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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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60
src/Nazara/Shader/ShaderAstUtils.cpp
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@@ -5,69 +5,65 @@
#include <Nazara/Shader/ShaderAstUtils.hpp>
#include <Nazara/Shader/Debug.hpp>
namespace Nz
namespace Nz::ShaderAst
{
ShaderNodes::ExpressionCategory ShaderAstValueCategory::GetExpressionCategory(const ShaderNodes::ExpressionPtr& expression)
ExpressionCategory ShaderAstValueCategory::GetExpressionCategory(Expression& expression)
{
Visit(expression);
expression.Visit(*this);
return m_expressionCategory;
}
void ShaderAstValueCategory::Visit(ShaderNodes::AccessMember& node)
void ShaderAstValueCategory::Visit(AccessMemberExpression& node)
{
Visit(node.structExpr);
node.structExpr->Visit(*this);
}
void ShaderAstValueCategory::Visit(ShaderNodes::AssignOp& node)
void ShaderAstValueCategory::Visit(AssignExpression& /*node*/)
{
m_expressionCategory = ShaderNodes::ExpressionCategory::RValue;
m_expressionCategory = ExpressionCategory::RValue;
}
void ShaderAstValueCategory::Visit(ShaderNodes::BinaryOp& node)
void ShaderAstValueCategory::Visit(BinaryExpression& /*node*/)
{
m_expressionCategory = ShaderNodes::ExpressionCategory::RValue;
m_expressionCategory = ExpressionCategory::RValue;
}
void ShaderAstValueCategory::Visit(ShaderNodes::Cast& node)
void ShaderAstValueCategory::Visit(CastExpression& /*node*/)
{
m_expressionCategory = ShaderNodes::ExpressionCategory::RValue;
m_expressionCategory = ExpressionCategory::RValue;
}
void ShaderAstValueCategory::Visit(ShaderNodes::ConditionalExpression& node)
void ShaderAstValueCategory::Visit(ConditionalExpression& node)
{
Visit(node.truePath);
ShaderNodes::ExpressionCategory trueExprCategory = m_expressionCategory;
Visit(node.falsePath);
ShaderNodes::ExpressionCategory falseExprCategory = m_expressionCategory;
node.truePath->Visit(*this);
ExpressionCategory trueExprCategory = m_expressionCategory;
if (trueExprCategory == ShaderNodes::ExpressionCategory::RValue || falseExprCategory == ShaderNodes::ExpressionCategory::RValue)
m_expressionCategory = ShaderNodes::ExpressionCategory::RValue;
node.falsePath->Visit(*this);
ExpressionCategory falseExprCategory = m_expressionCategory;
if (trueExprCategory == ExpressionCategory::RValue || falseExprCategory == ExpressionCategory::RValue)
m_expressionCategory = ExpressionCategory::RValue;
else
m_expressionCategory = ShaderNodes::ExpressionCategory::LValue;
m_expressionCategory = ExpressionCategory::LValue;
}
void ShaderAstValueCategory::Visit(ShaderNodes::Constant& node)
void ShaderAstValueCategory::Visit(ConstantExpression& /*node*/)
{
m_expressionCategory = ShaderNodes::ExpressionCategory::RValue;
m_expressionCategory = ExpressionCategory::RValue;
}
void ShaderAstValueCategory::Visit(ShaderNodes::Identifier& node)
void ShaderAstValueCategory::Visit(IdentifierExpression& /*node*/)
{
m_expressionCategory = ShaderNodes::ExpressionCategory::LValue;
m_expressionCategory = ExpressionCategory::LValue;
}
void ShaderAstValueCategory::Visit(ShaderNodes::IntrinsicCall& node)
void ShaderAstValueCategory::Visit(IntrinsicExpression& /*node*/)
{
m_expressionCategory = ShaderNodes::ExpressionCategory::RValue;
m_expressionCategory = ExpressionCategory::RValue;
}
void ShaderAstValueCategory::Visit(ShaderNodes::Sample2D& node)
void ShaderAstValueCategory::Visit(SwizzleExpression& node)
{
m_expressionCategory = ShaderNodes::ExpressionCategory::RValue;
}
void ShaderAstValueCategory::Visit(ShaderNodes::SwizzleOp& node)
{
Visit(node.expression);
node.expression->Visit(*this);
}
}