DX11ConstantsMapper.h

#pragma once

#include "swGraphicAPI/Rendering/GraphicAPIConstants.h"
#include "DX11APIObjects.h"


extern D3D11_USAGE                          DX11ResourceUsage[ 4 ];
extern DXGI_FORMAT                          DX11ResourceFormat[ 133 ];
extern D3D_PRIMITIVE_TOPOLOGY               DX11PrimitiveTopology[ 9 ];
extern D3D11_BIND_FLAG                      DX11ResourceBinding[ 10 ];
extern D3D11_RTV_DIMENSION                  DX11TextureType[ 9 ];
extern DXGI_FORMAT                          DX11DepthStencilFormat[ 4 ];


extern D3D11_DSV_DIMENSION                  DX11TextureTypeToDSV[ 9 ];
extern D3D11_SRV_DIMENSION                  DX11TextureTypeToSRV[ 9 ];
extern DXGI_FORMAT                          DX11DepthStencilTypeless[ 4 ];
extern DXGI_FORMAT                          DX11DepthOnly[ 4 ];
extern DXGI_FORMAT                          DX11StencilOnly[ 4 ];
extern D3D11_FILL_MODE                      DX11FillMode[ 2 ];
extern D3D11_CULL_MODE                      DX11CullMode[ 3 ];

extern D3D11_BLEND                          DX11BlendFactor[ 12 ];
extern D3D11_BLEND_OP                       DX11BlendOperation[ 5 ];

class DX11ConstantsMapper
{
private:
public:
    DX11ConstantsMapper() = default;
    ~DX11ConstantsMapper() = default;


    static inline D3D11_USAGE               Get( ResourceUsage usage )          { return DX11ResourceUsage[ (int)usage ]; }
    static inline DXGI_FORMAT               Get( ResourceFormat format )        { return DX11ResourceFormat[ (int)format ]; }
    static inline D3D_PRIMITIVE_TOPOLOGY    Get( PrimitiveTopology topology )   { return DX11PrimitiveTopology[ (int)topology ]; }
    static inline D3D11_BIND_FLAG           Get( ResourceBinding binding )      { return DX11ResourceBinding[ (int)binding ]; }
    static inline D3D11_RTV_DIMENSION       Get( TextureType texType )          { return DX11TextureType[ (int)texType ]; }
    static inline DXGI_FORMAT               Get( DepthStencilFormat format )    { return DX11DepthStencilFormat[ (int)format ]; }
    static inline D3D11_FILL_MODE           Get( FillMode mode )                { return DX11FillMode[ (int)mode ]; }
    static inline D3D11_CULL_MODE           Get( CullMode mode )                { return DX11CullMode[ (int)mode ]; }
    static inline D3D11_BLEND               Get( BlendFactor factor )           { return DX11BlendFactor[ (int)factor ]; }
    static inline D3D11_BLEND_OP            Get( BlendOperation op )            { return DX11BlendOperation[ (int)op ]; }

    static ResourceFormat                   ConvertBack         ( DXGI_FORMAT );
    
    static inline D3D11_SRV_DIMENSION       ConvertSRV          ( TextureType texType )             { return DX11TextureTypeToSRV[ (int)texType ]; }
    static inline D3D11_DSV_DIMENSION       ConvertDSV          ( TextureType texType )             { return DX11TextureTypeToDSV[ (int)texType ]; }
    static inline DXGI_FORMAT               ConvertTypeless     ( DepthStencilFormat format )       { return DX11DepthStencilTypeless[ (int)format ]; }
    static inline DXGI_FORMAT               ConvertDepthOnly    ( DepthStencilFormat format )       { return DX11DepthOnly[ (int)format ]; }
    static inline DXGI_FORMAT               ConvertStencilOnly  ( DepthStencilFormat format )       { return DX11StencilOnly[ (int)format ]; }

    static size_t                           BitsPerPixel        ( DXGI_FORMAT fmt );
    static inline size_t                    BytesPerPixel       ( DXGI_FORMAT fmt )                 { return BitsPerPixel( fmt ) / 8; }
};