mirror/OpenMW
1
0
Fork 0
mirror of https://gitlab.com/OpenMW/openmw.git synced 2025-02-20 06:40:09 +00:00
Code Issues Projects Releases Wiki Activity

Improve performance of loading screen by not recomputing the bounding sphere of the entire scene after each loading step

Browse Source
This commit is contained in:
scrawl 2017-02-03 22:29:38 +01:00
parent 30b101b175
commit c58fc6d276
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
apps/openmw/mwgui/loadingscreen.cpp
View File

@ -123,6 +123,12 @@ namespace MWGui
int mWidth, mHeight;
};
class DontComputeBoundCallback : public osg::Node::ComputeBoundingSphereCallback
{
public:
virtual osg::BoundingSphere computeBound(const osg::Node&) const { return osg::BoundingSphere(); }
};
void LoadingScreen::loadingOn()
{
mLoadingOnTime = mTimer.time_m();
@ -136,6 +142,10 @@ namespace MWGui
mViewer->getIncrementalCompileOperation()->setTargetFrameRate(mTargetFrameRate);
}
// Assign dummy bounding sphere callback to avoid the bounding sphere of the entire scene being recomputed after each frame of loading
// We are already using node masks to avoid the scene from being updated/rendered, but node masks don't work for computeBound()
mViewer->getSceneData()->setComputeBoundingSphereCallback(new DontComputeBoundCallback);
bool showWallpaper = (MWBase::Environment::get().getStateManager()->getState()
== MWBase::StateManager::State_NoGame);
@ -192,6 +202,9 @@ namespace MWGui
else
mImportantLabel = false; // label was already shown on loading screen
mViewer->getSceneData()->setComputeBoundingSphereCallback(NULL);
mViewer->getSceneData()->dirtyBound();
//std::cout << "loading took " << mTimer.time_m() - mLoadingOnTime << std::endl;
setVisible(false);