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Cxbx-Reloaded
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Change locking APIs to nops 

to prevent interference DirectSoundBuffer streaming.
This commit is contained in:
Anthony 2022-03-02 21:19:01 +13:00
parent 60dbf241e8
commit 7528d9a4e3
1 changed files with 21 additions and 80 deletions
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95
src/core/hle/DSOUND/DirectSound/DirectSoundBuffer.cpp
View File

@ -437,55 +437,26 @@ xbox::hresult_xt WINAPI xbox::EMUPATCH(IDirectSoundBuffer_Lock)
LOG_FUNC_END;
EmuDirectSoundBuffer* pThis = pHybridThis->emuDSBuffer;
HRESULT hRet = D3D_OK;
DWORD pcmSize = DSoundBufferGetPCMBufferSize(pThis->EmuFlags, dwBytes);
DWORD pcmOffset = DSoundBufferGetPCMBufferSize(pThis->EmuFlags, dwOffset);
DSoundGenericUnlock(pThis->EmuFlags,
pThis->EmuDirectSoundBuffer8,
pThis->EmuBufferDesc,
pThis->Host_lock,
pThis->X_BufferCache,
pThis->X_lock.dwLockOffset,
pThis->X_lock.dwLockBytes1,
pThis->X_lock.dwLockBytes2);
// Xbox directsound doesn't require locking buffers
// This Xbox api only exists to match PC
if (ppvAudioPtr2 == xbox::zeroptr) {
hRet = pThis->EmuDirectSoundBuffer8->Lock(pcmOffset, pcmSize, &pThis->Host_lock.pLockPtr1, &pThis->Host_lock.dwLockBytes1,
nullptr, 0, dwFlags);
pThis->Host_lock.pLockPtr2 = nullptr;
} else {
hRet = pThis->EmuDirectSoundBuffer8->Lock(pcmOffset, pcmSize, &pThis->Host_lock.pLockPtr1, &pThis->Host_lock.dwLockBytes1,
&pThis->Host_lock.pLockPtr2, &pThis->Host_lock.dwLockBytes2, dwFlags);
}
if (hRet != DS_OK) {
CxbxrKrnlAbort("IDirectSoundBuffer_Lock Failed!");
}
// Host lock position
pThis->Host_lock.dwLockOffset = pcmOffset;
pThis->Host_lock.dwLockFlags = dwFlags;
pThis->X_lock.dwLockFlags = dwFlags;
// Emulate to xbox's lock position
pThis->X_lock.dwLockOffset = dwOffset;
*ppvAudioPtr1 = pThis->X_lock.pLockPtr1 = ((LPBYTE)pThis->X_BufferCache + dwOffset);
*pdwAudioBytes1 = pThis->X_lock.dwLockBytes1 = DSoundBufferGetXboxBufferSize(pThis->EmuFlags, pThis->Host_lock.dwLockBytes1);
if (pThis->Host_lock.pLockPtr2 != nullptr) {
*ppvAudioPtr2 = pThis->X_lock.pLockPtr2 = pThis->X_BufferCache;
*pdwAudioBytes2 = pThis->X_lock.dwLockBytes2 = DSoundBufferGetXboxBufferSize(pThis->EmuFlags, pThis->Host_lock.dwLockBytes2);
} else {
// If secondary pointers are not used, then set them as zero.
// There are applications bug didn't check for audio pointer that is null pointer which should not use invalid audio bytes.
// Since internal functions do set them zero. We'll set them here as well.
if (ppvAudioPtr2 != xbox::zeroptr) {
*ppvAudioPtr2 = xbox::zeroptr;
}
if (pdwAudioBytes2 != xbox::zeroptr) {
if (dwOffset + dwBytes <= pThis->X_BufferCacheSize) {
*pdwAudioBytes1 = dwBytes;
*ppvAudioPtr1 = (PBYTE)pThis->X_BufferCache + dwOffset;
if (ppvAudioPtr2 != nullptr) {
*ppvAudioPtr2 = nullptr;
*pdwAudioBytes2 = 0;
}
}
else {
*pdwAudioBytes1 = pThis->X_BufferCacheSize - dwOffset;
*ppvAudioPtr1 = (PBYTE)pThis->X_BufferCache + dwOffset;
if (ppvAudioPtr2 != nullptr) {
*pdwAudioBytes2 = dwBytes - *pdwAudioBytes1;
*ppvAudioPtr2 = (PBYTE)pThis->X_BufferCache;
}
}
LOG_FUNC_BEGIN_ARG_RESULT
LOG_FUNC_ARG_RESULT(ppvAudioPtr1)
@ -494,7 +465,7 @@ xbox::hresult_xt WINAPI xbox::EMUPATCH(IDirectSoundBuffer_Lock)
LOG_FUNC_ARG_RESULT(pdwAudioBytes2)
LOG_FUNC_END_ARG_RESULT;
RETURN_RESULT_CHECK(hRet);
RETURN(DS_OK);
}
// ******************************************************************
@ -509,38 +480,8 @@ xbox::hresult_xt WINAPI xbox::EMUPATCH(IDirectSoundBuffer_Unlock)
dword_xt pdwAudioBytes2
)
{
DSoundMutexGuardLock;
LOG_FUNC_BEGIN
LOG_FUNC_ARG(pHybridThis)
LOG_FUNC_ARG(ppvAudioPtr1)
LOG_FUNC_ARG(pdwAudioBytes1)
LOG_FUNC_ARG(ppvAudioPtr2)
LOG_FUNC_ARG(pdwAudioBytes2)
LOG_FUNC_END;
EmuDirectSoundBuffer* pThis = pHybridThis->emuDSBuffer;
// TODO: Find out why pThis->EmuLockPtr1 is nullptr... (workaround atm is to check if it is not a nullptr.)
if (pThis->X_BufferCache != xbox::zeroptr && pThis->Host_lock.pLockPtr1 != nullptr) {
memcpy_s((PBYTE)pThis->X_BufferCache + pThis->X_lock.dwLockOffset,
pThis->X_BufferCacheSize - pThis->X_lock.dwLockOffset,
pThis->X_lock.pLockPtr1,
pThis->X_lock.dwLockBytes1);
if (pThis->Host_lock.pLockPtr2 != nullptr) {
memcpy_s(pThis->X_BufferCache, pThis->X_BufferCacheSize, pThis->X_lock.pLockPtr2, pThis->X_lock.dwLockBytes2);
}
}
DSoundGenericUnlock(pThis->EmuFlags,
pThis->EmuDirectSoundBuffer8,
pThis->EmuBufferDesc,
pThis->Host_lock,
pThis->X_BufferCache,
pThis->X_lock.dwLockOffset,
pThis->X_lock.dwLockBytes1,
pThis->X_lock.dwLockBytes2);
// Xbox directsound doesn't require locking buffers
// This Xbox api only exists to match PC
return DS_OK;
}