/// <summary>
/// Processes a command buffer.
/// </summary>
/// <param name="baseGpuVa">Base GPU virtual address of the command buffer</param>
/// <param name="commandBuffer">Command buffer</param>
public void Process(ulong baseGpuVa, ReadOnlySpan <int> commandBuffer)
{
for (int index = 0; index < commandBuffer.Length; index++)
{
int command = commandBuffer[index];
ulong gpuVa = baseGpuVa + (ulong)index * 4;
if (_state.MethodCount != 0)
{
if (TryFastI2mBufferUpdate(commandBuffer, ref index))
{
continue;
}
Send(gpuVa, _state.Method, command, _state.SubChannel, _state.MethodCount <= 1);
if (!_state.NonIncrementing)
{
_state.Method++;
}
if (_state.IncrementOnce)
{
_state.NonIncrementing = true;
}
_state.MethodCount--;
}
else
{
CompressedMethod meth = Unsafe.As <int, CompressedMethod>(ref command);
if (TryFastUniformBufferUpdate(meth, commandBuffer, index))
{
index += meth.MethodCount;
continue;
}
switch (meth.SecOp)
{
case SecOp.IncMethod:
case SecOp.NonIncMethod:
case SecOp.OneInc:
_state.Method = meth.MethodAddress;
_state.SubChannel = meth.MethodSubchannel;
_state.MethodCount = meth.MethodCount;
_state.IncrementOnce = meth.SecOp == SecOp.OneInc;
_state.NonIncrementing = meth.SecOp == SecOp.NonIncMethod;
break;
case SecOp.ImmdDataMethod:
Send(gpuVa, meth.MethodAddress, meth.ImmdData, meth.MethodSubchannel, true);
break;
}
}
}
_3dClass.FlushUboDirty();
}
/// <summary>
/// Processes a command buffer.
/// </summary>
/// <param name="commandBuffer">Command buffer</param>
public void Process(ReadOnlySpan <int> commandBuffer)
{
for (int index = 0; index < commandBuffer.Length; index++)
{
int command = commandBuffer[index];
if (_state.MethodCount != 0)
{
Send(new MethodParams(_state.Method, command, _state.SubChannel, _state.MethodCount));
if (!_state.NonIncrementing)
{
_state.Method++;
}
if (_state.IncrementOnce)
{
_state.NonIncrementing = true;
}
_state.MethodCount--;
}
else
{
CompressedMethod meth = Unsafe.As <int, CompressedMethod>(ref command);
if (TryFastUniformBufferUpdate(meth, commandBuffer, index))
{
index += meth.MethodCount;
continue;
}
switch (meth.SecOp)
{
case SecOp.IncMethod:
case SecOp.NonIncMethod:
case SecOp.OneInc:
_state.Method = meth.MethodAddress;
_state.SubChannel = meth.MethodSubchannel;
_state.MethodCount = meth.MethodCount;
_state.IncrementOnce = meth.SecOp == SecOp.OneInc;
_state.NonIncrementing = meth.SecOp == SecOp.NonIncMethod;
break;
case SecOp.ImmdDataMethod:
Send(new MethodParams(meth.MethodAddress, meth.ImmdData, meth.MethodSubchannel, 1));
break;
}
}
}
_context.Methods.FlushUboDirty(MemoryManager);
}
private bool TryFastUniformBufferUpdate(CompressedMethod meth, ReadOnlySpan <int> commandBuffer, int offset)
{
int availableCount = commandBuffer.Length - offset;
if (meth.MethodAddress == UniformBufferUpdateDataMethodOffset &&
meth.MethodCount < availableCount &&
meth.SecOp == SecOp.NonIncMethod)
{
_3dClass.ConstantBufferUpdate(commandBuffer.Slice(offset + 1, meth.MethodCount));
return(true);
}
return(false);
}
/// <summary>
/// Tries to perform a fast constant buffer data update.
/// If successful, all data will be copied at once, and <see cref="CompressedMethod.MethodCount"/> + 1
/// command buffer entries will be consumed.
/// </summary>
/// <param name="meth">Compressed method to be checked</param>
/// <param name="commandBuffer">Command buffer where <paramref name="meth"/> is contained</param>
/// <param name="offset">Offset at <paramref name="commandBuffer"/> where <paramref name="meth"/> is located</param>
/// <returns>True if the fast copy was successful, false otherwise</returns>
private bool TryFastUniformBufferUpdate(CompressedMethod meth, ReadOnlySpan <int> commandBuffer, int offset)
{
int availableCount = commandBuffer.Length - offset;
if (meth.MethodCount < availableCount &&
meth.SecOp == SecOp.NonIncMethod &&
meth.MethodAddress == (int)MethodOffset.UniformBufferUpdateData)
{
GpuState state = _subChannels[meth.MethodSubchannel];
_context.Methods.UniformBufferUpdate(state, commandBuffer.Slice(offset + 1, meth.MethodCount));
return(true);
}
return(false);
}
