private uint Write(IVirtualMemoryManager memoryManager, ulong outBufferAddress, uint countMax, ReadOnlySpan <int> buffer, uint count, uint writeOffset, uint updateCount)
{
if (countMax == 0 || outBufferAddress == 0)
{
return(0);
}
uint targetWriteOffset = writeOffset + AuxiliaryBufferInfo.GetWriteOffset(memoryManager, BufferInfo.SendBufferInfo);
if (targetWriteOffset > countMax)
{
return(0);
}
uint remaining = count;
uint inBufferOffset = 0;
while (remaining != 0)
{
uint countToWrite = Math.Min(countMax - targetWriteOffset, remaining);
memoryManager.Write(outBufferAddress + targetWriteOffset * sizeof(int), MemoryMarshal.Cast <int, byte>(buffer.Slice((int)inBufferOffset, (int)countToWrite)));
targetWriteOffset = (targetWriteOffset + countToWrite) % countMax;
remaining -= countToWrite;
inBufferOffset += countToWrite;
}
if (updateCount != 0)
{
uint newWriteOffset = (AuxiliaryBufferInfo.GetWriteOffset(memoryManager, BufferInfo.SendBufferInfo) + updateCount) % countMax;
AuxiliaryBufferInfo.SetWriteOffset(memoryManager, BufferInfo.SendBufferInfo, newWriteOffset);
}
return(count);
}
private uint Write(IVirtualMemoryManager memoryManager, ulong outBufferAddress, uint countMax, ReadOnlySpan <int> buffer, uint count, uint writeOffset, uint updateCount)
{
if (countMax == 0 || outBufferAddress == 0)
{
return(0);
}
uint targetWriteOffset = writeOffset + AuxiliaryBufferInfo.GetWriteOffset(memoryManager, DspBufferInfoAddress);
if (targetWriteOffset > countMax)
{
return(0);
}
uint remaining = count;
uint inBufferOffset = 0;
while (remaining != 0)
{
uint countToWrite = Math.Min(countMax - targetWriteOffset, remaining);
memoryManager.Write(outBufferAddress + targetWriteOffset * sizeof(int), MemoryMarshal.Cast <int, byte>(buffer.Slice((int)inBufferOffset, (int)countToWrite)));
targetWriteOffset = (targetWriteOffset + countToWrite) % countMax;
remaining -= countToWrite;
inBufferOffset += countToWrite;
}
if (updateCount != 0)
{
uint dspTotalSampleCount = AuxiliaryBufferInfo.GetTotalSampleCount(memoryManager, DspBufferInfoAddress);
uint cpuTotalSampleCount = AuxiliaryBufferInfo.GetTotalSampleCount(memoryManager, CpuBufferInfoAddress);
uint totalSampleCountDiff = dspTotalSampleCount - cpuTotalSampleCount;
if (totalSampleCountDiff >= countMax)
{
uint dspLostSampleCount = AuxiliaryBufferInfo.GetLostSampleCount(memoryManager, DspBufferInfoAddress);
uint cpuLostSampleCount = AuxiliaryBufferInfo.GetLostSampleCount(memoryManager, CpuBufferInfoAddress);
uint lostSampleCountDiff = dspLostSampleCount - cpuLostSampleCount;
uint newLostSampleCount = lostSampleCountDiff + updateCount;
if (lostSampleCountDiff > newLostSampleCount)
{
newLostSampleCount = cpuLostSampleCount - 1;
}
AuxiliaryBufferInfo.SetLostSampleCount(memoryManager, DspBufferInfoAddress, newLostSampleCount);
}
uint newWriteOffset = (AuxiliaryBufferInfo.GetWriteOffset(memoryManager, DspBufferInfoAddress) + updateCount) % countMax;
AuxiliaryBufferInfo.SetWriteOffset(memoryManager, DspBufferInfoAddress, newWriteOffset);
uint newTotalSampleCount = totalSampleCountDiff + newWriteOffset;
AuxiliaryBufferInfo.SetTotalSampleCount(memoryManager, DspBufferInfoAddress, newTotalSampleCount);
}
return(count);
}
