kc3-lang/angle/src/common/winrt/IInspectableNativeWindow.h

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• Hash : 88d3b8cb
  Author :
  Date : 2014-10-08T10:41:56
  

  Added IInspectable EGLNativeWindowType and ICoreWindow support
  
  Change-Id: I6dd7fef72a73572d4a3deda7ce36a11da3a75c81
  Reviewed-on: https://chromium-review.googlesource.com/224366
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• src/common/winrt/IInspectableNativeWindow.h

• //
  // Copyright (c) 2002-2014 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  
  // IInspectableNativeWindow.h: Host specific implementation interface for
  // managing IInspectable native window types.
  
  #ifndef COMMON_IINSPECTABLENATIVEWINDOW_H_
  #define COMMON_IINSPECTABLENATIVEWINDOW_H_
  
  #include "common/platform.h"
  #include "common/NativeWindow.h"
  #include "angle_windowsstore.h"
  
  #include <windows.ui.xaml.h>
  #include <windows.ui.xaml.media.dxinterop.h>
  
  using namespace Microsoft::WRL;
  using namespace Microsoft::WRL::Wrappers;
  using namespace ABI::Windows::Foundation;
  using namespace ABI::Windows::Foundation::Collections;
  
  class IInspectableNativeWindow
  {
    public:
      virtual bool initialize(EGLNativeWindowType window, IPropertySet *propertySet) = 0;
      virtual HRESULT createSwapChain(ID3D11Device *device, DXGIFactory *factory, DXGI_FORMAT format, unsigned int width, unsigned int height, DXGISwapChain **swapChain) = 0;
      virtual bool registerForSizeChangeEvents() = 0;
      virtual void unregisterForSizeChangeEvents() = 0;
      virtual HRESULT scaleSwapChain(const SIZE& newSize) { return S_OK; }
  
      IInspectableNativeWindow() :
          mSupportsSwapChainResize(true),
          mRequiresSwapChainScaling(false),
          mClientRectChanged(false),
          mClientRect({0,0,0,0}),
          mNewClientRect({0,0,0,0})
      {
          mSizeChangedEventToken.value = 0;
      }
  
      virtual ~IInspectableNativeWindow(){}
  
      bool getClientRect(RECT *rect)
      {
          if (mClientRectChanged && mSupportsSwapChainResize)
          {
              mClientRect = mNewClientRect;
          }
  
          *rect = mClientRect;
  
          return true;
      }
  
      void setNewClientSize(const SIZE &newSize)
      {
          if (mSupportsSwapChainResize && !mRequiresSwapChainScaling)
          {
              mNewClientRect = { 0, 0, newSize.cx, newSize.cy };
              mClientRectChanged = true;
          }
  
          if (mRequiresSwapChainScaling)
          {
              scaleSwapChain(newSize);
          }
      }
  
  protected:
      bool mSupportsSwapChainResize;
      bool mRequiresSwapChainScaling;
      RECT mClientRect;
      RECT mNewClientRect;
      bool mClientRectChanged;
  
      EventRegistrationToken mSizeChangedEventToken;
  };
  
  bool isCoreWindow(EGLNativeWindowType window, ComPtr<ABI::Windows::UI::Core::ICoreWindow> *coreWindow = nullptr);
  bool isEGLConfiguredPropertySet(EGLNativeWindowType window, ABI::Windows::Foundation::Collections::IPropertySet **propertySet = nullptr, IInspectable **inspectable = nullptr);
  HRESULT getOptionalSizePropertyValue(const ComPtr<ABI::Windows::Foundation::Collections::IMap<HSTRING, IInspectable*>>& propertyMap, const wchar_t *propertyName, SIZE *value, bool *valueExists);
  
  #endif // COMMON_IINSPECTABLENATIVEWINDOW_H_
  

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