Hi Rapahel,
[EMAIL PROTECTED] wrote:
>> doesn't window->render() do a swap? How does your render_IDB() function look?
>
> in the Window Class hierarchy, only ClusterWindow,PassiveWindow and
> XWindow Classes implements the swap() method, so I believe that only
> the glutSwapBuffer() call could really swap buffers of a GlutWindow.
Hm, nope:
dream: Source/WindowSystem 239 % grep -r ::swap .
./QT/OSGQGLWidget_qt.cpp:void OSGQGLWidget::swapBuffers(void)
./QT4/OSGQ4GLWidget_qt.cpp:void OSGQGLWidget::swapBuffers(void)
./Cocoa/OSGCocoaWindow.mm:void CocoaWindow::swap( void )
./WIN32/OSGWIN32Window.cpp:void WIN32Window::swap( void )
./GLUT/OSGGLUTWindow.cpp:void GLUTWindow::swap(void)
./CoreGL/OSGCoreGLWindow.cpp:void CoreGLWindow::swap( void )
./X/OSGXWindow.cpp:void XWindow::swap( void )
./Carbon/OSGCarbonWindow.cpp:void CarbonWindow::swap( void )
Pretty much all Windows implement swap(), including the GLUTWindow. You can
probably use a PassiveWindow just as easily, and that doesn't do its own swap.
The alterative is to actually add/remove the FBOViewport to the Window in
question, then you don't have to worry about rendering and swapping.
Yours
Dirk
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