ht_d3d12deviceresources.h

#pragma once

#include <ht_platform.h>
#include <ht_directx.h>
#include <ht_d3d12rootlayout.h>

namespace Hatchit {
    namespace Graphics {

        namespace DX
        {
            class HT_API D3D12DeviceResources
            {
                static const int NUM_BUFFER_FRAMES = 2;
            public:
                D3D12DeviceResources();

                ~D3D12DeviceResources();

                void Present();
                void WaitForGpu();
                void ExecuteCommandList();
                void MoveToNextFrame();
                void ValidateDevice();
                bool Initialize(HWND hwnd, uint32_t width, uint32_t height);
                void Resize(uint32_t width, uint32_t height);
                
            
                ID3D12Device*               GetDevice();
                D3D12RootLayout*            GetRootLayout();
                IDXGISwapChain3*            GetSwapChain();
                ID3D12Resource*             GetRenderTarget();
                ID3D12Resource*             GetDepthStencil();
                ID3D12CommandAllocator*     GetCommandAllocator();
                ID3D12CommandQueue*         GetCommandQueue();
                ID3D12GraphicsCommandList*  GetCommandList();
                D3D12_VIEWPORT              GetScreenViewport();
                uint32_t                    GetCurrentFrameIndex();

                CD3DX12_CPU_DESCRIPTOR_HANDLE GetRenderTargetView();
                CD3DX12_CPU_DESCRIPTOR_HANDLE GetDepthStencilView();
            private:
                HWND                        m_hwnd;
                bool                        m_deviceRemoved;
                uint32_t                    m_currentFrame;
                ID3D12Fence*                m_fence;
                HANDLE                      m_fenceEvent;
                uint64_t                    m_fenceValues[NUM_BUFFER_FRAMES];
                uint64_t                    m_currentFence;

                D3D12_VIEWPORT              m_viewport;
                D3D12_RECT                  m_scissorRect;
                ID3D12Device*               m_device;
                D3D12RootLayoutHandle       m_rootLayout;
                IDXGISwapChain3*            m_swapChain;
                DXGI_SWAP_CHAIN_DESC        m_swapChainDesc;
                ID3D12CommandQueue*         m_commandQueue;
                ID3D12CommandAllocator*     m_commandAllocators[NUM_BUFFER_FRAMES];
                ID3D12GraphicsCommandList*  m_commandList;
                ID3D12Resource*             m_renderTargets[NUM_BUFFER_FRAMES];
                ID3D12Resource*             m_depthStencil;
                ID3D12DescriptorHeap*       m_renderTargetViewHeap;
                uint32_t                    m_renderTargetViewHeapSize;
                ID3D12DescriptorHeap*       m_depthStencilHeap;

            private:
                bool        CreateDeviceResources(HWND hwnd, uint32_t width, uint32_t height);
                HRESULT     CheckHardwareAdapter(IDXGIFactory2 * pFactory, IDXGIAdapter1 ** ppAdapter);
                void        DestroyDeviceResources();
                bool        CreateBuffers(uint32_t width, uint32_t height);
            };
        }
    }
}