CSharpGL.Framebuffer.Unbind C# (CSharp) Method

        public void Unbind(FramebufferTarget target = FramebufferTarget.Framebuffer)
        {
            glBindFramebuffer((uint)target, 0);
        }

        private Framebuffer CreateFramebuffer(int width, int height)
        {
            //Renderbuffer colorBuffer = Renderbuffer.CreateColorbuffer(width, height, GL.GL_RGBA);
            //Renderbuffer depthBuffer = Renderbuffer.CreateDepthbuffer(width, height, DepthComponentType.DepthComponent24);
            var framebuffer = new Framebuffer(width, height);

            framebuffer.Bind();
            //framebuffer.Attach(colorBuffer);//0
            //this.BindingTexture = framebuffer.Attach(TextureAttachment.DepthAttachment);//1
            var texture = new Texture(new TexImage2D(TexImage2D.Target.Texture2D, GL.GL_DEPTH_COMPONENT32, width, height, GL.GL_DEPTH_COMPONENT, GL.GL_FLOAT),
                                      // 设置默认滤波模式
                                      new TexParameteri(TexParameter.PropertyName.TextureMinFilter, (int)GL.GL_LINEAR),
                                      new TexParameteri(TexParameter.PropertyName.TextureMagFilter, (int)GL.GL_LINEAR),
                                      // 设置深度比较模式
                                      new TexParameteri(TexParameter.PropertyName.TextureCompareMode, (int)GL.GL_COMPARE_REF_TO_TEXTURE),
                                      new TexParameteri(TexParameter.PropertyName.TextureCompareFunc, (int)GL.GL_LEQUAL),
                                      // 设置边界截取模式
                                      new TexParameteri(TexParameter.PropertyName.TextureWrapS, (int)GL.GL_CLAMP_TO_EDGE),
                                      new TexParameteri(TexParameter.PropertyName.TextureWrapT, (int)GL.GL_CLAMP_TO_EDGE));

            texture.Initialize();
            framebuffer.Attach(FramebufferTarget.Framebuffer, texture, AttachmentLocation.Depth);
            this.BindingTexture = texture;

            //framebuffer.Attach(depthBuffer);// special
            //framebuffer.SetDrawBuffers(GL.GL_COLOR_ATTACHMENT0 + 1);// as in 1 in framebuffer.Attach(texture);//1
            //framebuffer.SetDrawBuffers(GL.GL_NONE);
            framebuffer.SetDrawBuffer(GL.GL_NONE);
            //framebuffer.SetReadBuffer(GL.GL_NONE);
            this.BindingTexture.Bind();
            framebuffer.CheckCompleteness();
            this.BindingTexture.Unbind();
            framebuffer.Unbind();
            return(framebuffer);
        }