130 lines
No EOL
4.4 KiB
C#
130 lines
No EOL
4.4 KiB
C#
using Ryujinx.Graphics.Shader.IntermediateRepresentation;
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using Ryujinx.Graphics.Shader.StructuredIr;
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using System;
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using static Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions.InstGenHelper;
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using static Ryujinx.Graphics.Shader.StructuredIr.InstructionInfo;
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namespace Ryujinx.Graphics.Shader.CodeGen.Glsl.Instructions
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{
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static class InstGen
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{
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public static string GetExpression(CodeGenContext context, IAstNode node)
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{
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if (node is AstOperation operation)
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{
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return GetExpression(context, operation);
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}
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else if (node is AstOperand operand)
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{
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return context.OperandManager.GetExpression(operand, context.Config.Stage);
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}
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throw new ArgumentException($"Invalid node type \"{node?.GetType().Name ?? "null"}\".");
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}
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private static string GetExpression(CodeGenContext context, AstOperation operation)
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{
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Instruction inst = operation.Inst;
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InstInfo info = GetInstructionInfo(inst);
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if ((info.Type & InstType.Call) != 0)
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{
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int arity = (int)(info.Type & InstType.ArityMask);
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string args = string.Empty;
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for (int argIndex = 0; argIndex < arity; argIndex++)
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{
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if (argIndex != 0)
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{
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args += ", ";
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}
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VariableType dstType = GetSrcVarType(inst, argIndex);
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args += GetSoureExpr(context, operation.GetSource(argIndex), dstType);
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}
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return info.OpName + "(" + args + ")";
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}
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else if ((info.Type & InstType.Op) != 0)
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{
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string op = info.OpName;
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int arity = (int)(info.Type & InstType.ArityMask);
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string[] expr = new string[arity];
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for (int index = 0; index < arity; index++)
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{
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IAstNode src = operation.GetSource(index);
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string srcExpr = GetSoureExpr(context, src, GetSrcVarType(inst, index));
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bool isLhs = arity == 2 && index == 0;
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expr[index] = Enclose(srcExpr, src, inst, info, isLhs);
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}
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switch (arity)
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{
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case 0:
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return op;
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case 1:
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return op + expr[0];
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case 2:
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return $"{expr[0]} {op} {expr[1]}";
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case 3:
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return $"{expr[0]} {op[0]} {expr[1]} {op[1]} {expr[2]}";
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}
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}
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else if ((info.Type & InstType.Special) != 0)
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{
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switch (inst)
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{
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case Instruction.ImageStore:
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return InstGenMemory.ImageStore(context, operation);
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case Instruction.LoadAttribute:
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return InstGenMemory.LoadAttribute(context, operation);
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case Instruction.LoadConstant:
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return InstGenMemory.LoadConstant(context, operation);
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case Instruction.LoadLocal:
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return InstGenMemory.LoadLocal(context, operation);
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case Instruction.LoadStorage:
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return InstGenMemory.LoadStorage(context, operation);
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case Instruction.PackHalf2x16:
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return InstGenPacking.PackHalf2x16(context, operation);
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case Instruction.StoreLocal:
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return InstGenMemory.StoreLocal(context, operation);
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case Instruction.StoreStorage:
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return InstGenMemory.StoreStorage(context, operation);
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case Instruction.TextureSample:
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return InstGenMemory.TextureSample(context, operation);
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case Instruction.TextureSize:
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return InstGenMemory.TextureSize(context, operation);
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case Instruction.UnpackHalf2x16:
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return InstGenPacking.UnpackHalf2x16(context, operation);
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}
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}
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return "0";
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throw new InvalidOperationException($"Unexpected instruction type \"{info.Type}\".");
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}
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}
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} |