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102 lines
4.1 KiB
C++
102 lines
4.1 KiB
C++
#pragma once
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namespace DX
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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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DeviceResources();
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void SetWindow(Windows::UI::Core::CoreWindow^ window);
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void SetLogicalSize(Windows::Foundation::Size logicalSize);
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void SetCurrentOrientation(Windows::Graphics::Display::DisplayOrientations currentOrientation);
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void SetDpi(float dpi);
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void ValidateDevice();
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void HandleDeviceLost();
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void RegisterDeviceNotify(IDeviceNotify* deviceNotify);
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void Trim();
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void Present();
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// The size of the render target, in pixels.
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Windows::Foundation::Size GetOutputSize() const { return m_outputSize; }
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// The size of the render target, in dips.
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Windows::Foundation::Size GetLogicalSize() const { return m_logicalSize; }
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float GetDpi() const { return m_effectiveDpi; }
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float GetActualDpi() const { return m_dpi; }
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// D3D Accessors.
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ID3D11Device3* GetD3DDevice() const { return m_d3dDevice.Get(); }
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ID3D11DeviceContext3* GetD3DDeviceContext() const { return m_d3dContext.Get(); }
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IDXGISwapChain3* GetSwapChain() const { return m_swapChain.Get(); }
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D3D_FEATURE_LEVEL GetDeviceFeatureLevel() const { return m_d3dFeatureLevel; }
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ID3D11RenderTargetView1* GetBackBufferRenderTargetView() const { return m_d3dRenderTargetView.Get(); }
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D3D11_VIEWPORT GetScreenViewport() const { return m_screenViewport; }
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DirectX::XMFLOAT4X4 GetOrientationTransform3D() const { return m_orientationTransform3D; }
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// D2D Accessors.
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ID2D1Factory3* GetD2DFactory() const { return m_d2dFactory.Get(); }
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ID2D1Device2* GetD2DDevice() const { return m_d2dDevice.Get(); }
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ID2D1DeviceContext2* GetD2DDeviceContext() const { return m_d2dContext.Get(); }
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ID2D1Bitmap1* GetD2DTargetBitmap() const { return m_d2dTargetBitmap.Get(); }
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IDWriteFactory3* GetDWriteFactory() const { return m_dwriteFactory.Get(); }
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IWICImagingFactory2* GetWicImagingFactory() const { return m_wicFactory.Get(); }
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D2D1::Matrix3x2F GetOrientationTransform2D() const { return m_orientationTransform2D; }
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DXGI_MODE_ROTATION ComputeDisplayRotation();
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private:
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void CreateDeviceIndependentResources();
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void CreateDeviceResources();
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void CreateWindowSizeDependentResources();
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void UpdateRenderTargetSize();
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// Direct3D objects.
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Microsoft::WRL::ComPtr<ID3D11Device3> m_d3dDevice;
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Microsoft::WRL::ComPtr<ID3D11DeviceContext3> m_d3dContext;
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Microsoft::WRL::ComPtr<IDXGISwapChain3> m_swapChain;
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// Direct3D rendering objects. Required for 3D.
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Microsoft::WRL::ComPtr<ID3D11RenderTargetView1> m_d3dRenderTargetView;
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D3D11_VIEWPORT m_screenViewport;
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// Direct2D drawing components.
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Microsoft::WRL::ComPtr<ID2D1Factory3> m_d2dFactory;
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Microsoft::WRL::ComPtr<ID2D1Device2> m_d2dDevice;
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Microsoft::WRL::ComPtr<ID2D1DeviceContext2> 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<IDWriteFactory3> m_dwriteFactory;
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Microsoft::WRL::ComPtr<IWICImagingFactory2> m_wicFactory;
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// Cached reference to the Window.
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Platform::Agile<Windows::UI::Core::CoreWindow> m_window;
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// Cached device properties.
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D3D_FEATURE_LEVEL m_d3dFeatureLevel;
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Windows::Foundation::Size m_d3dRenderTargetSize;
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Windows::Foundation::Size m_outputSize;
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Windows::Foundation::Size m_logicalSize;
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Windows::Graphics::Display::DisplayOrientations m_nativeOrientation;
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Windows::Graphics::Display::DisplayOrientations m_currentOrientation;
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float m_dpi;
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// This is the DPI that will be reported back to the app. It takes into account whether the app supports high resolution screens or not.
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float m_effectiveDpi;
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// Transforms used for display orientation.
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D2D1::Matrix3x2F m_orientationTransform2D;
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DirectX::XMFLOAT4X4 m_orientationTransform3D;
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// The IDeviceNotify can be held directly as it owns the DeviceResources.
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IDeviceNotify* m_deviceNotify;
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};
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} |