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Shader: Implement const if and const values

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This commit is contained in:
Jérôme Leclercq
2021-07-07 21:38:23 +02:00
parent d679eccb43
commit 1f6937ab1b
28 changed files with 315 additions and 60 deletions
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27
include/Nazara/Shader/ShaderBuilder.inl
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@@ -57,7 +57,8 @@ namespace Nz::ShaderBuilder
return binaryNode;
}
inline std::unique_ptr<ShaderAst::BranchStatement> Impl::Branch::operator()(ShaderAst::ExpressionPtr condition, ShaderAst::StatementPtr truePath, ShaderAst::StatementPtr falsePath) const
template<bool Const>
std::unique_ptr<ShaderAst::BranchStatement> Impl::Branch<Const>::operator()(ShaderAst::ExpressionPtr condition, ShaderAst::StatementPtr truePath, ShaderAst::StatementPtr falsePath) const
{
auto branchNode = std::make_unique<ShaderAst::BranchStatement>();
@@ -66,15 +67,18 @@ namespace Nz::ShaderBuilder
condStatement.statement = std::move(truePath);
branchNode->elseStatement = std::move(falsePath);
branchNode->isConst = Const;
return branchNode;
}
inline std::unique_ptr<ShaderAst::BranchStatement> Impl::Branch::operator()(std::vector<ShaderAst::BranchStatement::ConditionalStatement> condStatements, ShaderAst::StatementPtr elseStatement) const
template<bool Const>
std::unique_ptr<ShaderAst::BranchStatement> Impl::Branch<Const>::operator()(std::vector<ShaderAst::BranchStatement::ConditionalStatement> condStatements, ShaderAst::StatementPtr elseStatement) const
{
auto branchNode = std::make_unique<ShaderAst::BranchStatement>();
branchNode->condStatements = std::move(condStatements);
branchNode->elseStatement = std::move(elseStatement);
branchNode->isConst = Const;
return branchNode;
}
@@ -136,6 +140,25 @@ namespace Nz::ShaderBuilder
return constantNode;
}
inline std::unique_ptr<ShaderAst::DeclareConstStatement> Impl::DeclareConst::operator()(std::string name, ShaderAst::ExpressionPtr initialValue) const
{
auto declareConstNode = std::make_unique<ShaderAst::DeclareConstStatement>();
declareConstNode->name = std::move(name);
declareConstNode->expression = std::move(initialValue);
return declareConstNode;
}
inline std::unique_ptr<ShaderAst::DeclareConstStatement> Impl::DeclareConst::operator()(std::string name, ShaderAst::ExpressionType type, ShaderAst::ExpressionPtr initialValue) const
{
auto declareConstNode = std::make_unique<ShaderAst::DeclareConstStatement>();
declareConstNode->name = std::move(name);
declareConstNode->type = std::move(type);
declareConstNode->expression = std::move(initialValue);
return declareConstNode;
}
inline std::unique_ptr<ShaderAst::DeclareFunctionStatement> Impl::DeclareFunction::operator()(std::string name, ShaderAst::StatementPtr statement) const
{
auto declareFunctionNode = std::make_unique<ShaderAst::DeclareFunctionStatement>();