129 lines
5.4 KiB
C++
129 lines
5.4 KiB
C++
//// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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//// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
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//// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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//// PARTICULAR PURPOSE.
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////
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//// Copyright (c) Microsoft Corporation. All rights reserved
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#pragma once
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#include "FontLoader.h"
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#include "DirectXHelper.h" // For ThrowIfFailed
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// Setup Auto initializer for COM for the WIC Factory used in the DeviceResources.
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struct AutoCoInitialize
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{
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AutoCoInitialize()
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{
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DX::ThrowIfFailed(CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED));
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}
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~AutoCoInitialize()
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{
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CoUninitialize();
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}
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};
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// Provides an interface for an application that owns DeviceResources to be notified of the device being lost or created.
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interface IDeviceNotify
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{
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virtual void OnDeviceLost() = 0;
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virtual void OnDeviceRestored() = 0;
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};
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// Controls all the DirectX device resources.
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class DeviceResources
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{
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public:
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typedef struct {
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float X;
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float Y;
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float Width;
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float Height;
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} Rect;
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typedef struct {
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float Width;
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float Height;
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} Size;
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DeviceResources();
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void CreateDeviceIndependentResources();
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void CreateDeviceResources();
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void CreateWindowSizeDependentResources();
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void SetWindow(HWND window, float dpi);
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void SetLogicalSize(Size& logicalSize);
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void SetDpi(float dpi);
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void ValidateDevice();
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void RegisterDeviceNotify(IDeviceNotify* handler);
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void HandleDeviceLost();
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void Trim();
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bool Present();
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// Private Font handling.
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void LoadFonts(std::wstring path);
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IDWriteFontCollection* GetFontCollection();
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// Device Accessors.
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Size GetOutputSize() const { return m_outputSize; }
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Size GetLogicalSize() const { return m_logicalSize; }
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float GetDpi() const { return m_dpi; }
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// D3D Accessors.
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ID3D11Device2* GetD3DDevice() const { return m_d3dDevice.Get(); }
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ID3D11DeviceContext2* GetD3DDeviceContext() const { return m_d3dContext.Get(); }
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IDXGISwapChain1* GetSwapChain() const { return m_swapChain.Get(); }
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D3D_FEATURE_LEVEL GetDeviceFeatureLevel() const { return m_d3dFeatureLevel; }
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ID3D11RenderTargetView* GetBackBufferRenderTargetView() const { return m_d3dRenderTargetView.Get(); }
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ID3D11DepthStencilView* GetDepthStencilView() const { return m_d3dDepthStencilView.Get(); }
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D3D11_VIEWPORT GetScreenViewport() const { return m_screenViewport; }
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IDXGIFactory2* GetDxgiFactory() const;
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// D2D Accessors.
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ID2D1Factory2* GetD2DFactory() const { return m_d2dFactory.Get(); }
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ID2D1Device1* GetD2DDevice() const { return m_d2dDevice.Get(); }
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ID2D1DeviceContext1* GetD2DDeviceContext() const { return m_d2dContext.Get(); }
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ID2D1Bitmap1* GetD2DTargetBitmap() const { return m_d2dTargetBitmap.Get(); }
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IDWriteFactory2* GetDWriteFactory() const { return m_dwriteFactory.Get(); }
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IWICImagingFactory2* GetWicImagingFactory() const { return m_wicFactory.Get(); }
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private:
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// Initializer for COM for WIC Factory.
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AutoCoInitialize m_comHelper;
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// Direct3D objects.
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Microsoft::WRL::ComPtr<ID3D11Device2> m_d3dDevice;
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Microsoft::WRL::ComPtr<ID3D11DeviceContext2> m_d3dContext;
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Microsoft::WRL::ComPtr<IDXGISwapChain1> m_swapChain;
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// Direct3D rendering objects. Required for 3D.
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Microsoft::WRL::ComPtr<ID3D11RenderTargetView> m_d3dRenderTargetView;
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Microsoft::WRL::ComPtr<ID3D11DepthStencilView> m_d3dDepthStencilView;
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D3D11_VIEWPORT m_screenViewport;
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// Direct2D drawing components.
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Microsoft::WRL::ComPtr<ID2D1Factory2> m_d2dFactory;
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Microsoft::WRL::ComPtr<ID2D1Device1> m_d2dDevice;
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Microsoft::WRL::ComPtr<ID2D1DeviceContext1> m_d2dContext;
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Microsoft::WRL::ComPtr<ID2D1Bitmap1> m_d2dTargetBitmap;
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// DirectWrite drawing components.
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Microsoft::WRL::ComPtr<IDWriteFactory2> m_dwriteFactory;
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Microsoft::WRL::ComPtr<IWICImagingFactory2> m_wicFactory;
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// Loader of font files accessible within this document.
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Microsoft::WRL::ComPtr<FontLoader> m_fontLoader;
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// Collection of all app fonts.
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Microsoft::WRL::ComPtr<IDWriteFontCollection> m_fontCollection;
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// Cached HWND
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HWND m_hWnd;
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// Cached device properties.
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D3D_FEATURE_LEVEL m_d3dFeatureLevel;
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Size m_d3dRenderTargetSize;
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Size m_outputSize;
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Size m_logicalSize;
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float m_dpi;
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IDeviceNotify* m_deviceNotify;
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}; |