/// <summary>
/// Performs a GPU method call.
/// </summary>
/// <param name="state">Current GPU state</param>
/// <param name="shadowState">Shadow GPU state</param>
/// <param name="value">Call argument</param>
private void Send(GpuState state, GpuState shadowState, int value)
{
// TODO: Figure out what TrackWithFilter does, compared to Track.
if (_shadowCtrl == ShadowRamControl.Track ||
_shadowCtrl == ShadowRamControl.TrackWithFilter)
{
shadowState.Write(_methAddr, value);
}
else if (_shadowCtrl == ShadowRamControl.Replay)
{
value = shadowState.Read(_methAddr);
}
MethodParams meth = new MethodParams(_methAddr, value);
state.CallMethod(meth);
_methAddr += _methIncr;
}
/// <summary>
/// Reads data from a GPU register.
/// </summary>
/// <param name="state">Current GPU state</param>
/// <param name="reg">Register offset to read</param>
/// <returns>GPU register value</returns>
private int Read(GpuState state, int reg)
{
return(state.Read(reg));
}
/// <summary>
/// Reads data from a GPU register.
/// </summary>
/// <param name="state">Current GPU state</param>
/// <param name="reg">Register offset to read</param>
/// <returns>GPU register value</returns>
public static int Read(GpuState state, int reg)
{
return(state.Read(reg));
}