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Fix MME shadow RAM implementation (#1051)

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gdkchan 2020-04-25 10:56:56 -03:00 • committed by GitHub
parent 1c9aba6de1
commit 9261ec6bc8
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3 changed files with 50 additions and 59 deletions
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34
Ryujinx.Graphics.Gpu/MacroInterpreter.cs
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@ -82,8 +82,7 @@ namespace Ryujinx.Graphics.Gpu
/// <param name="param">Optional argument passed to the program, 0 if not used</param>
/// <param name="shadowCtrl">Shadow RAM control register value</param>
/// <param name="state">Current GPU state</param>
/// <param name="shadowState">Shadow GPU state</param>
public void Execute(int[] mme, int position, int param, ShadowRamControl shadowCtrl, GpuState state, GpuState shadowState)
public void Execute(int[] mme, int position, int param, ShadowRamControl shadowCtrl, GpuState state)
{
Reset();
@ -95,11 +94,11 @@ namespace Ryujinx.Graphics.Gpu
FetchOpCode(mme);
while (Step(mme, state, shadowState));
while (Step(mme, state));
// Due to the delay slot, we still need to execute
// one more instruction before we actually exit.
Step(mme, state, shadowState);
Step(mme, state);
}
/// <summary>
@ -124,9 +123,8 @@ namespace Ryujinx.Graphics.Gpu
/// </summary>
/// <param name="mme">Program code to execute</param>
/// <param name="state">Current GPU state</param>
/// <param name="shadowState">Shadow GPU state</param>
/// <returns>True to continue execution, false if the program exited</returns>
private bool Step(int[] mme, GpuState state, GpuState shadowState)
private bool Step(int[] mme, GpuState state)
{
int baseAddr = _pc - 1;
@ -172,7 +170,7 @@ namespace Ryujinx.Graphics.Gpu
{
SetDstGpr(FetchParam());
Send(state, shadowState, result);
Send(state, result);
break;
}
@ -182,7 +180,7 @@ namespace Ryujinx.Graphics.Gpu
{
SetDstGpr(result);
Send(state, shadowState, result);
Send(state, result);
break;
}
@ -204,7 +202,7 @@ namespace Ryujinx.Graphics.Gpu
SetMethAddr(result);
Send(state, shadowState, FetchParam());
Send(state, FetchParam());
break;
}
@ -216,7 +214,7 @@ namespace Ryujinx.Graphics.Gpu
SetMethAddr(result);
Send(state, shadowState,(result >> 12) & 0x3f);
Send(state, (result >> 12) & 0x3f);
break;
}
@ -489,24 +487,12 @@ namespace Ryujinx.Graphics.Gpu
/// 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)
private void Send(GpuState state, 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);
state.CallMethod(meth, _shadowCtrl);
_methAddr += _methIncr;
}