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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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35
include/Nazara/Shader/ShaderAstOptimizer.hpp
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@@ -12,35 +12,32 @@
#include <Nazara/Shader/ShaderAstCloner.hpp>
#include <vector>
namespace Nz
namespace Nz::ShaderAst
{
class ShaderAst;
class NAZARA_SHADER_API ShaderAstOptimizer : public ShaderAstCloner
class NAZARA_SHADER_API AstOptimizer : public AstCloner
{
public:
ShaderAstOptimizer() = default;
ShaderAstOptimizer(const ShaderAstOptimizer&) = delete;
ShaderAstOptimizer(ShaderAstOptimizer&&) = delete;
~ShaderAstOptimizer() = default;
AstOptimizer() = default;
AstOptimizer(const AstOptimizer&) = delete;
AstOptimizer(AstOptimizer&&) = delete;
~AstOptimizer() = default;
ShaderNodes::StatementPtr Optimise(const ShaderNodes::StatementPtr& statement);
ShaderNodes::StatementPtr Optimise(const ShaderNodes::StatementPtr& statement, const ShaderAst& shader, UInt64 enabledConditions);
StatementPtr Optimise(StatementPtr& statement);
StatementPtr Optimise(StatementPtr& statement, UInt64 enabledConditions);
ShaderAstOptimizer& operator=(const ShaderAstOptimizer&) = delete;
ShaderAstOptimizer& operator=(ShaderAstOptimizer&&) = delete;
AstOptimizer& operator=(const AstOptimizer&) = delete;
AstOptimizer& operator=(AstOptimizer&&) = delete;
protected:
using ShaderAstCloner::Visit;
void Visit(ShaderNodes::BinaryOp& node) override;
void Visit(ShaderNodes::Branch& node) override;
void Visit(ShaderNodes::ConditionalExpression& node) override;
void Visit(ShaderNodes::ConditionalStatement& node) override;
using AstCloner::Visit;
void Visit(BinaryExpression& node) override;
void Visit(ConditionalExpression& node) override;
void Visit(BranchStatement& node) override;
void Visit(ConditionalStatement& node) override;
template<ShaderNodes::BinaryType Type> void PropagateConstant(const std::shared_ptr<ShaderNodes::Constant>& lhs, const std::shared_ptr<ShaderNodes::Constant>& rhs);
template<BinaryType Type> void PropagateConstant(std::unique_ptr<ConstantExpression>&& lhs, std::unique_ptr<ConstantExpression>&& rhs);
private:
const ShaderAst* m_shaderAst;
UInt64 m_enabledConditions;
};
}