internal void TranslateInstruction(InstructionToken token)
{
DebugLog(token);
switch (token.Header.OpcodeType)
{
case OpcodeType.Dtoi:
case OpcodeType.Dtou:
case OpcodeType.FtoI:
case OpcodeType.FtoU:
{
var constructorType = (token.Header.OpcodeType == OpcodeType.FtoI ||
token.Header.OpcodeType == OpcodeType.Dtoi) ?
ShaderVariableType.Int :
ShaderVariableType.UInt;
var dest = token.Operands[0];
var src = token.Operands[1];
var destCount = dest.GetNumSwizzleElements();
var srcCount = src.GetNumSwizzleElements();
AddIndent();
AddAssignToDest(token.Operands[0]);
Output.Append(GetConstructorForType(constructorType,
srcCount == destCount ? destCount : 4));
Output.Append("(");
WriteOperand(src);
Output.AppendLine(");");
break;
}
case OpcodeType.DToF:
case OpcodeType.ItoF:
case OpcodeType.Utof:
{
var dest = token.Operands[0];
var src = token.Operands[1];
var destCount = dest.GetNumSwizzleElements();
var srcCount = src.GetNumSwizzleElements();
AddIndent();
AddAssignToDest(token.Operands[0]);
Output.Append(GetConstructorForType(ShaderVariableType.Float,
srcCount == destCount ? destCount : 4));
Output.Append("(");
WriteOperand(src);
Output.AppendLine(");");
break;
}
case OpcodeType.Itod:
case OpcodeType.Utod:
case OpcodeType.FToD:
{
var dest = token.Operands[0];
var src = token.Operands[1];
var destCount = dest.GetNumSwizzleElements();
var srcCount = src.GetNumSwizzleElements();
AddIndent();
AddAssignToDest(token.Operands[0]);
Output.Append(GetConstructorForType(ShaderVariableType.Double,
srcCount == destCount ? destCount : 4));
Output.Append("(");
WriteOperand(src);
Output.AppendLine(");");
break;
}
case OpcodeType.DMov:
case OpcodeType.Mov:
{
WriteMoveBinaryOp(token.Operands[0], token.Operands[1]);
break;
}
case OpcodeType.DAdd:
case OpcodeType.IAdd:
case OpcodeType.Add:
{
CallBinaryOp("+", token, 0, 1, 2);
break;
}
case OpcodeType.Dfma:
case OpcodeType.IMad:
case OpcodeType.Mad:
{
CallTernaryOp("*", "+", token, 0, 1, 2, 3);
break;
}
case OpcodeType.DMul:
case OpcodeType.IMul:
case OpcodeType.Mul:
{
CallBinaryOp("*", token, 0, 1, 2);
break;
}
case OpcodeType.UDiv:
case OpcodeType.Ddiv:
case OpcodeType.Div:
{
CallBinaryOp("/", token, 0, 1, 2);
break;
}
// Bitwise operations
case OpcodeType.Or:
{
CallBinaryOp("|", token, 0, 1, 2);
break;
}
case OpcodeType.And:
{
CallBinaryOp("&", token, 0, 1, 2);
break;
}
case OpcodeType.FirstBitHi:
{
CallHelper("firstbithigh", token, 0, 1);
break;
}
case OpcodeType.FirstBitSHi:
{
CallHelper("firstbithigh", token, 0, 1);
break;
}
case OpcodeType.BfRev:
{
CallHelper("reversebits ", token, 0, 1);
break;
}
case OpcodeType.Bfi:
{
string bfiFunc = @"int4 BFI(uint4 src0, uint4 src1, uint4 src2, uint4 src3){
uint4 width = src0 & 0x1f;
uint4 offset = src1 & 0x1f;
uint4 mask = (((1 << width)-1) << offset) & 0xffffffff;
int4 dest = ((src2 << offset) & bitmask) | (src3 & ~bitmask)
return dest;
}";
AddFunction("BFI", bfiFunc);
CallHelper("BFI", token, 0, 1, 2, 3, 4);
break;
}
case OpcodeType.UShr:
{
CallBinaryOp(">>", token, 0, 1, 2);
break;
}
case OpcodeType.IShr:
{
CallBinaryOp(">>", token, 0, 1, 2);
break;
}
case OpcodeType.IShl:
{
CallBinaryOp("<<", token, 0, 1, 2);
break;
}
case OpcodeType.UBfe:
case OpcodeType.IBfe:
{
string name = token.Header.OpcodeType == OpcodeType.UBfe ?
"UBFE" : "IBFE";
string returnType = token.Header.OpcodeType == OpcodeType.UBfe ?
"uint4" : "int4";
string template = @"{0} {1}(uint4 src1, uint4 src2, {0} value){{
{0} result = 0;
for(uint i = 0; i < 4; i++){{
uint width = src1[i] & 0x1f;
uint offset =src2[i] & 0x1f;
if(width == 0){{
result[i] = 0;
}} else if(width + offset < 32){{
result[i] = value << (32-(width + offset));
result[i] = result[i] >> (32 - width);
}} else {{
result[i] = value >> (32 - width);
}}
}}
return result;
}}";
AddFunction(name, string.Format(template, returnType, name));
CallHelper(name, token, 0, 1, 2, 3);
break;
}
case OpcodeType.Not:
{
AddIndent();
AddAssignToDest(token.Operands[0]);
Output.Append("~");
WriteOperand(token.Operands[1]);
Output.AppendLine(";");
break;
}
case OpcodeType.Xor:
{
CallBinaryOp("^", token, 0, 1, 2);
break;
}
case OpcodeType.CountBits:
{
AddIndent();
AddAssignToDest(token.Operands[0]);
Output.Append(" = bitCount(");
WriteOperand(token.Operands[1]);
Output.AppendLine(");");
break;
}
//Comparisons
case OpcodeType.DNe:
case OpcodeType.INe:
case OpcodeType.Ne:
{
AddComparision(token, ComparisonType.Ne);
break;
}
case OpcodeType.ILt:
case OpcodeType.DLt:
case OpcodeType.ULt:
case OpcodeType.Lt:
{
AddComparision(token, ComparisonType.Lt);
break;
}
case OpcodeType.IGe:
case OpcodeType.UGe:
case OpcodeType.DGe:
case OpcodeType.Ge:
{
AddComparision(token, ComparisonType.Ge);
break;
}
case OpcodeType.DEq:
case OpcodeType.IEq:
case OpcodeType.Eq:
{
AddComparision(token, ComparisonType.Eq);
break;
}
case OpcodeType.DMovC:
case OpcodeType.MovC:
{
AddMOVCBinaryOp(token.Operands[0], token.Operands[1],
token.Operands[2], token.Operands[3]);
break;
}
case OpcodeType.SwapC:
{
// TODO needs temps!!
AddMOVCBinaryOp(token.Operands[0], token.Operands[2], token.Operands[4], token.Operands[3]);
AddMOVCBinaryOp(token.Operands[1], token.Operands[2], token.Operands[3], token.Operands[4]);
break;
}
//ControlFlow
case OpcodeType.Loop:
{
AddIndent();
Output.AppendLine("while(true){");
indent++;
break;
}
case OpcodeType.EndLoop:
{
indent--;
AddIndent();
Output.AppendLine("}");
break;
}
case OpcodeType.Break:
{
AddIndent();
Output.AppendLine("break;");
break;
}
case OpcodeType.BreakC:
{
WriteConditional(token);
break;
}
case OpcodeType.ContinueC:
{
WriteConditional(token);
break;
}
case OpcodeType.If:
{
WriteConditional(token);
break;
}
case OpcodeType.RetC:
{
WriteConditional(token);
break;
}
case OpcodeType.Else:
{
indent--;
AddIndent();
Output.AppendLine("} else {");
indent++;
break;
}
case OpcodeType.EndSwitch:
case OpcodeType.EndIf:
{
indent--;
AddIndent();
Output.AppendLine("}");
break;
}
case OpcodeType.Continue:
{
Output.AppendLine("continue;");
break;
}
case OpcodeType.Switch:
{
AddIndent();
indent++;
Output.Append("switch(int(");
WriteOperand(token.Operands[0]);
Output.AppendLine(")){");
break;
}
case OpcodeType.Case:
{
AddIndent();
indent++;
Output.Append("case ");
WriteOperand(token.Operands[0]);
Output.AppendLine(":");
break;
}
case OpcodeType.Default:
{
AddIndent();
Output.AppendLine("default:");
break;
}
case OpcodeType.Ret:
{
if (Container.Shader.Version.ProgramType != ProgramType.ComputeShader &&
Container.Shader.Version.ProgramType != ProgramType.GeometryShader)
{
AddIndent();
Output.AppendLine($"return output;");
}
break;
}
case OpcodeType.Label:
{
break;
}
//Functions
case OpcodeType.Sincos:
{
if (token.Operands[0].OperandType == token.Operands[2].OperandType &&
token.Operands[0].Indices[0].Value == token.Operands[2].Indices[0].Value)
{
if (token.Operands[1].OperandType != OperandType.Null)
{
CallHelper("cos", token, 1, 2);
}
if (token.Operands[0].OperandType != OperandType.Null)
{
CallHelper("cos", token, 0, 2);
}
}
else
{
if (token.Operands[0].OperandType != OperandType.Null)
{
CallHelper("sin", token, 0, 2);
}
if (token.Operands[1].OperandType != OperandType.Null)
{
CallHelper("cos", token, 1, 2);
}
}
break;
}
case OpcodeType.Dp2:
{
CallHelper("dot", token, 0, 1, 2);
break;
}
case OpcodeType.Dp3:
{
CallHelper("dot", token, 0, 1, 2);
break;
}
case OpcodeType.Dp4:
{
CallHelper("dot", token, 0, 1, 2);
break;
}
case OpcodeType.Log:
{
CallHelper("log", token, 0, 1);
break;
}
case OpcodeType.Rsq:
{
CallHelper("normalize", token, 0, 1);
break;
}
case OpcodeType.Exp:
{
CallHelper("exp2", token, 0, 1);
break;
}
case OpcodeType.Sqrt:
{
CallHelper("sqrt", token, 0, 1);
break;
}
case OpcodeType.RoundPi:
{
CallHelper("ceil", token, 0, 1);
break;
}
case OpcodeType.RoundNi:
{
CallHelper("floor", token, 0, 1);
break;
}
case OpcodeType.RoundZ:
{
CallHelper("trunc", token, 0, 1);
break;
}
case OpcodeType.RoundNe:
{
CallHelper("roundEven", token, 0, 1);
break;
}
case OpcodeType.Frc:
{
CallHelper("frac", token, 0, 1);
break;
}
case OpcodeType.IMax:
case OpcodeType.UMax:
case OpcodeType.DMax:
case OpcodeType.Max:
{
CallHelper("max", token, 0, 1, 2);
break;
}
case OpcodeType.IMin:
case OpcodeType.UMin:
case OpcodeType.DMin:
case OpcodeType.Min:
{
CallHelper("min", token, 0, 1, 2);
break;
}
//Resource Operations
case OpcodeType.Gather4:
case OpcodeType.Gather4S:
case OpcodeType.Gather4Po:
case OpcodeType.Gather4C:
case OpcodeType.Gather4PoC:
case OpcodeType.Gather4PoS:
case OpcodeType.Gather4CS:
case OpcodeType.Gather4PoCS:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.SampleLS:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.SampleDClS:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.SampleCClS:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.SampleBClS:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.SampleClS:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.SampleCLzS:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.Sample:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.SampleL:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.SampleC:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.SampleCLz:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.SampleD:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.SampleB:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.StoreRaw:
{
if (token.Operands[0].OperandType == OperandType.UnorderedAccessView)
{
AddCallInterfaceNoDest("Store", token, 0, 1, 2);
}
else
{
//TODO: use dstByteOffset (Operands[0]) to select the correct dest
AddIndent();
AddAssignToDest(token.Operands[0]);
WriteOperand(token.Operands[2]);
Output.AppendLine(";");
}
break;
}
case OpcodeType.StoreStructured:
{
AddCallInterfaceNoDest("Store", token, 0, 1, 2, 3);
break;
}
case OpcodeType.StoreUavTyped:
{
AddCallInterfaceNoDest("Store", token, 0, 1, 2);
break;
}
case OpcodeType.Ld:
{
AddLoad(token);
break;
}
case OpcodeType.LdS:
AddIndent();
AddCallInterface("Load", token, 0, 2, 1, 3);
break;
case OpcodeType.LdMsS:
case OpcodeType.LdMs:
{
AddCallInterface("LoadMs", token, 0, 2, 1);
break;
}
case OpcodeType.LdStructuredS:
case OpcodeType.LdStructured:
{
AddLoadStructured(token);
break;
}
case OpcodeType.LdUavTypedS:
case OpcodeType.LdUavTyped:
{
AddCallInterface("Load", token, 0, 2, 1);
break;
}
case OpcodeType.LdRawS:
case OpcodeType.LdRaw:
{
AddCallInterface("Load", token, 0, 2, 1);
break;
}
case OpcodeType.Lod:
{
TranslateTextureSample(token);
break;
}
case OpcodeType.Resinfo:
{
int parameterCount = token.Operands[0].GetNumSwizzleElements();
for (int i = 0; i < 3 - parameterCount; i++)
{
AddIndent();
Output.AppendLine($"float unused{i};");
}
AddIndent();
WriteOperandWithMask(token.Operands[2], ComponentMask.None);
Output.Append(".GetDimensions(");
WriteOperand(token.Operands[1]);
var usedMask = token.Operands[0].GetUsedComponents();
for (int i = 0; i < 4; i++)
{
var mask = (ComponentMask)(1 << i);
if (!usedMask.HasFlag(mask))
{
continue;
}
Output.Append(", ");
WriteOperandWithMask(token.Operands[0], mask);
}
for (int i = 0; i < 3 - parameterCount; i++)
{
Output.Append($", unused{i}");
}
Output.AppendLine(");");
break;
}
//Atomic Operations
case OpcodeType.AtomicAnd:
{
AddCallInterfaceNoDest("InterlockedAnd", token, 0, 1, 2);
break;
}
case OpcodeType.AtomicOr:
{
AddCallInterfaceNoDest("InterlockedOr", token, 0, 1, 2);
break;
}
case OpcodeType.AtomicXor:
{
AddCallInterfaceNoDest("InterlockedXor", token, 0, 1, 2);
break;
}
case OpcodeType.AtomicCmpStore:
{
AddCallInterfaceNoDest("InterlockedCompareStore", token, 0, 1, 2, 3);
break;
}
case OpcodeType.AtomicIAdd:
{
AddCallInterfaceNoDest("InterlockedAdd", token, 0, 1, 2);
break;
}
case OpcodeType.AtomicIMax:
{
AddCallInterfaceNoDest("InterlockedMax", token, 0, 1, 2);
break;
}
case OpcodeType.AtomicIMin:
{
AddCallInterfaceNoDest("InterlockedMin", token, 0, 1, 2);
break;
}
case OpcodeType.AtomicUMax:
{
AddCallInterfaceNoDest("InterlockedMax", token, 0, 1, 2);
break;
}
case OpcodeType.AtomicUMin:
{
AddCallInterfaceNoDest("InterlockedMin", token, 0, 1, 2);
break;
}
case OpcodeType.ImmAtomicIAdd:
{
AddCallInterfaceNoDest("InterlockedAnd", token, 1, 2, 3, 0);
break;
}
case OpcodeType.ImmAtomicAnd:
{
AddCallInterfaceNoDest("InterlockedAnd", token, 1, 2, 3, 0);
break;
}
case OpcodeType.ImmAtomicOr:
{
AddCallInterfaceNoDest("InterlockedOr", token, 1, 2, 3, 0);
break;
}
case OpcodeType.ImmAtomicXor:
{
AddCallInterfaceNoDest("InterlockedXor", token, 1, 2, 3, 0);
break;
}
case OpcodeType.ImmAtomicExch:
{
AddCallInterfaceNoDest("InterlockedExchange", token, 1, 2, 3, 0);
break;
}
case OpcodeType.ImmAtomicCmpExch:
{
AddCallInterfaceNoDest("InterlockedCompareExchange", token, 1, 2, 3, 4, 0);
break;
}
case OpcodeType.ImmAtomicIMax:
{
AddCallInterfaceNoDest("InterlockedMax", token, 1, 2, 3, 0);
break;
}
case OpcodeType.ImmAtomicIMin:
{
AddCallInterfaceNoDest("InterlockedMin", token, 1, 2, 3, 0);
break;
}
case OpcodeType.ImmAtomicUMax:
{
AddCallInterfaceNoDest("InterlockedMax", token, 1, 2, 3, 0);
break;
}
case OpcodeType.ImmAtomicUMin:
{
AddCallInterfaceNoDest("InterlockedMin", token, 1, 2, 3, 0);
break;
}
case OpcodeType.ImmAtomicAlloc:
{
AddCallInterfaceNoDest("Append", token, 1, 0);
break;
}
case OpcodeType.ImmAtomicConsume:
{
AddCallInterface("Consume", token, 0, 1);
break;
}
// Misc
case OpcodeType.Nop:
{
break;
}
case OpcodeType.InterfaceCall:
{
AddIndent();
var register = RegisterState.GetRegister(token);
Output.AppendFormat("{0}();\n", register?.Name ?? token.ToString());
break;
}
case OpcodeType.Emit:
{
AddIndent();
Output.Append("TODO_Get_Stream");
Output.AppendLine(".Append(output);");
break;
}
case OpcodeType.Cut:
{
AddIndent();
Output.Append("TODO_Get_Stream");
Output.AppendLine(".RestartStrip();");
break;
}
case OpcodeType.CutStream:
{
AddIndent();
WriteOperand(token.Operands[0]);
Output.AppendLine(".RestartStrip();");
break;
}
case OpcodeType.EmitStream:
{
AddIndent();
WriteOperand(token.Operands[0]);
Output.AppendLine(".Append(output);");
break;
}
case OpcodeType.EmitThenCutStream:
{
break;
}
case OpcodeType.Sync:
{
AddIndent();
if (token.SyncFlags == SyncFlags.UnorderedAccessViewGlobal)
{
Output.AppendLine("DeviceMemoryBarrier();");
}
else if (token.SyncFlags == SyncFlags.SharedMemory)
{
Output.AppendLine("GroupMemoryBarrier();");
}
else if (token.SyncFlags == (SyncFlags.SharedMemory | SyncFlags.UnorderedAccessViewGlobal))
{
Output.AppendLine("AllMemoryBarrier();");
}
else if (token.SyncFlags == (SyncFlags.ThreadsInGroup | SyncFlags.UnorderedAccessViewGlobal))
{
Output.AppendLine("DeviceMemoryBarrierWithGroupSync();");
}
else if (token.SyncFlags == (SyncFlags.ThreadsInGroup | SyncFlags.SharedMemory))
{
Output.AppendLine("GroupMemoryBarrierWithGroupSync();");
}
else if (token.SyncFlags == (SyncFlags.ThreadsInGroup | SyncFlags.SharedMemory | SyncFlags.UnorderedAccessViewGlobal))
{
Output.AppendLine("AllMemoryBarrierWithGroupSync();");
}
else
{
throw new Exception($"Unknown Memory Sync Flags {token.SyncFlags}");
}
break;
}
case OpcodeType.Discard:
{
if (token.Operands[0].OperandType == OperandType.Immediate32 ||
token.Operands[0].OperandType == OperandType.Immediate64)
{
AddIndent();
Output.Append("discard;");
}
else
{
WriteConditional(token);
}
break;
}
case OpcodeType.EvalCentroid:
{
CallHelper("EvaluateAttributeCentroid", token, 0, 1);
break;
}
case OpcodeType.EvalSampleIndex:
{
CallHelper("EvaluateAttributeAtSample", token, 0, 1, 2);
break;
}
case OpcodeType.EvalSnapped:
{
CallHelper("EvaluateAttributeSnapped", token, 0, 1, 2);
break;
}
case OpcodeType.Drcp:
case OpcodeType.Rcp:
{
CallHelper("rcp", token, 0, 1);
break;
}
case OpcodeType.F32ToF16:
{
CallHelper("f32tof16", token, 0, 1);
break;
}
case OpcodeType.F16ToF32:
{
CallHelper("f16tof32", token, 0, 1);
break;
}
case OpcodeType.INeg:
{
CallHelper("negate", token, 0, 1);
break;
}
case OpcodeType.DerivRtx:
{
CallHelper("ddx", token, 0, 1);
break;
}
case OpcodeType.RtxCoarse:
{
CallHelper("ddx_coarse", token, 0, 1);
break;
}
case OpcodeType.RtxFine:
{
CallHelper("ddx_fine", token, 0, 1);
break;
}
case OpcodeType.DerivRty:
{
CallHelper("ddy", token, 0, 1);
break;
}
case OpcodeType.RtyCoarse:
{
CallHelper("ddy_coarse", token, 0, 1);
break;
}
case OpcodeType.RtyFine:
{
CallHelper("ddy_fine", token, 0, 1);
break;
}
case OpcodeType.SamplePos:
{
if (token.Operands[1].OperandType == OperandType.Rasterizer)
{
CallHelper("GetRenderTargetSamplePosition", token, 0, 2);
}
else
{
AddCallInterface("GetSamplePosition", token, 0, 1, 2);
}
break;
}
case OpcodeType.Abort:
{
AddIndent();
Output.AppendLine("abort();");
break;
}
case OpcodeType.Msad:
CallHelper("msad4", token, 0, 1, 2);
break;
case OpcodeType.Bufinfo:
//TODO: need to mask op[0] with no swizzle
AddCallInterfaceNoDest("GetDimensions", token, 1, 0);
break;
case OpcodeType.FirstBitLo:
CallHelper("firstbitlow", token, 0, 1);
break;
case OpcodeType.SampleInfo:
AddIndent();
AddAssignToDest(token.Operands[0]);
Output.AppendLine("GetRenderTargetSampleCount();");
break;
case OpcodeType.HsForkPhase:
break;
case OpcodeType.HsJoinPhase:
break;
case OpcodeType.CheckAccessFullyMapped:
CallHelper("CheckAccessFullyMapped", token, 0, 1);
break;
default:
throw new Exception($"Unexpected token {token}");
}
}
string GetOperandName(Operand operand)
{
try
{
switch (operand.OperandType)
{
case OperandType.Immediate32:
case OperandType.Immediate64:
{
var parentType = operand.ParentType;
var numComponents = operand.NumComponents;
var immediateValues = operand.ImmediateValues;
if (numComponents == 1)
{
return(operand.OperandType == OperandType.Immediate64
? immediateValues.GetDouble(0).ToString()
: immediateValues.GetNumber(0).ToString(parentType.GetNumberType()));
}
string result = (operand.OperandType == OperandType.Immediate64) ?
$"double{numComponents}(" :
$"float{numComponents}(";
for (int i = 0; i < numComponents; i++)
{
result += operand.OperandType == OperandType.Immediate64
? immediateValues.GetDouble(i).ToString()
: immediateValues.GetNumber(i).ToString(parentType.GetNumberType());
if (i < numComponents - 1)
{
result += ", ";
}
}
result += ")";
return(result);
}
case OperandType.Temp:
return($"r{operand.Indices[0].Value}");
case OperandType.InputCoverageMask:
{
var reg = RegisterState.GetRegister(operand);
return($"input.{reg.Name}");
}
case OperandType.Input:
{
var input = Container.InputSignature.Parameters
.Single(p => p.Register == operand.Indices[0].Value &&
p.ReadWriteMask.HasFlag(operand.GetUsedComponents()));
return($"input.{input.GetName()}");
}
case OperandType.InputControlPoint:
{
var input = Container.InputSignature.Parameters
.Single(p => p.Register == operand.Indices[1].Value);
return($"{operand.OperandType.GetDescription()}[{operand.Indices[1].Value}].field{operand.Indices[1].Value}{input.ReadWriteMask.GetDescription().Trim()}");
}
case OperandType.Output:
{
var elements = Container.OutputSignature.Parameters
.Where(p => p.Register == operand.Indices[0].Value &&
p.ReadWriteMask.HasFlag(operand.GetUsedComponents()))
.ToArray();
var output = elements.Length == 1 ? elements[0] : null;
return($"output.{output.GetName()}");
}
case OperandType.ConstantBuffer:
{
//return RegisterState.GetRegister(operand).Name;
uint bindPoint = (uint)operand.Indices[0].Value;
uint fieldIndex = (uint)operand.Indices[1].Value;
var cb = GetConstantBuffer(OperandType.ConstantBuffer, bindPoint);
var offset = fieldIndex * 16;
GetShaderVariableByOffset(cb, offset, out string fullname);
if (fullname == null)
{
GetShaderVariableByOffset(cb, offset, out string foo);
return($"cb{bindPoint}[{fieldIndex}]");
}
return(fullname);
}
case OperandType.Interface:
{
var register = RegisterState.GetRegister(operand);
return(register?.Name ?? operand.ToString());
}
case OperandType.Resource:
{
var binding = GetResourceBinding(operand.OperandType, (uint)operand.Indices[0].Value);
return(binding.Name);
}
case OperandType.Sampler:
{
var binding = GetResourceBinding(operand.OperandType, (uint)operand.Indices[0].Value);
return(binding.Name);
}
case OperandType.ImmediateConstantBuffer:
{
var reg = GetOperandDescriptionWithMask(operand.Indices[0].Register, ComponentMask.All);
return($"{operand.OperandType.GetDescription()}[{reg} + {operand.Indices[0].Value}]");
}
case OperandType.UnorderedAccessView:
{
var binding = GetResourceBinding(operand.OperandType, (uint)operand.Indices[0].Value);
return(binding.Name);
}
}
}
catch (Exception ex)
{
return($"error_{operand.ToString()}");
}
return($"{operand.OperandType.GetDescription()}{GetOperandIndex(operand)}");
}