extensions.hpp

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#ifndef OGLPLUS_GL_API_EXTENSIONS_HPP
#define OGLPLUS_GL_API_EXTENSIONS_HPP
 
#include <eagine/string_span.hpp>
 
namespace eagine::oglp {
 
template <typename ApiTraits>
class basic_gl_operations;
 
template <typename ApiTraits>
class basic_gl_extension {
public:
    constexpr basic_gl_extension(
      string_view name,
      ApiTraits&,
      const basic_gl_operations<ApiTraits>& api) noexcept
      : _api{api}
      , _name{name} {}
 
    explicit operator bool() const noexcept {
        return _api.has_extension(_name);
    }
 
    auto operator()() const noexcept -> bool {
        return _api.has_extension(_name);
    }
 
private:
    const basic_gl_operations<ApiTraits>& _api;
    string_view _name;
};
 
} // namespace eagine::oglp
 
#endif // OGLPLUS_GL_API_EXTENSIONS_HPP