NepuShiro/SDL3-TestingSuite
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NepuShiro
2026-05-20 04:23:47 -05:00
parent 96e90a09d9
commit 7d5f242a43
5 changed files with 502 additions and 454 deletions
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Program.cs
+4 -18
View File
@@ -26,8 +26,7 @@ public class Program
ImGui.SetNextWindowSize(viewport.WorkSize);
ImGui.SetNextWindowViewport(viewport.ID);
if (ImGui.Begin("MainWindow", ImGuiWindowFlags.NoBackground | ImGuiWindowFlags.MenuBar | ImGuiWindowFlags.NoDocking | ImGuiWindowFlags.NoTitleBar | ImGuiWindowFlags.NoResize | ImGuiWindowFlags.NoMove | ImGuiWindowFlags.NoCollapse | ImGuiWindowFlags.NoBringToFrontOnFocus))
{
ImGui.Begin("MainWindow", ImGuiWindowFlags.NoBackground | ImGuiWindowFlags.MenuBar | ImGuiWindowFlags.NoDocking | ImGuiWindowFlags.NoTitleBar | ImGuiWindowFlags.NoResize | ImGuiWindowFlags.NoMove | ImGuiWindowFlags.NoCollapse | ImGuiWindowFlags.NoBringToFrontOnFocus);
if (ImGui.BeginMenuBar())
{
if (ImGui.BeginMenu("Stuff"))
@@ -48,15 +47,13 @@ public class Program
ImGui.EndMenuBar();
}
ImGui.End();
}
if (_fontStuff)
{
ImGui.SetNextWindowSize(new Vector2(250, 500), ImGuiCond.FirstUseEver);
if (ImGui.Begin("FontStuff", ref _fontStuff))
{
ImGui.Begin("FontStuff", ref _fontStuff);
ImGui.ShowFontSelector("Font");
bool change = false;
@@ -120,13 +117,10 @@ public class Program
}
ImGui.PopFont();
ImGui.End();
}
}
if (ImGui.Begin("Thing"))
{
ImGui.Begin("Thing");
float time = (float)ImGui.GetTime() * 5;
if (ImPlot.BeginPlot("Moving Rainbow Sine Wave"))
{
@@ -165,15 +159,7 @@ public class Program
ImPlot.EndPlot();
}
ImGui.SliderFloat("Sine", ref size, 1f, 120f);
ImGui.End();
}
if (ImGui.Begin("ImageThing"))
{
ImGui.End();
}
if (_demoWindowVisible)
{
SDL3 TestingSuite.csproj
+1 -1
View File
@@ -15,7 +15,7 @@
<PackageReference Include="Hexa.NET.ImGui" Version="2.2.9" />
<PackageReference Include="Hexa.NET.ImGui.Widgets" Version="1.2.18" />
<PackageReference Include="Hexa.NET.ImPlot" Version="2.2.9" />
<PackageReference Include="Hexa.NET.OpenGL3" Version="1.1.0" />
<PackageReference Include="Hexa.NET.OpenGL4" Version="1.1.0" />
<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" />
SDL3/ImGuiSDL3Platform.cs
+336 -285
View File
File diff suppressed because it is too large Load Diff
SDL3/ImGuiSDL3Renderer.cs
+18 -10
View File
@@ -10,6 +10,8 @@ public unsafe static class ImGuiSDL3Renderer
{
public class RendererData
{
public GL Gl = null!;
public uint GlVersion; // e.g. 320 for GL 3.2
public string GlslVersionString = ""; // e.g. "#version 330 core\n"
public bool GlProfileIsES2;
@@ -35,8 +37,6 @@ public unsafe static class ImGuiSDL3Renderer
public bool UseTexParameterToSetSampler;
public int NextSampler; // GL_LINEAR or GL_NEAREST
public GL Gl = null!;
}
public static RendererData? GetRendererData() => ImGui.GetCurrentContext().Handle != null ? ImGuiUserData<RendererData>.Get(ImGui.GetIO().BackendRendererUserData) : null;
@@ -143,7 +143,6 @@ public unsafe static class ImGuiSDL3Renderer
io.BackendRendererName = null;
io.BackendRendererUserData = null;
io.BackendFlags &= ~(ImGuiBackendFlags.RendererHasVtxOffset | ImGuiBackendFlags.RendererHasTextures | ImGuiBackendFlags.RendererHasViewports);
}
public static void NewFrame()
@@ -222,7 +221,6 @@ public unsafe static class ImGuiSDL3Renderer
int idxSize = drawList.IdxBuffer.Size * sizeof(ushort);
gl.BufferData(GLBufferTargetARB.ArrayBuffer, vtxSize, drawList.VtxBuffer.Data, GLBufferUsageARB.StreamDraw);
gl.BufferData(GLBufferTargetARB.ElementArrayBuffer, idxSize, drawList.IdxBuffer.Data, GLBufferUsageARB.StreamDraw);
for (int cmdIdx = 0; cmdIdx < drawList.CmdBuffer.Size; cmdIdx++)
@@ -234,11 +232,17 @@ public unsafe static class ImGuiSDL3Renderer
nint cbPtr = (nint)cmd.UserCallback;
if (cbPtr == (nint)DelegateStorage.DrawCallbackResetRenderStateDelegate.GetPtrForDelegate())
{
SetupRenderState(drawData, fbWidth, fbHeight, vao);
}
else if (cbPtr == (nint)DelegateStorage.DrawCallbackSetSamplerLinearDelegate.GetPtrForDelegate())
{
ApplySamplerLinear(bd);
}
else if (cbPtr == (nint)DelegateStorage.DrawCallbackSetSamplerNearestDelegate.GetPtrForDelegate())
{
ApplySamplerNearest(bd);
}
else
{
ImDrawCmdPtr cmdPtr = new ImDrawCmdPtr { Handle = &cmd };
@@ -352,7 +356,7 @@ public unsafe static class ImGuiSDL3Renderer
2.0f / (R - L), 0.0f, 0.0f, 0.0f,
0.0f, 2.0f / (T - B), 0.0f, 0.0f,
0.0f, 0.0f, -1.0f, 0.0f,
(R + L) / (L - R), (T + B) / (B - T), 0.0f, 1.0f,
(R + L) / (L - R), (T + B) / (B - T), 0.0f, 1.0f
};
gl.UseProgram(bd.ShaderHandle);
@@ -467,7 +471,7 @@ public unsafe static class ImGuiSDL3Renderer
< 130 => (vertSrc120, fragSrc120),
300 => (vertSrc300es, fragSrc300es),
>= 410 => (vertSrc410, fragSrc410),
_ => (vertSrc130, fragSrc130),
_ => (vertSrc130, fragSrc130)
};
string fullVert = bd.GlslVersionString + vertSrc;
@@ -577,7 +581,10 @@ public unsafe static class ImGuiSDL3Renderer
private static void ApplySamplerLinear(RendererData bd)
{
if (bd.HasBindSampler) bd.Gl.BindSampler(0, bd.TexSamplers[0]);
if (bd.HasBindSampler)
{
bd.Gl.BindSampler(0, bd.TexSamplers[0]);
}
else
{
bd.UseTexParameterToSetSampler = true;
@@ -587,7 +594,10 @@ public unsafe static class ImGuiSDL3Renderer
private static void ApplySamplerNearest(RendererData bd)
{
if (bd.HasBindSampler) bd.Gl.BindSampler(0, bd.TexSamplers[1]);
if (bd.HasBindSampler)
{
bd.Gl.BindSampler(0, bd.TexSamplers[1]);
}
else
{
bd.UseTexParameterToSetSampler = true;
@@ -630,8 +640,6 @@ public unsafe static class ImGuiSDL3Renderer
public static class DelegateStorage
{
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
internal delegate void DrawCallbackFn(ImDrawListPtr drawList, ImDrawCmdPtr cmd);
SDL3/SDL3Window.cs
+6 -3
View File
@@ -35,13 +35,16 @@ public sealed unsafe class SDL3Window : IDisposable
public SDL3Window(string name, int posX, int posY, int width, int height, SDL.WindowFlags flags = SDL.WindowFlags.Resizable | SDL.WindowFlags.HighPixelDensity)
{
if (OperatingSystem.IsLinux())
SDL.SetHint(SDL.Hints.VideoDriver, "x11");
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.GLSetAttribute(SDL.GLAttr.ContextMajorVersion, 4);
SDL.GLSetAttribute(SDL.GLAttr.ContextMinorVersion, 6);
SDL.SetHint(SDL.Hints.IMEImplementedUI, "1");
@@ -116,7 +119,7 @@ public sealed unsafe class SDL3Window : IDisposable
_gl = new GL(new BindingsContext(Window, glContext));
// Init platform and renderer
ImGuiSDL3Platform.Init(_gl, glContext, Window, this);
ImGuiSDL3Platform.Init(_gl, Window, glContext);
ImGuiSDL3Renderer.Init(_gl, "#version 330");
}