rjx-mirror/Ryujinx/Gpu/NsGpuPGraph.cs

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2018-02-04 23:08:20 +00:00
using ChocolArm64.Memory;
using Gal;
using System.Collections.Generic;
namespace Ryujinx.Gpu
{
class NsGpuPGraph
{
private NsGpu Gpu;
private int[] Registers;
public NsGpuEngine[] SubChannels;
private Dictionary<long, int> CurrentVertexBuffers;
public NsGpuPGraph(NsGpu Gpu)
{
this.Gpu = Gpu;
Registers = new int[0x1000];
SubChannels = new NsGpuEngine[8];
CurrentVertexBuffers = new Dictionary<long, int>();
}
public void ProcessPushBuffer(NsGpuPBEntry[] PushBuffer, AMemory Memory)
{
bool HasQuery = false;
foreach (NsGpuPBEntry Entry in PushBuffer)
{
if (Entry.Arguments.Count == 1)
{
SetRegister(Entry.Register, Entry.Arguments[0]);
}
switch (Entry.Register)
{
case NsGpuRegister.BindChannel:
if (Entry.Arguments.Count > 0)
{
SubChannels[Entry.SubChannel] = (NsGpuEngine)Entry.Arguments[0];
}
break;
case NsGpuRegister._3dVertexArray0Fetch:
SendVertexBuffers(Memory);
break;
case NsGpuRegister._3dCbData0:
if (GetRegister(NsGpuRegister._3dCbPos) == 0x20)
{
SendTexture(Memory);
}
break;
case NsGpuRegister._3dQueryAddressHigh:
case NsGpuRegister._3dQueryAddressLow:
case NsGpuRegister._3dQuerySequence:
case NsGpuRegister._3dQueryGet:
HasQuery = true;
break;
}
}
if (HasQuery)
{
long Position =
(long)GetRegister(NsGpuRegister._3dQueryAddressHigh) << 32 |
(long)GetRegister(NsGpuRegister._3dQueryAddressLow) << 0;
int Seq = GetRegister(NsGpuRegister._3dQuerySequence);
int Get = GetRegister(NsGpuRegister._3dQueryGet);
int Mode = Get & 3;
if (Mode == 0)
{
//Write
Position = Gpu.MemoryMgr.GetCpuAddr(Position);
if (Position != -1)
{
Gpu.Renderer.QueueAction(delegate()
{
Memory.WriteInt32(Position, Seq);
});
}
}
}
}
private void SendVertexBuffers(AMemory Memory)
{
long Position =
(long)GetRegister(NsGpuRegister._3dVertexArray0StartHigh) << 32 |
(long)GetRegister(NsGpuRegister._3dVertexArray0StartLow) << 0;
long Limit =
(long)GetRegister(NsGpuRegister._3dVertexArray0LimitHigh) << 32 |
(long)GetRegister(NsGpuRegister._3dVertexArray0LimitLow) << 0;
int VbIndex = CurrentVertexBuffers.Count;
if (!CurrentVertexBuffers.TryAdd(Position, VbIndex))
{
VbIndex = CurrentVertexBuffers[Position];
}
if (Limit != 0)
{
long Size = (Limit - Position) + 1;
Position = Gpu.MemoryMgr.GetCpuAddr(Position);
if (Position != -1)
{
byte[] Buffer = AMemoryHelper.ReadBytes(Memory, Position, (int)Size);
int Stride = GetRegister(NsGpuRegister._3dVertexArray0Fetch) & 0xfff;
List<GalVertexAttrib> Attribs = new List<GalVertexAttrib>();
for (int Attr = 0; Attr < 16; Attr++)
{
int Packed = GetRegister(NsGpuRegister._3dVertexAttrib0Format + Attr * 4);
GalVertexAttrib Attrib = new GalVertexAttrib(Attr,
(Packed >> 0) & 0x1f,
((Packed >> 6) & 0x1) != 0,
(Packed >> 7) & 0x3fff,
(GalVertexAttribSize)((Packed >> 21) & 0x3f),
(GalVertexAttribType)((Packed >> 27) & 0x7),
((Packed >> 31) & 0x1) != 0);
if (Attrib.Offset < Stride)
{
Attribs.Add(Attrib);
}
}
Gpu.Renderer.QueueAction(delegate()
{
Gpu.Renderer.SendVertexBuffer(VbIndex, Buffer, Stride, Attribs.ToArray());
});
}
}
}
private void SendTexture(AMemory Memory)
{
long TicPos = (long)GetRegister(NsGpuRegister._3dTicAddressHigh) << 32 |
(long)GetRegister(NsGpuRegister._3dTicAddressLow) << 0;
int CbData = GetRegister(NsGpuRegister._3dCbData0);
int TicIndex = (CbData >> 0) & 0xfffff;
int TscIndex = (CbData >> 20) & 0xfff; //I guess?
TicPos = Gpu.MemoryMgr.GetCpuAddr(TicPos + TicIndex * 0x20);
if (TicPos != -1)
{
int Word0 = Memory.ReadInt32(TicPos + 0x0);
int Word1 = Memory.ReadInt32(TicPos + 0x4);
int Word2 = Memory.ReadInt32(TicPos + 0x8);
int Word3 = Memory.ReadInt32(TicPos + 0xc);
int Word4 = Memory.ReadInt32(TicPos + 0x10);
int Word5 = Memory.ReadInt32(TicPos + 0x14);
int Word6 = Memory.ReadInt32(TicPos + 0x18);
int Word7 = Memory.ReadInt32(TicPos + 0x1c);
long TexAddress = Word1;
TexAddress |= (long)(Word2 & 0xff) << 32;
TexAddress = Gpu.MemoryMgr.GetCpuAddr(TexAddress);
if (TexAddress != -1)
{
NsGpuTextureFormat Format = (NsGpuTextureFormat)(Word0 & 0x7f);
int Width = (Word4 & 0xffff) + 1;
int Height = (Word5 & 0xffff) + 1;
byte[] Buffer = GetDecodedTexture(Memory, Format, TexAddress, Width, Height);
if (Buffer != null)
{
Gpu.Renderer.QueueAction(delegate()
{
Gpu.Renderer.SendR8G8B8A8Texture(0, Buffer, Width, Height);
});
}
}
}
}
private static byte[] GetDecodedTexture(
AMemory Memory,
NsGpuTextureFormat Format,
long Position,
int Width,
int Height)
{
byte[] Data = null;
switch (Format)
{
case NsGpuTextureFormat.BC1:
{
int Size = (Width * Height) >> 1;
Data = AMemoryHelper.ReadBytes(Memory, Position, Size);
Data = BCn.DecodeBC1(new NsGpuTexture()
{
Width = Width,
Height = Height,
Data = Data
}, 0);
break;
}
case NsGpuTextureFormat.BC2:
{
int Size = Width * Height;
Data = AMemoryHelper.ReadBytes(Memory, Position, Size);
Data = BCn.DecodeBC2(new NsGpuTexture()
{
Width = Width,
Height = Height,
Data = Data
}, 0);
break;
}
case NsGpuTextureFormat.BC3:
{
int Size = Width * Height;
Data = AMemoryHelper.ReadBytes(Memory, Position, Size);
Data = BCn.DecodeBC3(new NsGpuTexture()
{
Width = Width,
Height = Height,
Data = Data
}, 0);
break;
}
//default: throw new NotImplementedException(Format.ToString());
}
return Data;
}
public int GetRegister(NsGpuRegister Register)
{
return Registers[((int)Register >> 2) & 0xfff];
}
public void SetRegister(NsGpuRegister Register, int Value)
{
Registers[((int)Register >> 2) & 0xfff] = Value;
}
}
}