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Improved GPU command lists decoding (#499)

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* Better implementation of the DMA pusher, misc fixes

* Remove some debug code

* Correct RGBX8 format

* Add support for linked Texture Sampler Control

* Attempt to fix upside down screen issue
This commit is contained in:
gdkchan 2018-11-17 02:01:31 -02:00 • committed by Ac_K
parent b833183ef6
commit d2bb458b51
25 changed files with 616 additions and 395 deletions
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190
Ryujinx.Graphics/DmaPusher.cs Normal file
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using Ryujinx.Graphics.Memory;
using System.Collections.Concurrent;
using System.Threading;
namespace Ryujinx.Graphics
{
public class DmaPusher
{
private ConcurrentQueue<(NvGpuVmm, long)> IbBuffer;
private long DmaPut;
private long DmaGet;
private struct DmaState
{
public int Method;
public int SubChannel;
public int MethodCount;
public bool NonIncrementing;
public bool IncrementOnce;
public int LengthPending;
}
private DmaState State;
private bool SliEnable;
private bool SliActive;
private bool IbEnable;
private bool NonMain;
private long DmaMGet;
private NvGpuVmm Vmm;
private NvGpu Gpu;
private AutoResetEvent Event;
public DmaPusher(NvGpu Gpu)
{
this.Gpu = Gpu;
IbBuffer = new ConcurrentQueue<(NvGpuVmm, long)>();
IbEnable = true;
Event = new AutoResetEvent(false);
}
public void Push(NvGpuVmm Vmm, long Entry)
{
IbBuffer.Enqueue((Vmm, Entry));
Event.Set();
}
public bool WaitForCommands()
{
return Event.WaitOne(8);
}
public void DispatchCalls()
{
while (Step());
}
private bool Step()
{
if (DmaGet != DmaPut)
{
int Word = Vmm.ReadInt32(DmaGet);
DmaGet += 4;
if (!NonMain)
{
DmaMGet = DmaGet;
}
if (State.LengthPending != 0)
{
State.LengthPending = 0;
State.MethodCount = Word & 0xffffff;
}
else if (State.MethodCount != 0)
{
if (!SliEnable || SliActive)
{
CallMethod(Word);
}
if (!State.NonIncrementing)
{
State.Method++;
}
if (State.IncrementOnce)
{
State.NonIncrementing = true;
}
State.MethodCount--;
}
else
{
int SumissionMode = (Word >> 29) & 7;
switch (SumissionMode)
{
case 1:
//Incrementing.
SetNonImmediateState(Word);
State.NonIncrementing = false;
State.IncrementOnce = false;
break;
case 3:
//Non-incrementing.
SetNonImmediateState(Word);
State.NonIncrementing = true;
State.IncrementOnce = false;
break;
case 4:
//Immediate.
State.Method = (Word >> 0) & 0x1fff;
State.SubChannel = (Word >> 13) & 7;
State.NonIncrementing = true;
State.IncrementOnce = false;
CallMethod((Word >> 16) & 0x1fff);
break;
case 5:
//Increment-once.
SetNonImmediateState(Word);
State.NonIncrementing = false;
State.IncrementOnce = true;
break;
}
}
}
else if (IbEnable && IbBuffer.TryDequeue(out (NvGpuVmm Vmm, long Entry) Tuple))
{
this.Vmm = Tuple.Vmm;
long Entry = Tuple.Entry;
int Length = (int)(Entry >> 42) & 0x1fffff;
DmaGet = Entry & 0xfffffffffc;
DmaPut = DmaGet + Length * 4;
NonMain = (Entry & (1L << 41)) != 0;
Gpu.ResourceManager.ClearPbCache();
}
else
{
return false;
}
return true;
}
private void SetNonImmediateState(int Word)
{
State.Method = (Word >> 0) & 0x1fff;
State.SubChannel = (Word >> 13) & 7;
State.MethodCount = (Word >> 16) & 0x1fff;
}
private void CallMethod(int Argument)
{
Gpu.Fifo.CallMethod(Vmm, new GpuMethodCall(
State.Method,
Argument,
State.SubChannel,
State.MethodCount));
}
}
}