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Add conditional expression/statement support for shaders

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This commit is contained in:
Jérôme Leclercq
2020-11-19 13:56:54 +01:00
parent ad88561245
commit 960817a1f1
45 changed files with 996 additions and 56 deletions
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11
include/Nazara/Shader/ShaderAst.hpp
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@@ -20,6 +20,7 @@ namespace Nz
class NAZARA_SHADER_API ShaderAst
{
public:
struct Condition;
struct Function;
struct FunctionParameter;
struct InputOutput;
@@ -33,12 +34,16 @@ namespace Nz
ShaderAst(ShaderAst&&) noexcept = default;
~ShaderAst() = default;
void AddCondition(std::string name);
void AddFunction(std::string name, ShaderNodes::StatementPtr statement, std::vector<FunctionParameter> parameters = {}, ShaderNodes::BasicType returnType = ShaderNodes::BasicType::Void);
void AddInput(std::string name, ShaderExpressionType type, std::optional<std::size_t> locationIndex = {});
void AddOutput(std::string name, ShaderExpressionType type, std::optional<std::size_t> locationIndex = {});
void AddStruct(std::string name, std::vector<StructMember> members);
void AddUniform(std::string name, ShaderExpressionType type, std::optional<std::size_t> bindingIndex = {}, std::optional<ShaderNodes::MemoryLayout> memoryLayout = {});
inline const Condition& GetCondition(std::size_t i) const;
inline std::size_t GetConditionCount() const;
inline const std::vector<Condition>& GetConditions() const;
inline const Function& GetFunction(std::size_t i) const;
inline std::size_t GetFunctionCount() const;
inline const std::vector<Function>& GetFunctions() const;
@@ -59,6 +64,11 @@ namespace Nz
ShaderAst& operator=(const ShaderAst&) = default;
ShaderAst& operator=(ShaderAst&&) noexcept = default;
struct Condition
{
std::string name;
};
struct VariableBase
{
std::string name;
@@ -101,6 +111,7 @@ namespace Nz
};
private:
std::vector<Condition> m_conditions;
std::vector<Function> m_functions;
std::vector<InputOutput> m_inputs;
std::vector<InputOutput> m_outputs;