protected override void Renderer_ContextCreated(RenderThread sender, ContextCreationEventArgs args) { Log.WriteLine("Render context created. Continuing initialization..."); Log.WriteLine("Running on OpenGL: %@", LogLevel.Message, Gl.GetString(StringName.Renderer) + Gl.GetString(StringName.Version)); Renderer.TargetWindow.KeyDown += TargetWindow_KeyDown; Renderer.TargetWindow.KeyUp += TargetWindow_KeyUp; CompileShaders(); LoadTextures(); Gl.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha); VAO = Gl.GenVertexArray(); Gl.BindVertexArray(VAO); CheckGlErrors("pre-texture"); Gl.ActiveTexture(TextureUnit.Texture0); Gl.BindTexture(TextureTarget.Texture2D, fontAtlasTexture); CheckGlErrors("post-texture"); VBO = Gl.GenBuffer(); Gl.BindBuffer(BufferTarget.ArrayBuffer, VBO); EBO = Gl.GenBuffer(); Gl.BindBuffer(BufferTarget.ElementArrayBuffer, EBO); CheckGlErrors("pre_va_pointer"); Gl.VertexAttribPointer(0, 2, VertexAttribPointerType.Float, false, 12 * sizeof(float), 0 * sizeof(float)); CheckGlErrors("post-va-pointer-0-set"); Gl.EnableVertexAttribArray(0); CheckGlErrors("post-va-pointer-0-enable"); Gl.VertexAttribPointer(1, 2, VertexAttribPointerType.Float, false, 12 * sizeof(float), 2 * sizeof(float)); Gl.EnableVertexAttribArray(1); CheckGlErrors("post-va-pointer-1"); Gl.VertexAttribPointer(2, 4, VertexAttribPointerType.Float, false, 12 * sizeof(float), 4 * sizeof(float)); Gl.EnableVertexAttribArray(2); CheckGlErrors("post-va-pointer-2"); Gl.VertexAttribPointer(3, 4, VertexAttribPointerType.Float, false, 12 * sizeof(float), 8 * sizeof(float)); Gl.EnableVertexAttribArray(3); }