public ShaderConfig(ShaderHeader header, TranslationFlags flags, TranslatorCallbacks callbacks) { Stage = header.Stage; OutputTopology = header.OutputTopology; MaxOutputVertices = header.MaxOutputVertexCount; OmapTargets = header.OmapTargets; OmapSampleMask = header.OmapSampleMask; OmapDepth = header.OmapDepth; Flags = flags; _callbacks = callbacks; }
public ShaderConfig(TranslationFlags flags, TranslatorCallbacks callbacks) { Stage = ShaderStage.Compute; OutputTopology = OutputTopology.PointList; MaxOutputVertices = 0; OmapTargets = null; OmapSampleMask = false; OmapDepth = false; Flags = flags; _callbacks = callbacks; }
public ShaderConfig(ShaderHeader header, TranslationFlags flags, TranslatorCallbacks callbacks) { Stage = header.Stage; OutputTopology = header.OutputTopology; MaxOutputVertices = header.MaxOutputVertexCount; LocalMemorySize = header.ShaderLocalMemoryLowSize + header.ShaderLocalMemoryHighSize; ImapTypes = header.ImapTypes; OmapTargets = header.OmapTargets; OmapSampleMask = header.OmapSampleMask; OmapDepth = header.OmapDepth; Flags = flags; _callbacks = callbacks; }
private static Operation[] DecodeShader( ReadOnlySpan <byte> code, TranslatorCallbacks callbacks, TranslationFlags flags, out ShaderConfig config, out int size) { Block[] cfg; if ((flags & TranslationFlags.Compute) != 0) { config = new ShaderConfig(flags, callbacks); cfg = Decoder.Decode(code, 0); } else { config = new ShaderConfig(new ShaderHeader(code), flags, callbacks); cfg = Decoder.Decode(code, HeaderSize); } if (cfg == null) { config.PrintLog("Invalid branch detected, failed to build CFG."); size = 0; return(Array.Empty <Operation>()); } EmitterContext context = new EmitterContext(config); ulong maxEndAddress = 0; for (int blkIndex = 0; blkIndex < cfg.Length; blkIndex++) { Block block = cfg[blkIndex]; if (maxEndAddress < block.EndAddress) { maxEndAddress = block.EndAddress; } context.CurrBlock = block; context.MarkLabel(context.GetLabel(block.Address)); for (int opIndex = 0; opIndex < block.OpCodes.Count; opIndex++) { OpCode op = block.OpCodes[opIndex]; if ((flags & TranslationFlags.DebugMode) != 0) { string instName; if (op.Emitter != null) { instName = op.Emitter.Method.Name; } else { instName = "???"; config.PrintLog($"Invalid instruction at 0x{op.Address:X6} (0x{op.RawOpCode:X16})."); } string dbgComment = $"0x{op.Address:X6}: 0x{op.RawOpCode:X16} {instName}"; context.Add(new CommentNode(dbgComment)); } if (op.NeverExecute) { continue; } Operand predSkipLbl = null; bool skipPredicateCheck = op is OpCodeBranch opBranch && !opBranch.PushTarget; if (op is OpCodeBranchPop opBranchPop) { // If the instruction is a SYNC or BRK instruction with only one // possible target address, then the instruction is basically // just a simple branch, we can generate code similar to branch // instructions, with the condition check on the branch itself. skipPredicateCheck = opBranchPop.Targets.Count < 2; } if (!(op.Predicate.IsPT || skipPredicateCheck)) { Operand label; if (opIndex == block.OpCodes.Count - 1 && block.Next != null) { label = context.GetLabel(block.Next.Address); } else { label = Label(); predSkipLbl = label; } Operand pred = Register(op.Predicate); if (op.InvertPredicate) { context.BranchIfTrue(label, pred); } else { context.BranchIfFalse(label, pred); } } context.CurrOp = op; op.Emitter?.Invoke(context); if (predSkipLbl != null) { context.MarkLabel(predSkipLbl); } } } size = (int)maxEndAddress + (((flags & TranslationFlags.Compute) != 0) ? 0 : HeaderSize); return(context.GetOperations()); }
public static ShaderProgram Translate(ReadOnlySpan <byte> vpACode, ReadOnlySpan <byte> vpBCode, TranslatorCallbacks callbacks, TranslationFlags flags) { Operation[] vpAOps = DecodeShader(vpACode, callbacks, flags, out _, out _); Operation[] vpBOps = DecodeShader(vpBCode, callbacks, flags, out ShaderConfig config, out int sizeB); return(Translate(Combine(vpAOps, vpBOps), config, sizeB)); }
public static ShaderProgram Translate(ReadOnlySpan <byte> code, TranslatorCallbacks callbacks, TranslationFlags flags) { Operation[] ops = DecodeShader(code, callbacks, flags, out ShaderConfig config, out int size); return(Translate(ops, config, size)); }