mirror of
https://github.com/MaSzyna-EU07/maszyna.git
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maintenance: imgui update to v 1.73
This commit is contained in:
tmj-fstate
@@ -1,5 +1,5 @@
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// ImGui - standalone example application for DirectX 12
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// If you are new to ImGui, see examples/README.txt and documentation at the top of imgui.cpp.
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// dear imgui: standalone example application for DirectX 12
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// If you are new to dear imgui, see examples/README.txt and documentation at the top of imgui.cpp.
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// FIXME: 64-bit only for now! (Because sizeof(ImTextureId) == sizeof(void*))
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#include "imgui.h"
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@@ -36,17 +36,320 @@ static HANDLE g_hSwapChainWaitableObject = NULL;
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static ID3D12Resource* g_mainRenderTargetResource[NUM_BACK_BUFFERS] = {};
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static D3D12_CPU_DESCRIPTOR_HANDLE g_mainRenderTargetDescriptor[NUM_BACK_BUFFERS] = {};
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// Forward declarations of helper functions
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bool CreateDeviceD3D(HWND hWnd);
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void CleanupDeviceD3D();
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void CreateRenderTarget();
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void CleanupRenderTarget();
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void WaitForLastSubmittedFrame();
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FrameContext* WaitForNextFrameResources();
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void ResizeSwapChain(HWND hWnd, int width, int height);
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LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
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// Main code
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int main(int, char**)
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{
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// Create application window
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WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL };
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::RegisterClassEx(&wc);
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HWND hwnd = ::CreateWindow(wc.lpszClassName, _T("Dear ImGui DirectX12 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
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// Initialize Direct3D
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if (!CreateDeviceD3D(hwnd))
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{
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CleanupDeviceD3D();
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::UnregisterClass(wc.lpszClassName, wc.hInstance);
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return 1;
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}
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// Show the window
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::ShowWindow(hwnd, SW_SHOWDEFAULT);
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::UpdateWindow(hwnd);
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// Setup Dear ImGui context
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IMGUI_CHECKVERSION();
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ImGui::CreateContext();
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ImGuiIO& io = ImGui::GetIO(); (void)io;
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//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
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//io.ConfigFlags |= ImGuiConfigFlags_NavEnableGamepad; // Enable Gamepad Controls
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// Setup Dear ImGui style
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ImGui::StyleColorsDark();
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//ImGui::StyleColorsClassic();
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// Setup Platform/Renderer bindings
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ImGui_ImplWin32_Init(hwnd);
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ImGui_ImplDX12_Init(g_pd3dDevice, NUM_FRAMES_IN_FLIGHT,
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DXGI_FORMAT_R8G8B8A8_UNORM,
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g_pd3dSrvDescHeap->GetCPUDescriptorHandleForHeapStart(),
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g_pd3dSrvDescHeap->GetGPUDescriptorHandleForHeapStart());
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// Load Fonts
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// - 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.
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// - AddFontFromFileTTF() will return the ImFont* so you can store it if you need to select the font among multiple.
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// - If the file cannot be loaded, the function will return NULL. Please handle those errors in your application (e.g. use an assertion, or display an error and quit).
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// - 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.
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// - Read 'misc/fonts/README.txt' for more instructions and details.
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// - Remember that in C/C++ if you want to include a backslash \ in a string literal you need to write a double backslash \\ !
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//io.Fonts->AddFontDefault();
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
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//io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f);
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//ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
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//IM_ASSERT(font != NULL);
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// Our state
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bool show_demo_window = true;
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bool show_another_window = false;
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ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
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// Main loop
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MSG msg;
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ZeroMemory(&msg, sizeof(msg));
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while (msg.message != WM_QUIT)
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{
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// Poll and handle messages (inputs, window resize, etc.)
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// You can read the io.WantCaptureMouse, io.WantCaptureKeyboard flags to tell if dear imgui wants to use your inputs.
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// - When io.WantCaptureMouse is true, do not dispatch mouse input data to your main application.
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// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application.
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// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
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if (::PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE))
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{
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::TranslateMessage(&msg);
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::DispatchMessage(&msg);
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continue;
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}
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// Start the Dear ImGui frame
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ImGui_ImplDX12_NewFrame();
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ImGui_ImplWin32_NewFrame();
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ImGui::NewFrame();
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// 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!).
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if (show_demo_window)
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ImGui::ShowDemoWindow(&show_demo_window);
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// 2. Show a simple window that we create ourselves. We use a Begin/End pair to created a named window.
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{
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static float f = 0.0f;
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static int counter = 0;
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ImGui::Begin("Hello, world!"); // Create a window called "Hello, world!" and append into it.
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ImGui::Text("This is some useful text."); // Display some text (you can use a format strings too)
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ImGui::Checkbox("Demo Window", &show_demo_window); // Edit bools storing our window open/close state
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ImGui::Checkbox("Another Window", &show_another_window);
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ImGui::SliderFloat("float", &f, 0.0f, 1.0f); // Edit 1 float using a slider from 0.0f to 1.0f
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ImGui::ColorEdit3("clear color", (float*)&clear_color); // Edit 3 floats representing a color
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if (ImGui::Button("Button")) // Buttons return true when clicked (most widgets return true when edited/activated)
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counter++;
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ImGui::SameLine();
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ImGui::Text("counter = %d", counter);
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ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
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ImGui::End();
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}
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// 3. Show another simple window.
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if (show_another_window)
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{
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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)
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ImGui::Text("Hello from another window!");
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if (ImGui::Button("Close Me"))
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show_another_window = false;
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ImGui::End();
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}
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// Rendering
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FrameContext* frameCtxt = WaitForNextFrameResources();
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UINT backBufferIdx = g_pSwapChain->GetCurrentBackBufferIndex();
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frameCtxt->CommandAllocator->Reset();
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D3D12_RESOURCE_BARRIER barrier = {};
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barrier.Type = D3D12_RESOURCE_BARRIER_TYPE_TRANSITION;
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barrier.Flags = D3D12_RESOURCE_BARRIER_FLAG_NONE;
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barrier.Transition.pResource = g_mainRenderTargetResource[backBufferIdx];
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barrier.Transition.Subresource = D3D12_RESOURCE_BARRIER_ALL_SUBRESOURCES;
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barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT;
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barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_RENDER_TARGET;
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g_pd3dCommandList->Reset(frameCtxt->CommandAllocator, NULL);
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g_pd3dCommandList->ResourceBarrier(1, &barrier);
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g_pd3dCommandList->ClearRenderTargetView(g_mainRenderTargetDescriptor[backBufferIdx], (float*)&clear_color, 0, NULL);
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g_pd3dCommandList->OMSetRenderTargets(1, &g_mainRenderTargetDescriptor[backBufferIdx], FALSE, NULL);
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g_pd3dCommandList->SetDescriptorHeaps(1, &g_pd3dSrvDescHeap);
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ImGui::Render();
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ImGui_ImplDX12_RenderDrawData(ImGui::GetDrawData(), g_pd3dCommandList);
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barrier.Transition.StateBefore = D3D12_RESOURCE_STATE_RENDER_TARGET;
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barrier.Transition.StateAfter = D3D12_RESOURCE_STATE_PRESENT;
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g_pd3dCommandList->ResourceBarrier(1, &barrier);
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g_pd3dCommandList->Close();
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g_pd3dCommandQueue->ExecuteCommandLists(1, (ID3D12CommandList* const*)&g_pd3dCommandList);
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g_pSwapChain->Present(1, 0); // Present with vsync
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//g_pSwapChain->Present(0, 0); // Present without vsync
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UINT64 fenceValue = g_fenceLastSignaledValue + 1;
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g_pd3dCommandQueue->Signal(g_fence, fenceValue);
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g_fenceLastSignaledValue = fenceValue;
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frameCtxt->FenceValue = fenceValue;
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}
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WaitForLastSubmittedFrame();
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ImGui_ImplDX12_Shutdown();
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ImGui_ImplWin32_Shutdown();
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ImGui::DestroyContext();
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CleanupDeviceD3D();
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::DestroyWindow(hwnd);
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::UnregisterClass(wc.lpszClassName, wc.hInstance);
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return 0;
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}
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// Helper functions
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bool CreateDeviceD3D(HWND hWnd)
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{
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// Setup swap chain
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DXGI_SWAP_CHAIN_DESC1 sd;
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{
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ZeroMemory(&sd, sizeof(sd));
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sd.BufferCount = NUM_BACK_BUFFERS;
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sd.Width = 0;
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sd.Height = 0;
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sd.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
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sd.Flags = DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT;
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sd.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
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sd.SampleDesc.Count = 1;
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sd.SampleDesc.Quality = 0;
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sd.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
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sd.AlphaMode = DXGI_ALPHA_MODE_UNSPECIFIED;
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sd.Scaling = DXGI_SCALING_STRETCH;
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sd.Stereo = FALSE;
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}
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if (DX12_ENABLE_DEBUG_LAYER)
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{
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ID3D12Debug* dx12Debug = NULL;
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if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&dx12Debug))))
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{
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dx12Debug->EnableDebugLayer();
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dx12Debug->Release();
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}
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}
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D3D_FEATURE_LEVEL featureLevel = D3D_FEATURE_LEVEL_11_0;
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if (D3D12CreateDevice(NULL, featureLevel, IID_PPV_ARGS(&g_pd3dDevice)) != S_OK)
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return false;
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{
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D3D12_DESCRIPTOR_HEAP_DESC desc = {};
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desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
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desc.NumDescriptors = NUM_BACK_BUFFERS;
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desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
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desc.NodeMask = 1;
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if (g_pd3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_pd3dRtvDescHeap)) != S_OK)
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return false;
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SIZE_T rtvDescriptorSize = g_pd3dDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
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D3D12_CPU_DESCRIPTOR_HANDLE rtvHandle = g_pd3dRtvDescHeap->GetCPUDescriptorHandleForHeapStart();
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for (UINT i = 0; i < NUM_BACK_BUFFERS; i++)
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{
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g_mainRenderTargetDescriptor[i] = rtvHandle;
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rtvHandle.ptr += rtvDescriptorSize;
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}
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}
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{
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D3D12_DESCRIPTOR_HEAP_DESC desc = {};
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desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
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desc.NumDescriptors = 1;
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desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
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if (g_pd3dDevice->CreateDescriptorHeap(&desc, IID_PPV_ARGS(&g_pd3dSrvDescHeap)) != S_OK)
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return false;
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}
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{
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D3D12_COMMAND_QUEUE_DESC desc = {};
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desc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
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desc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
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desc.NodeMask = 1;
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if (g_pd3dDevice->CreateCommandQueue(&desc, IID_PPV_ARGS(&g_pd3dCommandQueue)) != S_OK)
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return false;
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}
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for (UINT i = 0; i < NUM_FRAMES_IN_FLIGHT; i++)
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if (g_pd3dDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&g_frameContext[i].CommandAllocator)) != S_OK)
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return false;
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if (g_pd3dDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, g_frameContext[0].CommandAllocator, NULL, IID_PPV_ARGS(&g_pd3dCommandList)) != S_OK ||
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g_pd3dCommandList->Close() != S_OK)
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return false;
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if (g_pd3dDevice->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&g_fence)) != S_OK)
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return false;
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g_fenceEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
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if (g_fenceEvent == NULL)
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return false;
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{
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IDXGIFactory4* dxgiFactory = NULL;
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IDXGISwapChain1* swapChain1 = NULL;
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if (CreateDXGIFactory1(IID_PPV_ARGS(&dxgiFactory)) != S_OK ||
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dxgiFactory->CreateSwapChainForHwnd(g_pd3dCommandQueue, hWnd, &sd, NULL, NULL, &swapChain1) != S_OK ||
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swapChain1->QueryInterface(IID_PPV_ARGS(&g_pSwapChain)) != S_OK)
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return false;
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swapChain1->Release();
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dxgiFactory->Release();
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g_pSwapChain->SetMaximumFrameLatency(NUM_BACK_BUFFERS);
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g_hSwapChainWaitableObject = g_pSwapChain->GetFrameLatencyWaitableObject();
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}
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CreateRenderTarget();
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return true;
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}
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void CleanupDeviceD3D()
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{
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CleanupRenderTarget();
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if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = NULL; }
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if (g_hSwapChainWaitableObject != NULL) { CloseHandle(g_hSwapChainWaitableObject); }
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for (UINT i = 0; i < NUM_FRAMES_IN_FLIGHT; i++)
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if (g_frameContext[i].CommandAllocator) { g_frameContext[i].CommandAllocator->Release(); g_frameContext[i].CommandAllocator = NULL; }
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if (g_pd3dCommandQueue) { g_pd3dCommandQueue->Release(); g_pd3dCommandQueue = NULL; }
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if (g_pd3dCommandList) { g_pd3dCommandList->Release(); g_pd3dCommandList = NULL; }
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if (g_pd3dRtvDescHeap) { g_pd3dRtvDescHeap->Release(); g_pd3dRtvDescHeap = NULL; }
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if (g_pd3dSrvDescHeap) { g_pd3dSrvDescHeap->Release(); g_pd3dSrvDescHeap = NULL; }
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if (g_fence) { g_fence->Release(); g_fence = NULL; }
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if (g_fenceEvent) { CloseHandle(g_fenceEvent); g_fenceEvent = NULL; }
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if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; }
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}
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void CreateRenderTarget()
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{
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ID3D12Resource* pBackBuffer;
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for (UINT i = 0; i < NUM_BACK_BUFFERS; i++)
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{
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ID3D12Resource* pBackBuffer = NULL;
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g_pSwapChain->GetBuffer(i, IID_PPV_ARGS(&pBackBuffer));
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g_pd3dDevice->CreateRenderTargetView(pBackBuffer, NULL, g_mainRenderTargetDescriptor[i]);
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g_mainRenderTargetResource[i] = pBackBuffer;
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}
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}
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void CleanupRenderTarget()
|
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{
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WaitForLastSubmittedFrame();
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for (UINT i = 0; i < NUM_BACK_BUFFERS; i++)
|
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if (g_mainRenderTargetResource[i]) { g_mainRenderTargetResource[i]->Release(); g_mainRenderTargetResource[i] = NULL; }
|
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}
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||||
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void WaitForLastSubmittedFrame()
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{
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FrameContext* frameCtxt = &g_frameContext[g_frameIndex % NUM_FRAMES_IN_FLIGHT];
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@@ -111,133 +414,7 @@ void ResizeSwapChain(HWND hWnd, int width, int height)
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assert(g_hSwapChainWaitableObject != NULL);
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}
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||||
|
||||
void CleanupRenderTarget()
|
||||
{
|
||||
WaitForLastSubmittedFrame();
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||||
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for (UINT i = 0; i < NUM_BACK_BUFFERS; i++)
|
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if (g_mainRenderTargetResource[i]) { g_mainRenderTargetResource[i]->Release(); g_mainRenderTargetResource[i] = NULL; }
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}
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HRESULT CreateDeviceD3D(HWND hWnd)
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{
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||||
// Setup swap chain
|
||||
DXGI_SWAP_CHAIN_DESC1 sd;
|
||||
{
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ZeroMemory(&sd, sizeof(sd));
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||||
sd.BufferCount = NUM_BACK_BUFFERS;
|
||||
sd.Width = 0;
|
||||
sd.Height = 0;
|
||||
sd.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
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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;
|
||||
}
|
||||
|
||||
if (DX12_ENABLE_DEBUG_LAYER)
|
||||
{
|
||||
ID3D12Debug* dx12Debug = NULL;
|
||||
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&dx12Debug))))
|
||||
{
|
||||
dx12Debug->EnableDebugLayer();
|
||||
dx12Debug->Release();
|
||||
}
|
||||
}
|
||||
|
||||
D3D_FEATURE_LEVEL featureLevel = D3D_FEATURE_LEVEL_11_0;
|
||||
if (D3D12CreateDevice(NULL, featureLevel, IID_PPV_ARGS(&g_pd3dDevice)) != S_OK)
|
||||
return E_FAIL;
|
||||
|
||||
{
|
||||
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 E_FAIL;
|
||||
|
||||
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 E_FAIL;
|
||||
}
|
||||
|
||||
{
|
||||
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 E_FAIL;
|
||||
}
|
||||
|
||||
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 E_FAIL;
|
||||
|
||||
if (g_pd3dDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, g_frameContext[0].CommandAllocator, NULL, IID_PPV_ARGS(&g_pd3dCommandList)) != S_OK ||
|
||||
g_pd3dCommandList->Close() != S_OK)
|
||||
return E_FAIL;
|
||||
|
||||
if (g_pd3dDevice->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&g_fence)) != S_OK)
|
||||
return E_FAIL;
|
||||
|
||||
g_fenceEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
|
||||
if (g_fenceEvent == NULL)
|
||||
return E_FAIL;
|
||||
|
||||
{
|
||||
IDXGIFactory4* dxgiFactory = NULL;
|
||||
IDXGISwapChain1* swapChain1 = NULL;
|
||||
if (CreateDXGIFactory1(IID_PPV_ARGS(&dxgiFactory)) != S_OK ||
|
||||
dxgiFactory->CreateSwapChainForHwnd(g_pd3dCommandQueue, hWnd, &sd, NULL, NULL, &swapChain1) != S_OK ||
|
||||
swapChain1->QueryInterface(IID_PPV_ARGS(&g_pSwapChain)) != S_OK)
|
||||
return E_FAIL;
|
||||
swapChain1->Release();
|
||||
dxgiFactory->Release();
|
||||
g_pSwapChain->SetMaximumFrameLatency(NUM_BACK_BUFFERS);
|
||||
g_hSwapChainWaitableObject = g_pSwapChain->GetFrameLatencyWaitableObject();
|
||||
}
|
||||
|
||||
CreateRenderTarget();
|
||||
|
||||
return S_OK;
|
||||
}
|
||||
|
||||
void CleanupDeviceD3D()
|
||||
{
|
||||
CleanupRenderTarget();
|
||||
if (g_pSwapChain) { g_pSwapChain->Release(); g_pSwapChain = NULL; }
|
||||
if (g_hSwapChainWaitableObject != NULL) { 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 = NULL; }
|
||||
if (g_pd3dCommandQueue) { g_pd3dCommandQueue->Release(); g_pd3dCommandQueue = NULL; }
|
||||
if (g_pd3dCommandList) { g_pd3dCommandList->Release(); g_pd3dCommandList = NULL; }
|
||||
if (g_pd3dRtvDescHeap) { g_pd3dRtvDescHeap->Release(); g_pd3dRtvDescHeap = NULL; }
|
||||
if (g_pd3dSrvDescHeap) { g_pd3dSrvDescHeap->Release(); g_pd3dSrvDescHeap = NULL; }
|
||||
if (g_fence) { g_fence->Release(); g_fence = NULL; }
|
||||
if (g_fenceEvent) { CloseHandle(g_fenceEvent); g_fenceEvent = NULL; }
|
||||
if (g_pd3dDevice) { g_pd3dDevice->Release(); g_pd3dDevice = NULL; }
|
||||
}
|
||||
|
||||
// Win32 message handler
|
||||
extern LRESULT ImGui_ImplWin32_WndProcHandler(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam);
|
||||
LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
||||
{
|
||||
@@ -261,169 +438,8 @@ LRESULT WINAPI WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
|
||||
return 0;
|
||||
break;
|
||||
case WM_DESTROY:
|
||||
PostQuitMessage(0);
|
||||
::PostQuitMessage(0);
|
||||
return 0;
|
||||
}
|
||||
return DefWindowProc(hWnd, msg, wParam, lParam);
|
||||
}
|
||||
|
||||
int main(int, char**)
|
||||
{
|
||||
// Create application window
|
||||
WNDCLASSEX wc = { sizeof(WNDCLASSEX), CS_CLASSDC, WndProc, 0L, 0L, GetModuleHandle(NULL), NULL, NULL, NULL, NULL, _T("ImGui Example"), NULL };
|
||||
RegisterClassEx(&wc);
|
||||
HWND hwnd = CreateWindow(_T("ImGui Example"), _T("Dear ImGui DirectX12 Example"), WS_OVERLAPPEDWINDOW, 100, 100, 1280, 800, NULL, NULL, wc.hInstance, NULL);
|
||||
|
||||
// Initialize Direct3D
|
||||
if (CreateDeviceD3D(hwnd) < 0)
|
||||
{
|
||||
CleanupDeviceD3D();
|
||||
UnregisterClass(_T("ImGui Example"), wc.hInstance);
|
||||
return 1;
|
||||
}
|
||||
|
||||
// Show the window
|
||||
ShowWindow(hwnd, SW_SHOWDEFAULT);
|
||||
UpdateWindow(hwnd);
|
||||
|
||||
// Setup Dear ImGui binding
|
||||
IMGUI_CHECKVERSION();
|
||||
ImGui::CreateContext();
|
||||
ImGuiIO& io = ImGui::GetIO(); (void)io;
|
||||
//io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard; // Enable Keyboard Controls
|
||||
|
||||
ImGui_ImplWin32_Init(hwnd);
|
||||
ImGui_ImplDX12_Init(g_pd3dDevice, NUM_FRAMES_IN_FLIGHT,
|
||||
DXGI_FORMAT_R8G8B8A8_UNORM,
|
||||
g_pd3dSrvDescHeap->GetCPUDescriptorHandleForHeapStart(),
|
||||
g_pd3dSrvDescHeap->GetGPUDescriptorHandleForHeapStart());
|
||||
|
||||
// Setup style
|
||||
ImGui::StyleColorsDark();
|
||||
//ImGui::StyleColorsClassic();
|
||||
|
||||
// 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 NULL. 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.
|
||||
// - Read 'misc/fonts/README.txt' 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("../../misc/fonts/Roboto-Medium.ttf", 16.0f);
|
||||
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/Cousine-Regular.ttf", 15.0f);
|
||||
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/DroidSans.ttf", 16.0f);
|
||||
//io.Fonts->AddFontFromFileTTF("../../misc/fonts/ProggyTiny.ttf", 10.0f);
|
||||
//ImFont* font = io.Fonts->AddFontFromFileTTF("c:\\Windows\\Fonts\\ArialUni.ttf", 18.0f, NULL, io.Fonts->GetGlyphRangesJapanese());
|
||||
//IM_ASSERT(font != NULL);
|
||||
|
||||
bool show_demo_window = true;
|
||||
bool show_another_window = false;
|
||||
ImVec4 clear_color = ImVec4(0.45f, 0.55f, 0.60f, 1.00f);
|
||||
|
||||
// Main loop
|
||||
MSG msg;
|
||||
ZeroMemory(&msg, sizeof(msg));
|
||||
while (msg.message != WM_QUIT)
|
||||
{
|
||||
// Poll and handle messages (inputs, window resize, etc.)
|
||||
// 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.
|
||||
// - When io.WantCaptureKeyboard is true, do not dispatch keyboard input data to your main application.
|
||||
// Generally you may always pass all inputs to dear imgui, and hide them from your application based on those two flags.
|
||||
if (PeekMessage(&msg, NULL, 0U, 0U, PM_REMOVE))
|
||||
{
|
||||
TranslateMessage(&msg);
|
||||
DispatchMessage(&msg);
|
||||
continue;
|
||||
}
|
||||
|
||||
// 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 created 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 / ImGui::GetIO().Framerate, ImGui::GetIO().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
|
||||
FrameContext* frameCtxt = WaitForNextFrameResources();
|
||||
UINT backBufferIdx = g_pSwapChain->GetCurrentBackBufferIndex();
|
||||
frameCtxt->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(frameCtxt->CommandAllocator, NULL);
|
||||
g_pd3dCommandList->ResourceBarrier(1, &barrier);
|
||||
g_pd3dCommandList->ClearRenderTargetView(g_mainRenderTargetDescriptor[backBufferIdx], (float*)&clear_color, 0, NULL);
|
||||
g_pd3dCommandList->OMSetRenderTargets(1, &g_mainRenderTargetDescriptor[backBufferIdx], FALSE, NULL);
|
||||
g_pd3dCommandList->SetDescriptorHeaps(1, &g_pd3dSrvDescHeap);
|
||||
ImGui::Render();
|
||||
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);
|
||||
|
||||
g_pSwapChain->Present(1, 0); // Present with vsync
|
||||
//g_pSwapChain->Present(0, 0); // Present without vsync
|
||||
|
||||
UINT64 fenceValue = g_fenceLastSignaledValue + 1;
|
||||
g_pd3dCommandQueue->Signal(g_fence, fenceValue);
|
||||
g_fenceLastSignaledValue = fenceValue;
|
||||
frameCtxt->FenceValue = fenceValue;
|
||||
}
|
||||
|
||||
WaitForLastSubmittedFrame();
|
||||
ImGui_ImplDX12_Shutdown();
|
||||
ImGui_ImplWin32_Shutdown();
|
||||
ImGui::DestroyContext();
|
||||
|
||||
CleanupDeviceD3D();
|
||||
DestroyWindow(hwnd);
|
||||
UnregisterClass(_T("ImGui Example"), wc.hInstance);
|
||||
|
||||
return 0;
|
||||
return ::DefWindowProc(hWnd, msg, wParam, lParam);
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user