overte-thingvellir/libraries/gpu-gl/src/gpu/gl41/GL41BackendQuery.cpp

//
//  GL41BackendQuery.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 "GL41Backend.h"

#include <gpu/gl/GLQuery.h>

using namespace gpu;
using namespace gpu::gl;
using namespace gpu::gl41; 

class GL41Query : public GLQuery {
    using Parent = GLQuery;
public:
    static GLuint allocateQuery() {
        GLuint result;
        glGenQueries(1, &result);
        return result;
    }

    GL41Query(const std::weak_ptr<GLBackend>& backend, const Query& query)
        : Parent(backend, query, allocateQuery(), allocateQuery()) { }
};

GLQuery* GL41Backend::syncGPUObject(const Query& query) {
    return GL41Query::sync<GL41Query>(*this, query);
}

GLuint GL41Backend::getQueryID(const QueryPointer& query) {
    return GL41Query::getId<GL41Query>(*this, query);
}