32883 Fermer 32885
WarptenLe 22/11/2017 à 09:36
        public void Bind()
        {
            if (!_dirty)
            {
                GL.BindFramebuffer(FramebufferTarget.Framebuffer, _handle);
                return;
            }

            // Delete the previous framebuffer if it existed
            if (GL.IsFramebuffer(_handle))
                GL.DeleteFramebuffer(_handle);

            _handle = GL.GenFramebuffer();
            GL.BindFramebuffer(FramebufferTarget.Framebuffer, _handle);

            if (!GL.IsTexture(_colorBufferHandle))
                _colorBufferHandle = GL.GenTexture();

            GL.BindTexture(TextureTarget.Texture2DMultisample, _colorBufferHandle);
            GL.TexImage2DMultisample(TextureTargetMultisample.Texture2DMultisample, 4, PixelInternalFormat.Rgb, _width, _height, true); //  0, PixelFormat.Rgb, PixelType.UnsignedByte, IntPtr.Zero);

            // GL.TexParameter(TextureTarget.Texture2DMultisample, TextureParameterName.TextureMinFilter, (int)TextureMinFilter.Linear);
            // GL.TexParameter(TextureTarget.Texture2DMultisample, TextureParameterName.TextureMagFilter, (int)TextureMinFilter.Linear);
            
            GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2DMultisample, _colorBufferHandle, 0);

            if (!GL.IsRenderbuffer(_depthBufferHandle))
                _depthBufferHandle = GL.GenRenderbuffer();

            GL.BindRenderbuffer(RenderbufferTarget.Renderbuffer, _depthBufferHandle);
            GL.RenderbufferStorageMultisample(RenderbufferTarget.Renderbuffer, 4, RenderbufferStorage.Depth32fStencil8, _width, _height);

            GL.FramebufferRenderbuffer(FramebufferTarget.Framebuffer, FramebufferAttachment.DepthStencilAttachment, RenderbufferTarget.Renderbuffer, _depthBufferHandle);
            
            if (GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer) != FramebufferErrorCode.FramebufferComplete)
                throw new InvalidOperationException();

            _dirty = false;
        }