diff options
| author | Bryan Galdrikian <[email protected]> | 2018-05-31 11:36:08 -0700 |
|---|---|---|
| committer | Bryan Galdrikian <[email protected]> | 2018-05-31 11:36:08 -0700 |
| commit | 7115f60b91b5717d90f643fd692010905c7004db (patch) | |
| tree | effd68c6978751c517d54c2f2bb5bb6e7dc93e18 /samples/SampleBase/core/DeviceManager.cpp | |
| parent | Updating BlastTool zip (diff) | |
| download | blast-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.cpp | 1590 |
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 - ¶ms.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
+ ¶ms.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;
+}
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