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Make sure CopyFramebufferToTextureCallback is only called once and not every frame

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This commit is contained in:
Ilya Zhuravlev 2018-12-25 11:56:24 -05:00
parent 8e7c01b561
commit 1bdec2399f
1 changed files with 5 additions and 0 deletions
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5
apps/openmw/mwgui/loadingscreen.cpp
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@ -133,11 +133,15 @@ namespace MWGui
public:
CopyFramebufferToTextureCallback(osg::Texture2D* texture)
: mTexture(texture)
, oneshot(true)
{
}
virtual void operator () (osg::RenderInfo& renderInfo) const
{
if (!oneshot)
return;
oneshot = false;
int w = renderInfo.getCurrentCamera()->getViewport()->width();
int h = renderInfo.getCurrentCamera()->getViewport()->height();
mTexture->copyTexImage2D(*renderInfo.getState(), 0, 0, w, h);
@ -145,6 +149,7 @@ namespace MWGui
private:
osg::ref_ptr<osg::Texture2D> mTexture;
mutable bool oneshot;
};
class DontComputeBoundCallback : public osg::Node::ComputeBoundingSphereCallback