Add project files.

2025-08-26 16:00:58 +02:00
parent 3c864f793b
commit 1d062528aa
8 changed files with 270 additions and 0 deletions
--- a/Shader.cs
+++ b/Shader.cs
@@ -0,0 +1,93 @@
+using OpenTK.Graphics.OpenGL4;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection.Metadata;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Voxel
+{
+    public class Shader
+    {
+        int handle;
+        private bool disposedValue = false;
+
+        public Shader(string vertexPath, string fragmentPath)
+        {
+            string vertexShaderSource = File.ReadAllText(vertexPath);
+            string fragmentShaderSource = File.ReadAllText(fragmentPath);
+
+            int vertexShader = GL.CreateShader(ShaderType.VertexShader);
+            int fragmentShader = GL.CreateShader(ShaderType.FragmentShader);
+
+            GL.ShaderSource(vertexShader, vertexShaderSource);
+            GL.ShaderSource(fragmentShader, fragmentShaderSource);
+
+            GL.CompileShader(vertexShader);
+            GL.GetShader(vertexShader, ShaderParameter.CompileStatus, out int success);
+            if (success == 0)
+            {
+                string infoLog = GL.GetShaderInfoLog(vertexShader);
+                Console.WriteLine(infoLog);
+            }
+
+            GL.CompileShader(fragmentShader);
+            if (success == 0)
+            {
+                string infoLog = GL.GetShaderInfoLog(fragmentShader);
+                Console.WriteLine(infoLog);
+            }
+
+            // attach
+
+            handle = GL.CreateProgram();
+
+            GL.AttachShader(handle, vertexShader);
+            GL.AttachShader(handle, fragmentShader);
+
+            GL.LinkProgram(handle);
+
+            GL.GetProgram(handle, GetProgramParameterName.LinkStatus, out success);
+            if (success == 0)
+            {
+                string infoLog = GL.GetProgramInfoLog(handle);
+                Console.WriteLine(infoLog);
+            }
+
+            GL.DetachShader(handle, vertexShader);
+            GL.DetachShader(handle, fragmentShader);
+            GL.DeleteShader(fragmentShader);
+            GL.DeleteShader(vertexShader);
+        }
+
+        public void Use()
+        {
+            GL.UseProgram(handle);
+        }
+
+        protected virtual void Dispose(bool disposing)
+        {
+            if (!disposedValue)
+            {
+                GL.DeleteProgram(handle);
+
+                disposedValue = true;
+            }
+        }
+
+        ~Shader()
+        {
+            if (disposedValue == false)
+            {
+                Console.WriteLine("GPU Resource leak! Did you forget to call Dispose()?");
+            }
+        }
+
+        public void Dispose()
+        {
+            Dispose(true);
+            GC.SuppressFinalize(this);
+        }
+    }
+}