Source code

/******************************************************************************
 *
 * Copyright (c) 2016 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer.
 *  
 * 2. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
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 *
 *
 *  D3D12BlendDesc.h
 *
 *****************************************************************************/

// 2016/09/25
#pragma once

#include <d3d12.h>

namespace SOL {

class D3D12BlendDesc {
private:
  D3D12_BLEND_DESC desc;
  D3D12_RENDER_TARGET_BLEND_DESC rtbDesc;
public:
  D3D12BlendDesc()
  {
    memset(&desc, 0, sizeof(desc));

    //D3D12_BLEND_DESC defaultRenderTargetBlendDesc
    //D3D12_RENDER_TARGET_BLEND_DESC rtbDesc;
    memset(&rtbDesc, 0, sizeof(rtbDesc));
      
    rtbDesc.BlendEnable    = FALSE; 
    rtbDesc.LogicOpEnable  = FALSE;
    rtbDesc.SrcBlend       = D3D12_BLEND_ONE; 
    rtbDesc.DestBlend      = D3D12_BLEND_ZERO; 
    rtbDesc.BlendOp        = D3D12_BLEND_OP_ADD;
    rtbDesc.SrcBlendAlpha  = D3D12_BLEND_ONE;
    rtbDesc.DestBlendAlpha = D3D12_BLEND_ZERO; 
    rtbDesc.BlendOpAlpha   = D3D12_BLEND_OP_ADD;
    rtbDesc.LogicOp        = D3D12_LOGIC_OP_NOOP;
    rtbDesc.RenderTargetWriteMask = D3D12_COLOR_WRITE_ENABLE_ALL;
     

    desc.AlphaToCoverageEnable  = false;
    desc.IndependentBlendEnable = false;
    for( UINT i=0; i<D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT; i++ ) { 
      desc.RenderTarget[i] = rtbDesc; 
    }
  }

public:
  D3D12BlendDesc(D3D12_RENDER_TARGET_BLEND_DESC rtbDesc)
  {
    memset(&desc, 0, sizeof(desc));

    desc.AlphaToCoverageEnable  = false;
    desc.IndependentBlendEnable = false;
    for( UINT i=0; i<D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT; ++i ) { 
      desc.RenderTarget[i] = rtbDesc; 
    }
  }

  operator D3D12_BLEND_DESC()
  {
    return desc;
  }
};

}