private SpirVModuleHeader ReadModuleHeader(WordReader reader)
{
int magicNumber = reader.ReadWord().Value;
if (magicNumber != MagicNumber)
{
throw new ArgumentException("invalid shader program");
}
int version = reader.ReadWord().Value;
int generatorIdentifier = reader.ReadWord().Value;
int boundIds = reader.ReadWord().Value;
int schema = reader.ReadWord().Value;
logger.Debug("Magic Number = {0:X}\nVersion = {1}\nGenerator Identifier={2}\nids = {3}\nschema= {4}\n",
magicNumber, version, generatorIdentifier, boundIds, schema);
return new SpirVModuleHeader(magicNumber, version, generatorIdentifier, boundIds, schema);
}
public SpirVModule Load(String fileName)
{
using(Stream fileStream = File.Open(fileName, FileMode.Open))
using(WordReader reader = new WordReader(fileStream))
{
SpirVModuleHeader header = ReadModuleHeader(reader);
var instructionIterator = new InstructionIterator(reader);
List<Instruction> instructions = new List<Instruction>();
Instruction instruction = instructionIterator.Next();
while (instruction != null)
{
logger.Debug("{0}", instruction);
instructions.Add(instruction);
instruction = instructionIterator.Next();
}
return new SpirVModule(header, instructions);
}
}
internal InstructionIterator(WordReader reader)
{
this.reader = reader;
}