glsl_features.glsl_version = get_glsl_version();
glsl_features.arb_enhanced_layouts = ARB_enhanced_layouts;
glsl_features.arb_explicit_attrib_location = ARB_explicit_attrib_location;
glsl_features.glsl_version = get_glsl_version();
glsl_features.arb_enhanced_layouts = ARB_enhanced_layouts;
glsl_features.arb_explicit_attrib_location = ARB_explicit_attrib_location;