FGFS-4.1/OpenSceneGraph
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Improved handling of updates to the Texture target that require the texture to be reapplied.

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Used State for applying Texture target to work better with lazy state updating.
This commit is contained in:
Robert Osfield
2018-02-13 12:12:34 +00:00
parent e491c61fa5
commit 68bb67312e
1 changed files with 8 additions and 6 deletions
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14
src/osg/BindImageTexture.cpp
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@@ -15,17 +15,19 @@ int BindImageTexture::compare(const osg::StateAttribute &sa) const
return 0;
}
void BindImageTexture::apply(osg::State&state) const
void BindImageTexture::apply(osg::State& state) const
{
if(_target.valid())
{
osg::Texture::TextureObject *to = _target->getTextureObject( state.getContextID() );
if( !to )
unsigned int contextID = state.getContextID();
osg::Texture::TextureObject *to = _target->getTextureObject( contextID );
if( !to || _target->isDirty( contextID ))
{
// _target never been applied yet
_target->apply(state);
to = _target->getTextureObject( state.getContextID() );
// _target never been applied yet or is dirty
state.applyTextureAttribute( state.getActiveTextureUnit(), _target.get());
to = _target->getTextureObject( contextID );
}
state.get<osg::GLExtensions>()->glBindImageTexture(_imageunit, to->id(), _level, _layered, _layer, _access, _format);
}