diff options
author | Chris Robinson <[email protected]> | 2018-11-13 01:39:42 -0800 |
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committer | Chris Robinson <[email protected]> | 2018-11-13 01:39:42 -0800 |
commit | 09ea1d58f63ad3fe248b1e59c0a3634447ce672d (patch) | |
tree | 279fab7458858cec3371ca349aa35a503e1535d6 /Alc/backends/base.c | |
parent | 74d1337cc74c3fab3622188e55c9234257511ac3 (diff) |
Convert the backend base to C++
Diffstat (limited to 'Alc/backends/base.c')
-rw-r--r-- | Alc/backends/base.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/Alc/backends/base.c b/Alc/backends/base.c deleted file mode 100644 index 9d8614b1..00000000 --- a/Alc/backends/base.c +++ /dev/null @@ -1,84 +0,0 @@ - -#include "config.h" - -#include <stdlib.h> - -#include "alMain.h" -#include "alu.h" - -#include "backends/base.h" - - -extern inline ALuint64 GetDeviceClockTime(ALCdevice *device); -extern inline void ALCdevice_Lock(ALCdevice *device); -extern inline void ALCdevice_Unlock(ALCdevice *device); -extern inline ClockLatency GetClockLatency(ALCdevice *device); - -/* Base ALCbackend method implementations. */ -void ALCbackend_Construct(ALCbackend *self, ALCdevice *device) -{ - int ret = almtx_init(&self->mMutex, almtx_recursive); - assert(ret == althrd_success); - self->mDevice = device; -} - -void ALCbackend_Destruct(ALCbackend *self) -{ - almtx_destroy(&self->mMutex); -} - -ALCboolean ALCbackend_reset(ALCbackend* UNUSED(self)) -{ - return ALC_FALSE; -} - -ALCenum ALCbackend_captureSamples(ALCbackend* UNUSED(self), void* UNUSED(buffer), ALCuint UNUSED(samples)) -{ - return ALC_INVALID_DEVICE; -} - -ALCuint ALCbackend_availableSamples(ALCbackend* UNUSED(self)) -{ - return 0; -} - -ClockLatency ALCbackend_getClockLatency(ALCbackend *self) -{ - ALCdevice *device = self->mDevice; - ALuint refcount; - ClockLatency ret; - - do { - while(((refcount=ATOMIC_LOAD(&device->MixCount, almemory_order_acquire))&1)) - althrd_yield(); - ret.ClockTime = GetDeviceClockTime(device); - ATOMIC_THREAD_FENCE(almemory_order_acquire); - } while(refcount != ATOMIC_LOAD(&device->MixCount, almemory_order_relaxed)); - - /* NOTE: The device will generally have about all but one periods filled at - * any given time during playback. Without a more accurate measurement from - * the output, this is an okay approximation. - */ - ret.Latency = device->UpdateSize * DEVICE_CLOCK_RES / device->Frequency * - maxu(device->NumUpdates-1, 1); - - return ret; -} - -void ALCbackend_lock(ALCbackend *self) -{ - int ret = almtx_lock(&self->mMutex); - assert(ret == althrd_success); -} - -void ALCbackend_unlock(ALCbackend *self) -{ - int ret = almtx_unlock(&self->mMutex); - assert(ret == althrd_success); -} - - -/* Base ALCbackendFactory method implementations. */ -void ALCbackendFactory_deinit(ALCbackendFactory* UNUSED(self)) -{ -} |