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[GLTriangle30] OpenTK 3.0 version of GLTriangle
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‎GLTriangle30/GLTriangle30.csproj

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProductVersion>8.0.30703</ProductVersion>
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<SchemaVersion>2.0</SchemaVersion>
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<ProjectGuid>{73A74ADF-6308-42A0-8BA6-2B5D53238546}</ProjectGuid>
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<ProjectTypeGuids>{EFBA0AD7-5A72-4C68-AF49-83D382785DCF};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
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<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>Mono.Samples.GLTriangle30</RootNamespace>
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<AssemblyName>GLTriangle20</AssemblyName>
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<FileAlignment>512</FileAlignment>
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<AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
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<AndroidResgenFile>Resources\Resource.Designer.cs</AndroidResgenFile>
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<AndroidApplication>true</AndroidApplication>
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<TargetFrameworkVersion>v4.2</TargetFrameworkVersion>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>True</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>False</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<MonoDroidLinkMode>None</MonoDroidLinkMode>
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<AndroidLinkMode>None</AndroidLinkMode>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<DebugType>pdbonly</DebugType>
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<Optimize>True</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<AndroidUseSharedRuntime>False</AndroidUseSharedRuntime>
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<MonoDroidLinkMode>Full</MonoDroidLinkMode>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="Mono.Android" />
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="OpenTK" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="PaintingView.cs" />
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<Compile Include="Resources\Resource.Designer.cs" />
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<Compile Include="GLTriangle30Activity.cs" />
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</ItemGroup>
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<ItemGroup>
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<None Include="Properties\AndroidManifest.xml">
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<SubType>Designer</SubType>
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</None>
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</ItemGroup>
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<ItemGroup>
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<AndroidResource Include="Resources\drawable\app_gltriangle.png" />
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<AndroidResource Include="Resources\layout\main.xml" />
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<AndroidResource Include="Resources\values\strings.xml">
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<SubType>Designer</SubType>
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</AndroidResource>
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<AndroidResource Include="Resources\drawable-hdpi\icon.png" />
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<AndroidResource Include="Resources\drawable-ldpi\icon.png" />
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<AndroidResource Include="Resources\drawable-mdpi\icon.png" />
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<AndroidResource Include="Resources\drawable-xhdpi\icon.png" />
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<AndroidResource Include="Resources\drawable-xxhdpi\icon.png" />
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</ItemGroup>
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<Import Project="$(MSBuildExtensionsPath)\Novell\Novell.MonoDroid.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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<ItemGroup>
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<Folder Include="Resources\drawable-hdpi\" />
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<Folder Include="Resources\drawable-ldpi\" />
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<Folder Include="Resources\drawable-mdpi\" />
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<Folder Include="Resources\drawable-xhdpi\" />
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<Folder Include="Resources\drawable-xxhdpi\" />
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</ItemGroup>
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</Project>

‎GLTriangle30/GLTriangle30.sln

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Microsoft Visual Studio Solution File, Format Version 11.00
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# Visual Studio 2010
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GLTriangle30", "GLTriangle30.csproj", "{73A74ADF-6308-42A0-8BA6-2B5D53238546}"
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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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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{73A74ADF-6308-42A0-8BA6-2B5D53238546}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{73A74ADF-6308-42A0-8BA6-2B5D53238546}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{73A74ADF-6308-42A0-8BA6-2B5D53238546}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{73A74ADF-6308-42A0-8BA6-2B5D53238546}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(MonoDevelopProperties) = preSolution
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StartupItem = GLTriangle30.csproj
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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EndGlobal

‎GLTriangle30/GLTriangle30/Assets/AboutAssets.txt

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Any raw assets you want to be deployed with your application can be placed in
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this directory (and child directories) and given a Build Action of "AndroidAsset".
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These files will be deployed with your package and will be accessible using Android's
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AssetManager, like this:
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public class ReadAsset : Activity
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{
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protected override void OnCreate (Bundle bundle)
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{
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base.OnCreate (bundle);
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InputStream input = Assets.Open ("my_asset.txt");
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}
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}
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Additionally, some Android functions will automatically load asset files:
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Typeface tf = Typeface.CreateFromAsset (Context.Assets, "fonts/samplefont.ttf");

‎GLTriangle30/GLTriangle30/GLView1.cs

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using System;
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using OpenTK;
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using OpenTK.Graphics;
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using OpenTK.Graphics.ES11;
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using OpenTK.Platform;
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using OpenTK.Platform.Android;
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using Android.Views;
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using Android.Content;
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using Android.Util;
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namespace GLTriangle30
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{
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class GLView1 : AndroidGameView
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{
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public GLView1 (Context context) : base (context)
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{
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}
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// This gets called when the drawing surface is ready
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protected override void OnLoad (EventArgs e)
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{
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base.OnLoad (e);
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// Run the render loop
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Run ();
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}
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// This method is called everytime the context needs
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// to be recreated. Use it to set any egl-specific settings
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// prior to context creation
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//
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// In this particular case, we demonstrate how to set
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// the graphics mode and fallback in case the device doesn't
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// support the defaults
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protected override void CreateFrameBuffer ()
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{
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// the default GraphicsMode that is set consists of (16, 16, 0, 0, 2, false)
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try {
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Log.Verbose ("GLCube", "Loading with default settings");
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// if you don't call this, the context won't be created
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base.CreateFrameBuffer ();
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return;
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} catch (Exception ex) {
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Log.Verbose ("GLCube", "{0}", ex);
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}
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// this is a graphics setting that sets everything to the lowest mode possible so
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// the device returns a reliable graphics setting.
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try {
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Log.Verbose ("GLCube", "Loading with custom Android settings (low mode)");
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GraphicsMode = new AndroidGraphicsMode (0, 0, 0, 0, 0, false);
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// if you don't call this, the context won't be created
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base.CreateFrameBuffer ();
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return;
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} catch (Exception ex) {
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Log.Verbose ("GLCube", "{0}", ex);
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}
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throw new Exception ("Can't load egl, aborting");
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}
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// This gets called on each frame render
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protected override void OnRenderFrame (FrameEventArgs e)
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{
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// you only need to call this if you have delegates
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// registered that you want to have called
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base.OnRenderFrame (e);
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GL.MatrixMode (All.Projection);
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GL.LoadIdentity ();
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GL.Ortho (-1.0f, 1.0f, -1.5f, 1.5f, -1.0f, 1.0f);
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GL.MatrixMode (All.Modelview);
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GL.Rotate (3.0f, 0.0f, 0.0f, 1.0f);
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GL.ClearColor (0.5f, 0.5f, 0.5f, 1.0f);
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GL.Clear (ClearBufferMask.ColorBufferBit);
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GL.VertexPointer (2, All.Float, 0, square_vertices);
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GL.EnableClientState (All.VertexArray);
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GL.ColorPointer (4, All.UnsignedByte, 0, square_colors);
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GL.EnableClientState (All.ColorArray);
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GL.DrawArrays (All.TriangleStrip, 0, 4);
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SwapBuffers ();
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}
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float[] square_vertices = {
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-0.5f, -0.5f,
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0.5f, -0.5f,
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-0.5f, 0.5f,
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0.5f, 0.5f,
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};
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byte[] square_colors = {
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255, 255, 0, 255,
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0, 255, 255, 255,
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0, 0, 0, 0,
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255, 0, 255, 255,
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};
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}
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}
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‎GLTriangle30/GLTriangle30/MainActivity.cs

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using System;
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using Android.App;
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using Android.Content;
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using Android.Runtime;
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using Android.Views;
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using Android.Widget;
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using Android.OS;
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using Android.Content.PM;
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namespace GLTriangle30
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{
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// the ConfigurationChanges flags set here keep the EGL context
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// from being destroyed whenever the device is rotated or the
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// keyboard is shown (highly recommended for all GL apps)
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[Activity (Label = "GLTriangle30",
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#if __ANDROID_11__
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HardwareAccelerated=false,
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#endif
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ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.KeyboardHidden,
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MainLauncher = true)]
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public class MainActivity : Activity
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{
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GLView1 view;
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protected override void OnCreate (Bundle bundle)
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{
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base.OnCreate (bundle);
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// Create our OpenGL view, and display it
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view = new GLView1 (this);
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SetContentView (view);
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}
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protected override void OnPause ()
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{
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// never forget to do this!
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base.OnPause ();
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view.Pause ();
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}
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protected override void OnResume ()
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{
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// never forget to do this!
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base.OnResume ();
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view.Resume ();
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}
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}
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}
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‎GLTriangle30/GLTriangle30/Properties/AssemblyInfo.cs

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using System.Reflection;
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using System.Runtime.CompilerServices;
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using Android.App;
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// Information about this assembly is defined by the following attributes.
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// Change them to the values specific to your project.
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[assembly: AssemblyTitle ("GLTriangle30")]
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[assembly: AssemblyDescription ("")]
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[assembly: AssemblyConfiguration ("")]
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[assembly: AssemblyCompany ("")]
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[assembly: AssemblyProduct ("")]
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[assembly: AssemblyCopyright ("mak")]
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[assembly: AssemblyTrademark ("")]
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[assembly: AssemblyCulture ("")]
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// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
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// The form "{Major}.{Minor}.*" will automatically update the build and revision,
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// and "{Major}.{Minor}.{Build}.*" will update just the revision.
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[assembly: AssemblyVersion ("1.0.0")]
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// The following attributes are used to specify the signing key for the assembly,
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// if desired. See the Mono documentation for more information about signing.
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//[assembly: AssemblyDelaySign(false)]
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//[assembly: AssemblyKeyFile("")]
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‎GLTriangle30/GLTriangle30/Resources/AboutResources.txt

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Images, layout descriptions, binary blobs and string dictionaries can be included
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in your application as resource files. Various Android APIs are designed to
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operate on the resource IDs instead of dealing with images, strings or binary blobs
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directly.
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For example, a sample Android app that contains a user interface layout (main.axml),
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an internationalization string table (strings.xml) and some icons (drawable-XXX/icon.png)
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would keep its resources in the "Resources" directory of the application:
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Resources/
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drawable/
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icon.png
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layout/
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main.axml
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values/
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strings.xml
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In order to get the build system to recognize Android resources, set the build action to
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"AndroidResource". The native Android APIs do not operate directly with filenames, but
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instead operate on resource IDs. When you compile an Android application that uses resources,
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the build system will package the resources for distribution and generate a class called "R"
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(this is an Android convention) that contains the tokens for each one of the resources
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included. For example, for the above Resources layout, this is what the R class would expose:
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public class R {
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public class drawable {
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public const int icon = 0x123;
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}
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public class layout {
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public const int main = 0x456;
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}
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public class strings {
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public const int first_string = 0xabc;
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public const int second_string = 0xbcd;
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}
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}
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You would then use R.drawable.icon to reference the drawable/icon.png file, or R.layout.main
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to reference the layout/main.axml file, or R.strings.first_string to reference the first
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string in the dictionary file values/strings.xml.

‎GLTriangle30/GLTriangle30/Resources/drawable/Icon.png

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‎GLTriangle30/GLTriangle30/Resources/layout/Main.axml

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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:orientation="vertical"
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android:layout_width="fill_parent"
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android:layout_height="fill_parent"
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>
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</LinearLayout>
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‎GLTriangle30/GLTriangle30/Resources/values/Strings.xml

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<?xml version="1.0" encoding="utf-8"?>
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<resources>
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<string name="app_name">GLTriangle30</string>
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</resources>

‎GLTriangle30/GLTriangle30Activity.cs

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using System;
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using Android.App;
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using Android.OS;
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using Android.Util;
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using Android.Views;
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using Android.Widget;
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using Android.Content.PM;
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namespace Mono.Samples.GLTriangle30
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{
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[Activity (Label = "@string/app_name", MainLauncher = true, Icon = "@drawable/app_gltriangle",
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#if __ANDROID_11__
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HardwareAccelerated=false,
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#endif
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ConfigurationChanges = ConfigChanges.KeyboardHidden, LaunchMode = LaunchMode.SingleTask)]
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public class GLTriangle30Activity : Activity
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{
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protected override void OnCreate (Bundle savedInstanceState)
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{
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base.OnCreate (savedInstanceState);
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// Inflate our UI from its XML layout description
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// - should match filename res/layout/main.xml ?
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SetContentView (Resource.Layout.main);
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// Load the view
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FindViewById (Resource.Id.paintingview);
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}
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}
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}

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