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JunaMeinholdJunaMeinhold
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Fixed nuget package for nuget, added missing overload for win32, added d3d9 example.
1 parent 9f3ed0d commit 977dd5b

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Lines changed: 530 additions & 96 deletions

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‎ExampleWin32D3D9/ExampleWin32D3D9.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Silk.NET.Direct3D9" Version="2.22.0" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\Hexa.NET.ImGui.Backends\Hexa.NET.ImGui.Backends.csproj" />
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<ProjectReference Include="..\Hexa.NET.ImGui\Hexa.NET.ImGui.csproj" />
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</ItemGroup>
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</Project>

‎ExampleWin32D3D9/Program.cs‎

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// See https://aka.ms/new-console-template for more information
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using ExampleWin32D3D9;
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using Hexa.NET.ImGui;
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using Hexa.NET.ImGui.Backends.D3D9;
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using Hexa.NET.ImGui.Backends.Win32;
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using HexaGen.Runtime;
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using Silk.NET.Core.Native;
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using Silk.NET.Direct3D9;
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using Silk.NET.Maths;
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using System.Diagnostics;
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using System.Numerics;
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using System.Runtime.InteropServices;
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using IDirect3DDevice9 = Silk.NET.Direct3D9.IDirect3DDevice9;
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nint hInstance = Win32.GetModuleHandle(null);
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nint hWnd;
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unsafe
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{
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WNDCLASS wndClass = new()
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{
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style = 0x0040,
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lpfnWndProc = Marshal.GetFunctionPointerForDelegate<WindowProcCallback>(WindowProc),
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cbClsExtra = 0,
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cbWndExtra = 0,
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hInstance = hInstance,
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hIcon = nint.Zero,
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hCursor = nint.Zero,
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hbrBackground = 1,
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lpszMenuName = null,
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lpszClassName = Utils.StringToUTF16Ptr("ImGui Example")
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};
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if (Win32.RegisterClassA(ref wndClass) == 0)
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{
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Console.WriteLine("Failed to register window class. Error: " + Marshal.GetLastWin32Error());
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return;
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}
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byte* title = Utils.StringToUTF8Ptr("Dear ImGui DirectX9 Example");
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hWnd = Win32.CreateWindowEx(
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0,
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wndClass.lpszClassName,
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title,
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Win32.WS_OVERLAPPEDWINDOW,
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100, 100,
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1200, 800,
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nint.Zero,
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nint.Zero,
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hInstance,
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nint.Zero);
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Utils.Free(title);
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Utils.Free(wndClass.lpszClassName);
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if (hWnd == nint.Zero)
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{
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int error = Marshal.GetLastWin32Error();
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Console.WriteLine("Failed to create window. Error code: " + error);
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return;
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}
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}
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Win32.ShowWindow(hWnd, Win32.SW_SHOW);
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Win32.UpdateWindow(hWnd);
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var D3D9 = Silk.NET.Direct3D9.D3D9.GetApi();
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var context = ImGui.CreateContext();
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var io = ImGui.GetIO();
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ImGuiImplWin32.SetCurrentContext(context);
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ImGuiImplWin32.Init(hWnd);
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PresentParameters d3dpp = default;
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ComPtr<IDirect3D9> pD3D = null;
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ComPtr<IDirect3DDevice9> pD3DDevice = null;
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unsafe
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{
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pD3D = D3D9.Direct3DCreate9(Silk.NET.Direct3D9.D3D9.SdkVersion);
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d3dpp.Windowed = true; // Run in windowed mode
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d3dpp.SwapEffect = Swapeffect.Discard; // Discard old frames
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d3dpp.BackBufferFormat = Format.Unknown; // Use current display format
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d3dpp.EnableAutoDepthStencil = true;
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d3dpp.AutoDepthStencilFormat = Format.D16;
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d3dpp.PresentationInterval = Silk.NET.Direct3D9.D3D9.PresentIntervalOne;
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// Create the Direct3D device
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HResult hr = pD3D.CreateDevice(
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Silk.NET.Direct3D9.D3D9.AdapterDefault, // Use the primary display adapter
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Devtype.Hal, // Use hardware rasterization
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hWnd, // Handle to the window
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Silk.NET.Direct3D9.D3D9.CreateHardwareVertexprocessing, // Use software vertex processing
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ref d3dpp, // Presentation parameters
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ref pD3DDevice // Pointer to the created device
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);
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ImGuiImplD3D9.SetCurrentContext(context);
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ImGuiImplD3D9.Init(new((Hexa.NET.ImGui.Backends.D3D9.IDirect3DDevice9*)pD3DDevice.Handle));
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}
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bool running = true;
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bool g_DeviceLost = false;
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uint g_ResizeWidth = 0, g_ResizeHeight = 0;
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MSG msg = default;
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Vector4 clear_color = new(1, 0.8f, 0.75f, 1);
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unsafe
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{
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while (running)
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{
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while (Win32.PeekMessage(ref msg, 0, 0U, 0U, Win32.PM_REMOVE))
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{
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Win32.TranslateMessage(ref msg);
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Win32.DispatchMessage(ref msg);
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if (msg.message == Win32.WM_QUIT)
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running = false;
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}
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if (g_DeviceLost)
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{
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ResultCode hr = (ResultCode)pD3DDevice.TestCooperativeLevel();
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if (hr == ResultCode.D3DERR_DEVICELOST)
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{
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Thread.Sleep(10);
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continue;
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}
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if (hr == ResultCode.D3DERR_DEVICENOTRESET)
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ResetDevice();
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g_DeviceLost = false;
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}
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if (g_ResizeWidth != 0 && g_ResizeHeight != 0)
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{
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d3dpp.BackBufferWidth = g_ResizeWidth;
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d3dpp.BackBufferHeight = g_ResizeHeight;
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g_ResizeWidth = g_ResizeHeight = 0;
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ResetDevice();
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}
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ImGuiImplD3D9.NewFrame();
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ImGuiImplWin32.NewFrame();
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ImGui.NewFrame();
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ImGui.ShowDemoWindow();
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ImGui.EndFrame();
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pD3DDevice.SetRenderState(Renderstatetype.Zenable, 0);
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pD3DDevice.SetRenderState(Renderstatetype.Alphablendenable, 0);
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pD3DDevice.SetRenderState(Renderstatetype.Scissortestenable, 0);
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uint clear_col_dx = (uint)(
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((int)(clear_color.W * 255.0f) << 24) | // Alpha
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((int)(clear_color.X * clear_color.W * 255.0f) << 16) | // Red
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((int)(clear_color.Y * clear_color.W * 255.0f) << 8) | // Green
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((int)(clear_color.Z * clear_color.W * 255.0f)) // Blue
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);
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pD3DDevice.Clear(0, (Rect*)null, Silk.NET.Direct3D9.D3D9.ClearTarget | Silk.NET.Direct3D9.D3D9.ClearZbuffer, clear_col_dx, 1.0f, 0);
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if (pD3DDevice.BeginScene() >= 0)
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{
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ImGui.Render();
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ImGuiImplD3D9.RenderDrawData(ImGui.GetDrawData());
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pD3DDevice.EndScene();
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}
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ResultCode result = (ResultCode)pD3DDevice.Present((Box2D<int>*)null, (Box2D<int>*)null, 0, (RGNData*)null);
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if (result == ResultCode.D3DERR_DEVICELOST)
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g_DeviceLost = true;
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}
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}
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ImGuiImplD3D9.Shutdown();
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ImGuiImplWin32.Shutdown();
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ImGui.DestroyContext();
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pD3DDevice.Release();
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pD3D.Release();
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Win32.DestroyWindow(hWnd);
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nint WindowProc(nint hWnd, uint msg, nuint wParam, nint lParam)
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{
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if (ImGuiImplWin32.WndProcHandler(hWnd, msg, wParam, lParam) != 0)
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{
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return 1;
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}
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const uint WM_SIZE = 0x0005;
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const uint SIZE_MINIMIZED = 1;
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const uint WM_SYSCOMMAND = 0x0112;
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const uint SC_KEYMENU = 0xF100;
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const uint WM_DESTROY = 0x0002;
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switch (msg)
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{
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case WM_SIZE:
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if (wParam == SIZE_MINIMIZED)
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return 0;
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g_ResizeWidth = (uint)(lParam & 0xFFFF); // Queue resize
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g_ResizeHeight = (uint)((lParam >> 16) & 0xFFFF);
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return 0;
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case WM_SYSCOMMAND:
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if ((wParam & 0xfff0) == SC_KEYMENU) // Disable ALT application menu
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return 0;
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break;
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case WM_DESTROY:
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Environment.Exit(0);
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return 0;
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}
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return Win32.DefWindowProc(hWnd, msg, wParam, lParam);
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}
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unsafe void ResetDevice()
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{
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ImGuiImplD3D9.InvalidateDeviceObjects();
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ResultCode hr = (ResultCode)pD3DDevice.Reset(ref d3dpp);
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if (hr == ResultCode.D3DERR_INVALIDCALL)
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Trace.Assert(false);
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ImGuiImplD3D9.CreateDeviceObjects();
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}

‎ExampleWin32D3D9/ResultCode.cs‎

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namespace ExampleWin32D3D9
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{
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public enum ResultCode : int
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{
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DXGI_ERROR_ACCESS_DENIED = unchecked((int)0x887A002B),
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DXGI_ERROR_ACCESS_LOST = unchecked((int)0x887A0026),
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DXGI_ERROR_ALREADY_EXISTS = unchecked((int)0x887A0036),
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DXGI_ERROR_CANNOT_PROTECT_CONTENT = unchecked((int)0x887A002A),
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DXGI_ERROR_DEVICE_HUNG = unchecked((int)0x887A0006),
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DXGI_ERROR_DEVICE_REMOVED = unchecked((int)0x887A0005),
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DXGI_ERROR_DEVICE_RESET = unchecked((int)0x887A0007),
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DXGI_ERROR_DRIVER_INTERNAL_ERROR = unchecked((int)0x887A0020),
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DXGI_ERROR_FRAME_STATISTICS_DISJOINT = unchecked((int)0x887A000B),
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DXGI_ERROR_GRAPHICS_VIDPN_SOURCE_IN_USE = unchecked((int)0x887A000C),
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DXGI_ERROR_INVALID_CALL = unchecked((int)0x887A0001),
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DXGI_ERROR_MORE_DATA = unchecked((int)0x887A0003),
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DXGI_ERROR_NAME_ALREADY_EXISTS = unchecked((int)0x887A002C),
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DXGI_ERROR_NONEXCLUSIVE = unchecked((int)0x887A0021),
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DXGI_ERROR_NOT_CURRENTLY_AVAILABLE = unchecked((int)0x887A0022),
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DXGI_ERROR_NOT_FOUND = unchecked((int)0x887A0002),
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DXGI_ERROR_REMOTE_CLIENT_DISCONNECTED = unchecked((int)0x887A0023),
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DXGI_ERROR_REMOTE_OUTOFMEMORY = unchecked((int)0x887A0024),
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DXGI_ERROR_RESTRICT_TO_OUTPUT_STALE = unchecked((int)0x887A0029),
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DXGI_ERROR_SDK_COMPONENT_MISSING = unchecked((int)0x887A002D),
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DXGI_ERROR_SESSION_DISCONNECTED = unchecked((int)0x887A0028),
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DXGI_ERROR_UNSUPPORTED = unchecked((int)0x887A0004),
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DXGI_ERROR_WAIT_TIMEOUT = unchecked((int)0x887A0027),
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DXGI_ERROR_WAS_STILL_DRAWING = unchecked((int)0x887A000A),
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D3D11_ERROR_TOO_MANY_UNIQUE_STATE_OBJECTS = unchecked((int)0x887C0001),
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D3D11_ERROR_FILE_NOT_FOUND = unchecked((int)0x887C0002),
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D3D11_ERROR_TOO_MANY_UNIQUE_VIEW_OBJECTS = unchecked((int)0x887C0003),
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D3D11_ERROR_DEFERRED_CONTEXT_MAP_WITHOUT_INITIAL_DISCARD = unchecked((int)0x887C0004),
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E_FAIL = unchecked((int)0x80004005),
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E_INVALIDARG = unchecked((int)0x80070057),
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E_OUTOFMEMORY = unchecked((int)0x8007000E),
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E_NOTIMPL = unchecked((int)0x80004001),
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S_FALSE = unchecked(1),
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S_OK = unchecked(0),
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D3DERR_DEVICELOST = unchecked((int)0x88760868),
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D3DERR_DEVICENOTRESET = unchecked((int)0x88760869),
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D3DERR_INVALIDCALL = unchecked((int)0x8876086C),
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}
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}

‎ExampleWin32D3D9/Win32.cs‎

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namespace ExampleWin32D3D9
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{
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using System;
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using System.Runtime.InteropServices;
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public unsafe class Win32
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{
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[DllImport("user32.dll", SetLastError = true)]
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public static extern nint CreateWindowEx(
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int dwExStyle,
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char* lpClassName,
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byte* lpWindowName,
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int dwStyle,
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int x, int y,
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int nWidth, int nHeight,
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nint hWndParent,
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nint hMenu,
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nint hInstance,
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nint lpParam);
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[DllImport("user32.dll")]
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public static extern nint DefWindowProc(nint hWnd, uint msg, nuint wParam, nint lParam);
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[DllImport("user32.dll")]
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public static extern bool DestroyWindow(nint hWnd);
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[DllImport("user32.dll")]
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public static extern bool ShowWindow(nint hWnd, int nCmdShow);
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[DllImport("user32.dll")]
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public static extern bool UpdateWindow(nint hWnd);
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[DllImport("user32.dll")]
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public static extern nint GetMessage(out MSG lpMsg, nint hWnd, uint wMsgFilterMin, uint wMsgFilterMax);
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[DllImport("user32.dll")]
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public static extern bool PeekMessage(ref MSG lpMsg, nint hwnd, uint wMsgFilterMin, uint wMsgFilterMax, uint wRemoveMsg);
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[DllImport("user32.dll")]
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public static extern bool TranslateMessage(ref MSG lpMsg);
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[DllImport("user32.dll")]
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public static extern nint DispatchMessage(ref MSG lpMsg);
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[DllImport("user32.dll", SetLastError = true)]
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public static extern short RegisterClassA(ref WNDCLASS lpWndClass);
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[DllImport("kernel32.dll")]
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public static extern nint GetModuleHandle(string lpModuleName);
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public const int WS_OVERLAPPEDWINDOW = 0x00CF0000;
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public const int SW_SHOW = 5;
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public const uint WM_DESTROY = 0x0002;
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public const uint WM_QUIT = 0x0012;
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public const uint PM_REMOVE = 0x0001;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct MSG
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{
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public nint hwnd;
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public uint message;
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public nint wParam;
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public nint lParam;
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public uint time;
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public POINT pt;
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}
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[StructLayout(LayoutKind.Sequential)]
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public struct POINT
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{
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public int x;
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public int y;
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}
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[StructLayout(LayoutKind.Sequential)]
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public unsafe struct WNDCLASS
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{
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public uint style;
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public nint lpfnWndProc;
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public int cbClsExtra;
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public int cbWndExtra;
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public nint hInstance;
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public nint hIcon;
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public nint hCursor;
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public nint hbrBackground;
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public char* lpszMenuName;
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public char* lpszClassName;
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}
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public delegate nint WindowProcCallback(nint hWnd, uint msg, nuint wParam, nint lParam);
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}

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