Cogl.Framebuffer.prototype.get_viewport_width

function get_viewport_width(): Number(gfloat) {
    // Gjs wrapper for cogl_framebuffer_get_viewport_width()
}
  

Queries the width of the viewport as set using Cogl.Framebuffer.prototype.set_viewport or the default value which is the width of the framebuffer.

Since 1.8