RasterizerState.h

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/*
 *  Copyright 2019-2021 Diligent Graphics LLC
 *  Copyright 2015-2019 Egor Yusov
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *  In no event and under no legal theory, whether in tort (including negligence), 
 *  contract, or otherwise, unless required by applicable law (such as deliberate 
 *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
 *  liable for any damages, including any direct, indirect, special, incidental, 
 *  or consequential damages of any character arising as a result of this License or 
 *  out of the use or inability to use the software (including but not limited to damages 
 *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
 *  all other commercial damages or losses), even if such Contributor has been advised 
 *  of the possibility of such damages.
 */
 
#pragma once
 
// clang-format off
 
 
#include "GraphicsTypes.h"
 
DILIGENT_BEGIN_NAMESPACE(Diligent)
 
 
 
DILIGENT_TYPED_ENUM(FILL_MODE, Int8)
{
    FILL_MODE_UNDEFINED = 0,
 
    FILL_MODE_WIREFRAME,    
 
    FILL_MODE_SOLID,        
 
    FILL_MODE_NUM_MODES     
};
 
 
DILIGENT_TYPED_ENUM(CULL_MODE, Int8)
{
    CULL_MODE_UNDEFINED = 0,
 
    CULL_MODE_NONE,
 
    CULL_MODE_FRONT,
 
    CULL_MODE_BACK,
 
    CULL_MODE_NUM_MODES
};
 
 
 
struct RasterizerStateDesc
{
    FILL_MODE FillMode              DEFAULT_INITIALIZER(FILL_MODE_SOLID);
 
    CULL_MODE CullMode              DEFAULT_INITIALIZER(CULL_MODE_BACK);
 
    Bool      FrontCounterClockwise DEFAULT_INITIALIZER(False);
 
    Bool      DepthClipEnable       DEFAULT_INITIALIZER(True);
 
    Bool      ScissorEnable         DEFAULT_INITIALIZER(False);
 
    Bool      AntialiasedLineEnable DEFAULT_INITIALIZER(False);
 
    Int32     DepthBias             DEFAULT_INITIALIZER(0);
 
    Float32   DepthBiasClamp        DEFAULT_INITIALIZER(0.f);
 
    Float32   SlopeScaledDepthBias  DEFAULT_INITIALIZER(0.f);
 
 
#if DILIGENT_CPP_INTERFACE
 
    RasterizerStateDesc()noexcept{}
 
    RasterizerStateDesc(FILL_MODE _FillMode,
                        CULL_MODE _CullMode,
                        Bool      _FrontCounterClockwise = RasterizerStateDesc{}.FrontCounterClockwise,
                        Bool      _DepthClipEnable       = RasterizerStateDesc{}.DepthClipEnable,
                        Bool      _ScissorEnable         = RasterizerStateDesc{}.ScissorEnable,
                        Bool      _AntialiasedLineEnable = RasterizerStateDesc{}.AntialiasedLineEnable,
                        Int32     _DepthBias             = RasterizerStateDesc{}.DepthBias,
                        Float32   _DepthBiasClamp        = RasterizerStateDesc{}.DepthBiasClamp,
                        Float32   _SlopeScaledDepthBias  = RasterizerStateDesc{}.SlopeScaledDepthBias)noexcept : 
        FillMode              {_FillMode             },
        CullMode              {_CullMode             },
        FrontCounterClockwise {_FrontCounterClockwise},
        DepthClipEnable       {_DepthClipEnable      },
        ScissorEnable         {_ScissorEnable        },
        AntialiasedLineEnable {_AntialiasedLineEnable},
        DepthBias             {_DepthBias            },
        DepthBiasClamp        {_DepthBiasClamp       },
        SlopeScaledDepthBias  {_SlopeScaledDepthBias }
    {
    }
 
 
    bool operator == (const RasterizerStateDesc& RHS)const
    {
        return  FillMode              == RHS.FillMode              &&
                CullMode              == RHS.CullMode              &&
                FrontCounterClockwise == RHS.FrontCounterClockwise &&
                DepthBias             == RHS.DepthBias             &&
                DepthBiasClamp        == RHS.DepthBiasClamp        &&
                SlopeScaledDepthBias  == RHS.SlopeScaledDepthBias  &&
                DepthClipEnable       == RHS.DepthClipEnable       &&
                ScissorEnable         == RHS.ScissorEnable         &&
                AntialiasedLineEnable == RHS.AntialiasedLineEnable;
    }
#endif
};
typedef struct RasterizerStateDesc RasterizerStateDesc;
 
DILIGENT_END_NAMESPACE