Shader.h

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#pragma once
#include "Core/Graphics/Format.h"
#include "../../Memory.h"
#define ENUMSHIFT(n) (0x1 << n)
 
 
namespace Hubris::Graphics {
    enum class ShaderStage {
        Unknown, 
        Vertex = ENUMSHIFT(0),
        Fragment = ENUMSHIFT(1),
        Geometry = ENUMSHIFT(2),
        TessellationControl = ENUMSHIFT(3),
        TessellationEvaluation = ENUMSHIFT(4),
        Compute = ENUMSHIFT(5),
    };
        
    constexpr const char* VertexStageToString(const Hubris::Graphics::ShaderStage stage) noexcept {
        switch (stage)
        {
        case ShaderStage::Vertex:
            return "Vertex";
        case ShaderStage::Fragment:
            return "Fragment";
        case ShaderStage::Geometry:
            return "Geometry";
        case ShaderStage::TessellationControl:
            return "Tessellation Control";
        case ShaderStage::TessellationEvaluation:
            return "Tessallation Evaluation";
        case ShaderStage::Compute:
            return "Compute";
        case ShaderStage::Unknown:
            __fallthrough;
        default:
            return "Error/Unknown";
        }
    }
 
    class Shader {
    protected:
        ShaderStage stage = ShaderStage::Unknown;
        Shader(const ShaderStage& type) noexcept : stage(type) {};
    public:
        virtual void Destroy()noexcept = 0;
        virtual bool Valid()const noexcept {
            return stage != ShaderStage::Unknown;
        };
        static Handle<Shader> Create(const std::vector<char>& data, ShaderStage type);
    };
 
}