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Shader: Add Discard node

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This commit is contained in:
Jérôme Leclercq
2020-12-30 20:05:16 +01:00
parent a1c15a8c16
commit ed72d668d9
22 changed files with 162 additions and 0 deletions
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1
include/Nazara/Shader/GlslWriter.hpp
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@@ -73,6 +73,7 @@ namespace Nz
void Visit(ShaderNodes::ConditionalStatement& node) override;
void Visit(ShaderNodes::Constant& node) override;
void Visit(ShaderNodes::DeclareVariable& node) override;
void Visit(ShaderNodes::Discard& node) override;
void Visit(ShaderNodes::ExpressionStatement& node) override;
void Visit(ShaderNodes::Identifier& node) override;
void Visit(ShaderNodes::InputVariable& var) override;

1
include/Nazara/Shader/ShaderAstCloner.hpp
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@@ -42,6 +42,7 @@ namespace Nz
void Visit(ShaderNodes::ConditionalStatement& node) override;
void Visit(ShaderNodes::Constant& node) override;
void Visit(ShaderNodes::DeclareVariable& node) override;
void Visit(ShaderNodes::Discard& node) override;
void Visit(ShaderNodes::ExpressionStatement& node) override;
void Visit(ShaderNodes::Identifier& node) override;
void Visit(ShaderNodes::IntrinsicCall& node) override;

1
include/Nazara/Shader/ShaderAstRecursiveVisitor.hpp
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@@ -30,6 +30,7 @@ namespace Nz
void Visit(ShaderNodes::ConditionalStatement& node) override;
void Visit(ShaderNodes::Constant& node) override;
void Visit(ShaderNodes::DeclareVariable& node) override;
void Visit(ShaderNodes::Discard& node) override;
void Visit(ShaderNodes::ExpressionStatement& node) override;
void Visit(ShaderNodes::Identifier& node) override;
void Visit(ShaderNodes::IntrinsicCall& node) override;

1
include/Nazara/Shader/ShaderAstSerializer.hpp
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@@ -35,6 +35,7 @@ namespace Nz
void Serialize(ShaderNodes::ConditionalStatement& node);
void Serialize(ShaderNodes::Constant& node);
void Serialize(ShaderNodes::DeclareVariable& node);
void Serialize(ShaderNodes::Discard& node);
void Serialize(ShaderNodes::ExpressionStatement& node);
void Serialize(ShaderNodes::Identifier& node);
void Serialize(ShaderNodes::IntrinsicCall& node);

1
include/Nazara/Shader/ShaderAstVisitor.hpp
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@@ -31,6 +31,7 @@ namespace Nz
virtual void Visit(ShaderNodes::ConditionalStatement& node) = 0;
virtual void Visit(ShaderNodes::Constant& node) = 0;
virtual void Visit(ShaderNodes::DeclareVariable& node) = 0;
virtual void Visit(ShaderNodes::Discard& node) = 0;
virtual void Visit(ShaderNodes::ExpressionStatement& node) = 0;
virtual void Visit(ShaderNodes::Identifier& node) = 0;
virtual void Visit(ShaderNodes::IntrinsicCall& node) = 0;

1
include/Nazara/Shader/ShaderAstVisitorExcept.hpp
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@@ -26,6 +26,7 @@ namespace Nz
void Visit(ShaderNodes::ConditionalStatement& node) override;
void Visit(ShaderNodes::Constant& node) override;
void Visit(ShaderNodes::DeclareVariable& node) override;
void Visit(ShaderNodes::Discard& node) override;
void Visit(ShaderNodes::ExpressionStatement& node) override;
void Visit(ShaderNodes::Identifier& node) override;
void Visit(ShaderNodes::IntrinsicCall& node) override;

1
include/Nazara/Shader/ShaderBuilder.hpp
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@@ -54,6 +54,7 @@ namespace Nz::ShaderBuilder
constexpr GenBuilder<ShaderNodes::ConditionalStatement> ConditionalStatement;
constexpr GenBuilder<ShaderNodes::Constant> Constant;
constexpr GenBuilder<ShaderNodes::DeclareVariable> DeclareVariable;
constexpr GenBuilder<ShaderNodes::Discard> Discard;
constexpr BinOpBuilder<ShaderNodes::BinaryType::Divide> Divide;
constexpr BinOpBuilder<ShaderNodes::BinaryType::Equality> Equal;
constexpr GenBuilder<ShaderNodes::ExpressionStatement> ExprStatement;

1
include/Nazara/Shader/ShaderEnums.hpp
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@@ -81,6 +81,7 @@ namespace Nz::ShaderNodes
ConditionalExpression,
ConditionalStatement,
DeclareVariable,
Discard,
ExpressionStatement,
Identifier,
IntrinsicCall,

9
include/Nazara/Shader/ShaderNodes.hpp
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@@ -123,6 +123,15 @@ namespace Nz
static inline std::shared_ptr<DeclareVariable> Build(VariablePtr variable, ExpressionPtr expression = nullptr);
};
struct NAZARA_SHADER_API Discard : public Statement
{
inline Discard();
void Visit(ShaderAstVisitor& visitor) override;
static inline std::shared_ptr<Discard> Build();
};
struct NAZARA_SHADER_API Identifier : public Expression
{
inline Identifier();

11
include/Nazara/Shader/ShaderNodes.inl
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@@ -148,6 +148,17 @@ namespace Nz::ShaderNodes
}
inline Discard::Discard() :
Statement(NodeType::DeclareVariable)
{
}
inline std::shared_ptr<Discard> Discard::Build()
{
return std::make_shared<Discard>();
}
inline Identifier::Identifier() :
Expression(NodeType::Identifier)
{

1
include/Nazara/Shader/SpirvAstVisitor.hpp
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@@ -36,6 +36,7 @@ namespace Nz
void Visit(ShaderNodes::ConditionalStatement& node) override;
void Visit(ShaderNodes::Constant& node) override;
void Visit(ShaderNodes::DeclareVariable& node) override;
void Visit(ShaderNodes::Discard& node) override;
void Visit(ShaderNodes::ExpressionStatement& node) override;
void Visit(ShaderNodes::Identifier& node) override;
void Visit(ShaderNodes::IntrinsicCall& node) override;