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Shader: Handle type as expressions

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This commit is contained in:
Jérôme Leclercq
2022-02-08 17:03:34 +01:00
parent 5ce8120a0c
commit 402e16bd2b
53 changed files with 1746 additions and 1141 deletions
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23
include/Nazara/Shader/ShaderBuilder.hpp
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@@ -50,13 +50,14 @@ namespace Nz::ShaderBuilder
struct CallFunction
{
inline std::unique_ptr<ShaderAst::CallFunctionExpression> operator()(std::string functionName, std::vector<ShaderAst::ExpressionPtr> parameters) const;
inline std::unique_ptr<ShaderAst::CallFunctionExpression> operator()(ShaderAst::ExpressionPtr functionExpr, std::vector<ShaderAst::ExpressionPtr> parameters) const;
};
struct Cast
{
inline std::unique_ptr<ShaderAst::CastExpression> operator()(ShaderAst::ExpressionType targetType, ShaderAst::ExpressionPtr expression) const;
inline std::unique_ptr<ShaderAst::CastExpression> operator()(ShaderAst::ExpressionType targetType, std::array<ShaderAst::ExpressionPtr, 4> expressions) const;
inline std::unique_ptr<ShaderAst::CastExpression> operator()(ShaderAst::ExpressionType targetType, std::vector<ShaderAst::ExpressionPtr> expressions) const;
inline std::unique_ptr<ShaderAst::CastExpression> operator()(ShaderAst::ExpressionValue<ShaderAst::ExpressionType> targetType, ShaderAst::ExpressionPtr expression) const;
inline std::unique_ptr<ShaderAst::CastExpression> operator()(ShaderAst::ExpressionValue<ShaderAst::ExpressionType> targetType, std::array<ShaderAst::ExpressionPtr, 4> expressions) const;
inline std::unique_ptr<ShaderAst::CastExpression> operator()(ShaderAst::ExpressionValue<ShaderAst::ExpressionType> targetType, std::vector<ShaderAst::ExpressionPtr> expressions) const;
};
struct ConditionalExpression
@@ -78,20 +79,20 @@ namespace Nz::ShaderBuilder
struct DeclareConst
{
inline std::unique_ptr<ShaderAst::DeclareConstStatement> operator()(std::string name, ShaderAst::ExpressionPtr initialValue) const;
inline std::unique_ptr<ShaderAst::DeclareConstStatement> operator()(std::string name, ShaderAst::ExpressionType type, ShaderAst::ExpressionPtr initialValue = nullptr) const;
inline std::unique_ptr<ShaderAst::DeclareConstStatement> operator()(std::string name, ShaderAst::ExpressionValue<ShaderAst::ExpressionType> type, ShaderAst::ExpressionPtr initialValue = nullptr) const;
};
struct DeclareFunction
{
inline std::unique_ptr<ShaderAst::DeclareFunctionStatement> operator()(std::string name, ShaderAst::StatementPtr statement) const;
inline std::unique_ptr<ShaderAst::DeclareFunctionStatement> operator()(std::string name, std::vector<ShaderAst::DeclareFunctionStatement::Parameter> parameters, std::vector<ShaderAst::StatementPtr> statements, ShaderAst::ExpressionType returnType = ShaderAst::NoType{}) const;
inline std::unique_ptr<ShaderAst::DeclareFunctionStatement> operator()(std::string name, std::vector<ShaderAst::DeclareFunctionStatement::Parameter> parameters, std::vector<ShaderAst::StatementPtr> statements, ShaderAst::ExpressionValue<ShaderAst::ExpressionType> returnType = ShaderAst::ExpressionType{ ShaderAst::NoType{} }) const;
inline std::unique_ptr<ShaderAst::DeclareFunctionStatement> operator()(std::optional<ShaderStageType> entryStage, std::string name, ShaderAst::StatementPtr statement) const;
inline std::unique_ptr<ShaderAst::DeclareFunctionStatement> operator()(std::optional<ShaderStageType> entryStage, std::string name, std::vector<ShaderAst::DeclareFunctionStatement::Parameter> parameters, std::vector<ShaderAst::StatementPtr> statements, ShaderAst::ExpressionType returnType = ShaderAst::NoType{}) const;
inline std::unique_ptr<ShaderAst::DeclareFunctionStatement> operator()(std::optional<ShaderStageType> entryStage, std::string name, std::vector<ShaderAst::DeclareFunctionStatement::Parameter> parameters, std::vector<ShaderAst::StatementPtr> statements, ShaderAst::ExpressionValue<ShaderAst::ExpressionType> returnType = ShaderAst::ExpressionType{ ShaderAst::NoType{} }) const;
};
struct DeclareOption
{
inline std::unique_ptr<ShaderAst::DeclareOptionStatement> operator()(std::string name, ShaderAst::ExpressionType type, ShaderAst::ExpressionPtr initialValue = nullptr) const;
inline std::unique_ptr<ShaderAst::DeclareOptionStatement> operator()(std::string name, ShaderAst::ExpressionValue<ShaderAst::ExpressionType> type, ShaderAst::ExpressionPtr initialValue = nullptr) const;
};
struct DeclareStruct
@@ -102,7 +103,7 @@ namespace Nz::ShaderBuilder
struct DeclareVariable
{
inline std::unique_ptr<ShaderAst::DeclareVariableStatement> operator()(std::string name, ShaderAst::ExpressionPtr initialValue) const;
inline std::unique_ptr<ShaderAst::DeclareVariableStatement> operator()(std::string name, ShaderAst::ExpressionType type, ShaderAst::ExpressionPtr initialValue = nullptr) const;
inline std::unique_ptr<ShaderAst::DeclareVariableStatement> operator()(std::string name, ShaderAst::ExpressionValue<ShaderAst::ExpressionType> type, ShaderAst::ExpressionPtr initialValue = nullptr) const;
};
struct ExpressionStatement
@@ -147,6 +148,11 @@ namespace Nz::ShaderBuilder
inline std::unique_ptr<ShaderAst::ReturnStatement> operator()(ShaderAst::ExpressionPtr expr = nullptr) const;
};
struct Scoped
{
inline std::unique_ptr<ShaderAst::ScopedStatement> operator()(ShaderAst::StatementPtr statement) const;
};
struct Swizzle
{
inline std::unique_ptr<ShaderAst::SwizzleExpression> operator()(ShaderAst::ExpressionPtr expression, std::array<UInt32, 4> swizzleComponents, std::size_t componentCount) const;
@@ -194,6 +200,7 @@ namespace Nz::ShaderBuilder
constexpr Impl::Multi MultiStatement;
constexpr Impl::NoParam<ShaderAst::NoOpStatement> NoOp;
constexpr Impl::Return Return;
constexpr Impl::Scoped Scoped;
constexpr Impl::Swizzle Swizzle;
constexpr Impl::Unary Unary;
constexpr Impl::Variable Variable;