DX11 multiple canvas support

Engine/source/gfx/D3D11/gfxD3D11Device.cpp

@@ -261,37 +261,26 @@ void GFXD3D11Device::enumerateVideoModes()
    SAFE_RELEASE(DXGIFactory);
 }
 
-IDXGISwapChain* GFXD3D11Device::getSwapChain()
-{
-   return mSwapChain;
-}
-
 void GFXD3D11Device::init(const GFXVideoMode &mode, PlatformWindow *window)
 {
    AssertFatal(window, "GFXD3D11Device::init - must specify a window!");
 
-   HWND winHwnd = (HWND)window->getSystemWindow( PlatformWindow::WindowSystem_Windows );
-
    UINT createDeviceFlags = D3D11_CREATE_DEVICE_SINGLETHREADED | D3D11_CREATE_DEVICE_BGRA_SUPPORT;
 #ifdef TORQUE_DEBUG
    createDeviceFlags |= D3D11_CREATE_DEVICE_DEBUG;
    mDebugLayers = true;
 #endif
 
-   DXGI_SWAP_CHAIN_DESC d3dpp = setupPresentParams(mode, winHwnd);
-
    D3D_FEATURE_LEVEL deviceFeature;
    D3D_DRIVER_TYPE driverType = D3D_DRIVER_TYPE_HARDWARE;// use D3D_DRIVER_TYPE_REFERENCE for reference device
-   // create a device, device context and swap chain using the information in the d3dpp struct
+   // create a device & device context
-   HRESULT hres = D3D11CreateDeviceAndSwapChain(NULL,
+   HRESULT hres = D3D11CreateDevice(NULL,
                                     driverType,
                                     NULL,
                                     createDeviceFlags,
                                     NULL,
                                     0,
                                     D3D11_SDK_VERSION,
-                                 &d3dpp,
-                                 &mSwapChain,
                                     &mD3DDevice,
                                     &deviceFeature,
                                     &mD3DDeviceContext);
@@ -301,10 +290,13 @@ void GFXD3D11Device::init(const GFXVideoMode &mode, PlatformWindow *window)
       #ifdef TORQUE_DEBUG
          //try again without debug device layer enabled
          createDeviceFlags &= ~D3D11_CREATE_DEVICE_DEBUG;
-      HRESULT hres = D3D11CreateDeviceAndSwapChain(NULL, driverType,NULL,createDeviceFlags,NULL, 0,
+         hres = D3D11CreateDevice(NULL,
+                                  driverType,
+                                  NULL,
+                                  createDeviceFlags,
+                                  NULL,
+                                  0,
                                   D3D11_SDK_VERSION,
-         &d3dpp,
-         &mSwapChain,
                                   &mD3DDevice,
                                   &deviceFeature,
                                   &mD3DDeviceContext);
@@ -319,15 +311,9 @@ void GFXD3D11Device::init(const GFXVideoMode &mode, PlatformWindow *window)
       #endif
    }
 
-   //set the fullscreen state here if we need to
+#ifdef TORQUE_DEBUG
-   if(mode.fullScreen)
+   _suppressDebugMessages();
-   {
+#endif
-      hres = mSwapChain->SetFullscreenState(TRUE, NULL);
-      if(FAILED(hres))
-      {
-         AssertFatal(false, "GFXD3D11Device::init- Failed to set fullscreen state!");
-      }
-   }
 
    mTextureManager = new GFXD3D11TextureManager();
 
@@ -355,68 +341,6 @@ void GFXD3D11Device::init(const GFXVideoMode &mode, PlatformWindow *window)
    mCardProfiler = new GFXD3D11CardProfiler();
    mCardProfiler->init();
 
-   D3D11_TEXTURE2D_DESC desc;
-   desc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
-   desc.CPUAccessFlags = 0;
-   desc.Format = GFXD3D11TextureFormat[GFXFormatD24S8];
-   desc.MipLevels = 1;
-   desc.ArraySize = 1;
-   desc.Usage = D3D11_USAGE_DEFAULT;
-   desc.Width = mode.resolution.x;
-   desc.Height = mode.resolution.y;
-   desc.SampleDesc.Count =1;
-   desc.SampleDesc.Quality =0;
-   desc.MiscFlags = 0;
-
-   HRESULT hr = mD3DDevice->CreateTexture2D(&desc, NULL, &mDeviceDepthStencil);
-   if(FAILED(hr)) 
-   {
-      AssertFatal(false, "GFXD3D11Device::init - couldn't create device's depth-stencil surface.");
-   }
-
-   D3D11_DEPTH_STENCIL_VIEW_DESC depthDesc;
-   depthDesc.Format = GFXD3D11TextureFormat[GFXFormatD24S8];
-   depthDesc.Flags =0 ;
-   depthDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
-   depthDesc.Texture2D.MipSlice = 0;
-
-   hr = mD3DDevice->CreateDepthStencilView(mDeviceDepthStencil, &depthDesc, &mDeviceDepthStencilView);
-
-   if(FAILED(hr))
-   {
-      AssertFatal(false, "GFXD3D11Device::init - couldn't create depth stencil view");
-   }
-
-   hr = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&mDeviceBackbuffer);
-   if(FAILED(hr))
-     AssertFatal(false, "GFXD3D11Device::init - coudln't retrieve backbuffer ref");
-
-   //create back buffer view
-   D3D11_RENDER_TARGET_VIEW_DESC RTDesc;
-
-   RTDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
-   RTDesc.Texture2D.MipSlice = 0;
-   RTDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
-
-   hr = mD3DDevice->CreateRenderTargetView(mDeviceBackbuffer, &RTDesc, &mDeviceBackBufferView);
-
-   if(FAILED(hr))
-       AssertFatal(false, "GFXD3D11Device::init - couldn't create back buffer target view");
-
-#ifdef TORQUE_DEBUG
-   String backBufferName = "MainBackBuffer";
-   String depthSteniclName = "MainDepthStencil";
-   String backBuffViewName = "MainBackBuffView";
-   String depthStencViewName = "MainDepthView";
-   mDeviceBackbuffer->SetPrivateData(WKPDID_D3DDebugObjectName, backBufferName.size(), backBufferName.c_str());
-   mDeviceDepthStencil->SetPrivateData(WKPDID_D3DDebugObjectName, depthSteniclName.size(), depthSteniclName.c_str());
-   mDeviceDepthStencilView->SetPrivateData(WKPDID_D3DDebugObjectName, depthStencViewName.size(), depthStencViewName.c_str());
-   mDeviceBackBufferView->SetPrivateData(WKPDID_D3DDebugObjectName, backBuffViewName.size(), backBuffViewName.c_str());
-
-   _suppressDebugMessages();
-
-#endif
-
    gScreenShot = new ScreenShotD3D11;
 
    mInitialized = true;
@@ -466,14 +390,35 @@ GFXWindowTarget * GFXD3D11Device::allocWindowTarget(PlatformWindow *window)
 {
    AssertFatal(window,"GFXD3D11Device::allocWindowTarget - no window provided!");
 
-   // Allocate the device.
-   init(window->getVideoMode(), window);
-
    // Set up a new window target...
    GFXD3D11WindowTarget *gdwt = new GFXD3D11WindowTarget();
    gdwt->mWindow = window;
    gdwt->mSize = window->getClientExtent();
+   
+   if (!mInitialized)
+   {
+      gdwt->mSecondaryWindow = false;
+      // Allocate the device.
+      init(window->getVideoMode(), window);
       gdwt->initPresentationParams();
+      gdwt->createSwapChain();
+      gdwt->createBuffersAndViews();
+
+      mSwapChain = gdwt->getSwapChain();
+      mDeviceBackbuffer = gdwt->getBackBuffer();
+      mDeviceDepthStencil = gdwt->getDepthStencil();
+      mDeviceBackBufferView = gdwt->getBackBufferView();
+      mDeviceDepthStencilView = gdwt->getDepthStencilView();
+
+   }
+   else //additional window/s
+   {
+      gdwt->mSecondaryWindow = true;
+      gdwt->initPresentationParams();
+      gdwt->createSwapChain();
+      gdwt->createBuffersAndViews();
+   }
+   
    gdwt->registerResourceWithDevice(this);
 
    return gdwt;
@@ -487,13 +432,15 @@ GFXTextureTarget* GFXD3D11Device::allocRenderToTextureTarget()
    return targ;
 }
 
-void GFXD3D11Device::reset(DXGI_SWAP_CHAIN_DESC &d3dpp)
+void GFXD3D11Device::beginReset()
 {
    if (!mD3DDevice)
       return;
 
    mInitialized = false;
 
+   releaseDefaultPoolResources();
+
    // Clean up some commonly dangling state. This helps prevents issues with
    // items that are destroyed by the texture manager callbacks and recreated
    // later, but still left bound.
@@ -504,117 +451,26 @@ void GFXD3D11Device::reset(DXGI_SWAP_CHAIN_DESC &d3dpp)
 
    mD3DDeviceContext->ClearState();
 
-   DXGI_MODE_DESC displayModes;
+   //release old buffers and views
-   displayModes.Format = d3dpp.BufferDesc.Format;
-   displayModes.Height = d3dpp.BufferDesc.Height;
-   displayModes.Width = d3dpp.BufferDesc.Width;
-   displayModes.RefreshRate = d3dpp.BufferDesc.RefreshRate;
-   displayModes.Scaling = d3dpp.BufferDesc.Scaling;
-   displayModes.ScanlineOrdering = d3dpp.BufferDesc.ScanlineOrdering;
-
-   HRESULT hr;
-   if (!d3dpp.Windowed)
-   {
-      hr = mSwapChain->ResizeTarget(&displayModes);
-
-      if (FAILED(hr))
-      {
-         AssertFatal(false, "D3D11Device::reset - failed to resize target!");
-      }
-   }
-
-   // First release all the stuff we allocated from D3DPOOL_DEFAULT
-   releaseDefaultPoolResources();
-
-   //release the backbuffer, depthstencil, and their views
-   SAFE_RELEASE(mDeviceBackBufferView);
-   SAFE_RELEASE(mDeviceBackbuffer);
    SAFE_RELEASE(mDeviceDepthStencilView);
+   SAFE_RELEASE(mDeviceBackBufferView);
    SAFE_RELEASE(mDeviceDepthStencil);
+   SAFE_RELEASE(mDeviceBackbuffer);
+}
 
-   hr = mSwapChain->ResizeBuffers(d3dpp.BufferCount, d3dpp.BufferDesc.Width, d3dpp.BufferDesc.Height, d3dpp.BufferDesc.Format, d3dpp.Windowed ? 0 : DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH);
+void GFXD3D11Device::endReset(GFXD3D11WindowTarget *windowTarget)
-
+{
-   if (FAILED(hr))
+   //grab new references
-   {
+   mDeviceBackbuffer = windowTarget->getBackBuffer();
-      AssertFatal(false, "D3D11Device::reset - failed to resize back buffer!");
+   mDeviceDepthStencil = windowTarget->getDepthStencil();
-   }
+   mDeviceBackBufferView = windowTarget->getBackBufferView();
-
+   mDeviceDepthStencilView = windowTarget->getDepthStencilView();
-   //recreate backbuffer view. depth stencil view and texture
-   D3D11_TEXTURE2D_DESC desc;
-   desc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
-   desc.CPUAccessFlags = 0;
-   desc.Format = GFXD3D11TextureFormat[GFXFormatD24S8];
-   desc.MipLevels = 1;
-   desc.ArraySize = 1;
-   desc.Usage = D3D11_USAGE_DEFAULT;
-   desc.Width = d3dpp.BufferDesc.Width;
-   desc.Height = d3dpp.BufferDesc.Height;
-   desc.SampleDesc.Count = 1;
-   desc.SampleDesc.Quality = 0;
-   desc.MiscFlags = 0;
-
-   hr = mD3DDevice->CreateTexture2D(&desc, NULL, &mDeviceDepthStencil);
-   if (FAILED(hr))
-   {
-      AssertFatal(false, "GFXD3D11Device::reset - couldn't create device's depth-stencil surface.");
-   }
-
-   D3D11_DEPTH_STENCIL_VIEW_DESC depthDesc;
-   depthDesc.Format = GFXD3D11TextureFormat[GFXFormatD24S8];
-   depthDesc.Flags = 0;
-   depthDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
-   depthDesc.Texture2D.MipSlice = 0;
-
-   hr = mD3DDevice->CreateDepthStencilView(mDeviceDepthStencil, &depthDesc, &mDeviceDepthStencilView);
-
-   if (FAILED(hr))
-   {
-      AssertFatal(false, "GFXD3D11Device::reset - couldn't create depth stencil view");
-   }
-
-   hr = mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&mDeviceBackbuffer);
-   if (FAILED(hr))
-      AssertFatal(false, "GFXD3D11Device::reset - coudln't retrieve backbuffer ref");
-
-   //create back buffer view
-   D3D11_RENDER_TARGET_VIEW_DESC RTDesc;
-
-   RTDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
-   RTDesc.Texture2D.MipSlice = 0;
-   RTDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
-
-   hr = mD3DDevice->CreateRenderTargetView(mDeviceBackbuffer, &RTDesc, &mDeviceBackBufferView);
-
-   if (FAILED(hr))
-      AssertFatal(false, "GFXD3D11Device::reset - couldn't create back buffer target view");
 
    mD3DDeviceContext->OMSetRenderTargets(1, &mDeviceBackBufferView, mDeviceDepthStencilView);
 
-   hr = mSwapChain->SetFullscreenState(!d3dpp.Windowed, NULL);
+   // Now reacquire all the resources we trashed earlier
-
-   if (FAILED(hr))
-   {
-      AssertFatal(false, "D3D11Device::reset - failed to change screen states!");
-   }
-
-   //Microsoft recommend this, see DXGI documentation
-   if (!d3dpp.Windowed)
-   {
-      displayModes.RefreshRate.Numerator = 0;
-      displayModes.RefreshRate.Denominator = 0;
-      hr = mSwapChain->ResizeTarget(&displayModes);
-
-      if (FAILED(hr))
-      {
-         AssertFatal(false, "D3D11Device::reset - failed to resize target!");
-      }
-   }
-
-   mInitialized = true;
-
-   // Now re aquire all the resources we trashed earlier
    reacquireDefaultPoolResources();
-
+   mInitialized = true;
    // Mark everything dirty and flush to card, for sanity.
    updateStates(true);
 }

Engine/source/gfx/D3D11/gfxD3D11Device.h

@@ -146,7 +146,6 @@ protected:
    virtual GFXD3D11VertexBuffer* findVBPool( const GFXVertexFormat *vertexFormat, U32 numVertsNeeded );
    virtual GFXD3D11VertexBuffer* createVBPool( const GFXVertexFormat *vertexFormat, U32 vertSize );
 
-   IDXGISwapChain* getSwapChain();
    // State overrides
    // {
 
@@ -281,7 +280,8 @@ public:
    ID3D11Device* getDevice(){ return mD3DDevice; }
 
    /// Reset
-   void reset( DXGI_SWAP_CHAIN_DESC &d3dpp );
+   void beginReset();
+   void endReset(GFXD3D11WindowTarget *windowTarget);
 
    virtual void setupGenericShaders( GenericShaderType type  = GSColor );
 

Engine/source/gfx/D3D11/gfxD3D11Target.cpp

@@ -315,20 +315,33 @@ void GFXD3D11TextureTarget::resurrect()
 GFXD3D11WindowTarget::GFXD3D11WindowTarget()
 {
    mWindow = NULL;
-   mBackbuffer   = NULL;
+   mBackBuffer = NULL;
+   mDepthStencilView = NULL;
+   mDepthStencil = NULL;
+   mBackBufferView = NULL;
+   mSecondaryWindow = false;
 }
 
 GFXD3D11WindowTarget::~GFXD3D11WindowTarget()
 {
-   SAFE_RELEASE(mBackbuffer);
+   SAFE_RELEASE(mDepthStencilView)
+   SAFE_RELEASE(mDepthStencil);
+   SAFE_RELEASE(mBackBufferView);
+   SAFE_RELEASE(mBackBuffer);
+   SAFE_RELEASE(mSwapChain);
 }
 
 void GFXD3D11WindowTarget::initPresentationParams()
 {
    // Get some video mode related info.
-   GFXVideoMode vm = mWindow->getVideoMode();
+   const GFXVideoMode &vm = mWindow->getVideoMode();
-   Win32Window* win = static_cast<Win32Window*>(mWindow);
+   HWND hwnd = (HWND)mWindow->getSystemWindow(PlatformWindow::WindowSystem_Windows);
-   HWND hwnd = win->getHWND();
+
+   // Do some validation...
+   if (vm.fullScreen && mSecondaryWindow)
+   {
+      AssertFatal(false, "GFXD3D11WindowTarget::initPresentationParams - Cannot go fullscreen with secondary window!");
+   }
 
    mPresentationParams = D3D11->setupPresentParams(vm, hwnd);
 }
@@ -347,40 +360,178 @@ GFXFormat GFXD3D11WindowTarget::getFormat()
 
 bool GFXD3D11WindowTarget::present()
 {
-   return (D3D11->getSwapChain()->Present(!D3D11->smDisableVSync, 0) == S_OK);
+   return (mSwapChain->Present(!D3D11->smDisableVSync, 0) == S_OK);
 }
 
-void GFXD3D11WindowTarget::setImplicitSwapChain()
+void GFXD3D11WindowTarget::createSwapChain()
 {
-   if (!mBackbuffer)      
+   //create dxgi factory & swapchain
-      D3D11->mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&mBackbuffer);
+   IDXGIFactory1* DXGIFactory;
+   HRESULT hr = CreateDXGIFactory1(__uuidof(IDXGIFactory1), reinterpret_cast<void**>(&DXGIFactory));
+   if (FAILED(hr))
+      AssertFatal(false, "GFXD3D11WindowTarget::createSwapChain - couldn't create dxgi factory.");
+
+   hr = DXGIFactory->CreateSwapChain(D3D11DEVICE, &mPresentationParams, &mSwapChain);
+
+   if (FAILED(hr))
+      AssertFatal(false, "GFXD3D11WindowTarget::createSwapChain - couldn't create swap chain.");
+
+   SAFE_RELEASE(DXGIFactory);   
+}
+
+void GFXD3D11WindowTarget::createBuffersAndViews()
+{
+   //release old if they exist
+   SAFE_RELEASE(mDepthStencilView);
+   SAFE_RELEASE(mDepthStencil);
+   SAFE_RELEASE(mBackBufferView);
+   SAFE_RELEASE(mBackBuffer);
+
+   //grab video mode
+   const GFXVideoMode &vm = mWindow->getVideoMode();
+   //create depth/stencil
+   D3D11_TEXTURE2D_DESC desc;
+   desc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
+   desc.CPUAccessFlags = 0;
+   desc.Format = GFXD3D11TextureFormat[GFXFormatD24S8];
+   desc.MipLevels = 1;
+   desc.ArraySize = 1;
+   desc.Usage = D3D11_USAGE_DEFAULT;
+   desc.Width = vm.resolution.x;
+   desc.Height = vm.resolution.y;
+   desc.SampleDesc.Count = 1;
+   desc.SampleDesc.Quality = 0;
+   desc.MiscFlags = 0;
+
+   HRESULT hr = D3D11DEVICE->CreateTexture2D(&desc, NULL, &mDepthStencil);
+   if (FAILED(hr))
+      AssertFatal(false, "GFXD3D11WindowTarget::createBuffersAndViews - couldn't create device's depth-stencil surface.");
+
+   D3D11_DEPTH_STENCIL_VIEW_DESC depthDesc;
+   depthDesc.Format = GFXD3D11TextureFormat[GFXFormatD24S8];
+   depthDesc.Flags = 0;
+   depthDesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
+   depthDesc.Texture2D.MipSlice = 0;
+
+   hr = D3D11DEVICE->CreateDepthStencilView(mDepthStencil, &depthDesc, &mDepthStencilView);
+   if (FAILED(hr))
+      AssertFatal(false, "GFXD3D11WindowTarget::createBuffersAndViews - couldn't create depth stencil view");
+
+   setBackBuffer();
+
+   //create back buffer view
+   D3D11_RENDER_TARGET_VIEW_DESC RTDesc;
+   RTDesc.Format = GFXD3D11TextureFormat[GFXFormatR8G8B8A8];
+   RTDesc.Texture2D.MipSlice = 0;
+   RTDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
+
+   hr = D3D11DEVICE->CreateRenderTargetView(mBackBuffer, &RTDesc, &mBackBufferView);
+
+   if (FAILED(hr))
+      AssertFatal(false, "GFXD3D11WindowTarget::createBuffersAndViews - couldn't create back buffer target view");
+
+   //debug names
+#ifdef TORQUE_DEBUG
+   if (!mSecondaryWindow)
+   {
+      String backBufferName = "MainBackBuffer";
+      String depthSteniclName = "MainDepthStencil";
+      String backBuffViewName = "MainBackBuffView";
+      String depthStencViewName = "MainDepthView";
+      mBackBuffer->SetPrivateData(WKPDID_D3DDebugObjectName, backBufferName.size(), backBufferName.c_str());
+      mDepthStencil->SetPrivateData(WKPDID_D3DDebugObjectName, depthSteniclName.size(), depthSteniclName.c_str());
+      mDepthStencilView->SetPrivateData(WKPDID_D3DDebugObjectName, depthStencViewName.size(), depthStencViewName.c_str());
+      mBackBufferView->SetPrivateData(WKPDID_D3DDebugObjectName, backBuffViewName.size(), backBuffViewName.c_str());
+   }
+#endif
 }
 
 void GFXD3D11WindowTarget::resetMode()
 {
+   HRESULT hr;
+   if (mSwapChain)
+   {
+      // The current video settings.
+      DXGI_SWAP_CHAIN_DESC desc;
+      hr = mSwapChain->GetDesc(&desc);
+      if (FAILED(hr))
+         AssertFatal(false, "GFXD3D11WindowTarget::resetMode - failed to get swap chain description!");
+
+      bool fullscreen = !desc.Windowed;
+      Point2I backbufferSize(desc.BufferDesc.Width, desc.BufferDesc.Height);
+
+      // The settings we are now applying.
+      const GFXVideoMode &vm = mWindow->getVideoMode();
+
+      // Early out if none of the settings which require a device reset
+      // have changed.      
+      if (backbufferSize == vm.resolution &&
+         fullscreen == vm.fullScreen)
+         return;
+   }
+
+   //release old buffers and views
+   SAFE_RELEASE(mDepthStencilView)
+   SAFE_RELEASE(mDepthStencil);
+   SAFE_RELEASE(mBackBufferView);
+   SAFE_RELEASE(mBackBuffer);
+
+   if(!mSecondaryWindow)
+      D3D11->beginReset();
+
    mWindow->setSuppressReset(true);
 
    // Setup our presentation params.
    initPresentationParams();
 
-   // Otherwise, we have to reset the device, if we're the implicit swapchain.
+   if (!mPresentationParams.Windowed)
-   D3D11->reset(mPresentationParams);
+   {
+      mPresentationParams.BufferDesc.RefreshRate.Numerator = 0;
+      mPresentationParams.BufferDesc.RefreshRate.Denominator = 0;
+      hr = mSwapChain->ResizeTarget(&mPresentationParams.BufferDesc);
+
+      if (FAILED(hr))
+         AssertFatal(false, "GFXD3D11WindowTarget::resetMode - failed to resize target!");
+
+   }
+
+   hr = mSwapChain->ResizeBuffers(mPresentationParams.BufferCount, mPresentationParams.BufferDesc.Width, mPresentationParams.BufferDesc.Height, 
+      mPresentationParams.BufferDesc.Format, mPresentationParams.Windowed ? 0 : DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH);
+
+   if (FAILED(hr))
+      AssertFatal(false, "GFXD3D11WindowTarget::resetMode - failed to resize back buffer!");
+
+   hr = mSwapChain->SetFullscreenState(!mPresentationParams.Windowed, NULL);
+
+   if (FAILED(hr))
+      AssertFatal(false, "GFXD3D11WindowTarget::resetMode - failed to change screen states!");
 
    // Update our size, too.
    mSize = Point2I(mPresentationParams.BufferDesc.Width, mPresentationParams.BufferDesc.Height);
 
    mWindow->setSuppressReset(false);
-   GFX->beginReset();
+
+   //re-create buffers and views
+   createBuffersAndViews();
+
+   if (!mSecondaryWindow)
+      D3D11->endReset(this);
 }
 
 void GFXD3D11WindowTarget::zombify()
 {
-   SAFE_RELEASE(mBackbuffer);
+   SAFE_RELEASE(mBackBuffer);
 }
 
 void GFXD3D11WindowTarget::resurrect()
 {
-   setImplicitSwapChain();
+   setBackBuffer();
+}
+
+void GFXD3D11WindowTarget::setBackBuffer()
+{
+   if (!mBackBuffer)
+      mSwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&mBackBuffer);
 }
 
 void GFXD3D11WindowTarget::activate()
@@ -391,10 +542,10 @@ void GFXD3D11WindowTarget::activate()
    ID3D11RenderTargetView* rtViews[8] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL };
 
    D3D11DEVICECONTEXT->OMSetRenderTargets(8, rtViews, NULL);
-   D3D11DEVICECONTEXT->OMSetRenderTargets(1, &D3D11->mDeviceBackBufferView, D3D11->mDeviceDepthStencilView);
+   D3D11DEVICECONTEXT->OMSetRenderTargets(1, &mBackBufferView, mDepthStencilView);
 
    DXGI_SWAP_CHAIN_DESC pp;
-   D3D11->mSwapChain->GetDesc(&pp);
+   mSwapChain->GetDesc(&pp);
 
    // Update our video mode here, too.
    GFXVideoMode vm;
@@ -412,5 +563,35 @@ void GFXD3D11WindowTarget::resolveTo(GFXTextureObject *tex)
    D3D11_TEXTURE2D_DESC desc;
    ID3D11Texture2D* surf = ((GFXD3D11TextureObject*)(tex))->get2DTex();
    surf->GetDesc(&desc);
-   D3D11DEVICECONTEXT->ResolveSubresource(surf, 0, D3D11->mDeviceBackbuffer, 0, desc.Format);
+   D3D11DEVICECONTEXT->ResolveSubresource(surf, 0, mBackBuffer, 0, desc.Format);
+}
+
+IDXGISwapChain *GFXD3D11WindowTarget::getSwapChain()
+{
+   mSwapChain->AddRef();
+   return mSwapChain;
+}
+
+ID3D11Texture2D *GFXD3D11WindowTarget::getBackBuffer()
+{
+   mBackBuffer->AddRef();
+   return mBackBuffer;
+}
+
+ID3D11Texture2D *GFXD3D11WindowTarget::getDepthStencil()
+{
+   mDepthStencil->AddRef();
+   return mDepthStencil;
+}
+
+ID3D11RenderTargetView* GFXD3D11WindowTarget::getBackBufferView()
+{
+   mBackBufferView->AddRef();
+   return mBackBufferView;
+}
+
+ID3D11DepthStencilView* GFXD3D11WindowTarget::getDepthStencilView()
+{
+   mDepthStencilView->AddRef();
+   return mDepthStencilView;
 }

Engine/source/gfx/D3D11/gfxD3D11Target.h

@@ -76,17 +76,22 @@ class GFXD3D11WindowTarget : public GFXWindowTarget
    friend class GFXD3D11Device;
 
    /// Our backbuffer
-   ID3D11Texture2D *mBackbuffer;
+   ID3D11Texture2D *mBackBuffer;
+   ID3D11Texture2D *mDepthStencil;
+   ID3D11RenderTargetView* mBackBufferView;
+   ID3D11DepthStencilView* mDepthStencilView;
+   IDXGISwapChain *mSwapChain;
 
    /// Maximum size we can render to.
    Point2I mSize;
-
    /// D3D presentation info.
    DXGI_SWAP_CHAIN_DESC mPresentationParams;
-
    /// Internal interface that notifies us we need to reset our video mode.
    void resetMode();
 
+   /// Is this a secondary window
+   bool mSecondaryWindow;
+
 public:
 
    GFXD3D11WindowTarget();
@@ -97,7 +102,9 @@ public:
    virtual bool present();
 
    void initPresentationParams();
-   void setImplicitSwapChain();
+   void createSwapChain();
+   void createBuffersAndViews();
+   void setBackBuffer();
 
    virtual void activate();   
 
@@ -105,6 +112,13 @@ public:
    void resurrect();
 
    virtual void resolveTo( GFXTextureObject *tex );
+
+   // These are all reference counted and must be released by whomever uses the get* function
+   IDXGISwapChain *getSwapChain();
+   ID3D11Texture2D *getBackBuffer();
+   ID3D11Texture2D *getDepthStencil();
+   ID3D11RenderTargetView* getBackBufferView();
+   ID3D11DepthStencilView* getDepthStencilView();
 };
 
 #endif