Core/GpuResource.h

   1 //
   2 // Copyright (c) Microsoft. All rights reserved.
   3 // This code is licensed under the MIT License (MIT).
   4 // THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
   5 // ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
   6 // IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
   7 // PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.
   8 //
   9 // Developed by Minigraph
  10 //
  11 // Author:  James Stanard
  12 //
  13
  14 #pragma once
  15
  16 class GpuResource
  17 {
  18     friend class CommandContext;
  19     friend class GraphicsContext;
  20     friend class ComputeContext;
  21
  22 public:
  23     GpuResource() :
  24         m_UsageState(D3D12_RESOURCE_STATE_COMMON),
  25         m_TransitioningState((D3D12_RESOURCE_STATES)-1),
  26         m_GpuVirtualAddress(D3D12_GPU_VIRTUAL_ADDRESS_NULL)
  27     {}
  28
  29     GpuResource(ID3D12Resource* pResource, D3D12_RESOURCE_STATES CurrentState) :
  30         m_pResource(pResource),
  31         m_UsageState(CurrentState),
  32         m_TransitioningState((D3D12_RESOURCE_STATES)-1),
  33         m_GpuVirtualAddress(D3D12_GPU_VIRTUAL_ADDRESS_NULL)
  34     {
  35     }
  36
  37     virtual void Destroy()
  38     {
  39         m_pResource = nullptr;
  40         m_GpuVirtualAddress = D3D12_GPU_VIRTUAL_ADDRESS_NULL;
  41     }
  42
  43     ID3D12Resource* operator->() { return m_pResource.Get(); }
  44     const ID3D12Resource* operator->() const { return m_pResource.Get(); }
  45
  46     ID3D12Resource* GetResource() { return m_pResource.Get(); }
  47     const ID3D12Resource* GetResource() const { return m_pResource.Get(); }
  48
  49     D3D12_GPU_VIRTUAL_ADDRESS GetGpuVirtualAddress() const { return m_GpuVirtualAddress; }
  50
  51 protected:
  52
  53     Microsoft::WRL::ComPtr<ID3D12Resource> m_pResource;
  54     D3D12_RESOURCE_STATES m_UsageState;
  55     D3D12_RESOURCE_STATES m_TransitioningState;
  56     D3D12_GPU_VIRTUAL_ADDRESS m_GpuVirtualAddress;
  57 };