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create basic opengl window for visual tests
1 parent 38a4715 commit f20a02a

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11 files changed

+154
-7
lines changed

11 files changed

+154
-7
lines changed

Diff for: ‎OpenVR.NET.sln

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Original file line numberDiff line numberDiff line change
@@ -7,6 +7,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "OpenVR.NET", "OpenVR.NET\Op
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EndProject
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Tests", "Tests\Tests.csproj", "{B5BFC04A-389E-408C-87F5-9BA8276F127A}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "VisualTests", "VisualTests\VisualTests.csproj", "{6C12C228-7E1D-4871-8F7E-0A81BB4D5960}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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{B5BFC04A-389E-408C-87F5-9BA8276F127A}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{B5BFC04A-389E-408C-87F5-9BA8276F127A}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{B5BFC04A-389E-408C-87F5-9BA8276F127A}.Release|Any CPU.Build.0 = Release|Any CPU
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{6C12C228-7E1D-4871-8F7E-0A81BB4D5960}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{6C12C228-7E1D-4871-8F7E-0A81BB4D5960}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{6C12C228-7E1D-4871-8F7E-0A81BB4D5960}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{6C12C228-7E1D-4871-8F7E-0A81BB4D5960}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE

Diff for: ‎Tests/Actions.cs

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@@ -1,10 +1,4 @@
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Tests;
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namespace Tests;
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public enum Actions {
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Boolean,

Diff for: ‎VisualTests/Graphics/Shader.cs

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namespace VisualTests.Graphics;
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public class Shader {
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public readonly GlHandle Handle;
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public Shader ( string vertPath, string fragPath ) {
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var vertSource = File.ReadAllText( vertPath );
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var fragSource = File.ReadAllText( fragPath );
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GlHandle vert = GL.CreateShader( ShaderType.VertexShader );
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GlHandle frag = GL.CreateShader( ShaderType.FragmentShader );
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GL.ShaderSource( vert, vertSource );
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GL.ShaderSource( frag, fragSource );
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Handle = GL.CreateProgram();
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GL.AttachShader( Handle, vert );
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GL.AttachShader( Handle, frag );
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GL.LinkProgram( Handle );
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GL.DeleteShader( vert );
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GL.DeleteShader( frag );
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}
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public void Bind () {
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GL.UseProgram( Handle );
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}
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}

Diff for: ‎VisualTests/Program.cs

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using VisualTests;
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using var program = new TestWindow( new() {
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IsMultiThreaded = false,
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RenderFrequency = 120,
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UpdateFrequency = 240
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}, new() {
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} );
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program.Run();

Diff for: ‎VisualTests/Resources/Shaders/basic.frag

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#version 330 core
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out vec4 FragColor;
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void main()
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{
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FragColor = vec4(1.0f, 0.5f, 0.2f, 1.0f);
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}

Diff for: ‎VisualTests/Resources/Shaders/basic.vert

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#version 330 core
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layout (location = 0) in vec3 aPos;
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void main()
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{
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gl_Position = vec4(aPos.x, aPos.y, aPos.z, 1.0);
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}

Diff for: ‎VisualTests/Resources/Textures/susie.png

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Diff for: ‎VisualTests/TestWindow.cs

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using OpenTK.Windowing.Common;
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using OpenTK.Windowing.Desktop;
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using VisualTests.Graphics;
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using VisualTests.Vetrices;
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namespace VisualTests;
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internal class TestWindow : GameWindow {
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public TestWindow ( GameWindowSettings gameWindowSettings, NativeWindowSettings nativeWindowSettings )
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: base( gameWindowSettings, nativeWindowSettings ) {
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basicShader = new( "Resources/Shaders/basic.vert", "Resources/Shaders/basic.frag" );
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}
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Shader basicShader;
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Vector3[] triangleData = null!;
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GlHandle VBO;
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GlHandle VAO;
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protected override void OnLoad () {
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base.OnLoad();
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triangleData = new Vector3[] {
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new( -0.5f, -0.5f, 0.0f ),
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new( 0.5f, -0.5f, 0.0f ),
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new( 0.0f, 0.5f, 0.0f )
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};
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VBO = GL.GenBuffer();
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GL.BindBuffer( BufferTarget.ArrayBuffer, VBO );
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PositionVertex.Upload( triangleData, triangleData.Length );
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VAO = GL.GenVertexArray();
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GL.BindVertexArray( VAO );
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PositionVertex.Link( position: 0 );
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}
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float time;
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protected override void OnRenderFrame ( FrameEventArgs args ) {
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base.OnRenderFrame( args );
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var deltaTime = (float)args.Time;
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time += deltaTime;
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GL.Viewport( 0, 0, Size.X, Size.Y );
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GL.ClearColor( 0.2f, 0.3f, 0.3f, 1.0f );
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GL.Clear( ClearBufferMask.ColorBufferBit );
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basicShader.Bind();
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GL.BindVertexArray( VAO );
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GL.DrawArrays( PrimitiveType.Triangles, 0, 3 );
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SwapBuffers();
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}
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}

Diff for: ‎VisualTests/Vetrices/PositionVertex.cs

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namespace VisualTests.Vetrices;
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public static class PositionVertex {
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public static readonly int Stride = sizeof( float ) * 3;
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public static void Upload ( Vector3[] data, int length, BufferUsageHint usage = BufferUsageHint.StaticDraw ) {
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GL.BufferData( BufferTarget.ArrayBuffer, length * Stride, data, usage );
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}
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public static void Link ( int position = 0 ) {
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GL.VertexAttribPointer( position, 3, VertexAttribPointerType.Float, false, Stride, 0 );
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GL.EnableVertexAttribArray( position );
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}
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}

Diff for: ‎VisualTests/VisualTests.csproj

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net6.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<None Remove="Resources\Shaders\basic.frag" />
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<None Remove="Resources\Shaders\basic.vert" />
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<None Remove="Resources\Textures\susie.png" />
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</ItemGroup>
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<ItemGroup>
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<Content Include="Resources\**">
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<CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
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</Content>
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="OpenTK" Version="4.7.2" />
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</ItemGroup>
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</Project>

Diff for: ‎VisualTests/global.cs

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global using OpenTK.Graphics.ES30;
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global using OpenTK.Mathematics;
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global using GlHandle = System.Int32;

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