public EmitterContext(DecodedProgram program, ShaderConfig config, bool isNonMain)
{
Program = program;
Config = config;
IsNonMain = isNonMain;
_operations = new List <Operation>();
_labels = new Dictionary <ulong, Operand>();
}
internal static FunctionCode[] EmitShader(DecodedProgram program, ShaderConfig config, bool initializeOutputs, out int initializationOperations)
{
initializationOperations = 0;
FunctionMatch.RunPass(program);
foreach (DecodedFunction function in program.OrderBy(x => x.Address).Where(x => !x.IsCompilerGenerated))
{
program.AddFunctionAndSetId(function);
}
FunctionCode[] functions = new FunctionCode[program.FunctionsWithIdCount];
for (int index = 0; index < functions.Length; index++)
{
EmitterContext context = new EmitterContext(program, config, index != 0);
if (initializeOutputs && index == 0)
{
EmitOutputsInitialization(context, config);
initializationOperations = context.OperationsCount;
}
DecodedFunction function = program.GetFunctionById(index);
foreach (Block block in function.Blocks)
{
context.CurrBlock = block;
context.MarkLabel(context.GetLabel(block.Address));
EmitOps(context, block);
}
functions[index] = new FunctionCode(context.GetOperations());
}
return(functions);
}
internal TranslatorContext(ulong address, DecodedProgram program, ShaderConfig config)
{
Address = address;
_program = program;
_config = config;
}
public static void RunPass(DecodedProgram program)
{
byte[] externalRegs = new byte[4];
bool hasGetAddress = false;
foreach (DecodedFunction function in program)
{
if (function == program.MainFunction)
{
continue;
}
int externalReg4 = 0;
TreeNode[] functionTree = BuildTree(function.Blocks);
if (Matches(_fsiGetAddressTree, functionTree))
{
externalRegs[1] = functionTree[0].GetRd();
externalRegs[2] = functionTree[2].GetRd();
externalRegs[3] = functionTree[1].GetRd();
externalReg4 = functionTree[3].GetRd();
}
else if (Matches(_fsiGetAddressV2Tree, functionTree))
{
externalRegs[1] = functionTree[2].GetRd();
externalRegs[2] = functionTree[1].GetRd();
externalRegs[3] = functionTree[0].GetRd();
externalReg4 = functionTree[3].GetRd();
}
// Ensure the register allocation is valid.
// If so, then we have a match.
if (externalRegs[1] != externalRegs[2] &&
externalRegs[2] != externalRegs[3] &&
externalRegs[1] != externalRegs[3] &&
externalRegs[1] + 1 != externalRegs[2] &&
externalRegs[1] + 1 != externalRegs[3] &&
externalRegs[1] + 1 == externalReg4 &&
externalRegs[2] != RegisterConsts.RegisterZeroIndex &&
externalRegs[3] != RegisterConsts.RegisterZeroIndex &&
externalReg4 != RegisterConsts.RegisterZeroIndex)
{
hasGetAddress = true;
function.Type = FunctionType.Unused;
break;
}
}
foreach (DecodedFunction function in program)
{
if (function.IsCompilerGenerated || function == program.MainFunction)
{
continue;
}
if (hasGetAddress)
{
TreeNode[] functionTree = BuildTree(function.Blocks);
if (MatchesFsi(_fsiBeginPatternTree, program, function, functionTree, externalRegs))
{
function.Type = FunctionType.BuiltInFSIBegin;
continue;
}
else if (MatchesFsi(_fsiEndPatternTree, program, function, functionTree, externalRegs))
{
function.Type = FunctionType.BuiltInFSIEnd;
continue;
}
}
}
}
