diff options
Diffstat (limited to 'Ryujinx.Graphics/Shader/StructuredIr/AstHelper.cs')
-rw-r--r-- | Ryujinx.Graphics/Shader/StructuredIr/AstHelper.cs | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/Ryujinx.Graphics/Shader/StructuredIr/AstHelper.cs b/Ryujinx.Graphics/Shader/StructuredIr/AstHelper.cs new file mode 100644 index 00000000..9d3148e1 --- /dev/null +++ b/Ryujinx.Graphics/Shader/StructuredIr/AstHelper.cs @@ -0,0 +1,73 @@ +using Ryujinx.Graphics.Shader.IntermediateRepresentation; + +namespace Ryujinx.Graphics.Shader.StructuredIr +{ + static class AstHelper + { + public static void AddUse(IAstNode node, IAstNode parent) + { + if (node is AstOperand operand && operand.Type == OperandType.LocalVariable) + { + operand.Uses.Add(parent); + } + } + + public static void AddDef(IAstNode node, IAstNode parent) + { + if (node is AstOperand operand && operand.Type == OperandType.LocalVariable) + { + operand.Defs.Add(parent); + } + } + + public static void RemoveUse(IAstNode node, IAstNode parent) + { + if (node is AstOperand operand && operand.Type == OperandType.LocalVariable) + { + operand.Uses.Remove(parent); + } + } + + public static void RemoveDef(IAstNode node, IAstNode parent) + { + if (node is AstOperand operand && operand.Type == OperandType.LocalVariable) + { + operand.Defs.Remove(parent); + } + } + + public static AstAssignment Assign(IAstNode destination, IAstNode source) + { + return new AstAssignment(destination, source); + } + + public static AstOperand Const(int value) + { + return new AstOperand(OperandType.Constant, value); + } + + public static AstOperand Local(VariableType type) + { + AstOperand local = new AstOperand(OperandType.LocalVariable); + + local.VarType = type; + + return local; + } + + public static IAstNode InverseCond(IAstNode cond) + { + return new AstOperation(Instruction.LogicalNot, cond); + } + + public static IAstNode Next(IAstNode node) + { + return node.LLNode.Next?.Value; + } + + public static IAstNode Previous(IAstNode node) + { + return node.LLNode.Previous?.Value; + } + } +}
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