Added preliminary handling of cases where GLX version < 1.3

2007-09-12 17:01:47 +00:00
parent 23945bb506
commit 45e98d5f18
3 changed files with 59 additions and 43 deletions
--- a/src/osgViewer/GraphicsWindowX11.cpp
+++ b/src/osgViewer/GraphicsWindowX11.cpp
@@ -516,7 +516,7 @@ void GraphicsWindowX11::init()
    else
    {
        PixelBufferX11* pixelBufferX11 = dynamic_cast<PixelBufferX11*>(_traits->sharedContext);
-        if (pixelBufferX11)
+        if (pixelBufferX11 && pixelBufferX11->valid())
        {
            sharedContextGLX = pixelBufferX11->getGLXContext();
        }