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Shader: Add support for custom functions calls (and better handle intrinsics)

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This commit is contained in:
Jérôme Leclercq
2021-05-22 13:37:54 +02:00
parent 8a6f0db034
commit f6fd996bf1
24 changed files with 777 additions and 356 deletions
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6
include/Nazara/Shader/ShaderBuilder.hpp
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@@ -38,6 +38,11 @@ namespace Nz::ShaderBuilder
inline std::unique_ptr<ShaderAst::BranchStatement> operator()(std::vector<ShaderAst::BranchStatement::ConditionalStatement> condStatements, ShaderAst::StatementPtr elseStatement = nullptr) const;
};
struct CallFunction
{
inline std::unique_ptr<ShaderAst::CallFunctionExpression> operator()(std::string functionName, std::vector<ShaderAst::ExpressionPtr> parameters) const;
};
struct Cast
{
inline std::unique_ptr<ShaderAst::CastExpression> operator()(ShaderAst::ExpressionType targetType, std::array<ShaderAst::ExpressionPtr, 4> expressions) const;
@@ -133,6 +138,7 @@ namespace Nz::ShaderBuilder
constexpr Impl::Assign Assign;
constexpr Impl::Binary Binary;
constexpr Impl::Branch Branch;
constexpr Impl::CallFunction CallFunction;
constexpr Impl::Cast Cast;
constexpr Impl::ConditionalExpression ConditionalExpression;
constexpr Impl::ConditionalStatement ConditionalStatement;