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ShaderLang: Proof of concept (add support for a lot of things)

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This commit is contained in:
Jérôme Leclercq
2021-03-31 10:21:35 +02:00
parent 2a73005295
commit c1d1838336
37 changed files with 2259 additions and 908 deletions
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72
include/Nazara/Shader/ShaderBuilder.inl
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@@ -7,14 +7,24 @@
namespace Nz::ShaderBuilder
{
inline std::unique_ptr<ShaderAst::AssignExpression> Impl::Assign::operator()(ShaderAst::AssignType op, ShaderAst::ExpressionPtr left, ShaderAst::ExpressionPtr right) const
{
auto assignNode = std::make_unique<ShaderAst::AssignExpression>();
assignNode->op = op;
assignNode->left = std::move(left);
assignNode->right = std::move(right);
return assignNode;
}
inline std::unique_ptr<ShaderAst::BinaryExpression> Impl::Binary::operator()(ShaderAst::BinaryType op, ShaderAst::ExpressionPtr left, ShaderAst::ExpressionPtr right) const
{
auto constantNode = std::make_unique<ShaderAst::BinaryExpression>();
constantNode->op = op;
constantNode->left = std::move(left);
constantNode->right = std::move(right);
auto binaryNode = std::make_unique<ShaderAst::BinaryExpression>();
binaryNode->op = op;
binaryNode->left = std::move(left);
binaryNode->right = std::move(right);
return constantNode;
return binaryNode;
}
inline std::unique_ptr<ShaderAst::BranchStatement> Impl::Branch::operator()(ShaderAst::ExpressionPtr condition, ShaderAst::StatementPtr truePath, ShaderAst::StatementPtr falsePath) const
@@ -39,6 +49,18 @@ namespace Nz::ShaderBuilder
return branchNode;
}
inline std::unique_ptr<ShaderAst::CastExpression> Impl::Cast::operator()(ShaderAst::ExpressionType targetType, std::vector<ShaderAst::ExpressionPtr> expressions) const
{
auto castNode = std::make_unique<ShaderAst::CastExpression>();
castNode->targetType = std::move(targetType);
assert(expressions.size() <= castNode->expressions.size());
for (std::size_t i = 0; i < expressions.size(); ++i)
castNode->expressions[i] = std::move(expressions[i]);
return castNode;
}
inline std::unique_ptr<ShaderAst::ConstantExpression> Impl::Constant::operator()(ShaderConstantValue value) const
{
auto constantNode = std::make_unique<ShaderAst::ConstantExpression>();
@@ -47,7 +69,7 @@ namespace Nz::ShaderBuilder
return constantNode;
}
inline std::unique_ptr<ShaderAst::DeclareFunctionStatement> Impl::DeclareFunction::operator()(std::string name, std::vector<ShaderAst::DeclareFunctionStatement::Parameter> parameters, std::vector<ShaderAst::StatementPtr> statements, ShaderAst::ShaderExpressionType returnType) const
inline std::unique_ptr<ShaderAst::DeclareFunctionStatement> Impl::DeclareFunction::operator()(std::string name, std::vector<ShaderAst::DeclareFunctionStatement::Parameter> parameters, std::vector<ShaderAst::StatementPtr> statements, ShaderAst::ExpressionType returnType) const
{
auto declareFunctionNode = std::make_unique<ShaderAst::DeclareFunctionStatement>();
declareFunctionNode->name = std::move(name);
@@ -58,7 +80,7 @@ namespace Nz::ShaderBuilder
return declareFunctionNode;
}
inline std::unique_ptr<ShaderAst::DeclareFunctionStatement> Impl::DeclareFunction::operator()(std::vector<ShaderAst::Attribute> attributes, std::string name, std::vector<ShaderAst::DeclareFunctionStatement::Parameter> parameters, std::vector<ShaderAst::StatementPtr> statements, ShaderAst::ShaderExpressionType returnType) const
inline std::unique_ptr<ShaderAst::DeclareFunctionStatement> Impl::DeclareFunction::operator()(std::vector<ShaderAst::Attribute> attributes, std::string name, std::vector<ShaderAst::DeclareFunctionStatement::Parameter> parameters, std::vector<ShaderAst::StatementPtr> statements, ShaderAst::ExpressionType returnType) const
{
auto declareFunctionNode = std::make_unique<ShaderAst::DeclareFunctionStatement>();
declareFunctionNode->attributes = std::move(attributes);
@@ -70,7 +92,24 @@ namespace Nz::ShaderBuilder
return declareFunctionNode;
}
inline std::unique_ptr<ShaderAst::DeclareVariableStatement> Nz::ShaderBuilder::Impl::DeclareVariable::operator()(std::string name, ShaderAst::ShaderExpressionType type, ShaderAst::ExpressionPtr initialValue) const
inline std::unique_ptr<ShaderAst::DeclareStructStatement> Impl::DeclareStruct::operator()(ShaderAst::StructDescription description) const
{
auto declareStructNode = std::make_unique<ShaderAst::DeclareStructStatement>();
declareStructNode->description = std::move(description);
return declareStructNode;
}
inline std::unique_ptr<ShaderAst::DeclareStructStatement> Impl::DeclareStruct::operator()(std::vector<ShaderAst::Attribute> attributes, ShaderAst::StructDescription description) const
{
auto declareStructNode = std::make_unique<ShaderAst::DeclareStructStatement>();
declareStructNode->attributes = std::move(attributes);
declareStructNode->description = std::move(description);
return declareStructNode;
}
inline std::unique_ptr<ShaderAst::DeclareVariableStatement> Nz::ShaderBuilder::Impl::DeclareVariable::operator()(std::string name, ShaderAst::ExpressionType type, ShaderAst::ExpressionPtr initialValue) const
{
auto declareVariableNode = std::make_unique<ShaderAst::DeclareVariableStatement>();
declareVariableNode->varName = std::move(name);
@@ -80,6 +119,14 @@ namespace Nz::ShaderBuilder
return declareVariableNode;
}
inline std::unique_ptr<ShaderAst::ExpressionStatement> Impl::ExpressionStatement::operator()(ShaderAst::ExpressionPtr expression) const
{
auto expressionStatementNode = std::make_unique<ShaderAst::ExpressionStatement>();
expressionStatementNode->expression = std::move(expression);
return expressionStatementNode;
}
inline std::unique_ptr<ShaderAst::IdentifierExpression> Impl::Identifier::operator()(std::string name) const
{
auto identifierNode = std::make_unique<ShaderAst::IdentifierExpression>();
@@ -88,6 +135,15 @@ namespace Nz::ShaderBuilder
return identifierNode;
}
inline std::unique_ptr<ShaderAst::IntrinsicExpression> Impl::Intrinsic::operator()(ShaderAst::IntrinsicType intrinsicType, std::vector<ShaderAst::ExpressionPtr> parameters) const
{
auto intrinsicExpression = std::make_unique<ShaderAst::IntrinsicExpression>();
intrinsicExpression->intrinsic = intrinsicType;
intrinsicExpression->parameters = std::move(parameters);
return intrinsicExpression;
}
inline std::unique_ptr<ShaderAst::ReturnStatement> Impl::Return::operator()(ShaderAst::ExpressionPtr expr) const
{
auto returnNode = std::make_unique<ShaderAst::ReturnStatement>();