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Shader: Add support for while loops

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This commit is contained in:
Jérôme Leclercq
2021-12-16 23:10:58 +01:00
parent 07199301df
commit 0f9060c45b
22 changed files with 154 additions and 14 deletions
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1
include/Nazara/Shader/Ast/AstCloner.hpp
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@@ -67,6 +67,7 @@ namespace Nz::ShaderAst
virtual StatementPtr Clone(MultiStatement& node);
virtual StatementPtr Clone(NoOpStatement& node);
virtual StatementPtr Clone(ReturnStatement& node);
virtual StatementPtr Clone(WhileStatement& node);
#define NAZARA_SHADERAST_NODE(NodeType) void Visit(NodeType& node) override;
#include <Nazara/Shader/Ast/AstNodeList.hpp>

3
include/Nazara/Shader/Ast/AstNodeList.hpp
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@@ -55,7 +55,8 @@ NAZARA_SHADERAST_STATEMENT(DiscardStatement)
NAZARA_SHADERAST_STATEMENT(ExpressionStatement)
NAZARA_SHADERAST_STATEMENT(MultiStatement)
NAZARA_SHADERAST_STATEMENT(NoOpStatement)
NAZARA_SHADERAST_STATEMENT_LAST(ReturnStatement)
NAZARA_SHADERAST_STATEMENT(ReturnStatement)
NAZARA_SHADERAST_STATEMENT_LAST(WhileStatement)
#undef NAZARA_SHADERAST_EXPRESSION
#undef NAZARA_SHADERAST_NODE

1
include/Nazara/Shader/Ast/AstRecursiveVisitor.hpp
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@@ -49,6 +49,7 @@ namespace Nz::ShaderAst
void Visit(MultiStatement& node) override;
void Visit(NoOpStatement& node) override;
void Visit(ReturnStatement& node) override;
void Visit(WhileStatement& node) override;
};
}

1
include/Nazara/Shader/Ast/AstSerializer.hpp
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@@ -52,6 +52,7 @@ namespace Nz::ShaderAst
void Serialize(MultiStatement& node);
void Serialize(NoOpStatement& node);
void Serialize(ReturnStatement& node);
void Serialize(WhileStatement& node);
protected:
template<typename T> void Attribute(AttributeValue<T>& attribute);

9
include/Nazara/Shader/Ast/Nodes.hpp
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@@ -362,6 +362,15 @@ namespace Nz::ShaderAst
ExpressionPtr returnExpr;
};
struct NAZARA_SHADER_API WhileStatement : Statement
{
NodeType GetType() const override;
void Visit(AstStatementVisitor& visitor) override;
ExpressionPtr condition;
StatementPtr body;
};
inline const ShaderAst::ExpressionType& GetExpressionType(ShaderAst::Expression& expr);
inline bool IsExpression(NodeType nodeType);
inline bool IsStatement(NodeType nodeType);

1
include/Nazara/Shader/Ast/SanitizeVisitor.hpp
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@@ -74,6 +74,7 @@ namespace Nz::ShaderAst
StatementPtr Clone(DiscardStatement& node) override;
StatementPtr Clone(ExpressionStatement& node) override;
StatementPtr Clone(MultiStatement& node) override;
StatementPtr Clone(WhileStatement& node) override;
const Identifier* FindIdentifier(const std::string_view& identifierName) const;