Compiler.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "CeresEngine/Material/ShaderCompiler/ShaderCompiler.hpp"
 
#include <array>
#include <chrono>
 
namespace CeresEngine::ShaderCompiler {
 
    // Compiler driver class.
    class Compiler {
    public:
        using Time = std::chrono::system_clock;
        using TimePoint = std::chrono::time_point<std::chrono::system_clock>;
 
        // Time points of all compiler stages.
        struct StageTimePoints {
            TimePoint preprocessor;
            TimePoint parser;
            TimePoint analyzer;
            TimePoint optimizer;
            TimePoint generation;
            TimePoint reflection;
        };
 
    private:
        Log* mLog = nullptr;
        StageTimePoints mTimePoints;
 
    public:
        explicit Compiler(Log* log = nullptr);
 
        bool compileShader(const ShaderInput& inputDesc, const ShaderOutput& outputDesc, Reflection::ReflectionData* reflectionData = nullptr,
            StageTimePoints* stageTimePoints = nullptr);
 
    private:
        bool returnWithError(const String& msg);
        void warning(const String& msg);
        void validateArguments(const ShaderInput& inputDesc, const ShaderOutput& outputDesc);
        bool compileShaderPrimary(const ShaderInput& inputDesc, const ShaderOutput& outputDesc, Reflection::ReflectionData* reflectionData);
    };
 
} // namespace CeresEngine::ShaderCompiler