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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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19
include/Nazara/Shader/GlslWriter.hpp
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@@ -28,7 +28,7 @@ namespace Nz
GlslWriter(GlslWriter&&) = delete;
~GlslWriter() = default;
std::string Generate(ShaderAst::StatementPtr& shader, const States& conditions = {});
std::string Generate(ShaderStageType shaderStage, ShaderAst::StatementPtr& shader, const States& conditions = {});
void SetEnv(Environment environment);
@@ -44,17 +44,26 @@ namespace Nz
static const char* GetFlipYUniformName();
private:
void Append(ShaderAst::ShaderExpressionType type);
void Append(const ShaderAst::ExpressionType& type);
void Append(ShaderAst::BuiltinEntry builtin);
void Append(ShaderAst::BasicType type);
void Append(const ShaderAst::IdentifierType& identifierType);
void Append(const ShaderAst::MatrixType& matrixType);
void Append(ShaderAst::MemoryLayout layout);
void Append(ShaderAst::NoType);
void Append(ShaderAst::PrimitiveType type);
void Append(const ShaderAst::SamplerType& samplerType);
void Append(const ShaderAst::UniformType& uniformType);
void Append(const ShaderAst::VectorType& vecType);
template<typename T> void Append(const T& param);
template<typename T1, typename T2, typename... Args> void Append(const T1& firstParam, const T2& secondParam, Args&&... params);
void AppendCommentSection(const std::string& section);
void AppendEntryPoint(ShaderStageType shaderStage);
void AppendField(std::size_t scopeId, const std::string& structName, const std::string* memberIdentifier, std::size_t remainingMembers);
void AppendLine(const std::string& txt = {});
template<typename... Args> void AppendLine(Args&&... params);
void EnterScope();
void LeaveScope();
void LeaveScope(bool skipLine = true);
void Visit(ShaderAst::ExpressionPtr& expr, bool encloseIfRequired = false);
@@ -70,7 +79,9 @@ namespace Nz
void Visit(ShaderAst::BranchStatement& node) override;
void Visit(ShaderAst::ConditionalStatement& node) override;
void Visit(ShaderAst::DeclareExternalStatement& node) override;
void Visit(ShaderAst::DeclareFunctionStatement& node) override;
void Visit(ShaderAst::DeclareStructStatement& node) override;
void Visit(ShaderAst::DeclareVariableStatement& node) override;
void Visit(ShaderAst::DiscardStatement& node) override;
void Visit(ShaderAst::ExpressionStatement& node) override;