From 650e5afde271d22b3653832daf339e1bd09a10d6 Mon Sep 17 00:00:00 2001 From: grm Date: Sat, 14 Mar 2026 02:29:15 +0200 Subject: Migrate to imgui 1.92.6 and SDL3 --- .../example_win32_directx12/build_win32.bat | 9 - .../example_win32_directx12.vcxproj | 180 -------- .../example_win32_directx12.vcxproj.filters | 65 --- .../examples/example_win32_directx12/main.cpp | 483 --------------------- 4 files changed, 737 deletions(-) delete mode 100644 lib/imgui-1.90.7/examples/example_win32_directx12/build_win32.bat delete mode 100644 lib/imgui-1.90.7/examples/example_win32_directx12/example_win32_directx12.vcxproj delete mode 100644 lib/imgui-1.90.7/examples/example_win32_directx12/example_win32_directx12.vcxproj.filters delete mode 100644 lib/imgui-1.90.7/examples/example_win32_directx12/main.cpp (limited to 'lib/imgui-1.90.7/examples/example_win32_directx12') diff --git a/lib/imgui-1.90.7/examples/example_win32_directx12/build_win32.bat b/lib/imgui-1.90.7/examples/example_win32_directx12/build_win32.bat deleted file mode 100644 index 68e3c92..0000000 --- a/lib/imgui-1.90.7/examples/example_win32_directx12/build_win32.bat +++ /dev/null @@ -1,9 +0,0 @@ -@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler. -@REM Important: to build on 32-bit systems, the DX12 backends needs '#define ImTextureID ImU64', so we pass it here. -@set OUT_DIR=Debug -@set OUT_EXE=example_win32_directx12 -@set INCLUDES=/I..\.. /I..\..\backends /I "%WindowsSdkDir%Include\um" /I "%WindowsSdkDir%Include\shared" -@set SOURCES=main.cpp ..\..\backends\imgui_impl_dx12.cpp ..\..\backends\imgui_impl_win32.cpp ..\..\imgui*.cpp -@set LIBS=d3d12.lib d3dcompiler.lib dxgi.lib -mkdir Debug -cl /nologo /Zi /MD /utf-8 %INCLUDES% /D ImTextureID=ImU64 /D UNICODE /D _UNICODE %SOURCES% /Fe%OUT_DIR%/%OUT_EXE%.exe /Fo%OUT_DIR%/ /link %LIBS% diff --git a/lib/imgui-1.90.7/examples/example_win32_directx12/example_win32_directx12.vcxproj b/lib/imgui-1.90.7/examples/example_win32_directx12/example_win32_directx12.vcxproj deleted file mode 100644 index 7b64371..0000000 --- a/lib/imgui-1.90.7/examples/example_win32_directx12/example_win32_directx12.vcxproj +++ /dev/null @@ -1,180 +0,0 @@ - - - - - Debug - Win32 - - - Debug - x64 - - - Release - Win32 - - - Release - x64 - - - - {b4cf9797-519d-4afe-a8f4-5141a6b521d3} - example_win32_directx12 - 10.0.18362.0 - - - - Application - true - Unicode - v140 - - - Application - true - Unicode - v140 - - - Application - false - true - Unicode - v140 - - - Application - false - true - Unicode - v140 - - - - - - - - - - - - - - - - - - - $(ProjectDir)$(Configuration)\ - $(ProjectDir)$(Configuration)\ - - - $(ProjectDir)$(Configuration)\ - $(ProjectDir)$(Configuration)\ - - - $(ProjectDir)$(Configuration)\ - $(ProjectDir)$(Configuration)\ - - - $(ProjectDir)$(Configuration)\ - $(ProjectDir)$(Configuration)\ - - - - Level4 - Disabled - ..\..;..\..\backends;%(AdditionalIncludeDirectories) - ImTextureID=ImU64;_UNICODE;UNICODE;%(PreprocessorDefinitions) - /utf-8 %(AdditionalOptions) - - - true - d3d12.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies) - %(AdditionalLibraryDirectories) - Console - - - - - Level4 - Disabled - ..\..;..\..\backends;%(AdditionalIncludeDirectories) - ImTextureID=ImU64;_UNICODE;UNICODE;%(PreprocessorDefinitions) - /utf-8 %(AdditionalOptions) - - - true - d3d12.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies) - %(AdditionalLibraryDirectories) - Console - - - - - Level4 - MaxSpeed - true - true - ..\..;..\..\backends;%(AdditionalIncludeDirectories) - ImTextureID=ImU64;_UNICODE;UNICODE;%(PreprocessorDefinitions) - /utf-8 %(AdditionalOptions) - - - true - true - true - d3d12.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies) - %(AdditionalLibraryDirectories) - Console - - - - - Level4 - MaxSpeed - true - true - ..\..;..\..\backends;%(AdditionalIncludeDirectories) - ImTextureID=ImU64;_UNICODE;UNICODE;%(PreprocessorDefinitions) - /utf-8 %(AdditionalOptions) - - - true - true - true - d3d12.lib;d3dcompiler.lib;dxgi.lib;%(AdditionalDependencies) - %(AdditionalLibraryDirectories) - Console - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - \ No newline at end of file diff --git a/lib/imgui-1.90.7/examples/example_win32_directx12/example_win32_directx12.vcxproj.filters b/lib/imgui-1.90.7/examples/example_win32_directx12/example_win32_directx12.vcxproj.filters deleted file mode 100644 index 23a9952..0000000 --- a/lib/imgui-1.90.7/examples/example_win32_directx12/example_win32_directx12.vcxproj.filters +++ /dev/null @@ -1,65 +0,0 @@ - - - - - {fb3d294f-51ec-478e-a627-25831c80fefd} - - - {4f33ddea-9910-456d-b868-4267eb3c2b19} - - - - - imgui - - - imgui - - - imgui - - - sources - - - sources - - - - - imgui - - - sources - - - imgui - - - imgui - - - sources - - - sources - - - imgui - - - imgui - - - - - - imgui - - - - - imgui - - - \ No newline at end of file diff --git a/lib/imgui-1.90.7/examples/example_win32_directx12/main.cpp b/lib/imgui-1.90.7/examples/example_win32_directx12/main.cpp deleted file mode 100644 index 57a481c..0000000 --- a/lib/imgui-1.90.7/examples/example_win32_directx12/main.cpp +++ /dev/null @@ -1,483 +0,0 @@ -// Dear ImGui: standalone example application for DirectX 12 - -// Learn about Dear ImGui: -// - FAQ https://dearimgui.com/faq -// - Getting Started https://dearimgui.com/getting-started -// - Documentation https://dearimgui.com/docs (same as your local docs/ folder). -// - Introduction, links and more at the top of imgui.cpp - -// Important: to compile on 32-bit systems, the DirectX12 backend requires code to be compiled with '#define ImTextureID ImU64'. -// This is because we need ImTextureID to carry a 64-bit value and by default ImTextureID is defined as void*. -// This define is set in the example .vcxproj file and need to be replicated in your app or by adding it to your imconfig.h file. - -#include "imgui.h" -#include "imgui_impl_win32.h" -#include "imgui_impl_dx12.h" -#include -#include -#include - -#ifdef _DEBUG -#define DX12_ENABLE_DEBUG_LAYER -#endif - -#ifdef DX12_ENABLE_DEBUG_LAYER -#include -#pragma comment(lib, "dxguid.lib") -#endif - -#include "imgui_internal.h" - -struct FrameContext -{ - ID3D12CommandAllocator* CommandAllocator; - UINT64 FenceValue; -}; - -// Data -static int const NUM_FRAMES_IN_FLIGHT = 3; -static FrameContext g_frameContext[NUM_FRAMES_IN_FLIGHT] = {}; -static UINT g_frameIndex = 0; - -static int const NUM_BACK_BUFFERS = 3; -static ID3D12Device* g_pd3dDevice = nullptr; -static ID3D12DescriptorHeap* g_pd3dRtvDescHeap = nullptr; -static ID3D12DescriptorHeap* g_pd3dSrvDescHeap = nullptr; -static ID3D12CommandQueue* g_pd3dCommandQueue = nullptr; -static ID3D12GraphicsCommandList* g_pd3dCommandList = nullptr; -static ID3D12Fence* g_fence = nullptr; -static HANDLE g_fenceEvent = nullptr; -static UINT64 g_fenceLastSignaledValue = 0; -static IDXGISwapChain3* g_pSwapChain = nullptr; -static bool g_SwapChainOccluded = false; -static HANDLE g_hSwapChainWaitableObject = nullptr; -static ID3D12Resource* g_mainRenderTargetResource[NUM_BACK_BUFFERS] = {}; -static D3D12_CPU_DESCRIPTOR_HANDLE g_mainRenderTargetDescriptor[NUM_BACK_BUFFERS] = {}; - -// Forward declarations of helper functions -bool CreateDeviceD3D(HWND hWnd); -void CleanupDeviceD3D(); -void CreateRenderTarget(); -void CleanupRenderTarget(); -void WaitForLastSubmittedFrame(); -FrameContext* WaitForNextFrameResources(); -LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); - -// Main code -int main(int, char**) -{ - // Create application window - //ImGui_ImplWin32_EnableDpiAwareness(); - WNDCLASSEXW wc = { sizeof(wc), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(nullptr), nullptr, nullptr, nullptr, nullptr, L"ImGui Example", nullptr }; - ::RegisterClassExW(&wc); - HWND hwnd = ::CreateWindowW(wc.lpszClassName, L"Dear ImGui DirectX12 Example", WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, nullptr, nullptr, wc.hInstance, nullptr); - - // Initialize Direct3D - if (!CreateDeviceD3D(hwnd)) - { - CleanupDeviceD3D(); - ::UnregisterClassW(wc.lpszClassName, wc.hInstance); - return 1; - } - - // Show the window - ::ShowWindow(hwnd, SW_SHOWDEFAULT); - ::UpdateWindow(hwnd); - - // Setup Dear ImGui context - IMGUI_CHECKVERSION(); - ImGui::CreateContext(); - ImGuiIO& io = ImGui::GetIO(); (void)io; - io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls - io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls - - // Setup Dear ImGui style - ImGui::StyleColorsDark(); - //ImGui::StyleColorsLight(); - - // Setup Platform/Renderer backends - ImGui_ImplWin32_Init(hwnd); - ImGui_ImplDX12_Init(g_pd3dDevice, NUM_FRAMES_IN_FLIGHT, - DXGI_FORMAT_R8G8B8A8_UNORM, g_pd3dSrvDescHeap, - g_pd3dSrvDescHeap->GetCPUDescriptorHandleForHeapStart(), - g_pd3dSrvDescHeap->GetGPUDescriptorHandleForHeapStart()); - - // Load Fonts - // - If no fonts are loaded, dear imgui will use the default font. You can also load multiple fonts and use ImGui::PushFont()/PopFont() to select them. - // - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple. - // - If the file cannot be loaded, the function will return a nullptr. Please handle those errors in your application (e.g. use an assertion, or display an error and quit). - // - The fonts will be rasterized at a given size (w/ oversampling) and stored into a texture when calling ImFontAtlas::Build()/GetTexDataAsXXXX(), which ImGui_ImplXXXX_NewFrame below will call. - // - Use '#define IMGUI_ENABLE_FREETYPE' in your imconfig file to use Freetype for higher quality font rendering. - // - Read 'docs/FONTS.md' for more instructions and details. - // - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ ! - //io.Fonts->AddFontDefault(); - //io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\segoeui.ttf", 18.0f); - //io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f); - //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f); - //io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f); - //ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, nullptr, io.Fonts->GetGlyphRangesJapanese()); - //IM_ASSERT(font != nullptr); - - // Our state - bool show_demo_window = true; - bool show_another_window = false; - ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f); - - // Main loop - bool done = false; - while (!done) - { - // Poll and handle messages (inputs, window resize, etc.) - // See the WndProc() function below for our to dispatch events to the Win32 backend. - MSG msg; - while (::PeekMessage(&msg, nullptr, 0U, 0U, PM_REMOVE)) - { - ::TranslateMessage(&msg); - ::DispatchMessage(&msg); - if (msg.message == WM_QUIT) - done = true; - } - if (done) - break; - - // Handle window screen locked - if (g_SwapChainOccluded && g_pSwapChain->Present(0, DXGI_PRESENT_TEST) == DXGI_STATUS_OCCLUDED) - { - ::Sleep(10); - continue; - } - g_SwapChainOccluded = false; - - // Start the Dear ImGui frame - ImGui_ImplDX12_NewFrame(); - ImGui_ImplWin32_NewFrame(); - ImGui::NewFrame(); - - // 1. Show the big demo window (Most of the sample code is in ImGui::ShowDemoWindow()! You can browse its code to learn more about Dear ImGui!). - if (show_demo_window) - ImGui::ShowDemoWindow(&show_demo_window); - - // 2. Show a simple window that we create ourselves. We use a Begin/End pair to create a named window. - { - static float f = 0.0f; - static int counter = 0; - - ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it. - - ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too) - ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state - ImGui::Checkbox("Another Window", &show_another_window); - - ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f - ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color - - if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated) - counter++; - ImGui::SameLine(); - ImGui::Text("counter = %d", counter); - - ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate); - ImGui::End(); - } - - // 3. Show another simple window. - if (show_another_window) - { - ImGui::Begin("Another Window", &show_another_window); // Pass a pointer to our bool variable (the window will have a closing button that will clear the bool when clicked) - ImGui::Text("Hello from another window!"); - if (ImGui::Button("Close Me")) - show_another_window = false; - ImGui::End(); - } - - // Rendering - ImGui::Render(); - - FrameContext* frameCtx = WaitForNextFrameResources(); - UINT backBufferIdx = g_pSwapChain->GetCurrentBackBufferIndex(); - frameCtx->CommandAllocator->Reset(); - - D3D12_RESOURCE_BARRIER barrier = {}; - barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION; - barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE; - barrier.Transition.pResource = g_mainRenderTargetResource[backBufferIdx]; - barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES; - barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT; - barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_RENDER_TARGET; - g_pd3dCommandList->Reset(frameCtx->CommandAllocator, nullptr); - g_pd3dCommandList->ResourceBarrier(1, &barrier); - - // Render Dear ImGui graphics - const float clear_color_with_alpha[4] = { clear_color.x * clear_color.w, clear_color.y * clear_color.w, clear_color.z * clear_color.w, clear_color.w }; - g_pd3dCommandList->ClearRenderTargetView(g_mainRenderTargetDescriptor[backBufferIdx], clear_color_with_alpha, 0, nullptr); - g_pd3dCommandList->OMSetRenderTargets(1, &g_mainRenderTargetDescriptor[backBufferIdx], FALSE, nullptr); - g_pd3dCommandList->SetDescriptorHeaps(1, &g_pd3dSrvDescHeap); - ImGui_ImplDX12_RenderDrawData(ImGui::GetDrawData(), g_pd3dCommandList); - barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_RENDER_TARGET; - barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_PRESENT; - g_pd3dCommandList->ResourceBarrier(1, &barrier); - g_pd3dCommandList->Close(); - - g_pd3dCommandQueue->ExecuteCommandLists(1, (ID3D12CommandList* const*)&g_pd3dCommandList); - - // Present - HRESULT hr = g_pSwapChain->Present(1, 0); // Present with vsync - //HRESULT hr = g_pSwapChain->Present(0, 0); // Present without vsync - g_SwapChainOccluded = (hr == DXGI_STATUS_OCCLUDED); - - UINT64 fenceValue = g_fenceLastSignaledValue + 1; - g_pd3dCommandQueue->Signal(g_fence, fenceValue); - g_fenceLastSignaledValue = fenceValue; - frameCtx->FenceValue = fenceValue; - } - - WaitForLastSubmittedFrame(); - - // Cleanup - ImGui_ImplDX12_Shutdown(); - ImGui_ImplWin32_Shutdown(); - ImGui::DestroyContext(); - - CleanupDeviceD3D(); - ::DestroyWindow(hwnd); - ::UnregisterClassW(wc.lpszClassName, wc.hInstance); - - return 0; -} - -// Helper functions - -bool CreateDeviceD3D(HWND hWnd) -{ - // Setup swap chain - DXGI_SWAP_CHAIN_DESC1 sd; - { - ZeroMemory(&sd, sizeof(sd)); - sd.BufferCount = NUM_BACK_BUFFERS; - sd.Width = 0; - sd.Height = 0; - sd.Format = DXGI_FORMAT_R8G8B8A8_UNORM; - sd.Flags = DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT; - sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT; - sd.SampleDesc.Count = 1; - sd.SampleDesc.Quality = 0; - sd.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD; - sd.AlphaMode = DXGI_ALPHA_MODE_UNSPECIFIED; - sd.Scaling = DXGI_SCALING_STRETCH; - sd.Stereo = FALSE; - } - - // [DEBUG] Enable debug interface -#ifdef DX12_ENABLE_DEBUG_LAYER - ID3D12Debug* pdx12Debug = nullptr; - if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&pdx12Debug)))) - pdx12Debug->EnableDebugLayer(); -#endif - - // Create device - D3D_FEATURE_LEVEL featureLevel = D3D_FEATURE_LEVEL_11_0; - if (D3D12CreateDevice(nullptr, featureLevel, IID_PPV_ARGS(&g_pd3dDevice)) != S_OK) - return false; - - // [DEBUG] Setup debug interface to break on any warnings/errors -#ifdef DX12_ENABLE_DEBUG_LAYER - if (pdx12Debug != nullptr) - { - ID3D12InfoQueue* pInfoQueue = nullptr; - g_pd3dDevice->QueryInterface(IID_PPV_ARGS(&pInfoQueue)); - pInfoQueue->SetBreakOnSeverity(D3D12_MESSAGE_SEVERITY_ERROR, true); - pInfoQueue->SetBreakOnSeverity(D3D12_MESSAGE_SEVERITY_CORRUPTION, true); - pInfoQueue->SetBreakOnSeverity(D3D12_MESSAGE_SEVERITY_WARNING, true); - pInfoQueue->Release(); - pdx12Debug->Release(); - } -#endif - - { - D3D12_DESCRIPTOR_HEAP_DESC desc = {}; - desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV; - desc.NumDescriptors = NUM_BACK_BUFFERS; - desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE; - desc.NodeMask = 1; - if (g_pd3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_pd3dRtvDescHeap)) != S_OK) - return false; - - SIZE_T rtvDescriptorSize = g_pd3dDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV); - D3D12_CPU_DESCRIPTOR_HANDLE rtvHandle = g_pd3dRtvDescHeap->GetCPUDescriptorHandleForHeapStart(); - for (UINT i = 0; i < NUM_BACK_BUFFERS; i++) - { - g_mainRenderTargetDescriptor[i] = rtvHandle; - rtvHandle.ptr += rtvDescriptorSize; - } - } - - { - D3D12_DESCRIPTOR_HEAP_DESC desc = {}; - desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV; - desc.NumDescriptors = 1; - desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE; - if (g_pd3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_pd3dSrvDescHeap)) != S_OK) - return false; - } - - { - D3D12_COMMAND_QUEUE_DESC desc = {}; - desc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT; - desc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE; - desc.NodeMask = 1; - if (g_pd3dDevice->CreateCommandQueue(&desc, IID_PPV_ARGS(&g_pd3dCommandQueue)) != S_OK) - return false; - } - - for (UINT i = 0; i < NUM_FRAMES_IN_FLIGHT; i++) - if (g_pd3dDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&g_frameContext[i].CommandAllocator)) != S_OK) - return false; - - if (g_pd3dDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, g_frameContext[0].CommandAllocator, nullptr, IID_PPV_ARGS(&g_pd3dCommandList)) != S_OK || - g_pd3dCommandList->Close() != S_OK) - return false; - - if (g_pd3dDevice->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&g_fence)) != S_OK) - return false; - - g_fenceEvent = CreateEvent(nullptr, FALSE, FALSE, nullptr); - if (g_fenceEvent == nullptr) - return false; - - { - IDXGIFactory4* dxgiFactory = nullptr; - IDXGISwapChain1* swapChain1 = nullptr; - if (CreateDXGIFactory1(IID_PPV_ARGS(&dxgiFactory)) != S_OK) - return false; - if (dxgiFactory->CreateSwapChainForHwnd(g_pd3dCommandQueue, hWnd, &sd, nullptr, nullptr, &swapChain1) != S_OK) - return false; - if (swapChain1->QueryInterface(IID_PPV_ARGS(&g_pSwapChain)) != S_OK) - return false; - swapChain1->Release(); - dxgiFactory->Release(); - g_pSwapChain->SetMaximumFrameLatency(NUM_BACK_BUFFERS); - g_hSwapChainWaitableObject = g_pSwapChain->GetFrameLatencyWaitableObject(); - } - - CreateRenderTarget(); - return true; -} - -void CleanupDeviceD3D() -{ - CleanupRenderTarget(); - if (g_pSwapChain) { g_pSwapChain->SetFullscreenState(false, nullptr); g_pSwapChain->Release(); g_pSwapChain = nullptr; } - if (g_hSwapChainWaitableObject != nullptr) { CloseHandle(g_hSwapChainWaitableObject); } - for (UINT i = 0; i < NUM_FRAMES_IN_FLIGHT; i++) - if (g_frameContext[i].CommandAllocator) { g_frameContext[i].CommandAllocator->Release(); g_frameContext[i].CommandAllocator = nullptr; } - if (g_pd3dCommandQueue) { g_pd3dCommandQueue->Release(); g_pd3dCommandQueue = nullptr; } - if (g_pd3dCommandList) { g_pd3dCommandList->Release(); g_pd3dCommandList = nullptr; } - if (g_pd3dRtvDescHeap) { g_pd3dRtvDescHeap->Release(); g_pd3dRtvDescHeap = nullptr; } - if (g_pd3dSrvDescHeap) { g_pd3dSrvDescHeap->Release(); g_pd3dSrvDescHeap = nullptr; } - if (g_fence) { g_fence->Release(); g_fence = nullptr; } - if (g_fenceEvent) { CloseHandle(g_fenceEvent); g_fenceEvent = nullptr; } - if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = nullptr; } - -#ifdef DX12_ENABLE_DEBUG_LAYER - IDXGIDebug1* pDebug = nullptr; - if (SUCCEEDED(DXGIGetDebugInterface1(0, IID_PPV_ARGS(&pDebug)))) - { - pDebug->ReportLiveObjects(DXGI_DEBUG_ALL, DXGI_DEBUG_RLO_SUMMARY); - pDebug->Release(); - } -#endif -} - -void CreateRenderTarget() -{ - for (UINT i = 0; i < NUM_BACK_BUFFERS; i++) - { - ID3D12Resource* pBackBuffer = nullptr; - g_pSwapChain->GetBuffer(i, IID_PPV_ARGS(&pBackBuffer)); - g_pd3dDevice->CreateRenderTargetView(pBackBuffer, nullptr, g_mainRenderTargetDescriptor[i]); - g_mainRenderTargetResource[i] = pBackBuffer; - } -} - -void CleanupRenderTarget() -{ - WaitForLastSubmittedFrame(); - - for (UINT i = 0; i < NUM_BACK_BUFFERS; i++) - if (g_mainRenderTargetResource[i]) { g_mainRenderTargetResource[i]->Release(); g_mainRenderTargetResource[i] = nullptr; } -} - -void WaitForLastSubmittedFrame() -{ - FrameContext* frameCtx = &g_frameContext[g_frameIndex % NUM_FRAMES_IN_FLIGHT]; - - UINT64 fenceValue = frameCtx->FenceValue; - if (fenceValue == 0) - return; // No fence was signaled - - frameCtx->FenceValue = 0; - if (g_fence->GetCompletedValue() >= fenceValue) - return; - - g_fence->SetEventOnCompletion(fenceValue, g_fenceEvent); - WaitForSingleObject(g_fenceEvent, INFINITE); -} - -FrameContext* WaitForNextFrameResources() -{ - UINT nextFrameIndex = g_frameIndex + 1; - g_frameIndex = nextFrameIndex; - - HANDLE waitableObjects[] = { g_hSwapChainWaitableObject, nullptr }; - DWORD numWaitableObjects = 1; - - FrameContext* frameCtx = &g_frameContext[nextFrameIndex % NUM_FRAMES_IN_FLIGHT]; - UINT64 fenceValue = frameCtx->FenceValue; - if (fenceValue != 0) // means no fence was signaled - { - frameCtx->FenceValue = 0; - g_fence->SetEventOnCompletion(fenceValue, g_fenceEvent); - waitableObjects[1] = g_fenceEvent; - numWaitableObjects = 2; - } - - WaitForMultipleObjects(numWaitableObjects, waitableObjects, TRUE, INFINITE); - - return frameCtx; -} - -// Forward declare message handler from imgui_impl_win32.cpp -extern IMGUI_IMPL_API LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam); - -// Win32 message handler -// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs. -// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application, or clear/overwrite your copy of the mouse data. -// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application, or clear/overwrite your copy of the keyboard data. -// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags. -LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) -{ - if (ImGui_ImplWin32_WndProcHandler(hWnd, msg, wParam, lParam)) - return true; - - switch (msg) - { - case WM_SIZE: - if (g_pd3dDevice != nullptr && wParam != SIZE_MINIMIZED) - { - WaitForLastSubmittedFrame(); - CleanupRenderTarget(); - HRESULT result = g_pSwapChain->ResizeBuffers(0, (UINT)LOWORD(lParam), (UINT)HIWORD(lParam), DXGI_FORMAT_UNKNOWN, DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT); - assert(SUCCEEDED(result) && "Failed to resize swapchain."); - CreateRenderTarget(); - } - return 0; - case WM_SYSCOMMAND: - if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu - return 0; - break; - case WM_DESTROY: - ::PostQuitMessage(0); - return 0; - } - return ::DefWindowProcW(hWnd, msg, wParam, lParam); -} -- cgit v1.2.3