static void Main(string[] args)
{
Veldrid.StartupUtilities.VeldridStartup.CreateWindowAndGraphicsDevice(
new Veldrid.StartupUtilities.WindowCreateInfo(
48, 48, 512, 384, Veldrid.WindowState.Normal, "Example"
),
new Veldrid.GraphicsDeviceOptions(true, null, true),
out window,
out gd
);
window.Resized += () => {
gd.MainSwapchain.Resize((uint)window.Width, (uint)window.Height);
controller.WindowResized(window.Width, window.Height);
};
cl = gd.ResourceFactory.CreateCommandList();
controller = new Veldrid.ImGuiRenderer(gd, gd.MainSwapchain.Framebuffer.OutputDescription, window.Width, window.Height);
// main
while (window.Exists)
{
Veldrid.InputSnapshot snapshot = window.PumpEvents();
if (!window.Exists)
{
break;
}
controller.Update(1f / 60f, snapshot);
// UI
{
ImGuiNET.ImGui.Text("Hello World!");
ImGuiNET.ImGui.SameLine();
ImGuiNET.ImGui.Checkbox("show another window?", ref showAWindow);
}
if (showAWindow)
{
ImGuiNET.ImGui.SetNextWindowSize(
new System.Numerics.Vector2(128, 128));
ImGuiNET.ImGui.Begin("Another window", ref showAWindow);
ImGuiNET.ImGui.Text("Lorem ipsum");
if (ImGuiNET.ImGui.Button("I got it"))
{
showAWindow = false;
}
ImGuiNET.ImGui.End();
}
cl.Begin();
cl.SetFramebuffer(gd.MainSwapchain.Framebuffer);
cl.ClearColorTarget(0, new Veldrid.RgbaFloat(160f / 255, 160f / 255, 192f / 255, 255f));
controller.Render(gd, cl);
cl.End();
gd.SubmitCommands(cl);
gd.SwapBuffers(gd.MainSwapchain);
}
gd.WaitForIdle();
controller.Dispose();
cl.Dispose();
gd.Dispose();
}
protected override void Draw(Veldrid.CommandList cl)
{
// FIXME: Handle elapsed time and not constant
float elapsedTime = 1f / 60;
// FIXME: Can I get the "last" state from Veldrid?
this.deviceSet.UpdateSnapshot(this.LastInputSnapshot);
this.deviceSet.Update(elapsedTime);
this.InputSystem.Update(elapsedTime);
this.ComboTracker.Update(elapsedTime);
this.DeviceSetControl.DrawWindow();
this.InputSystemControl.DrawWindow();
this.ComboTrackerControl.DrawWindow();
}
public void ThreadProc()
{
System.Diagnostics.Stopwatch st = new();
PlottedGraph?activeGraph;
int exceptionCount = 0;
Veldrid.CommandList cl = _clientState !._GraphicsDevice !.ResourceFactory.CreateCommandList();
while (!rgatState.rgatIsExiting)
{
activeGraph = rgatState.GetActiveGraph();
while (activeGraph == null)
{
Thread.Sleep(50);
if (rgatState.rgatIsExiting)
{
Finished();
return;
}
activeGraph = rgatState.GetActiveGraph();
continue;
}
st.Restart();
try
{
update_rendering(activeGraph);
}
catch (Exception e)
{
Logging.RecordException($"update_rendering error: {e.Message}", e);
if (exceptionCount++ > 5)
{
Logging.RecordError("Maingraph renderer terminating due to excess exceptions");
break;
}
}
st.Stop();
//if (st.ElapsedMilliseconds > 0) System.Console.WriteLine($"u_R took {st.ElapsedMilliseconds} ms");
//st.Restart();
try
{
_graphWidget.GenerateMainGraph(cl);
}
catch (Exception e)
{
Logging.RecordException($"update_rendering error: {e.Message}", e);
if (exceptionCount++ > 5)
{
Logging.RecordError("Maingraph renderer terminating due to excess exceptions");
break;
}
}
//clear staging buffers
//https://github.com/mellinoe/veldrid/issues/411
cl.Dispose();
cl = _clientState !._GraphicsDevice !.ResourceFactory.CreateCommandList();
st.Stop();
//if (st.ElapsedMilliseconds > 0) System.Console.WriteLine($"gmg took {st.ElapsedMilliseconds} ms");
Thread.Sleep(GlobalConfig.MainGraphRenderDelay);
}
Finished();
}