bool osgSDLViewer::renderOneFrame(void)
{
// Lock surface if needed
if ( SDL_MUSTLOCK( mScreen ) )
if ( SDL_LockSurface( mScreen ) < 0 )
return false;
//Clear the color and depth buffers.
glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
// Frame started
if (!frameStarted())
return false;
// Update Scene
update();
redraw();
// Frame ended
if (!frameEnded())
return false;
// Unlock if needed
if ( SDL_MUSTLOCK( mScreen ) )
SDL_UnlockSurface( mScreen );
// Swap Buffers
SDL_GL_SwapBuffers();
return true;
}
int ShaderEditor::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QMainWindow::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
if (_c == QMetaObject::InvokeMetaMethod) {
switch (_id) {
case 0: frameStarted(); break;
case 1: Tick(); break;
default: ;
}
_id -= 2;
}
return _id;
}
