Ryujinx/Ryujinx.Graphics/Gal/ShaderDumper.cs

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C#
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using System;
using System.IO;
namespace Ryujinx.Graphics.Gal
{
static class ShaderDumper
{
private static string RuntimeDir;
public static int DumpIndex { get; private set; } = 1;
public static void Dump(IGalMemory Memory, long Position, GalShaderType Type, string ExtSuffix = "")
{
if (!IsDumpEnabled())
{
return;
}
string FileName = "Shader" + DumpIndex.ToString("d4") + "." + ShaderExtension(Type) + ExtSuffix + ".bin";
string FullPath = Path.Combine(FullDir(), FileName);
string CodePath = Path.Combine(CodeDir(), FileName);
DumpIndex++;
using (FileStream FullFile = File.Create(FullPath))
using (FileStream CodeFile = File.Create(CodePath))
{
BinaryWriter FullWriter = new BinaryWriter(FullFile);
BinaryWriter CodeWriter = new BinaryWriter(CodeFile);
for (long i = 0; i < 0x50; i += 4)
{
FullWriter.Write(Memory.ReadInt32(Position + i));
}
long Offset = 0;
ulong Instruction = 0;
//Dump until a NOP instruction is found
while ((Instruction >> 52 & 0xfff8) != 0x50b0)
{
uint Word0 = (uint)Memory.ReadInt32(Position + 0x50 + Offset + 0);
uint Word1 = (uint)Memory.ReadInt32(Position + 0x50 + Offset + 4);
Instruction = Word0 | (ulong)Word1 << 32;
//Zero instructions (other kind of NOP) stop immediatly,
//this is to avoid two rows of zeroes
if (Instruction == 0)
{
break;
}
FullWriter.Write(Instruction);
CodeWriter.Write(Instruction);
Offset += 8;
}
//Align to meet nvdisasm requeriments
while (Offset % 0x20 != 0)
{
FullWriter.Write(0);
CodeWriter.Write(0);
Offset += 4;
}
}
}
public static bool IsDumpEnabled()
{
return !string.IsNullOrWhiteSpace(GraphicsConfig.ShadersDumpPath);
}
private static string FullDir()
{
return CreateAndReturn(Path.Combine(DumpDir(), "Full"));
}
private static string CodeDir()
{
return CreateAndReturn(Path.Combine(DumpDir(), "Code"));
}
private static string DumpDir()
{
if (string.IsNullOrEmpty(RuntimeDir))
{
int Index = 1;
do
{
RuntimeDir = Path.Combine(GraphicsConfig.ShadersDumpPath, "Dumps" + Index.ToString("d2"));
Index++;
}
while (Directory.Exists(RuntimeDir));
Directory.CreateDirectory(RuntimeDir);
}
return RuntimeDir;
}
private static string CreateAndReturn(string Dir)
{
if (!Directory.Exists(Dir))
{
Directory.CreateDirectory(Dir);
}
return Dir;
}
private static string ShaderExtension(GalShaderType Type)
{
switch (Type)
{
case GalShaderType.Vertex: return "vert";
case GalShaderType.TessControl: return "tesc";
case GalShaderType.TessEvaluation: return "tese";
case GalShaderType.Geometry: return "geom";
case GalShaderType.Fragment: return "frag";
default: throw new ArgumentException(nameof(Type));
}
}
}
}