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Shader/Modules: proof of concept

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This commit is contained in:
Jérôme Leclercq
2022-03-05 04:07:18 +01:00
parent 7dab1d735f
commit 43ac86e85c
29 changed files with 667 additions and 192 deletions
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62
include/Nazara/Shader/Ast/IndexRemapperVisitor.hpp Normal file
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@@ -0,0 +1,62 @@
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Shader module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_SHADER_AST_INDEXREMAPPER_HPP
#define NAZARA_SHADER_AST_INDEXREMAPPER_HPP
#include <Nazara/Prerequisites.hpp>
#include <Nazara/Shader/Config.hpp>
#include <Nazara/Shader/Ast/AstCloner.hpp>
#include <functional>
namespace Nz::ShaderAst
{
class NAZARA_SHADER_API IndexRemapperVisitor : public AstCloner
{
public:
struct Callbacks;
IndexRemapperVisitor() = default;
IndexRemapperVisitor(const IndexRemapperVisitor&) = delete;
IndexRemapperVisitor(IndexRemapperVisitor&&) = delete;
~IndexRemapperVisitor() = default;
StatementPtr Clone(Statement& statement, const Callbacks& callbacks);
IndexRemapperVisitor& operator=(const IndexRemapperVisitor&) = delete;
IndexRemapperVisitor& operator=(IndexRemapperVisitor&&) = delete;
struct Callbacks
{
std::function<std::size_t(std::size_t previousIndex)> constIndexGenerator;
std::function<std::size_t(std::size_t previousIndex)> funcIndexGenerator;
std::function<std::size_t(std::size_t previousIndex) > structIndexGenerator;
//std::function<std::size_t()> typeIndexGenerator;
std::function<std::size_t(std::size_t previousIndex)> varIndexGenerator;
};
private:
StatementPtr Clone(DeclareConstStatement& node) override;
StatementPtr Clone(DeclareExternalStatement& node) override;
StatementPtr Clone(DeclareFunctionStatement& node) override;
StatementPtr Clone(DeclareStructStatement& node) override;
StatementPtr Clone(DeclareVariableStatement& node) override;
ExpressionPtr Clone(CallFunctionExpression& node) override;
ExpressionPtr Clone(VariableExpression& node) override;
void HandleType(ExpressionValue<ExpressionType>& exprType);
struct Context;
Context* m_context;
};
inline StatementPtr RemapIndices(Statement& statement, const IndexRemapperVisitor::Callbacks& callbacks);
}
#include <Nazara/Shader/Ast/IndexRemapperVisitor.inl>
#endif // NAZARA_SHADER_AST_INDEXREMAPPER_HPP

17
include/Nazara/Shader/Ast/IndexRemapperVisitor.inl Normal file
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@@ -0,0 +1,17 @@
// Copyright (C) 2022 Jérôme "Lynix" Leclercq (lynix680@gmail.com)
// This file is part of the "Nazara Engine - Shader module"
// For conditions of distribution and use, see copyright notice in Config.hpp
#include <Nazara/Shader/Ast/IndexRemapperVisitor.hpp>
#include <Nazara/Shader/Debug.hpp>
namespace Nz::ShaderAst
{
StatementPtr RemapIndices(Statement& statement, const IndexRemapperVisitor::Callbacks& callbacks)
{
IndexRemapperVisitor visitor;
return visitor.Clone(statement, callbacks);
}
}
#include <Nazara/Shader/DebugOff.hpp>

11
include/Nazara/Shader/Ast/Nodes.hpp
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@@ -250,6 +250,7 @@ namespace Nz::ShaderAst
void Visit(AstStatementVisitor& visitor) override;
std::optional<std::size_t> constIndex;
std::optional<bool> hidden;
std::string name;
ExpressionValue<ExpressionType> type;
ExpressionPtr expression;
@@ -269,8 +270,9 @@ namespace Nz::ShaderAst
ExpressionValue<ExpressionType> type;
};
ExpressionValue<UInt32> bindingSet;
std::vector<ExternalVar> externalVars;
std::optional<bool> hidden;
ExpressionValue<UInt32> bindingSet;
};
struct NAZARA_SHADER_API DeclareFunctionStatement : Statement
@@ -280,12 +282,13 @@ namespace Nz::ShaderAst
struct Parameter
{
std::string name;
ExpressionValue<ExpressionType> type;
std::optional<std::size_t> varIndex;
std::string name;
};
std::optional<std::size_t> funcIndex;
std::optional<std::size_t> varIndex;
std::optional<bool> hidden;
std::string name;
std::vector<Parameter> parameters;
std::vector<StatementPtr> statements;
@@ -301,6 +304,7 @@ namespace Nz::ShaderAst
void Visit(AstStatementVisitor& visitor) override;
std::optional<std::size_t> optIndex;
std::optional<bool> hidden;
std::string optName;
ExpressionPtr defaultValue;
ExpressionValue<ExpressionType> optType;
@@ -312,6 +316,7 @@ namespace Nz::ShaderAst
void Visit(AstStatementVisitor& visitor) override;
std::optional<std::size_t> structIndex;
std::optional<bool> hidden;
ExpressionValue<bool> isExported;
StructDescription description;
};

16
include/Nazara/Shader/Ast/SanitizeVisitor.hpp
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@@ -13,6 +13,7 @@
#include <Nazara/Shader/Ast/AstCloner.hpp>
#include <Nazara/Shader/Ast/AstTypes.hpp>
#include <Nazara/Shader/Ast/Module.hpp>
#include <functional>
#include <unordered_map>
#include <unordered_set>
#include <vector>
@@ -41,6 +42,7 @@ namespace Nz::ShaderAst
struct Options
{
std::function<ModulePtr(const std::vector<std::string>& /*modulePath*/)> moduleCallback;
std::unordered_set<std::string> reservedIdentifiers;
std::unordered_map<std::size_t, ConstantValue> optionValues;
bool makeVariableNameUnique = false;
@@ -112,13 +114,13 @@ namespace Nz::ShaderAst
void PropagateFunctionFlags(std::size_t funcIndex, FunctionFlags flags, Bitset<>& seen);
void RegisterBuiltin();
std::size_t RegisterConstant(std::string name, ConstantValue value, std::optional<std::size_t> index = {});
std::size_t RegisterFunction(std::string name, FunctionData funcData, std::optional<std::size_t> index = {});
std::size_t RegisterIntrinsic(std::string name, IntrinsicType type, std::optional<std::size_t> index = {});
std::size_t RegisterStruct(std::string name, StructDescription* description, std::optional<std::size_t> index = {});
std::size_t RegisterType(std::string name, ExpressionType expressionType, std::optional<std::size_t> index = {});
std::size_t RegisterType(std::string name, PartialType partialType, std::optional<std::size_t> index = {});
std::size_t RegisterVariable(std::string name, ExpressionType type, std::optional<std::size_t> index = {});
std::size_t RegisterConstant(std::string name, ConstantValue value, bool hidden = false, std::optional<std::size_t> index = {});
std::size_t RegisterFunction(std::string name, FunctionData funcData, bool hidden = false, std::optional<std::size_t> index = {});
std::size_t RegisterIntrinsic(std::string name, IntrinsicType type, bool hidden = false, std::optional<std::size_t> index = {});
std::size_t RegisterStruct(std::string name, StructDescription* description, bool hidden = false, std::optional<std::size_t> index = {});
std::size_t RegisterType(std::string name, ExpressionType expressionType, bool hidden = false, std::optional<std::size_t> index = {});
std::size_t RegisterType(std::string name, PartialType partialType, bool hidden = false, std::optional<std::size_t> index = {});
std::size_t RegisterVariable(std::string name, ExpressionType type, bool hidden = false, std::optional<std::size_t> index = {});
void ResolveFunctions();
const ExpressionPtr& ResolveCondExpression(ConditionalExpression& node);