Removed check for shaders/overlay_perspective_main.vert
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@@ -1091,12 +1091,6 @@ OverlayNode::OverlayData& OverlayNode::getOverlayData(osgUtil::CullVisitor* cv)
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overlayData._mainSubgraphProgram = new osg::Program;
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// get shaders from source
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std::string vertexShaderFile = osgDB::findDataFile("shaders/overlay_perspective_main.vert");
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if (!vertexShaderFile.empty())
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{
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overlayData._mainSubgraphProgram->addShader(osg::Shader::readShaderFile(osg::Shader::VERTEX, vertexShaderFile));
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}
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std::string fragmentShaderFile = osgDB::findDataFile("shaders/overlay_perspective_main.frag");
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if (!fragmentShaderFile.empty())
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{
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