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Shader: Rename Optimize to ConstantPropagation

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This commit is contained in:
Jérôme Leclercq
2022-02-22 13:28:01 +01:00
parent 20a86312ff
commit 7ece44b4f4
11 changed files with 118 additions and 114 deletions
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74
include/Nazara/Shader/Ast/AstConstantPropagationVisitor.hpp Normal file
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// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Shader module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_SHADER_AST_ASTCONSTANTPROPAGATIONVISITOR_HPP
#define NAZARA_SHADER_AST_ASTCONSTANTPROPAGATIONVISITOR_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Shader/Config.hpp>
#include <Nazara/Shader/Ast/AstCloner.hpp>
#include <optional>
#include <unordered_map>
#include <vector>
namespace Nz::ShaderAst
{
class NAZARA_SHADER_API AstConstantPropagationVisitor : public AstCloner
{
public:
struct Options;
AstConstantPropagationVisitor() = default;
AstConstantPropagationVisitor(const AstConstantPropagationVisitor&) = delete;
AstConstantPropagationVisitor(AstConstantPropagationVisitor&&) = delete;
~AstConstantPropagationVisitor() = default;
inline ExpressionPtr Process(Expression& expression);
inline ExpressionPtr Process(Expression& expression, const Options& options);
inline StatementPtr Process(Statement& statement);
inline StatementPtr Process(Statement& statement, const Options& options);
AstConstantPropagationVisitor& operator=(const AstConstantPropagationVisitor&) = delete;
AstConstantPropagationVisitor& operator=(AstConstantPropagationVisitor&&) = delete;
struct Options
{
std::function<const ConstantValue&(std::size_t constantId)> constantQueryCallback;
};
protected:
ExpressionPtr Clone(BinaryExpression& node) override;
ExpressionPtr Clone(CastExpression& node) override;
ExpressionPtr Clone(ConditionalExpression& node) override;
ExpressionPtr Clone(ConstantExpression& node) override;
ExpressionPtr Clone(SwizzleExpression& node) override;
ExpressionPtr Clone(UnaryExpression& node) override;
StatementPtr Clone(BranchStatement& node) override;
StatementPtr Clone(ConditionalStatement& node) override;
template<BinaryType Type> ExpressionPtr PropagateBinaryConstant(const ConstantValueExpression& lhs, const ConstantValueExpression& rhs);
template<typename TargetType> ExpressionPtr PropagateSingleValueCast(const ConstantValueExpression& operand);
template<std::size_t TargetComponentCount> ExpressionPtr PropagateConstantSwizzle(const std::array<UInt32, 4>& components, const ConstantValueExpression& operand);
template<UnaryType Type> ExpressionPtr PropagateUnaryConstant(const ConstantValueExpression& operand);
template<typename TargetType> ExpressionPtr PropagateVec2Cast(TargetType v1, TargetType v2);
template<typename TargetType> ExpressionPtr PropagateVec3Cast(TargetType v1, TargetType v2, TargetType v3);
template<typename TargetType> ExpressionPtr PropagateVec4Cast(TargetType v1, TargetType v2, TargetType v3, TargetType v4);
StatementPtr Unscope(StatementPtr node);
private:
Options m_options;
};
inline ExpressionPtr PropagateConstants(Expression& expr);
inline ExpressionPtr PropagateConstants(Expression& expr, const AstConstantPropagationVisitor::Options& options);
inline StatementPtr PropagateConstants(Statement& ast);
inline StatementPtr PropagateConstants(Statement& ast, const AstConstantPropagationVisitor::Options& options);
}
#include <Nazara/Shader/Ast/AstConstantPropagationVisitor.inl>
#endif // NAZARA_SHADER_AST_ASTCONSTANTPROPAGATIONVISITOR_HPP