public string ToStringFormatted()
{
var stringBuilder = new StringBuilder();
foreach (var inst in Instructions)
{
stringBuilder.Append($"\t\t{ inst.ToStringFormatted() }\n");
}
var instructionString = stringBuilder.ToString();
stringBuilder.Clear();
return("Spir-V Source [\n" +
$"\tVersion: 0.{ VersionMajor }.{ VersionMinor }.0\n" +
$"\tGenerator: { GeneratorMagic }\n" +
$"\tBound: { Bound }\n" +
$"\tCapabilities: { string.Join(", ", Capabilities ) }\n" +
$"\tExtensions: { string.Join(", ", Extensions) }\n" +
$"\tExtInstImports: { ExtInstImports.ToStringFormatted() }\n" +
$"\tMemoryModel: { MemoryModel }\n" +
$"\tEntryPoints: { string.Join(", ", EntryPoints) }\n" +
$"\tExecutionModes: { ExecutionModes.ToStringFormatted() }\n" +
$"\tNames: { Names.ToStringFormatted() }\n" +
$"\tMemberNames: { MemberNames.ToStringFormatted() }\n" +
$"\tInstructions:\n" +
$"{instructionString}]");
}
public SpirV(Stream stream)
{
using (var br = new BinaryReader(stream))
{
// Word 0; file magic
var magic = br.ReadUInt32();
if (magic != SpirVMagic)
{
throw new InvalidDataException("File magic was incorrect");
}
// Word 1; version number
br.ReadByte();
VersionMinor = br.ReadByte();
VersionMajor = br.ReadByte();
br.ReadByte();
// Word 2; generator magic
GeneratorMagic = br.ReadUInt32();
// Word 3; bound IDs where 0 < ID < this
Bound = br.ReadInt32();
// Word 4; optional instruction schema
br.ReadInt32();
// Word 5 and beyond; instructions
Instructions = new List <Instruction>();
while (stream.Position < stream.Length)
{
var inst = new Instruction(br);
string sA;
int iA;
List <int> lA;
switch (inst.OpCode)
{
case OpCodeID.Capability:
Capabilities.Add((Capability)inst[1]);
break;
case OpCodeID.Extension:
Extensions.Add(inst.String(1));
break;
case OpCodeID.ExtInstImport:
ExtInstImports.Add(inst[1], inst.String(2));
break;
case OpCodeID.MemoryModel:
MemoryModel = (MemoryModel)inst[1];
break;
case OpCodeID.EntryPoint:
sA = inst.String(3, out iA);
lA = new List <int>();
for (var i = iA; i < inst.Length; i++)
{
lA.Add(inst[i]);
}
EntryPoints.Add(new EntryPoint((ExecutionModel)inst[1], inst[2], sA, lA));
break;
case OpCodeID.ExecutionMode:
ExecutionModes.Add(inst[1], (ExecutionMode)inst[2]);
break;
case OpCodeID.Name:
Names.Add(inst[1], inst.String(2));
MemberNames.Add(inst[1], new Dictionary <int, string>());
break;
case OpCodeID.MemberName:
MemberNames[inst[1]].Add(inst[2], inst.String(3));
break;
default:
Instructions.Add(new Instruction(br));
break;
}
}
}
}
