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Avoid compiling composite maps that are no longer referenced

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This commit is contained in:
scrawl 2017-03-10 21:46:51 +01:00
parent 03c07d3bd5
commit 11bee6ee35
1 changed files with 7 additions and 0 deletions
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7
components/terrain/compositemaprenderer.cpp
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@ -57,6 +57,13 @@ void CompositeMapRenderer::drawImplementation(osg::RenderInfo &renderInfo) const
void CompositeMapRenderer::compile(CompositeMap &compositeMap, osg::RenderInfo &renderInfo, double* timeLeft) const
{
// if there are no more external references we can assume the texture is no longer required
if (compositeMap.mTexture->referenceCount() <= 1)
{
compositeMap.mCompiled = compositeMap.mDrawables.size();
return;
}
osg::Timer timer;
osg::State& state = *renderInfo.getState();
osg::GLExtensions* ext = state.get<osg::GLExtensions>();