PrimitiveTopology.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/DataTypes.hpp"
#include "CeresEngine/Macros.hpp"
 
#include "CeresEngine/Foundation/Hash.hpp"
#include "CeresEngine/Foundation/StructEnum.hpp"
 
#include <initializer_list>
 
namespace CeresEngine {
 
    struct PrimitiveTopology final : public StructEnum<PrimitiveTopology> {
        enum : UnderlyingType {
            Points,
 
            Lines,
 
            LineStrip,
 
            LineLoop,
 
            LineListAdjacency,
 
            LineStripAdjacency,
 
            Triangles,
 
            TriangleStrip,
 
            TriangleFan,
 
            TriangleListAdjacency,
 
            TriangleStripAdjacency,
 
            Patches,
        } raw;
 
        CE_STRUCT_ENUM_DECL(PrimitiveTopology)
 
        
        UInt32 getVertexCount() const noexcept;
 
        static inline const constexpr auto values = {
            PrimitiveTopology::Points,
            PrimitiveTopology::Lines,
            PrimitiveTopology::LineStrip,
            PrimitiveTopology::LineLoop,
            PrimitiveTopology::LineListAdjacency,
            PrimitiveTopology::LineStripAdjacency,
            PrimitiveTopology::Triangles,
            PrimitiveTopology::TriangleStrip,
            PrimitiveTopology::TriangleFan,
            PrimitiveTopology::TriangleListAdjacency,
            PrimitiveTopology::TriangleStripAdjacency,
            PrimitiveTopology::Patches,
        };
    };
 
} // namespace CeresEngine
 
template<> struct std::hash<CeresEngine::PrimitiveTopology> {
    inline size_t operator()(const CeresEngine::PrimitiveTopology object) const noexcept { return CeresEngine::hash(object.raw); }
};