_RC|_MCW_DN|_MCW_PC); + _controlfp(ctl->state, _MCW_RC|_MCW_DN|_MCW_PC); #elif defined(HAVE_FESETROUND) - fesetround(state); + fesetround(ctl->state); #endif } diff --git a/OpenAL32/Include/alMain.h b/OpenAL32/Include/alMain.h index af71a615..fd372326 100644 --- a/OpenAL32/Include/alMain.h +++ b/OpenAL32/Include/alMain.h @@ -778,8 +778,11 @@ void *al_malloc(size_t alignment, size_t size); void *al_calloc(size_t alignment, size_t size); void al_free(void *ptr); -int SetMixerFPUMode(void); -void RestoreFPUMode(int state); +typedef struct { + int state; +} FPUCtl; +void SetMixerFPUMode(FPUCtl *ctl); +void RestoreFPUMode(const FPUCtl *ctl); ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr); ALuint StopThread(ALvoid *thread); diff --git a/OpenAL32/alAuxEffectSlot.c b/OpenAL32/alAuxEffectSlot.c index 048248aa..e3a626a1 100644 --- a/OpenAL32/alAuxEffectSlot.c +++ b/OpenAL32/alAuxEffectSlot.c @@ -528,12 +528,12 @@ ALenum InitializeEffect(ALCdevice *Device, ALeffectslot *EffectSlot, ALeffect *e if(State) { - int oldMode; - oldMode = SetMixerFPUMode(); + FPUCtl oldMode; + SetMixerFPUMode(&oldMode); if(ALeffectState_DeviceUpdate(State, Device) == AL_FALSE) { - RestoreFPUMode(oldMode); + RestoreFPUMode(&oldMode); ALCdevice_Unlock(Device); ALeffectState_Destroy(State); return AL_OUT_OF_MEMORY; @@ -551,7 +551,7 @@ ALenum InitializeEffect(ALCdevice *Device, ALeffectslot *EffectSlot, ALeffect *e ALeffectState_Update(EffectSlot->EffectState, Device, EffectSlot); ALCdevice_Unlock(Device); - RestoreFPUMode(oldMode); + RestoreFPUMode(&oldMode); ALeffectState_Destroy(State); State = NULL; diff --git a/OpenAL32/alState.c b/OpenAL32/alState.c index 359885c5..678e9e94 100644 --- a/OpenAL32/alState.c +++ b/OpenAL32/alState.c @@ -597,9 +597,9 @@ AL_API ALvoid AL_APIENTRY alDeferUpdatesSOFT(void) ALboolean UpdateSources; ALsource **src, **src_end; ALeffectslot **slot, **slot_end; - int fpuState; + FPUCtl oldMode; - fpuState = SetMixerFPUMode(); + SetMixerFPUMode(&oldMode); LockContext(Context); Context->DeferUpdates = AL_TRUE; @@ -634,7 +634,7 @@ AL_API ALvoid AL_APIENTRY alDeferUpdatesSOFT(void) } UnlockContext(Context); - RestoreFPUMode(fpuState); + RestoreFPUMode(&oldMode); } ALCcontext_DecRef(Context); -- cgit v1.2.3