virtual public ShaderModel ReadShader()
{
int dxbc = ReadInt32();
System.Diagnostics.Debug.Assert(dxbc == FourCC.Make("DXBC"));
ReadBytes(16); // checksum
ReadInt32(); // 1
ReadInt32(); // totalSize
int chunkCount = ReadInt32();
int[] chunkOffsets = new int[chunkCount];
for (int i = 0; i < chunkCount; i++)
{
chunkOffsets[i] = ReadInt32();
}
ShaderModel shader = null;
foreach (int chunkOffset in chunkOffsets)
{
BaseStream.Position = chunkOffset;
string chunkType = FourCC.Decode(ReadInt32());
if (chunkType == "RDEF")
{
ReadBytes(20);
byte majorVersion = ReadByte();
byte minorVersion = ReadByte();
ShaderType shaderType = (ShaderType)ReadUInt16();
shader = new ShaderModel(minorVersion, majorVersion, shaderType);
}
else if (chunkType == "OSGN")
{
}
else if (chunkType == "SHDR")
{
ReadBytes(8);
int chunkSize = ReadInt32() * 4;
long chunkEnd = BaseStream.Position + chunkSize - 8;
while (BaseStream.Position < chunkEnd)
{
D3D10Instruction instruction = ReadInstruction();
InstructionVerifier.Verify(instruction);
shader.Instructions.Add(instruction);
}
}
}
return(shader);
}
virtual public ShaderModel ReadShader()
{
// Version token
byte minorVersion = ReadByte();
byte majorVersion = ReadByte();
ShaderType shaderType = (ShaderType)ReadUInt16();
var shader = new ShaderModel(majorVersion, minorVersion, shaderType);
while (true)
{
D3D9Instruction instruction = ReadInstruction();
InstructionVerifier.Verify(instruction);
shader.Instructions.Add(instruction);
if (instruction.Opcode == Opcode.End)
{
break;
}
}
return(shader);
}
public AsmWriter(ShaderModel shader)
{
this.shader = shader;
}