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//
// Copyright (c) 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.
//
// SwapChainPanelNativeWindow.h: NativeWindow for managing ISwapChainPanel native window types.
#ifndef LIBANGLE_RENDERER_D3D_D3D11_WINRT_SWAPCHAINPANELNATIVEWINDOW_H_
#define LIBANGLE_RENDERER_D3D_D3D11_WINRT_SWAPCHAINPANELNATIVEWINDOW_H_
#include "libANGLE/renderer/d3d/d3d11/winrt/InspectableNativeWindow.h"
namespace rx
{
class SwapChainPanelNativeWindow : public InspectableNativeWindow, public std::enable_shared_from_this<SwapChainPanelNativeWindow>
{
public:
~SwapChainPanelNativeWindow();
bool initialize(EGLNativeWindowType window, IPropertySet *propertySet) override;
HRESULT createSwapChain(ID3D11Device *device,
DXGIFactory *factory,
DXGI_FORMAT format,
unsigned int width,
unsigned int height,
bool containsAlpha,
DXGISwapChain **swapChain) override;
protected:
HRESULT scaleSwapChain(const Size &windowSize, const RECT &clientRect) override;
bool registerForSizeChangeEvents();
void unregisterForSizeChangeEvents();
private:
ComPtr<ABI::Windows::UI::Xaml::Controls::ISwapChainPanel> mSwapChainPanel;
ComPtr<ABI::Windows::UI::Core::ICoreDispatcher> mSwapChainPanelDispatcher;
ComPtr<IMap<HSTRING, IInspectable*>> mPropertyMap;
ComPtr<DXGISwapChain> mSwapChain;
};
[uuid(8ACBD974-8187-4508-AD80-AEC77F93CF36)]
class SwapChainPanelSizeChangedHandler :
public Microsoft::WRL::RuntimeClass<Microsoft::WRL::RuntimeClassFlags<Microsoft::WRL::ClassicCom>, ABI::Windows::UI::Xaml::ISizeChangedEventHandler>
{
public:
SwapChainPanelSizeChangedHandler() { }
HRESULT RuntimeClassInitialize(std::shared_ptr<InspectableNativeWindow> host)
{
if (!host)
{
return E_INVALIDARG;
}
mHost = host;
return S_OK;
}
// ISizeChangedEventHandler
IFACEMETHOD(Invoke)(IInspectable *sender, ABI::Windows::UI::Xaml::ISizeChangedEventArgs *sizeChangedEventArgs)
{
std::shared_ptr<InspectableNativeWindow> host = mHost.lock();
if (host)
{
// The size of the ISwapChainPanel control is returned in DIPs.
// We are keeping these in dips because the swapchain created for composition
// also uses dip units. This keeps dimensions, viewports, etc in the same unit.
// XAML Clients of the ISwapChainPanel are required to use dips to define their
// layout sizes as well.
ABI::Windows::Foundation::Size newSize;
HRESULT result = sizeChangedEventArgs->get_NewSize(&newSize);
if (SUCCEEDED(result))
{
host->setNewClientSize(newSize);
}
}
return S_OK;
}
private:
std::weak_ptr<InspectableNativeWindow> mHost;
};
HRESULT GetSwapChainPanelSize(
const ComPtr<ABI::Windows::UI::Xaml::Controls::ISwapChainPanel> &swapChainPanel,
const ComPtr<ABI::Windows::UI::Core::ICoreDispatcher> &dispatcher,
SIZE *windowSize, float *scaleFactor);
}
#endif // LIBANGLE_RENDERER_D3D_D3D11_WINRT_SWAPCHAINPANELNATIVEWINDOW_H_
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