Return early in osgText::Text property setters
Matches what the rest of the properties are doing & avoids unnecessary computation.
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@ -1342,6 +1342,8 @@ void Text::setBackdropType(BackdropType type)
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void Text::setBackdropOffset(float offset)
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{
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if (_backdropHorizontalOffset == offset && _backdropVerticalOffset == offset) return;
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_backdropHorizontalOffset = offset;
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_backdropVerticalOffset = offset;
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@ -1352,6 +1354,8 @@ void Text::setBackdropOffset(float offset)
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void Text::setBackdropOffset(float horizontal, float vertical)
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{
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if (_backdropHorizontalOffset == horizontal && _backdropVerticalOffset == vertical) return;
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_backdropHorizontalOffset = horizontal;
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_backdropVerticalOffset = vertical;
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@ -1362,6 +1366,8 @@ void Text::setBackdropOffset(float horizontal, float vertical)
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void Text::setBackdropColor(const osg::Vec4& color)
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{
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if (_backdropColor==color) return;
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_backdropColor = color;
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assignStateSet();
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