// This is expected to be called no more than once per frame
public void SendUpdates()
{
if (m_UpdateRangesEnqueued == 0)
{
return;
}
if (m_UpdateRangesSaturated)
{
uint updateSize = m_UpdateRangeMax - m_UpdateRangeMin;
m_UpdateRangesEnqueued = 1;
updateRanges[(int)m_UpdateRangesBatchStart] = new GfxUpdateBufferRange()
{
source = new UIntPtr(cpuData.Slice((int)m_UpdateRangeMin, (int)updateSize).GetUnsafeReadOnlyPtr()),
offsetFromWriteStart = m_UpdateRangeMin * m_ElemStride,
size = updateSize * m_ElemStride
};
}
// Send to the GPU, if the minimum affected byte address is not zero, we need to adjust the range entries
// to factor out that offset as the 'offsetFromWriteStart' member is refering to the buffer lock position
// not the start of the GPU buffer
uint minByte = m_UpdateRangeMin * m_ElemStride;
uint maxByte = m_UpdateRangeMax * m_ElemStride;
if (minByte > 0)
{
for (uint i = 0; i < m_UpdateRangesEnqueued; i++)
{
int index = (int)(i + m_UpdateRangesBatchStart);
updateRanges[index] = new GfxUpdateBufferRange()
{
source = updateRanges[index].source,
offsetFromWriteStart = updateRanges[index].offsetFromWriteStart - minByte,
size = updateRanges[index].size
};
}
}
gpuData?.UpdateRanges(updateRanges.Slice((int)m_UpdateRangesBatchStart, (int)m_UpdateRangesEnqueued), (int)minByte, (int)maxByte);
// Reset state for upcoming updates
m_UpdateRangeMin = uint.MaxValue;
m_UpdateRangeMax = 0;
m_UpdateRangesEnqueued = 0;
m_UpdateRangesBatchStart = (m_UpdateRangesBatchStart + m_UpdateRangePoolSize);
if (m_UpdateRangesBatchStart >= updateRanges.Length)
{
m_UpdateRangesBatchStart = 0;
}
m_UpdateRangesSaturated = false;
}
public void SendFullRange()
{
uint fullRangeBytes = (uint)(cpuData.Length * m_ElemStride);
updateRanges[(int)m_UpdateRangesBatchStart] = new GfxUpdateBufferRange()
{
source = new UIntPtr(cpuData.GetUnsafeReadOnlyPtr()),
offsetFromWriteStart = 0,
size = fullRangeBytes
};
gpuData?.UpdateRanges(updateRanges.Slice((int)m_UpdateRangesBatchStart, 1), (int)0, (int)fullRangeBytes);
ResetUpdateState();
}
public void RegisterUpdate(uint start, uint size)
{
Debug.Assert((ulong)(start + size) <= (ulong)((long)this.cpuData.Length));
int num = (int)(this.m_UpdateRangesBatchStart + this.m_UpdateRangesEnqueued);
bool flag = this.m_UpdateRangesEnqueued > 0u;
if (flag)
{
int index = num - 1;
GfxUpdateBufferRange gfxUpdateBufferRange = this.updateRanges[index];
uint num2 = start * this.m_ElemStride;
bool flag2 = gfxUpdateBufferRange.offsetFromWriteStart + gfxUpdateBufferRange.size == num2;
if (flag2)
{
this.updateRanges[index] = new GfxUpdateBufferRange
{
source = gfxUpdateBufferRange.source,
offsetFromWriteStart = gfxUpdateBufferRange.offsetFromWriteStart,
size = gfxUpdateBufferRange.size + size * this.m_ElemStride
};
this.m_UpdateRangeMax = Math.Max(this.m_UpdateRangeMax, start + size);
return;
}
}
this.m_UpdateRangeMin = Math.Min(this.m_UpdateRangeMin, start);
this.m_UpdateRangeMax = Math.Max(this.m_UpdateRangeMax, start + size);
bool flag3 = this.m_UpdateRangesEnqueued == this.m_UpdateRangePoolSize;
if (flag3)
{
this.m_UpdateRangesSaturated = true;
}
else
{
UIntPtr source = new UIntPtr(this.cpuData.Slice((int)start, (int)size).GetUnsafeReadOnlyPtr <T>());
this.updateRanges[num] = new GfxUpdateBufferRange
{
source = source,
offsetFromWriteStart = start * this.m_ElemStride,
size = size * this.m_ElemStride
};
this.m_UpdateRangesEnqueued += 1u;
}
}
public void RegisterUpdate(uint start, uint size)
{
Debug.Assert(start + size <= cpuData.Length);
int rangeIndex = (int)(m_UpdateRangesBatchStart + m_UpdateRangesEnqueued);
if (m_UpdateRangesEnqueued > 0)
{
// If this update chains with the previous one, just grow the previous one
int lastIndex = rangeIndex - 1;
var lastRange = updateRanges[lastIndex];
uint startBytes = start * m_ElemStride;
if (lastRange.offsetFromWriteStart + lastRange.size == startBytes)
{
updateRanges[lastIndex] = new GfxUpdateBufferRange()
{
source = lastRange.source, offsetFromWriteStart = lastRange.offsetFromWriteStart, size = lastRange.size + size * m_ElemStride
};
m_UpdateRangeMax = Math.Max(m_UpdateRangeMax, start + size);
return;
}
}
m_UpdateRangeMin = Math.Min(m_UpdateRangeMin, start);
m_UpdateRangeMax = Math.Max(m_UpdateRangeMax, start + size);
if (m_UpdateRangesEnqueued == m_UpdateRangePoolSize)
{
m_UpdateRangesSaturated = true;
return; // Reached the max for this frame, ignore any more notifications, and just upload the entire affected regions including any holes inbetween
}
var cpuDataSlice = new UIntPtr(cpuData.Slice((int)start, (int)size).GetUnsafeReadOnlyPtr());
updateRanges[rangeIndex] = new GfxUpdateBufferRange()
{
source = cpuDataSlice, offsetFromWriteStart = start * m_ElemStride, size = size * m_ElemStride
};
m_UpdateRangesEnqueued++;
}
