Interestingly, screencasting via linear buffers also lets you select a specific window for casting. That is at screen address (FBO_stride * window_y + window_x), and has stride (window_stride).
Interestingly, screencasting via linear buffers also lets you select a specific window for casting. That is at screen address (FBO_stride * window_y + window_x), and has stride (window_stride).