mellinoe’s gists

mellinoe / complete-imgui-example.cs

Created May 12, 2019 18:40

A complete example using Veldrid.ImGui

	using ImGuiNET;
	using Veldrid;
	using Veldrid.StartupUtilities;

	class Program
	{
	static void Main(string[] args)
	{
	VeldridStartup.CreateWindowAndGraphicsDevice(
	new WindowCreateInfo(100, 100, 1280, 720, Veldrid.WindowState.Normal, "ImGui Example"),

mellinoe / VeldridComponent.cs

Last active December 2, 2022 20:34

Example code for embedding a Veldrid Swapchain into WPF

	using System;
	using System.Reflection;
	using System.Runtime.InteropServices;
	using System.Windows;
	using System.Windows.Media;

	namespace Veldrid.WPF
	{
	// This extends from the "Win32HwndControl" from the SharpDX example code.
	public class VeldridComponent : Win32HwndControl

mellinoe / lambda-allocations.cs

Created October 21, 2017 05:25

	using System;
	using System.Collections.Generic;

	class Program
	{
	private static readonly Dictionary<int, Func<int, int>> _funcs = new Dictionary<int, Func<int, int>>();

	static void Main(string[] args)
	{
	for (int iter = 0; iter < 1000000; iter++)

mellinoe / Microsoft.NETFramework.Compatibility.nuspec

Created September 13, 2017 23:52

	<?xml version="1.0" encoding="utf-8"?>
	<package xmlns="http://schemas.microsoft.com/packaging/2013/01/nuspec.xsd">
	<metadata minClientVersion="2.12">
	<id>Microsoft.NETFramework.Compatibility</id>
	<version>2.1.0-preview1-25713-0</version>
	<title>Microsoft.NETFramework.Compatibility</title>
	<authors>Microsoft</authors>
	<owners>microsoft,dotnetframework</owners>
	<requireLicenseAcceptance>false</requireLicenseAcceptance>
	<licenseUrl>https://github.com/dotnet/corefx/blob/master/LICENSE.TXT</licenseUrl>

mellinoe / clrstacks

Created June 22, 2017 21:46

clrstack -f on all managed threads of the System.Net.HttpListener test hang.

	(lldb) clrstack -f
	OS Thread Id: 0xa9068 (1)
	Child SP IP Call Site
	00007FFF5D4ADAA8 00007FFF90D4CC86 libsystem_kernel.dylib!__psynch_cvwait + 10
	00007FFF5D4ADAB0 00007FFF90E3696A libsystem_pthread.dylib!_pthread_cond_wait + 712
	00007FFF5D4ADB50 0000000102A1BB62 libcoreclr.dylib!CorUnix::CPalSynchronizationManager::ThreadNativeWait(CorUnix::_ThreadNativeWaitData, unsigned int, CorUnix::ThreadWakeupReason, unsigned int*) + 338
	00007FFF5D4ADBB0 0000000102A1B788 libcoreclr.dylib!CorUnix::CPalSynchronizationManager::BlockThread(CorUnix::CPalThread, unsigned int, bool, bool, CorUnix::ThreadWakeupReason, unsigned int*) + 440
	00007FFF5D4ADC10 0000000102A206A9 libcoreclr.dylib!CorUnix::InternalWaitForMultipleObjectsEx(CorUnix::CPalThread, unsigned int, void const*, int, unsigned int, int) + 1833
	00007FFF5D4ADDA0 0000000102BA2B05 libcoreclr.dylib!Thread::DoAppropriateWaitWorker(int, void**, int, unsigned int, WaitMode) + 1957
	00007FFF5D4ADE80 0000000102B9D680 libcoreclr.dylib!Thread::DoAppro

mellinoe / MonoGameRenderer.cs

Last active March 26, 2017 07:08

	using System;
	using System.Diagnostics;
	using System.Runtime.InteropServices;
	using Microsoft.Xna.Framework;
	using Microsoft.Xna.Framework.Audio;
	using Microsoft.Xna.Framework.Content;
	using Microsoft.Xna.Framework.Graphics;
	using Microsoft.Xna.Framework.Input;
	using ImGuiNET;

mellinoe / AcosTests.cs

Created March 7, 2017 01:38

Simple test program showing differences in actual and expected behavior in the .NET implementation of Complex.Acos.

	using System;
	using System.Numerics;
	using static System.Numerics.Complex;

	namespace ConsoleApp
	{
	public class Program
	{
	// This is the largest x for which 2 x^2 will not overflow. It is used for branching inside Asin and Acos.
	private static readonly double s_asinOverflowThreshold = Math.Sqrt(double.MaxValue) / 2.0;

mellinoe / blog8.cs

Created February 8, 2017 08:31

	public override void DrawIndexedPrimitives(int count, int startingIndex, int startingVertex)
	{
	_deviceContext.DrawIndexed(count, startingIndex, startingVertex);
	}

mellinoe / blog7.cs

Created February 8, 2017 08:31

	public override void DrawIndexedPrimitives(int count, int startingIndex)
	{
	PreDrawCommand();
	DrawElementsType elementsType = ((OpenGLIndexBuffer)IndexBuffer).ElementsType;
	int indexSize = OpenGLFormats.GetIndexFormatSize(elementsType);
	GL.DrawElements(_primitiveType, count, elementsType, new IntPtr(startingIndex * indexSize));
	}

mellinoe / blog6.cs

Created February 8, 2017 08:30

rc.DrawIndexedPrimitives(Cube.Indices.Length); // Draw the cube.

Eric Mellino mellinoe