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Rework shader AST (WIP)

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This commit is contained in:
Jérôme Leclercq
2021-03-10 11:18:13 +01:00
parent b320b5b44e
commit fed7370e77
73 changed files with 2721 additions and 4312 deletions
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90
include/Nazara/Shader/ShaderAstCloner.hpp
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@@ -9,70 +9,62 @@
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Shader/Config.hpp>
#include <Nazara/Shader/ShaderAstVisitor.hpp>
#include <Nazara/Shader/ShaderVarVisitor.hpp>
#include <Nazara/Shader/ShaderAstExpressionVisitor.hpp>
#include <Nazara/Shader/ShaderAstStatementVisitor.hpp>
#include <vector>
namespace Nz
namespace Nz::ShaderAst
{
class NAZARA_SHADER_API ShaderAstCloner : public ShaderAstVisitor, public ShaderVarVisitor
class NAZARA_SHADER_API AstCloner : public AstExpressionVisitor, public AstStatementVisitor
{
public:
ShaderAstCloner() = default;
ShaderAstCloner(const ShaderAstCloner&) = delete;
ShaderAstCloner(ShaderAstCloner&&) = delete;
~ShaderAstCloner() = default;
AstCloner() = default;
AstCloner(const AstCloner&) = delete;
AstCloner(AstCloner&&) = delete;
~AstCloner() = default;
ShaderNodes::StatementPtr Clone(const ShaderNodes::StatementPtr& statement);
ExpressionPtr Clone(ExpressionPtr& statement);
StatementPtr Clone(StatementPtr& statement);
ShaderAstCloner& operator=(const ShaderAstCloner&) = delete;
ShaderAstCloner& operator=(ShaderAstCloner&&) = delete;
AstCloner& operator=(const AstCloner&) = delete;
AstCloner& operator=(AstCloner&&) = delete;
protected:
ShaderNodes::ExpressionPtr CloneExpression(const ShaderNodes::ExpressionPtr& expr);
ShaderNodes::StatementPtr CloneStatement(const ShaderNodes::StatementPtr& statement);
ShaderNodes::VariablePtr CloneVariable(const ShaderNodes::VariablePtr& statement);
ExpressionPtr CloneExpression(ExpressionPtr& expr);
StatementPtr CloneStatement(StatementPtr& statement);
using ShaderAstVisitor::Visit;
void Visit(ShaderNodes::AccessMember& node) override;
void Visit(ShaderNodes::AssignOp& node) override;
void Visit(ShaderNodes::BinaryOp& node) override;
void Visit(ShaderNodes::Branch& node) override;
void Visit(ShaderNodes::Cast& node) override;
void Visit(ShaderNodes::ConditionalExpression& node) override;
void Visit(ShaderNodes::ConditionalStatement& node) override;
void Visit(ShaderNodes::Constant& node) override;
void Visit(ShaderNodes::DeclareVariable& node) override;
void Visit(ShaderNodes::Discard& node) override;
void Visit(ShaderNodes::ExpressionStatement& node) override;
void Visit(ShaderNodes::Identifier& node) override;
void Visit(ShaderNodes::IntrinsicCall& node) override;
void Visit(ShaderNodes::NoOp& node) override;
void Visit(ShaderNodes::ReturnStatement& node) override;
void Visit(ShaderNodes::Sample2D& node) override;
void Visit(ShaderNodes::StatementBlock& node) override;
void Visit(ShaderNodes::SwizzleOp& node) override;
using AstExpressionVisitor::Visit;
using AstStatementVisitor::Visit;
using ShaderVarVisitor::Visit;
void Visit(ShaderNodes::BuiltinVariable& var) override;
void Visit(ShaderNodes::InputVariable& var) override;
void Visit(ShaderNodes::LocalVariable& var) override;
void Visit(ShaderNodes::OutputVariable& var) override;
void Visit(ShaderNodes::ParameterVariable& var) override;
void Visit(ShaderNodes::UniformVariable& var) override;
void Visit(AccessMemberExpression& node) override;
void Visit(AssignExpression& node) override;
void Visit(BinaryExpression& node) override;
void Visit(CastExpression& node) override;
void Visit(ConditionalExpression& node) override;
void Visit(ConstantExpression& node) override;
void Visit(IdentifierExpression& node) override;
void Visit(IntrinsicExpression& node) override;
void Visit(SwizzleExpression& node) override;
void Visit(BranchStatement& node) override;
void Visit(ConditionalStatement& node) override;
void Visit(DeclareFunctionStatement& node) override;
void Visit(DeclareStructStatement& node) override;
void Visit(DeclareVariableStatement& node) override;
void Visit(DiscardStatement& node) override;
void Visit(ExpressionStatement& node) override;
void Visit(MultiStatement& node) override;
void Visit(NoOpStatement& node) override;
void Visit(ReturnStatement& node) override;
void PushExpression(ShaderNodes::ExpressionPtr expression);
void PushStatement(ShaderNodes::StatementPtr statement);
void PushVariable(ShaderNodes::VariablePtr variable);
void PushExpression(ExpressionPtr expression);
void PushStatement(StatementPtr statement);
ShaderNodes::ExpressionPtr PopExpression();
ShaderNodes::StatementPtr PopStatement();
ShaderNodes::VariablePtr PopVariable();
ExpressionPtr PopExpression();
StatementPtr PopStatement();
private:
std::vector<ShaderNodes::ExpressionPtr> m_expressionStack;
std::vector<ShaderNodes::StatementPtr> m_statementStack;
std::vector<ShaderNodes::VariablePtr> m_variableStack;
std::vector<ExpressionPtr> m_expressionStack;
std::vector<StatementPtr> m_statementStack;
};
}