text: /*     Copyright 2019 Diligent Graphics LLC
   *  
   *  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
   * 
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
   *
   *  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.
   */
  
  #include "pch.h"
  #include "TextureViewD3D12Impl.h"
  #include "DeviceContextD3D12Impl.h"
  
  namespace Diligent
  {
  
  TextureViewD3D12Impl::TextureViewD3D12Impl( IReferenceCounters*        pRefCounters,
                                              RenderDeviceD3D12Impl*     pDevice, 
                                              const TextureViewDesc&     ViewDesc, 
                                              ITexture*                  pTexture,
                                              DescriptorHeapAllocation&& Descriptor,
                                              DescriptorHeapAllocation&& TexArraySRVDescriptor,
                                              DescriptorHeapAllocation&& MipLevelUAVDescriptors,
                                              bool                       bIsDefaultView) :
      TTextureViewBase
      {
          pRefCounters,
          pDevice,
          ViewDesc,
          pTexture,
          bIsDefaultView
      },
      m_Descriptor{std::move(Descriptor)}
  {
      if (!TexArraySRVDescriptor.IsNull() && !MipLevelUAVDescriptors.IsNull())
      {
          m_MipGenerationDescriptors = ALLOCATE(GetRawAllocator(), "Raw memory for DescriptorHeapAllocation", DescriptorHeapAllocation, 2);
          new (&m_MipGenerationDescriptors[0])DescriptorHeapAllocation(std::move(TexArraySRVDescriptor));
          new (&m_MipGenerationDescriptors[1])DescriptorHeapAllocation(std::move(MipLevelUAVDescriptors));
      }
  }
  
  TextureViewD3D12Impl::~TextureViewD3D12Impl()
  {
      if (m_MipGenerationDescriptors != nullptr)
      {
          for (Uint32 i = 0; i < 2; ++i)
          {
              m_MipGenerationDescriptors[i].~DescriptorHeapAllocation();
          }
          FREE(GetRawAllocator(), m_MipGenerationDescriptors);
      }
  }
  
  IMPLEMENT_QUERY_INTERFACE( TextureViewD3D12Impl, IID_TextureViewD3D12, TTextureViewBase )
  
  }
  