Moved Native App from master repository

1 files changed, 351 insertions, 0 deletions

diff --git a/NativeApp/src/UWP/App.cpp b/NativeApp/src/UWP/App.cpp
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+++ b/NativeApp/src/UWP/App.cpp
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+/*     Copyright 2015-2016 Egor Yusov
+ *  
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence), 
+ *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental, 
+ *  or consequential damages of any character arising as a result of this License or 
+ *  out of the use or inability to use the software (including but not limited to damages 
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
+ *  all other commercial damages or losses), even if such Contributor has been advised 
+ *  of the possibility of such damages.
+ */
+
+#define NOMINIMAX
+#include <wrl.h>
+#include <wrl/client.h>
+#include <DirectXMath.h>
+#include <agile.h>
+
+#if defined(_DEBUG)
+#   include <dxgidebug.h>
+#endif
+
+#include "App.h"
+#include "StringTools.h"
+
+#include <ppltasks.h>
+
+using namespace SampleApp;
+using namespace Diligent;
+
+using namespace concurrency;
+using namespace Windows::ApplicationModel;
+using namespace Windows::ApplicationModel::Core;
+using namespace Windows::ApplicationModel::Activation;
+using namespace Windows::UI::Core;
+using namespace Windows::UI::Input;
+using namespace Windows::System;
+using namespace Windows::Foundation;
+using namespace Windows::Graphics::Display;
+
+using Microsoft::WRL::ComPtr;
+
+
+ref class ApplicationSource sealed : IFrameworkViewSource
+{
+public:
+    virtual IFrameworkView^ CreateView()
+    {
+        return ref new App();
+    }
+};
+
+
+// The main function is only used to initialize our IFrameworkView class.
+[Platform::MTAThread]
+int main(Platform::Array<Platform::String^>^)
+{
+    auto direct3DApplicationSource = ref new ApplicationSource();
+    CoreApplication::Run(direct3DApplicationSource);
+    return 0;
+}
+
+App::App() :
+    m_windowClosed(false),
+    m_windowVisible(true)
+{
+}
+
+
+// The first method called when the IFrameworkView is being created.
+void App::Initialize(CoreApplicationView^ applicationView)
+{
+    // Register event handlers for app lifecycle. This example includes Activated, so that we
+    // can make the CoreWindow active and start rendering on the window.
+    applicationView->Activated +=
+        ref new TypedEventHandler<CoreApplicationView^, IActivatedEventArgs^>(this, &App::OnActivated);
+    
+    CoreApplication::Suspending +=
+        ref new EventHandler<SuspendingEventArgs^>(this, &App::OnSuspending);
+
+    CoreApplication::Resuming +=
+        ref new EventHandler<Platform::Object^>(this, &App::OnResuming);
+}
+
+// Called when the CoreWindow object is created (or re-created).
+void App::SetWindow(CoreWindow^ window)
+{
+    window->SizeChanged += 
+        ref new TypedEventHandler<CoreWindow^, WindowSizeChangedEventArgs^>(this, &App::OnWindowSizeChanged);
+
+    window->VisibilityChanged +=
+        ref new TypedEventHandler<CoreWindow^, VisibilityChangedEventArgs^>(this, &App::OnVisibilityChanged);
+
+    window->Closed += 
+        ref new TypedEventHandler<CoreWindow^, CoreWindowEventArgs^>(this, &App::OnWindowClosed);
+
+    window->KeyDown += 
+        ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(this, &App::OnKeyDown);
+
+    window->KeyUp +=
+        ref new TypedEventHandler<CoreWindow^, KeyEventArgs^>(this, &App::OnKeyUp);
+
+    DisplayInformation^ currentDisplayInformation = DisplayInformation::GetForCurrentView();
+
+    currentDisplayInformation->DpiChanged +=
+        ref new TypedEventHandler<DisplayInformation^, Object^>(this, &App::OnDpiChanged);
+
+    currentDisplayInformation->OrientationChanged +=
+        ref new TypedEventHandler<DisplayInformation^, Object^>(this, &App::OnOrientationChanged);
+
+    DisplayInformation::DisplayContentsInvalidated +=
+        ref new TypedEventHandler<DisplayInformation^, Object^>(this, &App::OnDisplayContentsInvalidated);
+
+    if (m_Main)
+    {
+        m_Main->OnSetWindow(window);
+    }
+}
+
+// Initializes scene resources, or loads a previously saved app state.
+void App::Load(Platform::String^ entryPoint)
+{
+    if (m_Main == nullptr)
+    {
+        m_Main.reset(CreateApplication());
+        m_Main->OnSetWindow(CoreWindow::GetForCurrentThread());
+    }
+}
+
+// This method is called after the window becomes active.
+void App::Run()
+{
+    while (!m_windowClosed)
+    {
+        if (m_windowVisible)
+        {
+            CoreWindow::GetForCurrentThread()->Dispatcher->ProcessEvents(CoreProcessEventsOption::ProcessAllIfPresent);
+
+            // Initialize device resources
+            GetDeviceResources();
+
+            //PIXBeginEvent(commandQueue, 0, L"Update");
+            {
+                m_Main->Update();
+            }
+            //PIXEndEvent(commandQueue);
+
+            //PIXBeginEvent(commandQueue, 0, L"Render");
+            {
+                m_Main->Render();
+                if (m_Main->IsFrameReady())
+                {
+                    m_Main->Present();
+                }
+            }
+            //PIXEndEvent(commandQueue);
+        }
+        else
+        {
+            CoreWindow::GetForCurrentThread()->Dispatcher->ProcessEvents(CoreProcessEventsOption::ProcessOneAndAllPending);
+        }
+    }
+}
+
+// Required for IFrameworkView.
+// Terminate events do not cause Uninitialize to be called. It will be called if your IFrameworkView
+// class is torn down while the app is in the foreground.
+void App::Uninitialize()
+{
+}
+
+// Application lifecycle event handlers.
+
+void App::OnActivated(CoreApplicationView^ applicationView, IActivatedEventArgs^ args)
+{
+    if (args->Kind == ActivationKind::Launch)
+    {
+        LaunchActivatedEventArgs^ launchArgs = (LaunchActivatedEventArgs^)args;
+        auto CmdLine = Diligent::NarrowString(launchArgs->Arguments->Data());
+        m_Main->ProcessCommandLine(CmdLine.c_str());
+    }
+
+    auto Title = Diligent::WidenString(m_Main->GetAppTitle());
+    Windows::UI::ViewManagement::ApplicationView::GetForCurrentView()->Title = ref new Platform::String(Title.c_str());
+
+    // Run() won't start until the CoreWindow is activated.
+    CoreWindow::GetForCurrentThread()->Activate();
+}
+
+void App::OnSuspending(Platform::Object^ sender, SuspendingEventArgs^ args)
+{
+    // Save app state asynchronously after requesting a deferral. Holding a deferral
+    // indicates that the application is busy performing suspending operations. Be
+    // aware that a deferral may not be held indefinitely. After about five seconds,
+    // the app will be forced to exit.
+    SuspendingDeferral^ deferral = args->SuspendingOperation->GetDeferral();
+
+    create_task([this, deferral]()
+    {
+        m_Main->OnSuspending();
+        deferral->Complete();
+    });
+}
+
+void App::OnResuming(Platform::Object^ sender, Platform::Object^ args)
+{
+    // Restore any data or state that was unloaded on suspend. By default, data
+    // and state are persisted when resuming from suspend. Note that this event
+    // does not occur if the app was previously terminated.
+
+    m_Main->OnResuming();
+}
+
+// Window event handlers.
+
+void App::OnWindowSizeChanged(CoreWindow^ sender, WindowSizeChangedEventArgs^ args)
+{
+    if (auto DeviceResources = GetDeviceResources())
+    {
+        DeviceResources->SetLogicalSize(Size(sender->Bounds.Width, sender->Bounds.Height));
+        m_Main->OnWindowSizeChanged();
+    }
+}
+
+void App::OnVisibilityChanged(CoreWindow^ sender, VisibilityChangedEventArgs^ args)
+{
+    m_windowVisible = args->Visible;
+}
+
+void App::OnWindowClosed(CoreWindow^ sender, CoreWindowEventArgs^ args)
+{
+    m_windowClosed = true;
+}
+
+// DisplayInformation event handlers.
+
+void App::OnDpiChanged(DisplayInformation^ sender, Object^ args)
+{
+    // Note: The value for LogicalDpi retrieved here may not match the effective DPI of the app
+    // if it is being scaled for high resolution devices. Once the DPI is set on DeviceResources,
+    // you should always retrieve it using the GetDpi method.
+    // See DeviceResources.cpp for more details.
+    if (auto DeviceResources = GetDeviceResources())
+    {
+        DeviceResources->SetDpi(sender->LogicalDpi);
+        m_Main->OnWindowSizeChanged();
+    }
+}
+
+void App::OnOrientationChanged(DisplayInformation^ sender, Object^ args)
+{
+    if (auto DeviceResources = GetDeviceResources())
+    {
+        DeviceResources->SetCurrentOrientation(sender->CurrentOrientation);
+        m_Main->OnWindowSizeChanged();
+    }
+}
+
+void App::OnDisplayContentsInvalidated(DisplayInformation^ sender, Object^ args)
+{
+    if (auto DeviceResources = GetDeviceResources())
+    {
+        DeviceResources->ValidateDevice();
+    }
+}
+
+void App::OnKeyDown(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::KeyEventArgs^ args)
+{
+    auto Key = args->VirtualKey;
+    switch(Key)
+    {
+        case VirtualKey::Escape:
+            CoreApplication::Exit();
+        break;
+
+        case VirtualKey::Enter:
+            if(m_bShiftPressed)
+            {
+                auto applicationView = Windows::UI::ViewManagement::ApplicationView::GetForCurrentView();
+                if (applicationView->IsFullScreenMode)
+                {
+                    applicationView->ExitFullScreenMode();
+                }
+                else
+                {
+                    applicationView->TryEnterFullScreenMode();
+                }
+            }
+        break;
+
+        case VirtualKey::Shift:
+            m_bShiftPressed = true;
+            break;
+    }
+}
+
+void App::OnKeyUp(Windows::UI::Core::CoreWindow^ sender, Windows::UI::Core::KeyEventArgs^ args)
+{
+    auto Key = args->VirtualKey;
+    switch (Key)
+    {
+        case VirtualKey::Shift:
+            m_bShiftPressed = false;
+            break;
+    }
+}
+
+std::shared_ptr<DX::DeviceResources> App::GetDeviceResources()
+{
+    if (m_deviceResources != nullptr && m_deviceResources->IsDeviceRemoved())
+    {
+        // All references to the existing D3D device must be released before a new device
+        // can be created.
+
+        m_deviceResources = nullptr;
+        m_Main->OnDeviceRemoved();
+
+#if defined(_DEBUG)
+        ComPtr<IDXGIDebug1> dxgiDebug;
+        if (SUCCEEDED(DXGIGetDebugInterface1(0, IID_PPV_ARGS(&dxgiDebug))))
+        {
+            dxgiDebug->ReportLiveObjects(DXGI_DEBUG_ALL, DXGI_DEBUG_RLO_FLAGS(DXGI_DEBUG_RLO_SUMMARY | DXGI_DEBUG_RLO_IGNORE_INTERNAL));
+        }
+#endif
+    }
+
+    if (m_deviceResources == nullptr)
+    {
+        m_deviceResources = m_Main->InitDeviceResources();
+        if (m_deviceResources)
+        {
+            m_deviceResources->SetWindow(CoreWindow::GetForCurrentThread());
+            auto Title = Diligent::WidenString(m_Main->GetAppTitle());
+            Windows::UI::ViewManagement::ApplicationView::GetForCurrentView()->Title = ref new Platform::String(Title.c_str());
+            m_Main->OnWindowSizeChanged();
+            m_Main->CreateRenderers();
+        }
+    }
+    return m_deviceResources;
+}