/// <summary>
/// Sends a uncompressed method for processing by the graphics pipeline.
/// </summary>
/// <param name="meth">Method to be processed</param>
private void Send(MethodParams meth)
{
if ((MethodOffset)meth.Method == MethodOffset.BindChannel)
{
_subChannels[meth.SubChannel] = new GpuState();
_context.Methods.RegisterCallbacks(_subChannels[meth.SubChannel]);
}
else if (meth.Method < 0x60)
{
// TODO: check if macros are shared between subchannels or not. For now let's assume they are.
_fifoClass.Write(meth.Method * 4, meth.Argument);
}
else if (meth.Method < 0xe00)
{
_subChannels[meth.SubChannel].CallMethod(meth, _fifoClass.ShadowCtrl);
}
else
{
int macroIndex = (meth.Method >> 1) & MacroIndexMask;
if ((meth.Method & 1) != 0)
{
_fifoClass.MmePushArgument(macroIndex, meth.Argument);
}
else
{
_fifoClass.MmeStart(macroIndex, meth.Argument);
}
if (meth.IsLastCall)
{
_fifoClass.CallMme(macroIndex, _subChannels[meth.SubChannel]);
_context.Methods.PerformDeferredDraws();
}
}
}
/// <summary>
/// Sends a uncompressed method for processing by the graphics pipeline.
/// </summary>
/// <param name="gpuVa">GPU virtual address where the command word is located</param>
/// <param name="meth">Method to be processed</param>
private void Send(ulong gpuVa, int offset, int argument, int subChannel, bool isLastCall)
{
if (offset < 0x60)
{
_fifoClass.Write(offset * 4, argument);
}
else if (offset < 0xe00)
{
offset *= 4;
switch (subChannel)
{
case 0:
_3dClass.Write(offset, argument);
break;
case 1:
_computeClass.Write(offset, argument);
break;
case 2:
_i2mClass.Write(offset, argument);
break;
case 3:
_2dClass.Write(offset, argument);
break;
case 4:
_dmaClass.Write(offset, argument);
break;
}
}
else
{
IDeviceState state = subChannel switch
{
0 => _3dClass,
3 => _2dClass,
_ => null
};
if (state != null)
{
int macroIndex = (offset >> 1) & MacroIndexMask;
if ((offset & 1) != 0)
{
_fifoClass.MmePushArgument(macroIndex, gpuVa, argument);
}
else
{
_fifoClass.MmeStart(macroIndex, argument);
}
if (isLastCall)
{
_fifoClass.CallMme(macroIndex, state);
_3dClass.PerformDeferredDraws();
}
}
}
}