Initial Commit

f3dora19 · Aug 16, 2016 · e46d8d3 · e46d8d3
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diff --git a/Main_OpenGL.sln b/Main_OpenGL.sln
@@ -0,0 +1,22 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 14
+VisualStudioVersion = 14.0.24720.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Main_OpenGL", "Main_OpenGL\Main_OpenGL.csproj", "{60281395-7D27-4AB6-B480-2DE0B61A45ED}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{60281395-7D27-4AB6-B480-2DE0B61A45ED}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{60281395-7D27-4AB6-B480-2DE0B61A45ED}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{60281395-7D27-4AB6-B480-2DE0B61A45ED}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{60281395-7D27-4AB6-B480-2DE0B61A45ED}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
diff --git a/Main_OpenGL/App.config b/Main_OpenGL/App.config
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5.2" />
+    </startup>
+</configuration>
diff --git a/Main_OpenGL/Game.cs b/Main_OpenGL/Game.cs
@@ -0,0 +1,234 @@
+using OpenTK;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Drawing;
+using System.Threading.Tasks;
+using OpenTK.Graphics;
+using OpenTK.Graphics.OpenGL;
+using System.IO;
+
+namespace Main_OpenGL
+{
+    class Game : GameWindow
+    {
+        /// <summary>
+        /// ID of our program on the graphics card
+        /// </summary>
+        int pgmID;
+
+        /// <summary>
+        /// Address of the vertex shader
+        /// </summary>
+        int vsID;
+
+        /// <summary>
+        /// Address of the fragment shader
+        /// </summary>
+        int fsID;
+
+        /// <summary>
+        /// Address of the color parameter
+        /// </summary>
+        int attribute_vcol;
+
+        /// <summary>
+        /// Address of the position parameter
+        /// </summary>
+        int attribute_vpos;
+
+        /// <summary>
+        /// Address of the modelview matrix uniform
+        /// </summary>
+        int uniform_mview;
+
+        /// <summary>
+        /// Address of the Vertex Buffer Object for our position parameter
+        /// </summary>
+        int vbo_position;
+
+        /// <summary>
+        /// Address of the Vertex Buffer Object for our color parameter
+        /// </summary>
+        int vbo_color;
+
+        /// <summary>
+        /// Address of the Vertex Buffer Object for our modelview matrix
+        /// </summary>
+        int vbo_mview;
+
+        /// <summary>
+        /// Array of our vertex positions
+        /// </summary>
+        Vector3[] vertData;
+
+        /// <summary>
+        /// Array of our vertex colors
+        /// </summary>
+        Vector3[] colData;
+
+        /// <summary>
+        /// Array of our modelview matrices
+        /// </summary>
+        Matrix4[] mviewData;
+
+        void initProgram()
+        {
+            /**
+            * In this function, we'll start with a call to the GL.CreateProgram() function,
+            * which returns the ID for a ne program object, which we'll store in pgmID.
+            **/
+            pgmID = GL.CreateProgram();
+
+            loadShader("vs.glsl", ShaderType.VertexShader, pgmID, out vsID);
+            loadShader("fs.glsl", ShaderType.FragmentShader, pgmID, out vsID);
+
+            /**
+            * Now that the shaders are added, the program needs to be linked.
+            * Like C code, the code is first compiled, then linked, so that it goes
+            * form human-readable code to the machine language needed.
+            **/
+            GL.LinkProgram(pgmID);
+            Console.WriteLine(GL.GetProgramInfoLog(pgmID));
+
+            /**
+            * We have multiple inputs on our vertex shader, so e need to get
+            * their addresses to give the shader position and color information for our vertices.
+            *
+            * To get the addresses for each variable, e use the
+            * GL.GetAttribLocation and GL.GetUniformLocation functions.
+            * Each takes the program's ID and the name of the variable in the shader.
+            **/
+            attribute_vpos = GL.GetAttribLocation(pgmID, "vPosition");
+            attribute_vcol = GL.GetAttribLocation(pgmID, "vColor");
+            uniform_mview = GL.GetUniformLocation(pgmID, "modelview");
+
+            /**
+            * Now our shaders and program are set up, but we need to give them something to draw.
+            * To do this, e'll be using a Vertex Buffer Object (VBO).
+            * When you use a VBO, first you need to have the graphics card create
+            * one, then bind to it and send your information.
+            * Then, when DrawArrays function is called, the information in
+            * the buffers will sent to the shaders and drawn to the screen.
+            **/
+            GL.GenBuffers(1, out vbo_position);
+            GL.GenBuffers(1, out vbo_color);
+            GL.GenBuffers(1, out vbo_mview);
+
+        }
+
+        protected override void OnLoad(EventArgs e)
+        {
+            base.OnLoad(e);
+            initProgram();
+
+            /**
+            * First, we have to create our vertex array.
+            **/
+            vertData = new Vector3[]
+            {
+                new Vector3(-0.8f, -0.8f, 0f),
+                new Vector3(0.8f, -0.8f, 0f),
+                new Vector3(0f, 0.8f, 0f)
+            };
+
+            /**
+            * Then, we have to create our color array for each vertex
+            **/
+            colData = new Vector3[]
+            {
+                new Vector3(1.0f, 0f, 0f),
+                new Vector3(0f, 1.0f, 0f),
+                new Vector3(0f, 0f, 1.0f)
+            };
+
+            /**
+            * Finally, we have to create our modelview matrix
+            **/
+            mviewData = new Matrix4[]
+            {
+                Matrix4.Identity
+            };
+
+            Title = "TestShaders";
+            GL.ClearColor(Color.AliceBlue);
+            GL.PointSize(5f);
+        }
+
+        protected override void OnRenderFrame(FrameEventArgs e)
+        {
+            base.OnRenderFrame(e);
+
+            GL.Viewport(0, 0, Width, Height);
+
+            GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
+
+            GL.Enable(EnableCap.DepthTest);
+
+            GL.EnableVertexAttribArray(attribute_vpos);
+            GL.EnableVertexAttribArray(attribute_vcol);
+
+            GL.DrawArrays(BeginMode.Triangles, 0, 3);
+
+            GL.DisableVertexAttribArray(attribute_vpos);
+
+            GL.DisableVertexAttribArray(attribute_vcol);
+
+            GL.Flush();
+
+            this.SwapBuffers();
+        }
+
+        protected override void OnUpdateFrame(FrameEventArgs e)
+        {
+            base.OnUpdateFrame(e);
+
+            GL.BindBuffer(BufferTarget.ArrayBuffer, vbo_position);
+
+            GL.BufferData<Vector3>(BufferTarget.ArrayBuffer, (IntPtr)(vertData.Length * Vector3.SizeInBytes), vertData, BufferUsageHint.StaticDraw);
+
+            GL.VertexAttribPointer(attribute_vpos, 3, VertexAttribPointerType.Float, false, 0, 0);
+
+            GL.BindBuffer(BufferTarget.ArrayBuffer, vbo_color);
+
+            GL.BufferData<Vector3>(BufferTarget.ArrayBuffer, (IntPtr)(colData.Length * Vector3.SizeInBytes), colData, BufferUsageHint.StaticDraw);
+
+            GL.VertexAttribPointer(attribute_vcol, 3, VertexAttribPointerType.Float, true, 0, 0);
+
+            GL.UniformMatrix4(uniform_mview, false, ref mviewData[0]);
+
+            GL.UseProgram(pgmID);
+
+            GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
+
+        }
+
+        /// <summary>
+        /// This create a new shader (using a value from the ShaderType enum), loads code for it, compiles it, and adds it to our program.
+        /// It also prints any errors it found to the console, which is really nice for when you make a mistake in a shader (it will also yell at you if you use deprecated code).
+        /// </summary>
+        /// <param name="filename">File to load the shader from</param>
+        /// <param name="type">Type of shader to load</param>
+        /// <param name="program">ID of the program to use the shader with</param>
+        /// <param name="address">Address of the compiled shader</param>
+        void loadShader(String filename, ShaderType type, int program, out int address)
+        {
+            address = GL.CreateShader(type);
+            using(StreamReader sr = new StreamReader(filename))
+            {
+                GL.ShaderSource(address, sr.ReadToEnd());
+            }
+            GL.CompileShader(address);
+            GL.AttachShader(program, address);
+            Console.WriteLine(GL.GetShaderInfoLog(address));
+        }
+
+        public Game()
+            : base(512, 512, new GraphicsMode(32, 24, 0, 4))
+        {
+
+        }
+
+    }
+}
diff --git a/Main_OpenGL/Main_OpenGL.csproj b/Main_OpenGL/Main_OpenGL.csproj
@@ -0,0 +1,118 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{60281395-7D27-4AB6-B480-2DE0B61A45ED}</ProjectGuid>
+    <OutputType>WinExe</OutputType>
+    <AppDesignerFolder>Properties</AppDesignerFolder>
+    <RootNamespace>Main_OpenGL</RootNamespace>
+    <AssemblyName>Main_OpenGL</AssemblyName>
+    <TargetFrameworkVersion>v4.5.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+    <PublishUrl>publish\</PublishUrl>
+    <Install>true</Install>
+    <InstallFrom>Disk</InstallFrom>
+    <UpdateEnabled>false</UpdateEnabled>
+    <UpdateMode>Foreground</UpdateMode>
+    <UpdateInterval>7</UpdateInterval>
+    <UpdateIntervalUnits>Days</UpdateIntervalUnits>
+    <UpdatePeriodically>false</UpdatePeriodically>
+    <UpdateRequired>false</UpdateRequired>
+    <MapFileExtensions>true</MapFileExtensions>
+    <ApplicationRevision>0</ApplicationRevision>
+    <ApplicationVersion>1.0.0.%2a</ApplicationVersion>
+    <IsWebBootstrapper>false</IsWebBootstrapper>
+    <UseApplicationTrust>false</UseApplicationTrust>
+    <BootstrapperEnabled>true</BootstrapperEnabled>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup>
+    <StartupObject />
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="OpenTK, Version=1.1.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
+      <HintPath>..\packages\OpenTK.1.1.2349.61993\lib\NET40\OpenTK.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="OpenTK.GLControl, Version=1.1.0.0, Culture=neutral, PublicKeyToken=bad199fe84eb3df4, processorArchitecture=MSIL">
+      <HintPath>..\packages\OpenTK.GLControl.1.1.2349.61993\lib\NET40\OpenTK.GLControl.dll</HintPath>
+      <Private>True</Private>
+    </Reference>
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Drawing" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Game.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="Properties\Resources.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+    <None Include="fs.glsl">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+    <None Include="packages.config" />
+    <None Include="vs.glsl">
+      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <EmbeddedResource Include="Properties\Resources.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
+  </ItemGroup>
+  <ItemGroup>
+    <BootstrapperPackage Include=".NETFramework,Version=v4.5.2">
+      <Visible>False</Visible>
+      <ProductName>Microsoft .NET Framework 4.5.2 %28x86 and x64%29</ProductName>
+      <Install>true</Install>
+    </BootstrapperPackage>
+    <BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
+      <Visible>False</Visible>
+      <ProductName>.NET Framework 3.5 SP1</ProductName>
+      <Install>false</Install>
+    </BootstrapperPackage>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
+       Other similar extension points exist, see Microsoft.Common.targets.
+  <Target Name="BeforeBuild">
+  </Target>
+  <Target Name="AfterBuild">
+  </Target>
+  -->
+</Project>