////  GL45BackendQuery.cpp//  libraries/gpu/src/gpu////  Created by Sam Gateau on 7/7/2015.//  Copyright 2015 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html//#include "GL45Backend.h" #include <gpu/gl/GLQuery.h> namespace gpu { namespace gl45 {  class GL45Query : public gpu::gl::GLQuery {    using Parent = gpu::gl::GLQuery;public:    static GLuint allocateQuery() {        GLuint result;        glCreateQueries(GL_TIMESTAMP, 1, &result);        return result;    }     GL45Query(const std::weak_ptr<gl::GLBackend>& backend, const Query& query)        : Parent(backend, query, allocateQuery(), allocateQuery()) {    }}; gl::GLQuery* GL45Backend::syncGPUObject(const Query& query) {    return GL45Query::sync<GL45Query>(*this, query);} GLuint GL45Backend::getQueryID(const QueryPointer& query) {    return GL45Query::getId<GL45Query>(*this, query);} } }