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Partial GPU DMA support (#158)

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gdkchan 2018-06-13 10:55:01 -03:00 committed by GitHub
parent f1e866e248
commit 36827c2355
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 178 additions and 6 deletions
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2
Ryujinx.HLE/Gpu/NvGpu.cs
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@ -11,6 +11,7 @@ namespace Ryujinx.HLE.Gpu
public NvGpuEngine2d Engine2d { get; private set; }
public NvGpuEngine3d Engine3d { get; private set; }
public NvGpuEngineDma EngineDma { get; private set; }
private Thread FifoProcessing;
@ -24,6 +25,7 @@ namespace Ryujinx.HLE.Gpu
Engine2d = new NvGpuEngine2d(this);
Engine3d = new NvGpuEngine3d(this);
EngineDma = new NvGpuEngineDma(this);
KeepRunning = true;

142
Ryujinx.HLE/Gpu/NvGpuEngineDma.cs Normal file
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@ -0,0 +1,142 @@
using Ryujinx.Graphics.Gal;
using System.Collections.Generic;
namespace Ryujinx.HLE.Gpu
{
class NvGpuEngineDma : INvGpuEngine
{
public int[] Registers { get; private set; }
private NvGpu Gpu;
private Dictionary<int, NvGpuMethod> Methods;
public NvGpuEngineDma(NvGpu Gpu)
{
this.Gpu = Gpu;
Registers = new int[0x1d6];
Methods = new Dictionary<int, NvGpuMethod>();
void AddMethod(int Meth, int Count, int Stride, NvGpuMethod Method)
{
while (Count-- > 0)
{
Methods.Add(Meth, Method);
Meth += Stride;
}
}
AddMethod(0xc0, 1, 1, Execute);
}
public void CallMethod(NvGpuVmm Vmm, NvGpuPBEntry PBEntry)
{
if (Methods.TryGetValue(PBEntry.Method, out NvGpuMethod Method))
{
Method(Vmm, PBEntry);
}
else
{
WriteRegister(PBEntry);
}
}
private void Execute(NvGpuVmm Vmm, NvGpuPBEntry PBEntry)
{
int Control = PBEntry.Arguments[0];
bool SrcLinear = ((Control >> 7) & 1) != 0;
bool DstLinear = ((Control >> 8) & 1) != 0;
long SrcAddress = MakeInt64From2xInt32(NvGpuEngineDmaReg.SrcAddress);
long DstAddress = MakeInt64From2xInt32(NvGpuEngineDmaReg.DstAddress);
int SrcPitch = ReadRegister(NvGpuEngineDmaReg.SrcPitch);
int DstPitch = ReadRegister(NvGpuEngineDmaReg.DstPitch);
int DstBlkDim = ReadRegister(NvGpuEngineDmaReg.DstBlkDim);
int DstSizeX = ReadRegister(NvGpuEngineDmaReg.DstSizeX);
int DstSizeY = ReadRegister(NvGpuEngineDmaReg.DstSizeY);
int DstSizeZ = ReadRegister(NvGpuEngineDmaReg.DstSizeZ);
int DstPosXY = ReadRegister(NvGpuEngineDmaReg.DstPosXY);
int DstPosZ = ReadRegister(NvGpuEngineDmaReg.DstPosZ);
int SrcBlkDim = ReadRegister(NvGpuEngineDmaReg.SrcBlkDim);
int SrcSizeX = ReadRegister(NvGpuEngineDmaReg.SrcSizeX);
int SrcSizeY = ReadRegister(NvGpuEngineDmaReg.SrcSizeY);
int SrcSizeZ = ReadRegister(NvGpuEngineDmaReg.SrcSizeZ);
int SrcPosXY = ReadRegister(NvGpuEngineDmaReg.SrcPosXY);
int SrcPosZ = ReadRegister(NvGpuEngineDmaReg.SrcPosZ);
int DstPosX = (DstPosXY >> 0) & 0xffff;
int DstPosY = (DstPosXY >> 16) & 0xffff;
int SrcPosX = (SrcPosXY >> 0) & 0xffff;
int SrcPosY = (SrcPosXY >> 16) & 0xffff;
int SrcBlockHeight = 1 << ((SrcBlkDim >> 4) & 0xf);
int DstBlockHeight = 1 << ((DstBlkDim >> 4) & 0xf);
ISwizzle SrcSwizzle;
if (SrcLinear)
{
SrcSwizzle = new LinearSwizzle(SrcPitch, 1);
}
else
{
SrcSwizzle = new BlockLinearSwizzle(SrcSizeX, 1, SrcBlockHeight);
}
ISwizzle DstSwizzle;
if (DstLinear)
{
DstSwizzle = new LinearSwizzle(DstPitch, 1);
}
else
{
DstSwizzle = new BlockLinearSwizzle(DstSizeX, 1, DstBlockHeight);
}
for (int Y = 0; Y < DstSizeY; Y++)
for (int X = 0; X < DstSizeX; X++)
{
long SrcOffset = SrcAddress + (uint)SrcSwizzle.GetSwizzleOffset(X, Y);
long DstOffset = DstAddress + (uint)DstSwizzle.GetSwizzleOffset(X, Y);
Vmm.WriteByte(DstOffset, Vmm.ReadByte(SrcOffset));
}
}
private long MakeInt64From2xInt32(NvGpuEngineDmaReg Reg)
{
return
(long)Registers[(int)Reg + 0] << 32 |
(uint)Registers[(int)Reg + 1];
}
private void WriteRegister(NvGpuPBEntry PBEntry)
{
int ArgsCount = PBEntry.Arguments.Count;
if (ArgsCount > 0)
{
Registers[PBEntry.Method] = PBEntry.Arguments[ArgsCount - 1];
}
}
private int ReadRegister(NvGpuEngineDmaReg Reg)
{
return Registers[(int)Reg];
}
private void WriteRegister(NvGpuEngineDmaReg Reg, int Value)
{
Registers[(int)Reg] = Value;
}
}
}

22
Ryujinx.HLE/Gpu/NvGpuEngineDmaReg.cs Normal file
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@ -0,0 +1,22 @@
namespace Ryujinx.HLE.Gpu
{
enum NvGpuEngineDmaReg
{
SrcAddress = 0x100,
DstAddress = 0x102,
SrcPitch = 0x104,
DstPitch = 0x105,
DstBlkDim = 0x1c3,
DstSizeX = 0x1c4,
DstSizeY = 0x1c5,
DstSizeZ = 0x1c6,
DstPosZ = 0x1c7,
DstPosXY = 0x1c8,
SrcBlkDim = 0x1ca,
SrcSizeX = 0x1cb,
SrcSizeY = 0x1cc,
SrcSizeZ = 0x1cd,
SrcPosZ = 0x1ce,
SrcPosXY = 0x1cf
}
}

10
Ryujinx.HLE/Gpu/NvGpuFifo.cs
View file

@ -136,8 +136,9 @@ namespace Ryujinx.HLE.Gpu
{
switch (SubChannels[PBEntry.SubChannel])
{
case NvGpuEngine._2d: Call2dMethod(Vmm, PBEntry); break;
case NvGpuEngine._3d: Call3dMethod(Vmm, PBEntry); break;
case NvGpuEngine._2d: Call2dMethod (Vmm, PBEntry); break;
case NvGpuEngine._3d: Call3dMethod (Vmm, PBEntry); break;
case NvGpuEngine.Dma: CallDmaMethod(Vmm, PBEntry); break;
}
}
}
@ -170,5 +171,10 @@ namespace Ryujinx.HLE.Gpu
}
}
}
private void CallDmaMethod(NvGpuVmm Vmm, NvGpuPBEntry PBEntry)
{
Gpu.EngineDma.CallMethod(Vmm, PBEntry);
}
}
}