tor-browser

The Tor Browser
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CompositorNativeWindow11.h (4187B)

      1 //
      2 // Copyright 2018 The ANGLE Project Authors. All rights reserved.
      3 // Use of this source code is governed by a BSD-style license that can be
      4 // found in the LICENSE file.
      5 //
      6 
      7 // CompositorNativeWindow11.h: Implementation of NativeWindow11 using Windows.UI.Composition APIs
      8 // which work in both Win32 and WinRT contexts.
      9 
     10 #ifndef LIBANGLE_RENDERER_D3D_D3D11_CONVERGED_COMPOSITORNATIVEWINDOW11_H_
     11 #define LIBANGLE_RENDERER_D3D_D3D11_CONVERGED_COMPOSITORNATIVEWINDOW11_H_
     12 
     13 #include "libANGLE/renderer/d3d/d3d11/NativeWindow11.h"
     14 
     15 #include <dispatcherqueue.h>
     16 #include <versionhelpers.h>
     17 #include <windows.foundation.metadata.h>
     18 #include <windows.ui.composition.h>
     19 #include <windows.ui.composition.interop.h>
     20 #include <wrl.h>
     21 
     22 namespace rx
     23 {
     24 
     25 class RoHelper
     26 {
     27  public:
     28    RoHelper();
     29    ~RoHelper();
     30    bool WinRtAvailable() const;
     31    bool SupportedWindowsRelease();
     32    HRESULT GetStringReference(PCWSTR source, HSTRING *act, HSTRING_HEADER *header);
     33    HRESULT GetActivationFactory(const HSTRING act, const IID &interfaceId, void **fac);
     34    HRESULT WindowsCompareStringOrdinal(HSTRING one, HSTRING two, int *result);
     35    HRESULT CreateDispatcherQueueController(
     36        DispatcherQueueOptions options,
     37        ABI::Windows::System::IDispatcherQueueController **dispatcherQueueController);
     38    HRESULT WindowsDeleteString(HSTRING one);
     39    HRESULT RoInitialize(RO_INIT_TYPE type);
     40    void RoUninitialize();
     41 
     42  private:
     43    using WindowsCreateStringReference_ = HRESULT __stdcall(PCWSTR,
     44                                                            UINT32,
     45                                                            HSTRING_HEADER *,
     46                                                            HSTRING *);
     47 
     48    using GetActivationFactory_ = HRESULT __stdcall(HSTRING, REFIID, void **);
     49 
     50    using WindowsCompareStringOrginal_ = HRESULT __stdcall(HSTRING, HSTRING, int *);
     51 
     52    using WindowsDeleteString_ = HRESULT __stdcall(HSTRING);
     53 
     54    using CreateDispatcherQueueController_ =
     55        HRESULT __stdcall(DispatcherQueueOptions,
     56                          ABI::Windows::System::IDispatcherQueueController **);
     57 
     58    using RoInitialize_   = HRESULT __stdcall(RO_INIT_TYPE);
     59    using RoUninitialize_ = void __stdcall();
     60 
     61    WindowsCreateStringReference_ *mFpWindowsCreateStringReference;
     62    GetActivationFactory_ *mFpGetActivationFactory;
     63    WindowsCompareStringOrginal_ *mFpWindowsCompareStringOrdinal;
     64    CreateDispatcherQueueController_ *mFpCreateDispatcherQueueController;
     65    WindowsDeleteString_ *mFpWindowsDeleteString;
     66    RoInitialize_ *mFpRoInitialize;
     67    RoUninitialize_ *mFpRoUninitialize;
     68 
     69    bool mWinRtAvailable;
     70    bool mWinRtInitialized;
     71 
     72    HMODULE mComBaseModule;
     73    HMODULE mCoreMessagingModule;
     74 };
     75 
     76 class CompositorNativeWindow11 : public NativeWindow11
     77 {
     78  public:
     79    CompositorNativeWindow11(EGLNativeWindowType window, bool hasAlpha);
     80    ~CompositorNativeWindow11() override;
     81 
     82    bool initialize() override;
     83    bool getClientRect(LPRECT rect) const override;
     84    bool isIconic() const override;
     85 
     86    HRESULT createSwapChain(ID3D11Device *device,
     87                            IDXGIFactory *factory,
     88                            DXGI_FORMAT format,
     89                            UINT width,
     90                            UINT height,
     91                            UINT samples,
     92                            IDXGISwapChain **swapChain) override;
     93 
     94    void commitChange() override;
     95 
     96    static bool IsValidNativeWindow(EGLNativeWindowType window);
     97 
     98    static bool IsSupportedWinRelease();
     99 
    100  private:
    101    static bool IsSpriteVisual(EGLNativeWindowType window);
    102 
    103    bool mHasAlpha;
    104 
    105    RoHelper mRoHelper;
    106 
    107    // Namespace prefix required here for some reason despite using namespace
    108    Microsoft::WRL::ComPtr<ABI::Windows::UI::Composition::ISpriteVisual> mHostVisual;
    109    Microsoft::WRL::ComPtr<ABI::Windows::UI::Composition::ICompositionBrush> mCompositionBrush;
    110    Microsoft::WRL::ComPtr<ABI::Windows::UI::Composition::ICompositionSurface> mSurface;
    111    Microsoft::WRL::ComPtr<ABI::Windows::UI::Composition::ICompositionSurfaceBrush> mSurfaceBrush;
    112 };
    113 
    114 }  // namespace rx
    115 
    116 #endif  // LIBANGLE_RENDERER_D3D_D3D11_CONVERGED_COMPOSITORNATIVEWINDOW11_H_