RasterizerState.h

#pragma once

#include "swCommonLib/Common/ObjectDeleter.h"
#include "ResourceObject.h"


struct RasterizerStateInfo
{
    CullMode        CullMode;
    FillMode        FillMode;
    int             DepthBias;
    bool            IsClockwise;
    bool            EnableScissor;
    bool            EnableZClipping;            
    bool            ConservativeRasterizer;     


// ================================ //
//
    RasterizerStateInfo()
        :   CullMode( CullMode::Back )
        ,   FillMode( FillMode::Solid )
        ,   DepthBias( 0 )
        ,   IsClockwise( false )
        ,   EnableScissor( false )
        ,   EnableZClipping( true )
        ,   ConservativeRasterizer( false )
    {}

#define Compare( x ) if( x != other.x ) return false;


    bool    operator==  ( const RasterizerStateInfo& other ) const
    {
        Compare( CullMode );
        Compare( FillMode );
        Compare( DepthBias );
        Compare( IsClockwise );
        Compare( EnableScissor );
        Compare( EnableZClipping );
        Compare( ConservativeRasterizer );
        return true;
    }

#undef Compare
};




class RasterizerState : public ResourceObject
{
    RTTR_ENABLE( ResourceObject );
    friend ObjectDeleter< RasterizerState >;
private:
protected:
    virtual         ~RasterizerState() = default;
public:
    explicit        RasterizerState()
        :   ResourceObject( 0 )
    {}


    virtual const RasterizerStateInfo&      GetDescriptor   () = 0;
};