diff options
Diffstat (limited to 'src/3rdparty/angle/src/common/winrt/CoreWindowNativeWindow.cpp')
-rw-r--r-- | src/3rdparty/angle/src/common/winrt/CoreWindowNativeWindow.cpp | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/common/winrt/CoreWindowNativeWindow.cpp b/src/3rdparty/angle/src/common/winrt/CoreWindowNativeWindow.cpp new file mode 100644 index 0000000000..9b65c15625 --- /dev/null +++ b/src/3rdparty/angle/src/common/winrt/CoreWindowNativeWindow.cpp @@ -0,0 +1,200 @@ +// +// 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. +// + +// CoreWindowNativeWindow.cpp: NativeWindow for managing ICoreWindow native window types. + +#include <algorithm> +#include "common/winrt/CoreWindowNativeWindow.h" +using namespace ABI::Windows::Foundation::Collections; + +namespace rx +{ + +typedef ITypedEventHandler<ABI::Windows::UI::Core::CoreWindow *, ABI::Windows::UI::Core::WindowSizeChangedEventArgs *> SizeChangedHandler; + +CoreWindowNativeWindow::~CoreWindowNativeWindow() +{ + unregisterForSizeChangeEvents(); +} + +bool CoreWindowNativeWindow::initialize(EGLNativeWindowType window, EGLNativeDisplayType display, IPropertySet *propertySet) +{ + ComPtr<IPropertySet> props = propertySet; + ComPtr<IInspectable> win = window; + ComPtr<IInspectable> displayInformation = display; + SIZE swapChainSize = {}; + bool swapChainSizeSpecified = false; + HRESULT result = S_OK; + + // IPropertySet is an optional parameter and can be null. + // If one is specified, cache as an IMap and read the properties + // used for initial host initialization. + if (propertySet) + { + result = props.As(&mPropertyMap); + if (SUCCEEDED(result)) + { + // The EGLRenderSurfaceSizeProperty is optional and may be missing. The IPropertySet + // was prevalidated to contain the EGLNativeWindowType before being passed to + // this host. + result = GetOptionalSizePropertyValue(mPropertyMap, EGLRenderSurfaceSizeProperty, &swapChainSize, &swapChainSizeSpecified); + } + } + + if (SUCCEEDED(result)) + { + result = win.As(&mCoreWindow); + } + + if (SUCCEEDED(result)) + { + result = displayInformation.As(&mDisplayInformation); + } + + if (SUCCEEDED(result)) + { +#if WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP + ComPtr<ABI::Windows::Graphics::Display::IDisplayInformation2> displayInformation2; + result = mDisplayInformation.As(&displayInformation2); + ASSERT(SUCCEEDED(result)); + + result = displayInformation2->get_RawPixelsPerViewPixel(&mScaleFactor); + ASSERT(SUCCEEDED(result)); +#else + ABI::Windows::Graphics::Display::ResolutionScale resolutionScale; + result = mDisplayInformation->get_ResolutionScale(&resolutionScale); + ASSERT(SUCCEEDED(result)); + + mScaleFactor = DOUBLE(resolutionScale) / 100.0; +#endif + } + + if (SUCCEEDED(result)) + { + // If a swapchain size is specfied, then the automatic resize + // behaviors implemented by the host should be disabled. The swapchain + // will be still be scaled when being rendered to fit the bounds + // of the host. + // Scaling of the swapchain output occurs automatically because if + // the scaling mode setting DXGI_SCALING_STRETCH on the swapchain. + if (swapChainSizeSpecified) + { + mClientRect = { 0, 0, swapChainSize.cx, swapChainSize.cy }; + mSupportsSwapChainResize = false; + } + else + { + ABI::Windows::Foundation::Rect rect; + HRESULT result = mCoreWindow->get_Bounds(&rect); + if (SUCCEEDED(result)) + { + LONG width = std::floor(rect.Width * mScaleFactor + 0.5); + LONG height = std::floor(rect.Height * mScaleFactor + 0.5); + mClientRect = { 0, 0, width, height }; + } + } + } + + if (SUCCEEDED(result)) + { + mNewClientRect = mClientRect; + mClientRectChanged = false; + return registerForSizeChangeEvents(); + } + + return false; +} + +bool CoreWindowNativeWindow::registerForSizeChangeEvents() +{ + HRESULT result = mCoreWindow->add_SizeChanged(Callback<SizeChangedHandler>(this, &CoreWindowNativeWindow::onSizeChanged).Get(), + &mSizeChangedEventToken); + + if (SUCCEEDED(result)) + { + return true; + } + + return false; +} + +void CoreWindowNativeWindow::unregisterForSizeChangeEvents() +{ + if (mCoreWindow) + { + (void)mCoreWindow->remove_SizeChanged(mSizeChangedEventToken); + } + mSizeChangedEventToken.value = 0; +} + +HRESULT CoreWindowNativeWindow::createSwapChain(ID3D11Device *device, DXGIFactory *factory, DXGI_FORMAT format, unsigned int width, unsigned int height, DXGISwapChain **swapChain) +{ + if (device == NULL || factory == NULL || swapChain == NULL || width == 0 || height == 0) + { + return E_INVALIDARG; + } + + DXGI_SWAP_CHAIN_DESC1 swapChainDesc = { 0 }; + swapChainDesc.Width = width; + swapChainDesc.Height = height; + swapChainDesc.Format = format; + swapChainDesc.Stereo = FALSE; + swapChainDesc.SampleDesc.Count = 1; + swapChainDesc.SampleDesc.Quality = 0; + swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT | DXGI_USAGE_BACK_BUFFER; + swapChainDesc.BufferCount = 2; + swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL; + swapChainDesc.Scaling = DXGI_SCALING_STRETCH; + + *swapChain = nullptr; + + ComPtr<IDXGISwapChain1> newSwapChain; + HRESULT result = factory->CreateSwapChainForCoreWindow(device, mCoreWindow.Get(), &swapChainDesc, nullptr, newSwapChain.ReleaseAndGetAddressOf()); + if (SUCCEEDED(result)) + { + +#if (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP) // This block is disabled for Qt applications, as the resize events are expected + // Test if swapchain supports resize. On Windows Phone devices, this will return DXGI_ERROR_UNSUPPORTED. On + // other devices DXGI_ERROR_INVALID_CALL should be returned because the combination of flags passed + // (DXGI_SWAP_CHAIN_FLAG_NONPREROTATED | DXGI_SWAP_CHAIN_FLAG_GDI_COMPATIBLE) are invalid flag combinations. + if (newSwapChain->ResizeBuffers(swapChainDesc.BufferCount, swapChainDesc.Width, swapChainDesc.Height, swapChainDesc.Format, DXGI_SWAP_CHAIN_FLAG_NONPREROTATED | DXGI_SWAP_CHAIN_FLAG_GDI_COMPATIBLE) == DXGI_ERROR_UNSUPPORTED) + { + mSupportsSwapChainResize = false; + } +#endif // (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP) + + result = newSwapChain.CopyTo(swapChain); + } + + if (SUCCEEDED(result)) + { + // If automatic swapchain resize behaviors have been disabled, then + // unregister for the resize change events. + if (mSupportsSwapChainResize == false) + { + unregisterForSizeChangeEvents(); + } + } + + return result; +} + +// Basically, this shouldn't be used on Phone +HRESULT CoreWindowNativeWindow::onSizeChanged(ABI::Windows::UI::Core::ICoreWindow *, ABI::Windows::UI::Core::IWindowSizeChangedEventArgs *e) +{ + ABI::Windows::Foundation::Size size; + if (SUCCEEDED(e->get_Size(&size))) + { + SIZE windowSizeInPixels = { + std::floor(size.Width * mScaleFactor + 0.5), + std::floor(size.Height * mScaleFactor + 0.5) + }; + setNewClientSize(windowSizeInPixels); + } + + return S_OK; +} +} |