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authorBryan Galdrikian <[email protected]>2018-05-31 11:36:08 -0700
committerBryan Galdrikian <[email protected]>2018-05-31 11:36:08 -0700
commit7115f60b91b5717d90f643fd692010905c7004db (patch)
treeeffd68c6978751c517d54c2f2bb5bb6e7dc93e18 /samples/SampleBase/core/DeviceManager.cpp
parentUpdating BlastTool zip (diff)
downloadblast-1.1.3_rc1.tar.xz
blast-1.1.3_rc1.zip
Blast 1.1.3. See docs/release_notes.txt.v1.1.3_rc1
Diffstat (limited to 'samples/SampleBase/core/DeviceManager.cpp')
-rwxr-xr-x[-rw-r--r--]samples/SampleBase/core/DeviceManager.cpp1590
1 files changed, 795 insertions, 795 deletions
diff --git a/samples/SampleBase/core/DeviceManager.cpp b/samples/SampleBase/core/DeviceManager.cpp
index 26f9fbb..46617cb 100644..100755
--- a/samples/SampleBase/core/DeviceManager.cpp
+++ b/samples/SampleBase/core/DeviceManager.cpp
@@ -1,795 +1,795 @@
-// TAGRELEASE: PUBLIC
-
-#include "DeviceManager.h"
-#include <WinUser.h>
-#include <Windows.h>
-#include <assert.h>
-#include <sstream>
-#include <algorithm>
-#include "SampleProfiler.h"
-
-#ifndef SAFE_RELEASE
-#define SAFE_RELEASE(p) { if (p) { (p)->Release(); (p)=NULL; } }
-#endif
-
-#define WINDOW_CLASS_NAME L"NvDX11"
-
-#define WINDOW_STYLE_NORMAL (WS_OVERLAPPEDWINDOW | WS_VISIBLE)
-#define WINDOW_STYLE_FULLSCREEN (WS_POPUP | WS_SYSMENU | WS_VISIBLE)
-
-// A singleton, sort of... To pass the events from WindowProc to the object.
-DeviceManager* g_DeviceManagerInstance = NULL;
-
-#undef min
-#undef max
-
-LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
-{
- if(g_DeviceManagerInstance)
- return g_DeviceManagerInstance->MsgProc(hWnd, uMsg, wParam, lParam);
- else
- return DefWindowProc(hWnd, uMsg, wParam, lParam);
-}
-
-DeviceManager* GetDeviceManager()
-{
- return g_DeviceManagerInstance;
-}
-
-namespace
-{
- bool IsNvDeviceID(UINT id)
- {
- return id == 0x10DE;
- }
-
- // Find an adapter whose name contains the given string.
- IDXGIAdapter* FindAdapter(const WCHAR* targetName, bool& isNv)
- {
- IDXGIAdapter* targetAdapter = NULL;
- IDXGIFactory* IDXGIFactory_0001 = NULL;
- HRESULT hres = CreateDXGIFactory(__uuidof(IDXGIFactory), (void**)&IDXGIFactory_0001);
- if (hres != S_OK)
- {
- printf("ERROR in CreateDXGIFactory, %s@%d.\nFor more info, get log from debug D3D runtime: (1) Install DX SDK, and enable Debug D3D from DX Control Panel Utility. (2) Install and start DbgView. (3) Try running the program again.\n",__FILE__,__LINE__);
- return targetAdapter;
- }
-
- unsigned int adapterNo = 0;
- while (SUCCEEDED(hres))
- {
- IDXGIAdapter* pAdapter = NULL;
- hres = IDXGIFactory_0001->EnumAdapters(adapterNo, (IDXGIAdapter**)&pAdapter);
-
- if (SUCCEEDED(hres))
- {
- DXGI_ADAPTER_DESC aDesc;
- pAdapter->GetDesc(&aDesc);
-
- // If no name is specified, return the first adapater. This is the same behaviour as the
- // default specified for D3D11CreateDevice when no adapter is specified.
- if (wcslen(targetName) == 0)
- {
- targetAdapter = pAdapter;
- isNv = IsNvDeviceID(aDesc.VendorId);
- break;
- }
-
- std::wstring aName = aDesc.Description;
- if (aName.find(targetName) != std::string::npos)
- {
- targetAdapter = pAdapter;
- isNv = IsNvDeviceID(aDesc.VendorId);
- }
- else
- {
- pAdapter->Release();
- }
- }
-
- adapterNo++;
- }
-
- if (IDXGIFactory_0001)
- IDXGIFactory_0001->Release();
-
- return targetAdapter;
- }
-
- // Adjust window rect so that it is centred on the given adapter. Clamps to fit if it's too big.
- RECT MoveWindowOntoAdapter(IDXGIAdapter* targetAdapter, const RECT& rect)
- {
- assert(targetAdapter != NULL);
-
- RECT result = rect;
- HRESULT hres = S_OK;
- unsigned int outputNo = 0;
- while (SUCCEEDED(hres))
- {
- IDXGIOutput* pOutput = NULL;
- hres = targetAdapter->EnumOutputs(outputNo++, &pOutput);
-
- if (SUCCEEDED(hres) && pOutput)
- {
- DXGI_OUTPUT_DESC OutputDesc;
- pOutput->GetDesc( &OutputDesc );
- const RECT desktop = OutputDesc.DesktopCoordinates;
- const int centreX = (int) desktop.left + (int)(desktop.right - desktop.left) / 2;
- const int centreY = (int) desktop.top + (int)(desktop.bottom - desktop.top) / 2;
- const int winW = rect.right - rect.left;
- const int winH = rect.bottom - rect.top;
- int left = centreX - winW/2;
- int right = left + winW;
- int top = centreY - winH/2;
- int bottom = top + winH;
- result.left = std::max(left, (int) desktop.left);
- result.right = std::min(right, (int) desktop.right);
- result.bottom = std::min(bottom, (int) desktop.bottom);
- result.top = std::max(top, (int) desktop.top);
- pOutput->Release();
-
- // If there is more than one output, go with the first found. Multi-monitor support could go here.
- break;
- }
- }
- return result;
- }
-}
-
-HRESULT
-DeviceManager::CreateWindowDeviceAndSwapChain(const DeviceCreationParameters& params, std::wstring title)
-{
- g_DeviceManagerInstance = this;
- m_WindowTitle = title;
-
- HINSTANCE hInstance = GetModuleHandle(NULL);
- WNDCLASSEX windowClass = { sizeof(WNDCLASSEX), CS_HREDRAW | CS_VREDRAW, WindowProc,
- 0L, 0L, hInstance, NULL, NULL, NULL, NULL, WINDOW_CLASS_NAME, NULL };
-
- windowClass.hCursor = LoadCursor(NULL, IDC_ARROW);
-
- RegisterClassEx(&windowClass);
-
- UINT windowStyle = params.startFullscreen
- ? WINDOW_STYLE_FULLSCREEN
- : params.startMaximized
- ? (WINDOW_STYLE_NORMAL | WS_MAXIMIZE)
- : WINDOW_STYLE_NORMAL;
-
- RECT rect = { 0, 0, params.backBufferWidth, params.backBufferHeight };
- AdjustWindowRect(&rect, windowStyle, FALSE);
-
- IDXGIAdapter* targetAdapter = FindAdapter(params.adapterNameSubstring, m_IsNvidia);
- if (targetAdapter)
- {
- rect = MoveWindowOntoAdapter(targetAdapter, rect);
- }
- else
- {
- // We could silently use a default adapter in this case. I think it's better to choke.
- std::wostringstream ostr;
- ostr << L"Could not find an adapter matching \"" << params.adapterNameSubstring << "\"" << std::ends;
- MessageBox(NULL, ostr.str().c_str(), m_WindowTitle.c_str(), MB_OK | MB_ICONERROR);
- return E_FAIL;
- }
-
- m_hWnd = CreateWindowEx(
- 0,
- WINDOW_CLASS_NAME,
- title.c_str(),
- windowStyle,
- rect.left,
- rect.top,
- rect.right - rect.left,
- rect.bottom - rect.top,
- GetDesktopWindow(),
- NULL,
- hInstance,
- NULL
- );
-
- if(!m_hWnd)
- {
-#ifdef DEBUG
- DWORD errorCode = GetLastError();
- printf("CreateWindowEx error code = 0x%x\n", errorCode);
-#endif
-
- MessageBox(NULL, L"Cannot create window", m_WindowTitle.c_str(), MB_OK | MB_ICONERROR);
- return E_FAIL;
- }
-
- UpdateWindow(m_hWnd);
-
- HRESULT hr = E_FAIL;
-
- RECT clientRect;
- GetClientRect(m_hWnd, &clientRect);
- UINT width = clientRect.right - clientRect.left;
- UINT height = clientRect.bottom - clientRect.top;
-
- ZeroMemory(&m_SwapChainDesc, sizeof(m_SwapChainDesc));
- m_SwapChainDesc.BufferCount = params.swapChainBufferCount;
- m_SwapChainDesc.BufferDesc.Width = width;
- m_SwapChainDesc.BufferDesc.Height = height;
- m_SwapChainDesc.BufferDesc.Format = params.swapChainFormat;
- m_SwapChainDesc.BufferDesc.RefreshRate.Numerator = params.refreshRate;
- m_SwapChainDesc.BufferDesc.RefreshRate.Denominator = 0;
- m_SwapChainDesc.BufferUsage = params.swapChainUsage;
- m_SwapChainDesc.OutputWindow = m_hWnd;
- m_SwapChainDesc.SampleDesc.Count = params.swapChainSampleCount;
- m_SwapChainDesc.SampleDesc.Quality = params.swapChainSampleQuality;
- m_SwapChainDesc.Windowed = !params.startFullscreen;
- m_SwapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
-
- // The D3D documentation says that if adapter is non-null, driver type must be unknown. Why not put
- // this logic in the CreateDevice fns then?!?
- const D3D_DRIVER_TYPE dType = (targetAdapter)? D3D_DRIVER_TYPE_UNKNOWN: params.driverType;
-
- hr = D3D11CreateDeviceAndSwapChain(
- targetAdapter, // pAdapter
- dType, // DriverType
- NULL, // Software
- params.createDeviceFlags, // Flags
- &params.featureLevel, // pFeatureLevels
- 1, // FeatureLevels
- D3D11_SDK_VERSION, // SDKVersion
- &m_SwapChainDesc, // pSwapChainDesc
- &m_SwapChain, // ppSwapChain
- &m_Device, // ppDevice
- NULL, // pFeatureLevel
- &m_ImmediateContext // ppImmediateContext
- );
-
- if (targetAdapter)
- targetAdapter->Release();
-
- if(FAILED(hr))
- return hr;
-
- m_DepthStencilDesc.ArraySize = 1;
- m_DepthStencilDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
- m_DepthStencilDesc.CPUAccessFlags = 0;
- m_DepthStencilDesc.Format = params.depthStencilFormat;
- m_DepthStencilDesc.Width = width;
- m_DepthStencilDesc.Height = height;
- m_DepthStencilDesc.MipLevels = 1;
- m_DepthStencilDesc.MiscFlags = 0;
- m_DepthStencilDesc.SampleDesc.Count = params.swapChainSampleCount;
- m_DepthStencilDesc.SampleDesc.Quality = 0;
- m_DepthStencilDesc.Usage = D3D11_USAGE_DEFAULT;
-
- hr = CreateRenderTargetAndDepthStencil();
-
- if(FAILED(hr))
- return hr;
-
- DeviceCreated();
- BackBufferResized();
-
- return S_OK;
-}
-
-void
-DeviceManager::Shutdown()
-{
- if(m_SwapChain && GetWindowState() == kWindowFullscreen)
- m_SwapChain->SetFullscreenState(false, NULL);
-
- DeviceDestroyed();
-
- SAFE_RELEASE(m_BackBufferRTV);
- SAFE_RELEASE(m_DepthStencilDSV);
- SAFE_RELEASE(m_DepthStencilBuffer);
-
- g_DeviceManagerInstance = NULL;
- SAFE_RELEASE(m_ImmediateContext);
- SAFE_RELEASE(m_SwapChain);
-
- ID3D11Debug * d3dDebug = nullptr;
- if (nullptr != m_Device)
- {
- ID3D11DeviceContext* pCtx;
- m_Device->GetImmediateContext(&pCtx);
- pCtx->ClearState();
- pCtx->Flush();
- pCtx->Release();
- if (SUCCEEDED(m_Device->QueryInterface(__uuidof(ID3D11Debug), reinterpret_cast<void**>(&d3dDebug))))
- {
- d3dDebug->ReportLiveDeviceObjects(D3D11_RLDO_DETAIL);
- d3dDebug->Release();
- }
- }
- SAFE_RELEASE(m_Device);
-
- if(m_hWnd)
- {
- DestroyWindow(m_hWnd);
- m_hWnd = NULL;
- }
-}
-
-HRESULT
-DeviceManager::CreateRenderTargetAndDepthStencil()
-{
- HRESULT hr;
-
- ID3D11Texture2D *backBuffer = NULL;
- hr = m_SwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&backBuffer);
- if (FAILED(hr))
- return hr;
-
- hr = m_Device->CreateRenderTargetView(backBuffer, NULL, &m_BackBufferRTV);
- backBuffer->Release();
- if (FAILED(hr))
- return hr;
-
- if(m_DepthStencilDesc.Format != DXGI_FORMAT_UNKNOWN)
- {
- hr = m_Device->CreateTexture2D(&m_DepthStencilDesc, NULL, &m_DepthStencilBuffer);
- if (FAILED(hr))
- return hr;
-
- hr = m_Device->CreateDepthStencilView(m_DepthStencilBuffer, NULL, &m_DepthStencilDSV);
- if (FAILED(hr))
- return hr;
- }
-
- return S_OK;
-}
-
-void
-DeviceManager::MessageLoop()
-{
- MSG msg = {0};
-
- LARGE_INTEGER perfFreq, previousTime;
- QueryPerformanceFrequency(&perfFreq);
- QueryPerformanceCounter(&previousTime);
-
- while (WM_QUIT != msg.message)
- {
- if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
- {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
- else
- {
- PROFILER_BEGIN("Main Loop");
-
- LARGE_INTEGER newTime;
- QueryPerformanceCounter(&newTime);
-
- double elapsedSeconds = (m_FixedFrameInterval >= 0)
- ? m_FixedFrameInterval
- : (double)(newTime.QuadPart - previousTime.QuadPart) / (double)perfFreq.QuadPart;
-
- if(m_SwapChain && GetWindowState() != kWindowMinimized)
- {
- Animate(elapsedSeconds);
- Render();
- m_SwapChain->Present(m_SyncInterval, 0);
- Sleep(0);
- }
- else
- {
- // Release CPU resources when idle
- Sleep(1);
- }
-
- {
- m_vFrameTimes.push_back(elapsedSeconds);
- double timeSum = 0;
- for(auto it = m_vFrameTimes.begin(); it != m_vFrameTimes.end(); it++)
- timeSum += *it;
-
- if(timeSum > m_AverageTimeUpdateInterval)
- {
- m_AverageFrameTime = timeSum / (double)m_vFrameTimes.size();
- m_vFrameTimes.clear();
- }
- }
-
- previousTime = newTime;
-
- PROFILER_END();
- PROFILER_RESET();
- }
-
- }
-}
-
-LRESULT
-DeviceManager::MsgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
-{
- switch(uMsg)
- {
- case WM_DESTROY:
- case WM_CLOSE:
- PostQuitMessage(0);
- return 0;
-
- case WM_SYSKEYDOWN:
- if(wParam == VK_F4)
- {
- PostQuitMessage(0);
- return 0;
- }
- break;
-
- case WM_ENTERSIZEMOVE:
- m_InSizingModalLoop = true;
- m_NewWindowSize.cx = m_SwapChainDesc.BufferDesc.Width;
- m_NewWindowSize.cy = m_SwapChainDesc.BufferDesc.Height;
- break;
-
- case WM_EXITSIZEMOVE:
- m_InSizingModalLoop = false;
- ResizeSwapChain();
- break;
-
- case WM_SIZE:
- // Ignore the WM_SIZE event if there is no device,
- // or if the window has been minimized (size == 0),
- // or if it has been restored to the previous size (this part is tested inside ResizeSwapChain)
- if (m_Device && (lParam != 0))
- {
- m_NewWindowSize.cx = LOWORD(lParam);
- m_NewWindowSize.cy = HIWORD(lParam);
-
- if(!m_InSizingModalLoop)
- ResizeSwapChain();
- }
- }
-
- if( uMsg >= WM_MOUSEFIRST && uMsg <= WM_MOUSELAST ||
- uMsg >= WM_KEYFIRST && uMsg <= WM_KEYLAST )
- {
- // processing messages front-to-back
- for(auto it = m_vControllers.begin(); it != m_vControllers.end(); it++)
- {
- if((*it)->IsEnabled())
- {
- // for kb/mouse messages, 0 means the message has been handled
- if(0 == (*it)->MsgProc(hWnd, uMsg, wParam, lParam))
- return 0;
- }
- }
- }
-
- return DefWindowProc(hWnd, uMsg, wParam, lParam);
-}
-
-void
-DeviceManager::ResizeSwapChain()
-{
- if(m_NewWindowSize.cx == (LONG)m_SwapChainDesc.BufferDesc.Width &&
- m_NewWindowSize.cy == (LONG)m_SwapChainDesc.BufferDesc.Height)
- return;
-
- m_SwapChainDesc.BufferDesc.Width = m_NewWindowSize.cx;
- m_SwapChainDesc.BufferDesc.Height = m_NewWindowSize.cy;
-
- ID3D11RenderTargetView *nullRTV = NULL;
- m_ImmediateContext->OMSetRenderTargets(1, &nullRTV, NULL);
- SAFE_RELEASE(m_BackBufferRTV);
- SAFE_RELEASE(m_DepthStencilDSV);
- SAFE_RELEASE(m_DepthStencilBuffer);
-
- if (m_SwapChain)
- {
- // Resize the swap chain
- m_SwapChain->ResizeBuffers(m_SwapChainDesc.BufferCount, m_SwapChainDesc.BufferDesc.Width,
- m_SwapChainDesc.BufferDesc.Height, m_SwapChainDesc.BufferDesc.Format,
- m_SwapChainDesc.Flags);
-
- m_DepthStencilDesc.Width = m_NewWindowSize.cx;
- m_DepthStencilDesc.Height = m_NewWindowSize.cy;
-
- CreateRenderTargetAndDepthStencil();
-
- BackBufferResized();
- }
-}
-
-void
-DeviceManager::Render()
-{
- PROFILER_SCOPED_FUNCTION();
-
- D3D11_VIEWPORT viewport = { 0.0f, 0.0f, (float)m_SwapChainDesc.BufferDesc.Width, (float)m_SwapChainDesc.BufferDesc.Height, 0.0f, 1.0f };
-
- // rendering back-to-front
- for(auto it = m_vControllers.rbegin(); it != m_vControllers.rend(); it++)
- {
- if((*it)->IsEnabled())
- {
- m_ImmediateContext->OMSetRenderTargets(1, &m_BackBufferRTV, m_DepthStencilDSV);
- m_ImmediateContext->RSSetViewports(1, &viewport);
-
- (*it)->Render(m_Device, m_ImmediateContext, m_BackBufferRTV, m_DepthStencilDSV);
- }
- }
-
- m_ImmediateContext->OMSetRenderTargets(0, NULL, NULL);
-}
-
-void
-DeviceManager::Animate(double fElapsedTimeSeconds)
-{
- PROFILER_SCOPED_FUNCTION();
-
- // front-to-back, but the order shouldn't matter
- for(auto it = m_vControllers.begin(); it != m_vControllers.end(); it++)
- {
- if((*it)->IsEnabled())
- {
- (*it)->Animate(fElapsedTimeSeconds);
- }
- }
-}
-
-void
-DeviceManager::DeviceCreated()
-{
- // creating resources front-to-back
- for(auto it = m_vControllers.begin(); it != m_vControllers.end(); it++)
- {
- (*it)->DeviceCreated(m_Device);
- }
-}
-
-void
-DeviceManager::DeviceDestroyed()
-{
- // releasing resources back-to-front
- for(auto it = m_vControllers.rbegin(); it != m_vControllers.rend(); it++)
- {
- (*it)->DeviceDestroyed();
- }
-}
-
-void
-DeviceManager::BackBufferResized()
-{
- if(m_SwapChain == NULL)
- return;
-
- DXGI_SURFACE_DESC backSD;
- backSD.Format = m_SwapChainDesc.BufferDesc.Format;
- backSD.Width = m_SwapChainDesc.BufferDesc.Width;
- backSD.Height = m_SwapChainDesc.BufferDesc.Height;
- backSD.SampleDesc = m_SwapChainDesc.SampleDesc;
-
- for(auto it = m_vControllers.begin(); it != m_vControllers.end(); it++)
- {
- (*it)->BackBufferResized(m_Device, &backSD);
- }
-}
-
-HRESULT
-DeviceManager::ChangeBackBufferFormat(DXGI_FORMAT format, UINT sampleCount)
-{
- HRESULT hr = E_FAIL;
-
- if((format == DXGI_FORMAT_UNKNOWN || format == m_SwapChainDesc.BufferDesc.Format) &&
- (sampleCount == 0 || sampleCount == m_SwapChainDesc.SampleDesc.Count))
- return S_FALSE;
-
- if(m_Device)
- {
- bool fullscreen = (GetWindowState() == kWindowFullscreen);
- if(fullscreen)
- m_SwapChain->SetFullscreenState(false, NULL);
-
- IDXGISwapChain* newSwapChain = NULL;
- DXGI_SWAP_CHAIN_DESC newSwapChainDesc = m_SwapChainDesc;
-
- if(format != DXGI_FORMAT_UNKNOWN)
- newSwapChainDesc.BufferDesc.Format = format;
- if(sampleCount != 0)
- newSwapChainDesc.SampleDesc.Count = sampleCount;
-
- IDXGIAdapter* pDXGIAdapter = GetDXGIAdapter();
-
- IDXGIFactory* pDXGIFactory = NULL;
- pDXGIAdapter->GetParent(__uuidof(IDXGIFactory), reinterpret_cast<void**>(&pDXGIFactory));
-
- hr = pDXGIFactory->CreateSwapChain(m_Device, &newSwapChainDesc, &newSwapChain);
-
- pDXGIFactory->Release();
- pDXGIAdapter->Release();
-
- if (FAILED(hr))
- {
- if(fullscreen)
- m_SwapChain->SetFullscreenState(true, NULL);
-
- return hr;
- }
-
- SAFE_RELEASE(m_BackBufferRTV);
- SAFE_RELEASE(m_SwapChain);
- SAFE_RELEASE(m_DepthStencilBuffer);
- SAFE_RELEASE(m_DepthStencilDSV);
-
- m_SwapChain = newSwapChain;
- m_SwapChainDesc = newSwapChainDesc;
-
- m_DepthStencilDesc.SampleDesc.Count = sampleCount;
-
- if(fullscreen)
- m_SwapChain->SetFullscreenState(true, NULL);
-
- CreateRenderTargetAndDepthStencil();
- BackBufferResized();
- }
-
- return S_OK;
-}
-
-void
-DeviceManager::AddControllerToFront(IVisualController* pController)
-{
- m_vControllers.remove(pController);
- m_vControllers.push_front(pController);
-}
-
-void
-DeviceManager::AddControllerToBack(IVisualController* pController)
-{
- m_vControllers.remove(pController);
- m_vControllers.push_back(pController);
-}
-
-void
-DeviceManager::RemoveController(IVisualController* pController)
-{
- m_vControllers.remove(pController);
-}
-
-HRESULT
-DeviceManager::ResizeWindow(int width, int height)
-{
- if(m_SwapChain == NULL)
- return E_FAIL;
-
- RECT rect;
- GetWindowRect(m_hWnd, &rect);
-
- ShowWindow(m_hWnd, SW_RESTORE);
-
- if(!MoveWindow(m_hWnd, rect.left, rect.top, width, height, true))
- return E_FAIL;
-
- // No need to call m_SwapChain->ResizeBackBuffer because MoveWindow will send WM_SIZE, which calls that function.
-
- return S_OK;
-}
-
-HRESULT
-DeviceManager::EnterFullscreenMode(int width, int height)
-{
- if(m_SwapChain == NULL)
- return E_FAIL;
-
- if(GetWindowState() == kWindowFullscreen)
- return S_FALSE;
-
- if(width <= 0 || height <= 0)
- {
- width = m_SwapChainDesc.BufferDesc.Width;
- height = m_SwapChainDesc.BufferDesc.Height;
- }
-
- SetWindowLong(m_hWnd, GWL_STYLE, WINDOW_STYLE_FULLSCREEN);
- MoveWindow(m_hWnd, 0, 0, width, height, true);
-
- HRESULT hr = m_SwapChain->SetFullscreenState(true, NULL);
-
- if(FAILED(hr))
- {
- SetWindowLong(m_hWnd, GWL_STYLE, WINDOW_STYLE_NORMAL);
- return hr;
- }
-
- UpdateWindow(m_hWnd);
- m_SwapChain->GetDesc(&m_SwapChainDesc);
-
- return S_OK;
-}
-
-HRESULT
-DeviceManager::LeaveFullscreenMode(int windowWidth, int windowHeight)
-{
- if(m_SwapChain == NULL)
- return E_FAIL;
-
- if(GetWindowState() != kWindowFullscreen)
- return S_FALSE;
-
- HRESULT hr = m_SwapChain->SetFullscreenState(false, NULL);
- if(FAILED(hr)) return hr;
-
- SetWindowLong(m_hWnd, GWL_STYLE, WINDOW_STYLE_NORMAL);
-
- if(windowWidth <= 0 || windowHeight <= 0)
- {
- windowWidth = m_SwapChainDesc.BufferDesc.Width;
- windowHeight = m_SwapChainDesc.BufferDesc.Height;
- }
-
- RECT rect = { 0, 0, windowWidth, windowHeight };
- AdjustWindowRect(&rect, WINDOW_STYLE_NORMAL, FALSE);
- MoveWindow(m_hWnd, 0, 0, rect.right - rect.left, rect.bottom - rect.top, true);
- UpdateWindow(m_hWnd);
-
- m_SwapChain->GetDesc(&m_SwapChainDesc);
-
- return S_OK;
-}
-
-HRESULT
-DeviceManager::ToggleFullscreen()
-{
- if(GetWindowState() == kWindowFullscreen)
- return LeaveFullscreenMode();
- else
- return EnterFullscreenMode();
-}
-
-DeviceManager::WindowState
-DeviceManager::GetWindowState()
-{
- if(m_SwapChain && !m_SwapChainDesc.Windowed)
- return kWindowFullscreen;
-
- if(m_hWnd == INVALID_HANDLE_VALUE)
- return kWindowNone;
-
- if(IsZoomed(m_hWnd))
- return kWindowMaximized;
-
- if(IsIconic(m_hWnd))
- return kWindowMinimized;
-
- return kWindowNormal;
-}
-
-HRESULT
-DeviceManager::GetDisplayResolution(int& width, int& height)
-{
- if(m_hWnd != INVALID_HANDLE_VALUE)
- {
- HMONITOR monitor = MonitorFromWindow(m_hWnd, MONITOR_DEFAULTTOPRIMARY);
- MONITORINFO info;
- info.cbSize = sizeof(MONITORINFO);
-
- if(GetMonitorInfo(monitor, &info))
- {
- width = info.rcMonitor.right - info.rcMonitor.left;
- height = info.rcMonitor.bottom - info.rcMonitor.top;
- return S_OK;
- }
- }
-
- return E_FAIL;
-}
-
-IDXGIAdapter*
-DeviceManager::GetDXGIAdapter()
-{
- if(!m_Device)
- return NULL;
-
- IDXGIDevice* pDXGIDevice = NULL;
- m_Device->QueryInterface(__uuidof(IDXGIDevice), reinterpret_cast<void**>(&pDXGIDevice));
-
- IDXGIAdapter* pDXGIAdapter = NULL;
- pDXGIDevice->GetParent(__uuidof(IDXGIAdapter), reinterpret_cast<void**>(&pDXGIAdapter));
-
- pDXGIDevice->Release();
-
- return pDXGIAdapter;
-}
+// TAGRELEASE: PUBLIC
+
+#include "DeviceManager.h"
+#include <WinUser.h>
+#include <Windows.h>
+#include <assert.h>
+#include <sstream>
+#include <algorithm>
+#include "SampleProfiler.h"
+
+#ifndef SAFE_RELEASE
+#define SAFE_RELEASE(p) { if (p) { (p)->Release(); (p)=NULL; } }
+#endif
+
+#define WINDOW_CLASS_NAME L"NvDX11"
+
+#define WINDOW_STYLE_NORMAL (WS_OVERLAPPEDWINDOW | WS_VISIBLE)
+#define WINDOW_STYLE_FULLSCREEN (WS_POPUP | WS_SYSMENU | WS_VISIBLE)
+
+// A singleton, sort of... To pass the events from WindowProc to the object.
+DeviceManager* g_DeviceManagerInstance = NULL;
+
+#undef min
+#undef max
+
+LRESULT CALLBACK WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+ if(g_DeviceManagerInstance)
+ return g_DeviceManagerInstance->MsgProc(hWnd, uMsg, wParam, lParam);
+ else
+ return DefWindowProc(hWnd, uMsg, wParam, lParam);
+}
+
+DeviceManager* GetDeviceManager()
+{
+ return g_DeviceManagerInstance;
+}
+
+namespace
+{
+ bool IsNvDeviceID(UINT id)
+ {
+ return id == 0x10DE;
+ }
+
+ // Find an adapter whose name contains the given string.
+ IDXGIAdapter* FindAdapter(const WCHAR* targetName, bool& isNv)
+ {
+ IDXGIAdapter* targetAdapter = NULL;
+ IDXGIFactory* IDXGIFactory_0001 = NULL;
+ HRESULT hres = CreateDXGIFactory(__uuidof(IDXGIFactory), (void**)&IDXGIFactory_0001);
+ if (hres != S_OK)
+ {
+ printf("ERROR in CreateDXGIFactory, %s@%d.\nFor more info, get log from debug D3D runtime: (1) Install DX SDK, and enable Debug D3D from DX Control Panel Utility. (2) Install and start DbgView. (3) Try running the program again.\n",__FILE__,__LINE__);
+ return targetAdapter;
+ }
+
+ unsigned int adapterNo = 0;
+ while (SUCCEEDED(hres))
+ {
+ IDXGIAdapter* pAdapter = NULL;
+ hres = IDXGIFactory_0001->EnumAdapters(adapterNo, (IDXGIAdapter**)&pAdapter);
+
+ if (SUCCEEDED(hres))
+ {
+ DXGI_ADAPTER_DESC aDesc;
+ pAdapter->GetDesc(&aDesc);
+
+ // If no name is specified, return the first adapater. This is the same behaviour as the
+ // default specified for D3D11CreateDevice when no adapter is specified.
+ if (wcslen(targetName) == 0)
+ {
+ targetAdapter = pAdapter;
+ isNv = IsNvDeviceID(aDesc.VendorId);
+ break;
+ }
+
+ std::wstring aName = aDesc.Description;
+ if (aName.find(targetName) != std::string::npos)
+ {
+ targetAdapter = pAdapter;
+ isNv = IsNvDeviceID(aDesc.VendorId);
+ }
+ else
+ {
+ pAdapter->Release();
+ }
+ }
+
+ adapterNo++;
+ }
+
+ if (IDXGIFactory_0001)
+ IDXGIFactory_0001->Release();
+
+ return targetAdapter;
+ }
+
+ // Adjust window rect so that it is centred on the given adapter. Clamps to fit if it's too big.
+ RECT MoveWindowOntoAdapter(IDXGIAdapter* targetAdapter, const RECT& rect)
+ {
+ assert(targetAdapter != NULL);
+
+ RECT result = rect;
+ HRESULT hres = S_OK;
+ unsigned int outputNo = 0;
+ while (SUCCEEDED(hres))
+ {
+ IDXGIOutput* pOutput = NULL;
+ hres = targetAdapter->EnumOutputs(outputNo++, &pOutput);
+
+ if (SUCCEEDED(hres) && pOutput)
+ {
+ DXGI_OUTPUT_DESC OutputDesc;
+ pOutput->GetDesc( &OutputDesc );
+ const RECT desktop = OutputDesc.DesktopCoordinates;
+ const int centreX = (int) desktop.left + (int)(desktop.right - desktop.left) / 2;
+ const int centreY = (int) desktop.top + (int)(desktop.bottom - desktop.top) / 2;
+ const int winW = rect.right - rect.left;
+ const int winH = rect.bottom - rect.top;
+ int left = centreX - winW/2;
+ int right = left + winW;
+ int top = centreY - winH/2;
+ int bottom = top + winH;
+ result.left = std::max(left, (int) desktop.left);
+ result.right = std::min(right, (int) desktop.right);
+ result.bottom = std::min(bottom, (int) desktop.bottom);
+ result.top = std::max(top, (int) desktop.top);
+ pOutput->Release();
+
+ // If there is more than one output, go with the first found. Multi-monitor support could go here.
+ break;
+ }
+ }
+ return result;
+ }
+}
+
+HRESULT
+DeviceManager::CreateWindowDeviceAndSwapChain(const DeviceCreationParameters& params, std::wstring title)
+{
+ g_DeviceManagerInstance = this;
+ m_WindowTitle = title;
+
+ HINSTANCE hInstance = GetModuleHandle(NULL);
+ WNDCLASSEX windowClass = { sizeof(WNDCLASSEX), CS_HREDRAW | CS_VREDRAW, WindowProc,
+ 0L, 0L, hInstance, NULL, NULL, NULL, NULL, WINDOW_CLASS_NAME, NULL };
+
+ windowClass.hCursor = LoadCursor(NULL, IDC_ARROW);
+
+ RegisterClassEx(&windowClass);
+
+ UINT windowStyle = params.startFullscreen
+ ? WINDOW_STYLE_FULLSCREEN
+ : params.startMaximized
+ ? (WINDOW_STYLE_NORMAL | WS_MAXIMIZE)
+ : WINDOW_STYLE_NORMAL;
+
+ RECT rect = { 0, 0, params.backBufferWidth, params.backBufferHeight };
+ AdjustWindowRect(&rect, windowStyle, FALSE);
+
+ IDXGIAdapter* targetAdapter = FindAdapter(params.adapterNameSubstring, m_IsNvidia);
+ if (targetAdapter)
+ {
+ rect = MoveWindowOntoAdapter(targetAdapter, rect);
+ }
+ else
+ {
+ // We could silently use a default adapter in this case. I think it's better to choke.
+ std::wostringstream ostr;
+ ostr << L"Could not find an adapter matching \"" << params.adapterNameSubstring << "\"" << std::ends;
+ MessageBox(NULL, ostr.str().c_str(), m_WindowTitle.c_str(), MB_OK | MB_ICONERROR);
+ return E_FAIL;
+ }
+
+ m_hWnd = CreateWindowEx(
+ 0,
+ WINDOW_CLASS_NAME,
+ title.c_str(),
+ windowStyle,
+ rect.left,
+ rect.top,
+ rect.right - rect.left,
+ rect.bottom - rect.top,
+ GetDesktopWindow(),
+ NULL,
+ hInstance,
+ NULL
+ );
+
+ if(!m_hWnd)
+ {
+#ifdef DEBUG
+ DWORD errorCode = GetLastError();
+ printf("CreateWindowEx error code = 0x%x\n", errorCode);
+#endif
+
+ MessageBox(NULL, L"Cannot create window", m_WindowTitle.c_str(), MB_OK | MB_ICONERROR);
+ return E_FAIL;
+ }
+
+ UpdateWindow(m_hWnd);
+
+ HRESULT hr = E_FAIL;
+
+ RECT clientRect;
+ GetClientRect(m_hWnd, &clientRect);
+ UINT width = clientRect.right - clientRect.left;
+ UINT height = clientRect.bottom - clientRect.top;
+
+ ZeroMemory(&m_SwapChainDesc, sizeof(m_SwapChainDesc));
+ m_SwapChainDesc.BufferCount = params.swapChainBufferCount;
+ m_SwapChainDesc.BufferDesc.Width = width;
+ m_SwapChainDesc.BufferDesc.Height = height;
+ m_SwapChainDesc.BufferDesc.Format = params.swapChainFormat;
+ m_SwapChainDesc.BufferDesc.RefreshRate.Numerator = params.refreshRate;
+ m_SwapChainDesc.BufferDesc.RefreshRate.Denominator = 0;
+ m_SwapChainDesc.BufferUsage = params.swapChainUsage;
+ m_SwapChainDesc.OutputWindow = m_hWnd;
+ m_SwapChainDesc.SampleDesc.Count = params.swapChainSampleCount;
+ m_SwapChainDesc.SampleDesc.Quality = params.swapChainSampleQuality;
+ m_SwapChainDesc.Windowed = !params.startFullscreen;
+ m_SwapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH;
+
+ // The D3D documentation says that if adapter is non-null, driver type must be unknown. Why not put
+ // this logic in the CreateDevice fns then?!?
+ const D3D_DRIVER_TYPE dType = (targetAdapter)? D3D_DRIVER_TYPE_UNKNOWN: params.driverType;
+
+ hr = D3D11CreateDeviceAndSwapChain(
+ targetAdapter, // pAdapter
+ dType, // DriverType
+ NULL, // Software
+ params.createDeviceFlags, // Flags
+ &params.featureLevel, // pFeatureLevels
+ 1, // FeatureLevels
+ D3D11_SDK_VERSION, // SDKVersion
+ &m_SwapChainDesc, // pSwapChainDesc
+ &m_SwapChain, // ppSwapChain
+ &m_Device, // ppDevice
+ NULL, // pFeatureLevel
+ &m_ImmediateContext // ppImmediateContext
+ );
+
+ if (targetAdapter)
+ targetAdapter->Release();
+
+ if(FAILED(hr))
+ return hr;
+
+ m_DepthStencilDesc.ArraySize = 1;
+ m_DepthStencilDesc.BindFlags = D3D11_BIND_DEPTH_STENCIL;
+ m_DepthStencilDesc.CPUAccessFlags = 0;
+ m_DepthStencilDesc.Format = params.depthStencilFormat;
+ m_DepthStencilDesc.Width = width;
+ m_DepthStencilDesc.Height = height;
+ m_DepthStencilDesc.MipLevels = 1;
+ m_DepthStencilDesc.MiscFlags = 0;
+ m_DepthStencilDesc.SampleDesc.Count = params.swapChainSampleCount;
+ m_DepthStencilDesc.SampleDesc.Quality = 0;
+ m_DepthStencilDesc.Usage = D3D11_USAGE_DEFAULT;
+
+ hr = CreateRenderTargetAndDepthStencil();
+
+ if(FAILED(hr))
+ return hr;
+
+ DeviceCreated();
+ BackBufferResized();
+
+ return S_OK;
+}
+
+void
+DeviceManager::Shutdown()
+{
+ if(m_SwapChain && GetWindowState() == kWindowFullscreen)
+ m_SwapChain->SetFullscreenState(false, NULL);
+
+ DeviceDestroyed();
+
+ SAFE_RELEASE(m_BackBufferRTV);
+ SAFE_RELEASE(m_DepthStencilDSV);
+ SAFE_RELEASE(m_DepthStencilBuffer);
+
+ g_DeviceManagerInstance = NULL;
+ SAFE_RELEASE(m_ImmediateContext);
+ SAFE_RELEASE(m_SwapChain);
+
+ ID3D11Debug * d3dDebug = nullptr;
+ if (nullptr != m_Device)
+ {
+ ID3D11DeviceContext* pCtx;
+ m_Device->GetImmediateContext(&pCtx);
+ pCtx->ClearState();
+ pCtx->Flush();
+ pCtx->Release();
+ if (SUCCEEDED(m_Device->QueryInterface(__uuidof(ID3D11Debug), reinterpret_cast<void**>(&d3dDebug))))
+ {
+ d3dDebug->ReportLiveDeviceObjects(D3D11_RLDO_DETAIL);
+ d3dDebug->Release();
+ }
+ }
+ SAFE_RELEASE(m_Device);
+
+ if(m_hWnd)
+ {
+ DestroyWindow(m_hWnd);
+ m_hWnd = NULL;
+ }
+}
+
+HRESULT
+DeviceManager::CreateRenderTargetAndDepthStencil()
+{
+ HRESULT hr;
+
+ ID3D11Texture2D *backBuffer = NULL;
+ hr = m_SwapChain->GetBuffer(0, __uuidof(ID3D11Texture2D), (LPVOID*)&backBuffer);
+ if (FAILED(hr))
+ return hr;
+
+ hr = m_Device->CreateRenderTargetView(backBuffer, NULL, &m_BackBufferRTV);
+ backBuffer->Release();
+ if (FAILED(hr))
+ return hr;
+
+ if(m_DepthStencilDesc.Format != DXGI_FORMAT_UNKNOWN)
+ {
+ hr = m_Device->CreateTexture2D(&m_DepthStencilDesc, NULL, &m_DepthStencilBuffer);
+ if (FAILED(hr))
+ return hr;
+
+ hr = m_Device->CreateDepthStencilView(m_DepthStencilBuffer, NULL, &m_DepthStencilDSV);
+ if (FAILED(hr))
+ return hr;
+ }
+
+ return S_OK;
+}
+
+void
+DeviceManager::MessageLoop()
+{
+ MSG msg = {0};
+
+ LARGE_INTEGER perfFreq, previousTime;
+ QueryPerformanceFrequency(&perfFreq);
+ QueryPerformanceCounter(&previousTime);
+
+ while (WM_QUIT != msg.message)
+ {
+ if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
+ {
+ TranslateMessage(&msg);
+ DispatchMessage(&msg);
+ }
+ else
+ {
+ PROFILER_BEGIN("Main Loop");
+
+ LARGE_INTEGER newTime;
+ QueryPerformanceCounter(&newTime);
+
+ double elapsedSeconds = (m_FixedFrameInterval >= 0)
+ ? m_FixedFrameInterval
+ : (double)(newTime.QuadPart - previousTime.QuadPart) / (double)perfFreq.QuadPart;
+
+ if(m_SwapChain && GetWindowState() != kWindowMinimized)
+ {
+ Animate(elapsedSeconds);
+ Render();
+ m_SwapChain->Present(m_SyncInterval, 0);
+ Sleep(0);
+ }
+ else
+ {
+ // Release CPU resources when idle
+ Sleep(1);
+ }
+
+ {
+ m_vFrameTimes.push_back(elapsedSeconds);
+ double timeSum = 0;
+ for(auto it = m_vFrameTimes.begin(); it != m_vFrameTimes.end(); it++)
+ timeSum += *it;
+
+ if(timeSum > m_AverageTimeUpdateInterval)
+ {
+ m_AverageFrameTime = timeSum / (double)m_vFrameTimes.size();
+ m_vFrameTimes.clear();
+ }
+ }
+
+ previousTime = newTime;
+
+ PROFILER_END();
+ PROFILER_RESET();
+ }
+
+ }
+}
+
+LRESULT
+DeviceManager::MsgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+ switch(uMsg)
+ {
+ case WM_DESTROY:
+ case WM_CLOSE:
+ PostQuitMessage(0);
+ return 0;
+
+ case WM_SYSKEYDOWN:
+ if(wParam == VK_F4)
+ {
+ PostQuitMessage(0);
+ return 0;
+ }
+ break;
+
+ case WM_ENTERSIZEMOVE:
+ m_InSizingModalLoop = true;
+ m_NewWindowSize.cx = m_SwapChainDesc.BufferDesc.Width;
+ m_NewWindowSize.cy = m_SwapChainDesc.BufferDesc.Height;
+ break;
+
+ case WM_EXITSIZEMOVE:
+ m_InSizingModalLoop = false;
+ ResizeSwapChain();
+ break;
+
+ case WM_SIZE:
+ // Ignore the WM_SIZE event if there is no device,
+ // or if the window has been minimized (size == 0),
+ // or if it has been restored to the previous size (this part is tested inside ResizeSwapChain)
+ if (m_Device && (lParam != 0))
+ {
+ m_NewWindowSize.cx = LOWORD(lParam);
+ m_NewWindowSize.cy = HIWORD(lParam);
+
+ if(!m_InSizingModalLoop)
+ ResizeSwapChain();
+ }
+ }
+
+ if( uMsg >= WM_MOUSEFIRST && uMsg <= WM_MOUSELAST ||
+ uMsg >= WM_KEYFIRST && uMsg <= WM_KEYLAST )
+ {
+ // processing messages front-to-back
+ for(auto it = m_vControllers.begin(); it != m_vControllers.end(); it++)
+ {
+ if((*it)->IsEnabled())
+ {
+ // for kb/mouse messages, 0 means the message has been handled
+ if(0 == (*it)->MsgProc(hWnd, uMsg, wParam, lParam))
+ return 0;
+ }
+ }
+ }
+
+ return DefWindowProc(hWnd, uMsg, wParam, lParam);
+}
+
+void
+DeviceManager::ResizeSwapChain()
+{
+ if(m_NewWindowSize.cx == (LONG)m_SwapChainDesc.BufferDesc.Width &&
+ m_NewWindowSize.cy == (LONG)m_SwapChainDesc.BufferDesc.Height)
+ return;
+
+ m_SwapChainDesc.BufferDesc.Width = m_NewWindowSize.cx;
+ m_SwapChainDesc.BufferDesc.Height = m_NewWindowSize.cy;
+
+ ID3D11RenderTargetView *nullRTV = NULL;
+ m_ImmediateContext->OMSetRenderTargets(1, &nullRTV, NULL);
+ SAFE_RELEASE(m_BackBufferRTV);
+ SAFE_RELEASE(m_DepthStencilDSV);
+ SAFE_RELEASE(m_DepthStencilBuffer);
+
+ if (m_SwapChain)
+ {
+ // Resize the swap chain
+ m_SwapChain->ResizeBuffers(m_SwapChainDesc.BufferCount, m_SwapChainDesc.BufferDesc.Width,
+ m_SwapChainDesc.BufferDesc.Height, m_SwapChainDesc.BufferDesc.Format,
+ m_SwapChainDesc.Flags);
+
+ m_DepthStencilDesc.Width = m_NewWindowSize.cx;
+ m_DepthStencilDesc.Height = m_NewWindowSize.cy;
+
+ CreateRenderTargetAndDepthStencil();
+
+ BackBufferResized();
+ }
+}
+
+void
+DeviceManager::Render()
+{
+ PROFILER_SCOPED_FUNCTION();
+
+ D3D11_VIEWPORT viewport = { 0.0f, 0.0f, (float)m_SwapChainDesc.BufferDesc.Width, (float)m_SwapChainDesc.BufferDesc.Height, 0.0f, 1.0f };
+
+ // rendering back-to-front
+ for(auto it = m_vControllers.rbegin(); it != m_vControllers.rend(); it++)
+ {
+ if((*it)->IsEnabled())
+ {
+ m_ImmediateContext->OMSetRenderTargets(1, &m_BackBufferRTV, m_DepthStencilDSV);
+ m_ImmediateContext->RSSetViewports(1, &viewport);
+
+ (*it)->Render(m_Device, m_ImmediateContext, m_BackBufferRTV, m_DepthStencilDSV);
+ }
+ }
+
+ m_ImmediateContext->OMSetRenderTargets(0, NULL, NULL);
+}
+
+void
+DeviceManager::Animate(double fElapsedTimeSeconds)
+{
+ PROFILER_SCOPED_FUNCTION();
+
+ // front-to-back, but the order shouldn't matter
+ for(auto it = m_vControllers.begin(); it != m_vControllers.end(); it++)
+ {
+ if((*it)->IsEnabled())
+ {
+ (*it)->Animate(fElapsedTimeSeconds);
+ }
+ }
+}
+
+void
+DeviceManager::DeviceCreated()
+{
+ // creating resources front-to-back
+ for(auto it = m_vControllers.begin(); it != m_vControllers.end(); it++)
+ {
+ (*it)->DeviceCreated(m_Device);
+ }
+}
+
+void
+DeviceManager::DeviceDestroyed()
+{
+ // releasing resources back-to-front
+ for(auto it = m_vControllers.rbegin(); it != m_vControllers.rend(); it++)
+ {
+ (*it)->DeviceDestroyed();
+ }
+}
+
+void
+DeviceManager::BackBufferResized()
+{
+ if(m_SwapChain == NULL)
+ return;
+
+ DXGI_SURFACE_DESC backSD;
+ backSD.Format = m_SwapChainDesc.BufferDesc.Format;
+ backSD.Width = m_SwapChainDesc.BufferDesc.Width;
+ backSD.Height = m_SwapChainDesc.BufferDesc.Height;
+ backSD.SampleDesc = m_SwapChainDesc.SampleDesc;
+
+ for(auto it = m_vControllers.begin(); it != m_vControllers.end(); it++)
+ {
+ (*it)->BackBufferResized(m_Device, &backSD);
+ }
+}
+
+HRESULT
+DeviceManager::ChangeBackBufferFormat(DXGI_FORMAT format, UINT sampleCount)
+{
+ HRESULT hr = E_FAIL;
+
+ if((format == DXGI_FORMAT_UNKNOWN || format == m_SwapChainDesc.BufferDesc.Format) &&
+ (sampleCount == 0 || sampleCount == m_SwapChainDesc.SampleDesc.Count))
+ return S_FALSE;
+
+ if(m_Device)
+ {
+ bool fullscreen = (GetWindowState() == kWindowFullscreen);
+ if(fullscreen)
+ m_SwapChain->SetFullscreenState(false, NULL);
+
+ IDXGISwapChain* newSwapChain = NULL;
+ DXGI_SWAP_CHAIN_DESC newSwapChainDesc = m_SwapChainDesc;
+
+ if(format != DXGI_FORMAT_UNKNOWN)
+ newSwapChainDesc.BufferDesc.Format = format;
+ if(sampleCount != 0)
+ newSwapChainDesc.SampleDesc.Count = sampleCount;
+
+ IDXGIAdapter* pDXGIAdapter = GetDXGIAdapter();
+
+ IDXGIFactory* pDXGIFactory = NULL;
+ pDXGIAdapter->GetParent(__uuidof(IDXGIFactory), reinterpret_cast<void**>(&pDXGIFactory));
+
+ hr = pDXGIFactory->CreateSwapChain(m_Device, &newSwapChainDesc, &newSwapChain);
+
+ pDXGIFactory->Release();
+ pDXGIAdapter->Release();
+
+ if (FAILED(hr))
+ {
+ if(fullscreen)
+ m_SwapChain->SetFullscreenState(true, NULL);
+
+ return hr;
+ }
+
+ SAFE_RELEASE(m_BackBufferRTV);
+ SAFE_RELEASE(m_SwapChain);
+ SAFE_RELEASE(m_DepthStencilBuffer);
+ SAFE_RELEASE(m_DepthStencilDSV);
+
+ m_SwapChain = newSwapChain;
+ m_SwapChainDesc = newSwapChainDesc;
+
+ m_DepthStencilDesc.SampleDesc.Count = sampleCount;
+
+ if(fullscreen)
+ m_SwapChain->SetFullscreenState(true, NULL);
+
+ CreateRenderTargetAndDepthStencil();
+ BackBufferResized();
+ }
+
+ return S_OK;
+}
+
+void
+DeviceManager::AddControllerToFront(IVisualController* pController)
+{
+ m_vControllers.remove(pController);
+ m_vControllers.push_front(pController);
+}
+
+void
+DeviceManager::AddControllerToBack(IVisualController* pController)
+{
+ m_vControllers.remove(pController);
+ m_vControllers.push_back(pController);
+}
+
+void
+DeviceManager::RemoveController(IVisualController* pController)
+{
+ m_vControllers.remove(pController);
+}
+
+HRESULT
+DeviceManager::ResizeWindow(int width, int height)
+{
+ if(m_SwapChain == NULL)
+ return E_FAIL;
+
+ RECT rect;
+ GetWindowRect(m_hWnd, &rect);
+
+ ShowWindow(m_hWnd, SW_RESTORE);
+
+ if(!MoveWindow(m_hWnd, rect.left, rect.top, width, height, true))
+ return E_FAIL;
+
+ // No need to call m_SwapChain->ResizeBackBuffer because MoveWindow will send WM_SIZE, which calls that function.
+
+ return S_OK;
+}
+
+HRESULT
+DeviceManager::EnterFullscreenMode(int width, int height)
+{
+ if(m_SwapChain == NULL)
+ return E_FAIL;
+
+ if(GetWindowState() == kWindowFullscreen)
+ return S_FALSE;
+
+ if(width <= 0 || height <= 0)
+ {
+ width = m_SwapChainDesc.BufferDesc.Width;
+ height = m_SwapChainDesc.BufferDesc.Height;
+ }
+
+ SetWindowLong(m_hWnd, GWL_STYLE, WINDOW_STYLE_FULLSCREEN);
+ MoveWindow(m_hWnd, 0, 0, width, height, true);
+
+ HRESULT hr = m_SwapChain->SetFullscreenState(true, NULL);
+
+ if(FAILED(hr))
+ {
+ SetWindowLong(m_hWnd, GWL_STYLE, WINDOW_STYLE_NORMAL);
+ return hr;
+ }
+
+ UpdateWindow(m_hWnd);
+ m_SwapChain->GetDesc(&m_SwapChainDesc);
+
+ return S_OK;
+}
+
+HRESULT
+DeviceManager::LeaveFullscreenMode(int windowWidth, int windowHeight)
+{
+ if(m_SwapChain == NULL)
+ return E_FAIL;
+
+ if(GetWindowState() != kWindowFullscreen)
+ return S_FALSE;
+
+ HRESULT hr = m_SwapChain->SetFullscreenState(false, NULL);
+ if(FAILED(hr)) return hr;
+
+ SetWindowLong(m_hWnd, GWL_STYLE, WINDOW_STYLE_NORMAL);
+
+ if(windowWidth <= 0 || windowHeight <= 0)
+ {
+ windowWidth = m_SwapChainDesc.BufferDesc.Width;
+ windowHeight = m_SwapChainDesc.BufferDesc.Height;
+ }
+
+ RECT rect = { 0, 0, windowWidth, windowHeight };
+ AdjustWindowRect(&rect, WINDOW_STYLE_NORMAL, FALSE);
+ MoveWindow(m_hWnd, 0, 0, rect.right - rect.left, rect.bottom - rect.top, true);
+ UpdateWindow(m_hWnd);
+
+ m_SwapChain->GetDesc(&m_SwapChainDesc);
+
+ return S_OK;
+}
+
+HRESULT
+DeviceManager::ToggleFullscreen()
+{
+ if(GetWindowState() == kWindowFullscreen)
+ return LeaveFullscreenMode();
+ else
+ return EnterFullscreenMode();
+}
+
+DeviceManager::WindowState
+DeviceManager::GetWindowState()
+{
+ if(m_SwapChain && !m_SwapChainDesc.Windowed)
+ return kWindowFullscreen;
+
+ if(m_hWnd == INVALID_HANDLE_VALUE)
+ return kWindowNone;
+
+ if(IsZoomed(m_hWnd))
+ return kWindowMaximized;
+
+ if(IsIconic(m_hWnd))
+ return kWindowMinimized;
+
+ return kWindowNormal;
+}
+
+HRESULT
+DeviceManager::GetDisplayResolution(int& width, int& height)
+{
+ if(m_hWnd != INVALID_HANDLE_VALUE)
+ {
+ HMONITOR monitor = MonitorFromWindow(m_hWnd, MONITOR_DEFAULTTOPRIMARY);
+ MONITORINFO info;
+ info.cbSize = sizeof(MONITORINFO);
+
+ if(GetMonitorInfo(monitor, &info))
+ {
+ width = info.rcMonitor.right - info.rcMonitor.left;
+ height = info.rcMonitor.bottom - info.rcMonitor.top;
+ return S_OK;
+ }
+ }
+
+ return E_FAIL;
+}
+
+IDXGIAdapter*
+DeviceManager::GetDXGIAdapter()
+{
+ if(!m_Device)
+ return NULL;
+
+ IDXGIDevice* pDXGIDevice = NULL;
+ m_Device->QueryInterface(__uuidof(IDXGIDevice), reinterpret_cast<void**>(&pDXGIDevice));
+
+ IDXGIAdapter* pDXGIAdapter = NULL;
+ pDXGIDevice->GetParent(__uuidof(IDXGIAdapter), reinterpret_cast<void**>(&pDXGIAdapter));
+
+ pDXGIDevice->Release();
+
+ return pDXGIAdapter;
+}