Hello There.
I've been reading alot of e-mails regarding drawing of objects in sequence,
like a simple OpenGL program that draws each Geometry independently of its
complexibility and cost to the GPU.
And for now I'm working in an OSG scenario in which I'm doing a toolkit that
generates widgets in 2D Orthographic mode. Almost all of the components are
being drawn with LIGHTING disabled because they are unecessary for the case.
And with or without RenderBin::TRAVERSAL_ORDER option enabled I can add a
widget as a child of other widget without problems by using
osg::Group::insertChild( 0, child ).
The problem is when I try to draw osgText::Texts inside components as
children. They simply not appear on the screen.
- if i create them and set their StateSet as setGlobalDefaults the text
appears as a Child of other widgets ( But in this case i loose color and
background transparency control of the text and is something i would not
like to loose ).
- If i draw them without a widget on the screen the Text appears.
After that I thought that TRAVERSAL_ORDER could solve the problem. But
TRAVERSAL_ORDER is not solving the problem.
I'm doing on the initial part of my code before creating any X Window with
osgViewer::View... :
int main( void )
{
using namespace osgUtil;
RenderBin::setDefaultRenderBinSortMode( RenderBin::TRAVERSAL_ORDER
);
RenderBin::SortMode s = RenderBin::getDefaultRenderBinSortMode();
/// window init
/// widget init
return viewer.run();
}
My questions are:
- Am I looking to the right option (RenderBin::TRAVERSAL_ORDER ) ?
- Am I setting TRAVERSAL_ORDER in the right way ?
Sorry to ask but i already lost one week searching for documentation about
this problem and no good results.
Kind Regards
Andre
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