update

Renderer.cs

@@ -0,0 +1,61 @@
+using OpenTK.Graphics.OpenGL4;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Voxel
+{
+    static class Renderer
+    {
+        private static int _ssbo;
+        private static int _vao;
+        private static List<FaceData> _faces = new List<FaceData>();
+        private static Shader _shader;
+        private static bool _needsUpdate = false;
+
+        public static void OnLoad()
+        {
+            string vertexPath = "Shaders/shader.vert";
+            string fragmentPath = "Shaders/shader.frag";
+            _shader = new Shader(vertexPath, fragmentPath);
+
+            _ssbo = GL.GenBuffer();
+            _vao = GL.GenVertexArray();
+
+            GL.BindVertexArray(_vao);
+            GL.BindBuffer(BufferTarget.ShaderStorageBuffer, _ssbo);
+            GL.BindBufferBase(BufferRangeTarget.ShaderStorageBuffer, 0, _ssbo);
+        }
+
+        public static void Render()
+        {
+            GL.BindVertexArray(_vao);
+            GL.BindBuffer(BufferTarget.ShaderStorageBuffer, _ssbo);
+
+            if (_needsUpdate)
+            {
+                _needsUpdate = false;
+                Console.WriteLine("Update buffer");
+                uint[] data = _faces.SelectMany(f => f.Pack()).ToArray();
+                GL.BufferData(BufferTarget.ShaderStorageBuffer, data.Length * sizeof(uint), data, BufferUsageHint.StaticRead);
+            }
+
+            _shader.Use();
+            _shader.SetMatrix4("view", Camera.view);
+            _shader.SetMatrix4("projection", Camera.projection);
+
+            GL.DrawArrays(PrimitiveType.Triangles, 0, _faces.Count * 6);
+
+            //Console.WriteLine("Rendered " + _faces.Count.ToString() + " faces");
+        }
+
+        public static void AddFaces(List<FaceData> faces)
+        {
+            _faces.AddRange(faces);
+            _needsUpdate = true;
+        }
+    }
+}