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Shader/AstOptimizer: Add swizzle optimization

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Jérôme Leclercq
2021-12-28 20:09:04 +01:00
parent 22651255df
commit 101a3d70da
5 changed files with 378 additions and 0 deletions
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include/Nazara/Shader/Ast/AstOptimizer.hpp
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@@ -44,12 +44,14 @@ namespace Nz::ShaderAst
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);