Hi I am new to gtkglext trying to run some simple sample programs. In gtkglext, we create a drawing area as a widget and then set the size of the viewport using glviewport().Is the size of the drawing area not same as the size of the viewport? If not,then y? why would anyone make the size of drawing area and viewport different when viewport is also used to limit the size of drawing area? Also where is the coordinate (0,0) located on a window in this case? for gtk applications,it is located at top left corner.for gtkglext,where is it located? I am getting confused with the negative coordinates used in glviewport and glrectf and similar fns. -- View this message in context: http://www.nabble.com/glViewport-query-tp24425119p24425119.html Sent from the Gnome - GtkGLExt mailing list archive at Nabble.com.
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