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Shader/GlslWriter: Improve removal of unused code

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This commit is contained in:
Jérôme Leclercq
2022-02-27 18:42:41 +01:00
parent 55a5ae0648
commit fbae413620
4 changed files with 34 additions and 8 deletions
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11
include/Nazara/Shader/Ast/EliminateUnusedPassVisitor.hpp
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@@ -17,16 +17,23 @@ namespace Nz::ShaderAst
class NAZARA_SHADER_API EliminateUnusedPassVisitor : AstCloner
{
public:
struct Config;
EliminateUnusedPassVisitor() = default;
EliminateUnusedPassVisitor(const EliminateUnusedPassVisitor&) = delete;
EliminateUnusedPassVisitor(EliminateUnusedPassVisitor&&) = delete;
~EliminateUnusedPassVisitor() = default;
StatementPtr Process(Statement& statement);
StatementPtr Process(Statement& statement, const Config& config = {});
EliminateUnusedPassVisitor& operator=(const EliminateUnusedPassVisitor&) = delete;
EliminateUnusedPassVisitor& operator=(EliminateUnusedPassVisitor&&) = delete;
struct Config
{
ShaderStageTypeFlags usedShaderStages = ShaderStageType_All;
};
private:
using AstCloner::Clone;
StatementPtr Clone(DeclareExternalStatement& node) override;
@@ -42,7 +49,7 @@ namespace Nz::ShaderAst
Context* m_context;
};
inline StatementPtr EliminateUnusedPass(Statement& ast);
inline StatementPtr EliminateUnusedPass(Statement& ast, const EliminateUnusedPassVisitor::Config& config = {});
}
#include <Nazara/Shader/Ast/EliminateUnusedPassVisitor.inl>

4
include/Nazara/Shader/Ast/EliminateUnusedPassVisitor.inl
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@@ -7,10 +7,10 @@
namespace Nz::ShaderAst
{
inline StatementPtr EliminateUnusedPass(Statement& ast)
inline StatementPtr EliminateUnusedPass(Statement& ast, const EliminateUnusedPassVisitor::Config& config)
{
EliminateUnusedPassVisitor visitor;
return visitor.Process(ast);
return visitor.Process(ast, config);
}
}