NepuShiro/SDL3-TestingSuite
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NepuShiro
2026-05-20 11:29:55 -05:00
parent 7d5f242a43
commit 5c17e233bc
4 changed files with 149 additions and 55 deletions
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Program.cs
+103 -8
View File
@@ -1,8 +1,11 @@
using System.Numerics;
using System.Reflection;
using System.Runtime.CompilerServices;
using Hexa.NET.ImGui;
using Hexa.NET.ImPlot;
using HexaGen.Runtime;
using SDL3_TestingSuite.SDL3;
using SDL3;
namespace SDL3_TestingSuite;
@@ -12,15 +15,37 @@ public class Program
private static bool _imPlotDemoVisible;
private static bool _fontStuff;
private static readonly Dictionary<string, List<uint>?> GlyphsByName = new Dictionary<string, List<uint>?>();
private static bool _initialized;
private static bool _fontStuffInitialized;
private static bool _init;
private static ImFontPtr _font;
private static float size = 1f;
private static SDL3Window _window = null!;
private static OpenGLTexture? _imageTexture;
private static string? _imageLoadError;
public static void Main()
{
SDL3Window window = new SDL3Window("SDL3 Testing Suite", 100, 100, 1280, 720);
window.RenderCallback += () =>
string baseDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location)!;
string osPlatform = typeof(LibraryLoader).GetMethod("GetOSPlatform", BindingFlags.Static | BindingFlags.NonPublic)?.Invoke(null, null) as string ?? ""; // LibraryLoader.GetOSPlatform();
string architecture = typeof(LibraryLoader).GetMethod("GetArchitecture", BindingFlags.Static | BindingFlags.NonPublic)?.Invoke(null, null) as string ?? ""; // LibraryLoader.GetArchitecture());
LibraryLoader.CustomLoadFolders.AddRange(new string[]
{
Path.Combine(baseDirectory),
Path.Combine(baseDirectory, "runtimes", osPlatform, "native"),
Path.Combine(baseDirectory, "runtimes", $"{osPlatform}-{architecture}", "debug"), // allows debug builds sideload.
Path.Combine(baseDirectory, "runtimes", $"{osPlatform}-{architecture}", "native"),
});
_window = new SDL3Window("SDL3 Testing Suite", 100, 100, 1280, 720);
_window.Disposing += DisposeImages;
_window.RenderCallback += () =>
{
if (!_init)
{
_init = true;
LoadImageTexture("");
}
ImGuiViewportPtr viewport = ImGui.GetMainViewport();
ImGui.SetNextWindowPos(viewport.WorkPos);
ImGui.SetNextWindowSize(viewport.WorkSize);
@@ -33,7 +58,7 @@ public class Program
{
if (ImGui.MenuItem("Quit"))
{
window.ShouldClose = true;
_window.ShouldClose = true;
}
ImGui.EndMenu();
@@ -65,7 +90,7 @@ public class Program
string fontName = _font.GetDebugNameS();
fontName = string.IsNullOrEmpty(fontName) ? _font.FontId.ToString() : fontName;
if (!_initialized || change)
if (!_fontStuffInitialized || change)
{
if (!GlyphsByName.TryGetValue(fontName, out List<uint>? glyphs))
{
@@ -89,7 +114,7 @@ public class Program
Logger.Log($"Initialized font {fontName} with {glyphs.Count} glyphs");
}
_initialized = true;
_fontStuffInitialized = true;
}
ImGui.PushFont(null, 24);
@@ -161,6 +186,48 @@ public class Program
ImGui.SliderFloat("Sine", ref size, 1f, 120f);
ImGui.End();
bool regen1 = true;
if (_imageTexture != null)
{
Vector2 displaySize = ImGui.GetIO().DisplaySize;
Vector2 imageSize = new Vector2(_imageTexture.Width, _imageTexture.Height);
float maxWidth = displaySize.X * 0.5f;
float maxHeight = displaySize.Y * 0.5f;
float scale = MathF.Min(maxWidth / imageSize.X, maxHeight / imageSize.Y);
Vector2 scaledSize = imageSize * MathF.Min(scale, 1.0f);
Vector2 padding = ImGui.GetStyle().WindowPadding;
Vector2 windowSize = new Vector2(scaledSize.X + padding.X * 2, scaledSize.Y + padding.Y * 2 + (ImGui.GetFrameHeight() * 4));
ImGui.SetNextWindowSize(windowSize, ImGuiCond.Always);
ImGui.Begin(_imageTexture.FileName ?? "Image", ref regen1, ImGuiWindowFlags.NoResize | ImGuiWindowFlags.NoScrollbar | ImGuiWindowFlags.NoSavedSettings);
regen1 = !ImGui.Button("Regen");
ImGui.Image(_imageTexture.ImGuiTexture, scaledSize);
string text1 = $"{_imageTexture.Width}x{_imageTexture.Height}";
ImGui.TextUnformatted(text1);
ImGui.SameLine(ImGui.CalcTextSize(text1).X + padding.X * 2);
ImGui.TextUnformatted($"EXT: {(_imageTexture.Extension ?? "Unknown Format")}");
ImGui.TextUnformatted($"{(_imageTexture.FilePath ?? "Unknown Path")}");
}
else
{
ImGui.Begin("Image", ref regen1, ImGuiWindowFlags.NoResize | ImGuiWindowFlags.NoScrollbar | ImGuiWindowFlags.NoSavedSettings);
ImGui.TextUnformatted(_imageLoadError ?? "No image loaded.");
}
ImGui.End();
bool regen = !regen1;
if (regen)
{
DisposeImages();
LoadImageTexture("");
}
if (_demoWindowVisible)
{
ImGui.ShowDemoWindow(ref _demoWindowVisible);
@@ -171,7 +238,30 @@ public class Program
}
};
window.Run();
_window.Run();
}
private static void LoadImageTexture(string path)
{
if (string.IsNullOrEmpty(path)) return;
try
{
_imageTexture = OpenGLTexture.FromFile(_window.GL, path);
_imageLoadError = null;
}
catch (Exception e)
{
DisposeImages();
_imageLoadError = e.Message;
Logger.Log(e);
}
}
private static void DisposeImages()
{
_imageTexture?.Dispose();
_imageTexture = null;
}
public static class Logger
@@ -181,7 +271,12 @@ public class Program
public static void Log(object? value, [CallerFilePath] string path = "", [CallerMemberName] string caller = "", [CallerLineNumber] int line = 0)
{
Write(value?.ToString(), path, caller, line);
if (value == null)
{
Write("null", path, caller, line);
return;
}
Write(value.ToString(), path, caller, line);
}
public static void Log(object?[] values, [CallerFilePath] string path = "", [CallerMemberName] string caller = "", [CallerLineNumber] int line = 0)
SDL3 TestingSuite.csproj
+3
View File
@@ -14,11 +14,14 @@
<!--<PackageReference Include="ImGui.NET" Version="*" />-->
<PackageReference Include="Hexa.NET.ImGui" Version="2.2.9" />
<PackageReference Include="Hexa.NET.ImGui.Widgets" Version="1.2.18" />
<PackageReference Include="Hexa.NET.ImNodes" Version="2.2.9" />
<PackageReference Include="Hexa.NET.ImPlot" Version="2.2.9" />
<PackageReference Include="Hexa.NET.OpenGL4" Version="1.1.0" />
<PackageReference Include="Hexa.NET.SDL3.Image" Version="1.0.0" />
<PackageReference Include="Hexa.NET.Utilities" Version="2.2.12" />
<PackageReference Include="SDL3-CS" Version="3.2.18" />
<PackageReference Include="SDL3-CS.Native" Version="3.2.18" />
<PackageReference Include="SDL3-CS.Native.Image" Version="3.3.0" />
</ItemGroup>
</Project>
SDL3/ImGuiSDL3Platform.cs
+21 -30
View File
@@ -28,8 +28,6 @@ public unsafe static class ImGuiSDL3Platform
// IME Handling
public nint ImeWindow;
public ImGuiPlatformImeData ImeData;
public bool ImeDirty;
// Mouse Handling
public uint MouseWindowID;
@@ -177,8 +175,6 @@ public unsafe static class ImGuiSDL3Platform
UpdateMouseData();
UpdateMouseCursor();
UpdateIme();
UpdateGamepads();
}
@@ -752,43 +748,41 @@ public unsafe static class ImGuiSDL3Platform
return ImGuiKey.None;
}
public static void UpdateIme()
private static void UpdateIme(ImGuiViewportPtr viewport, ImGuiPlatformImeDataPtr imeData)
{
PlatformData data = GetPlatformData();
ImGuiPlatformImeData imeData = data.ImeData;
nint window = SDL.GetKeyboardFocus();
if (imeData.IsNull) return;
nint window = GetSDLWindowFromViewport(viewport);
bool wantTextInput = imeData.WantVisible || imeData.WantTextInput;
// Stop previous input
if ((!(imeData.WantVisible == 1 || imeData.WantTextInput == 1) || data.ImeWindow != window) && data.ImeWindow != nint.Zero)
if ((!wantTextInput || data.ImeWindow != window) && data.ImeWindow != nint.Zero)
{
SDL.StopTextInput(data.ImeWindow);
data.ImeWindow = nint.Zero;
}
if (!data.ImeDirty && data.ImeWindow == window || window == nint.Zero)
if (!wantTextInput || window == nint.Zero)
return;
// Start/update current input
data.ImeDirty = false;
if (imeData.WantVisible == 1)
if (imeData.WantVisible)
{
// Offset the IME input area by the viewport position so it tracks the correct screen location
// when multiple viewports are in use.
Vector2 viewportPos = Vector2.Zero;
ImGuiViewportPtr? viewport = GetViewportForWindowId(SDL.GetWindowID(window));
if (viewport != null && !viewport.Value.IsNull)
viewportPos = viewport.Value.Pos;
SDL.Rect r = new SDL.Rect
{
X = (int)(imeData.InputPos.X - viewportPos.X),
Y = (int)(imeData.InputPos.Y - viewportPos.Y),
X = (int)(imeData.InputPos.X - viewport.Pos.X),
Y = (int)(imeData.InputPos.Y - viewport.Pos.Y),
W = 1,
H = (int)imeData.InputLineHeight
};
SDL.SetTextInputArea(window, r, 0);
data.ImeWindow = window;
}
if (!SDL.TextInputActive(window) && (imeData.WantVisible == 1 || imeData.WantTextInput == 1))
data.ImeWindow = window;
if (!SDL.TextInputActive(window))
SDL.StartTextInput(window);
}
@@ -915,9 +909,9 @@ public unsafe static class ImGuiSDL3Platform
public static class DelegateStorage
{
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
internal delegate nint PlatformGetClipboardTextFn(nint ctx);
internal delegate nint PlatformGetClipboardTextFn(ImGuiContextPtr ctx);
internal static readonly PlatformGetClipboardTextFn GetClipboardDelegate = GetClipboardText;
private static nint GetClipboardText(nint ctx)
private static nint GetClipboardText(ImGuiContextPtr ctx)
{
PlatformData data = GetPlatformData();
if (data.ClipboardTextData != nint.Zero)
@@ -934,9 +928,9 @@ public unsafe static class ImGuiSDL3Platform
}
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
internal delegate void PlatformSetClipboardTextFn(nint ctx, nint text);
internal delegate void PlatformSetClipboardTextFn(ImGuiContextPtr ctx, nint text);
internal static readonly PlatformSetClipboardTextFn SetClipboardDelegate = SetClipboardText;
private static void SetClipboardText(nint ctx, nint text)
private static void SetClipboardText(ImGuiContextPtr ctx, nint text)
{
string? managedText = Marshal.PtrToStringAnsi(text);
if (managedText != null)
@@ -944,14 +938,11 @@ public unsafe static class ImGuiSDL3Platform
}
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
internal delegate void PlatformSetImeDataFn(nint ctx, nint userData, nint imeData);
internal delegate void PlatformSetImeDataFn(ImGuiContextPtr ctx, ImGuiViewportPtr userData, ImGuiPlatformImeDataPtr imeData);
internal static readonly PlatformSetImeDataFn SetImeDataDelegate = SetImeData;
private static void SetImeData(nint ctx, nint userData, nint imeData)
private static void SetImeData(ImGuiContextPtr ctx, ImGuiViewportPtr viewport, ImGuiPlatformImeDataPtr imeData)
{
PlatformData data = GetPlatformData();
data.ImeData = Marshal.PtrToStructure<ImGuiPlatformImeData>(imeData);
data.ImeDirty = true;
UpdateIme();
UpdateIme(viewport, imeData);
}
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
SDL3/SDL3Window.cs
+20 -15
View File
@@ -22,6 +22,7 @@ public sealed unsafe class SDL3Window : IDisposable
}
public event Action? RenderCallback;
public event Action? Disposing;
private ImGuiContextPtr _imGuiContext;
private ImPlotContextPtr _imPlotContext;
@@ -31,7 +32,7 @@ public sealed unsafe class SDL3Window : IDisposable
private readonly FileSystemWatcher? _watcher;
private readonly GL _gl;
public readonly GL GL;
public SDL3Window(string name, int posX, int posY, int width, int height, SDL.WindowFlags flags = SDL.WindowFlags.Resizable | SDL.WindowFlags.HighPixelDensity)
{
@@ -116,11 +117,11 @@ public sealed unsafe class SDL3Window : IDisposable
Console.WriteLine(e);
}
_gl = new GL(new BindingsContext(Window, glContext));
GL = new GL(new BindingsContext(Window, glContext));
// Init platform and renderer
ImGuiSDL3Platform.Init(_gl, Window, glContext);
ImGuiSDL3Renderer.Init(_gl, "#version 330");
ImGuiSDL3Platform.Init(GL, Window, glContext);
ImGuiSDL3Renderer.Init(GL, "#version 330");
}
public bool ShouldClose;
@@ -131,11 +132,6 @@ public sealed unsafe class SDL3Window : IDisposable
{
SDL.PumpEvents();
if (ImGui.GetIO().WantTextInput && !SDL.TextInputActive(Window))
SDL.StartTextInput(Window);
else if (!ImGui.GetIO().WantTextInput && SDL.TextInputActive(Window))
SDL.StopTextInput(Window);
while (SDL.PollEvent(out SDL.Event ev))
{
ImGuiSDL3Platform.ProcessEvent(ev);
@@ -150,9 +146,15 @@ public sealed unsafe class SDL3Window : IDisposable
}
}
_gl.MakeCurrent();
_gl.ClearColor(ClearColor.X, ClearColor.Y, ClearColor.Z, ClearColor.W);
_gl.Clear(GLClearBufferMask.ColorBufferBit);
if (SDL.GetWindowFlags(Window).HasFlag(SDL.WindowFlags.Minimized))
{
SDL.Delay(10);
continue;
}
GL.MakeCurrent();
GL.ClearColor(ClearColor.X, ClearColor.Y, ClearColor.Z, ClearColor.W);
GL.Clear(GLClearBufferMask.ColorBufferBit);
ImGuiSDL3Platform.NewFrame();
ImGuiSDL3Renderer.NewFrame();
@@ -164,7 +166,7 @@ public sealed unsafe class SDL3Window : IDisposable
ImGui.Render();
_gl.MakeCurrent();
GL.MakeCurrent();
ImGuiSDL3Renderer.RenderDrawData(ImGui.GetDrawData());
@@ -174,8 +176,8 @@ public sealed unsafe class SDL3Window : IDisposable
ImGui.RenderPlatformWindowsDefault();
}
_gl.MakeCurrent();
_gl.SwapBuffers();
GL.MakeCurrent();
GL.SwapBuffers();
if (ShouldClose)
{
@@ -215,10 +217,13 @@ public sealed unsafe class SDL3Window : IDisposable
ImPlot.SetCurrentContext(_imPlotContext);
}
Disposing?.Invoke();
ImGuiSDL3Renderer.Dispose();
ImGuiSDL3Platform.Dispose();
RenderCallback = null;
Disposing = null;
}
if (_imGuiContext.Handle != null)