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fix applications using IDirectSoundBuffer_Lock incorrectly

This commit is contained in:
RadWolfie 2020-06-04 22:44:52 -05:00
parent ab6b4786bd
commit 503ce9b825
1 changed files with 10 additions and 2 deletions
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12
src/core/hle/DSOUND/DirectSound/DirectSoundBuffer.cpp
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@ -465,8 +465,16 @@ HRESULT WINAPI XTL::EMUPATCH(IDirectSoundBuffer_Lock)
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 (ppvAudioPtr2 != xbnullptr) {
*ppvAudioPtr2 = xbnullptr;
} 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 != xbnullptr) {
*ppvAudioPtr2 = xbnullptr;
}
if (pdwAudioBytes2 != xbnullptr) {
*pdwAudioBytes2 = 0;
}
}
RETURN_RESULT_CHECK(hRet);