Hi Fred, Perhaps you are expecting too much from a graphics context. Is that you just want the graphics context to cover a small part of your window and want conventional 2D GUI in the rest of the window? I don't believe this is possible without creating a subwindow just for the graphics context.
Robert. On Wed, Mar 25, 2009 at 3:28 PM, Frederic Marmond <[email protected]>wrote: > hum, the (black) color was not the problem in itself :) > > If I do this (update from my whole code): > gc->setClearColor( osg::Vec4f(1.2f, 0.2f, 0.6f, 1.0f) ); > gc->setClearMask( 0) ; > > camera->setClearColor( osg::Vec4f(0.2f, 0.2f, 1.6f, 1.0f) ); > camera->setClearMask( GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT ); > (that's to say: don't clear anything on gc, and fill background with > blue on camera), > > I have the camera successfully drawn at the right place, with blue > background. This is what I want for that camera. > BUT, the problem persists, i.e. all around the viewport, the whole > window is painted in black. (maybe mick jagger is singing too loud ?). > it is painted in pink if I enable the > gc->setClearMask(GL_COLOR_BUFFER_BIT). > > I can't manage to make OSG only impact the camera viewport (my blue > rectangle) and leave the window around unchanged... > Did anyone achieve to display an osgViewer::Viewer at some small place > in a window without overwrite window content around? > > Fred > > > > 2009/3/25 Robert Osfield <[email protected]>: > > On Wed, Mar 25, 2009 at 3:03 PM, Frederic Marmond <[email protected]> > > wrote: > >> > >> hum, it didn't work :( > >> > >> both > >> // gc->setClearColor( osg::Vec4f(1.2f, 0.2f, 0.6f, 1.0f) ); > >> // gc->setClearMask( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT ); > >> and > >> gc->setClearColor( osg::Vec4f(1.2f, 0.2f, 0.6f, 1.0f) ); > >> gc->setClearMask( 0 ); > >> > >> do the same: instead of the shiny pink color, the window is filled with > >> black > >> > >> any other suggestion ? > > > > Well you disable the clear colour in the camera's ClearMask so perhaps > this > > is why it's just black. > > > > Robert. > > > > _______________________________________________ > > osg-users mailing list > > [email protected] > > > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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