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This works :)

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NepuShiro
2026-05-19 11:43:24 -05:00
parent 519b06367a
commit 96e90a09d9
4 changed files with 741 additions and 329 deletions
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SDL3/SDL3Window.cs
+93 -16
View File
@@ -2,6 +2,8 @@
using Hexa.NET.ImGui;
using Hexa.NET.ImGuizmo;
using Hexa.NET.ImPlot;
using Hexa.NET.OpenGL;
using HexaGen.Runtime;
using SDL3;
namespace SDL3_TestingSuite.SDL3;
@@ -9,8 +11,7 @@ namespace SDL3_TestingSuite.SDL3;
public sealed unsafe class SDL3Window : IDisposable
{
public readonly nint Window;
public readonly nint Renderer;
public readonly Vector4 DefaultClearColor = new Vector4(0.06f, 0.06f, 0.06f, 1f);
private Vector4? _clearColor;
@@ -30,17 +31,37 @@ public sealed unsafe class SDL3Window : IDisposable
private readonly FileSystemWatcher? _watcher;
private readonly GL _gl;
public SDL3Window(string name, int posX, int posY, int width, int height, SDL.WindowFlags flags = SDL.WindowFlags.Resizable | SDL.WindowFlags.HighPixelDensity)
{
if (!SDL.Init(SDL.InitFlags.Events | SDL.InitFlags.Video | SDL.InitFlags.Gamepad))
throw new Exception($"SDL_Init failed: {SDL.GetError()}");
SDL.GLSetAttribute(SDL.GLAttr.ContextFlags, (int)SDL.GLContextFlag.ForwardCompatible);
SDL.GLSetAttribute(SDL.GLAttr.ContextProfileMask, (int)SDL.GLProfile.Core);
SDL.GLSetAttribute(SDL.GLAttr.ContextMajorVersion, 3);
SDL.GLSetAttribute(SDL.GLAttr.ContextMinorVersion, 3);
SDL.SetHint(SDL.Hints.IMEImplementedUI, "1");
// Create window & renderer
if (!SDL.CreateWindowAndRenderer(name, width, height, flags, out Window, out Renderer))
SDL.GLSetAttribute(SDL.GLAttr.DoubleBuffer, 1);
SDL.GLSetAttribute(SDL.GLAttr.DepthSize, 24);
SDL.GLSetAttribute(SDL.GLAttr.StencilSize, 8);
Window = SDL.CreateWindow(name, width, height, flags | SDL.WindowFlags.OpenGL);
if (Window == nint.Zero)
throw new Exception($"SDL_CreateWindowAndRenderer failed: {SDL.GetError()}");
nint glContext = SDL.GLCreateContext(Window);
if (glContext == nint.Zero)
throw new Exception($"SDL_GL_CreateContext failed: {SDL.GetError()}");
SDL.GLMakeCurrent(Window, glContext);
SDL.GLSetSwapInterval(1);
SDL.SetWindowPosition(Window, posX, posY);
SDL.SetRenderVSync(Renderer, 1);
// SDL.SetRenderVSync(Renderer, 1);
SDL.ShowWindow(Window);
// Create ImGui context
@@ -91,10 +112,12 @@ public sealed unsafe class SDL3Window : IDisposable
{
Console.WriteLine(e);
}
_gl = new GL(new BindingsContext(Window, glContext));
// Init platform and renderer
ImGuiSDL3Platform.Init(Window, Renderer, this);
ImGuiSDL3Renderer.Init(Renderer, this);
ImGuiSDL3Platform.Init(_gl, glContext, Window, this);
ImGuiSDL3Renderer.Init(_gl, "#version 330");
}
public bool ShouldClose;
@@ -103,6 +126,8 @@ public sealed unsafe class SDL3Window : IDisposable
{
while (!_disposed)
{
SDL.PumpEvents();
if (ImGui.GetIO().WantTextInput && !SDL.TextInputActive(Window))
SDL.StartTextInput(Window);
else if (!ImGui.GetIO().WantTextInput && SDL.TextInputActive(Window))
@@ -121,6 +146,10 @@ public sealed unsafe class SDL3Window : IDisposable
break;
}
}
_gl.MakeCurrent();
_gl.ClearColor(ClearColor.X, ClearColor.Y, ClearColor.Z, ClearColor.W);
_gl.Clear(GLClearBufferMask.ColorBufferBit);
ImGuiSDL3Platform.NewFrame();
ImGuiSDL3Renderer.NewFrame();
@@ -132,19 +161,18 @@ public sealed unsafe class SDL3Window : IDisposable
ImGui.Render();
SDL.SetRenderScale(Renderer, io.DisplayFramebufferScale.X, io.DisplayFramebufferScale.Y);
SDL.SetRenderDrawColorFloat(Renderer, ClearColor.X, ClearColor.Y, ClearColor.Z, ClearColor.W);
SDL.RenderClear(Renderer);
_gl.MakeCurrent();
ImGuiSDL3Renderer.RenderDrawData(ImGui.GetDrawData(), Renderer);
ImGuiSDL3Renderer.RenderDrawData(ImGui.GetDrawData());
if ((io.ConfigFlags & ImGuiConfigFlags.ViewportsEnable) != 0)
{
ImGui.UpdatePlatformWindows();
ImGui.RenderPlatformWindowsDefault();
}
SDL.RenderPresent(Renderer);
_gl.MakeCurrent();
_gl.SwapBuffers();
if (ShouldClose)
{
@@ -203,10 +231,10 @@ public sealed unsafe class SDL3Window : IDisposable
_imPlotContext = null;
}
if (Renderer != nint.Zero)
{
SDL.DestroyRenderer(Renderer);
}
// if (Renderer != nint.Zero)
// {
// SDL.DestroyRenderer(Renderer);
// }
if (Window != nint.Zero)
{
@@ -214,4 +242,53 @@ public sealed unsafe class SDL3Window : IDisposable
}
}
}
public unsafe class BindingsContext : IGLContext
{
private readonly nint window;
private readonly nint context;
public BindingsContext(nint window, nint context)
{
this.window = window;
this.context = context;
}
public nint Handle => window;
public bool IsCurrent => SDL.GLGetCurrentContext() == context;
public void Dispose() { }
public nint GetProcAddress(string procName)
{
return (nint)SDL.GLGetProcAddress(procName).GetPtrForDelegate();
}
public bool IsExtensionSupported(string extensionName)
{
return SDL.GLExtensionSupported(extensionName);
}
public void MakeCurrent()
{
SDL.GLMakeCurrent(window, context);
}
public void SwapBuffers()
{
SDL.GLSwapWindow(window);
}
public void SwapInterval(int interval)
{
SDL.GLSetSwapInterval(interval);
}
public bool TryGetProcAddress(string procName, out nint procAddress)
{
procAddress = (nint)SDL.GLGetProcAddress(procName).GetPtrForDelegate();
return procAddress != 0;
}
}