Query.h - mozsearch

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//

// Copyright 2012 The ANGLE Project Authors. All rights reserved.

// Use of this source code is governed by a BSD-style license that can be

// found in the LICENSE file.

//

// Query.h: Defines the gl::Query class

#ifndef LIBANGLE_QUERY_H_

#define LIBANGLE_QUERY_H_

#include "common/PackedEnums.h"

#include "libANGLE/Debug.h"

#include "libANGLE/Error.h"

#include "libANGLE/RefCountObject.h"

#include "common/angleutils.h"

#include "angle_gl.h"

namespace rx

class GLImplFactory;

class QueryImpl;

}  // namespace rx

namespace gl

class Query final : public RefCountObject<QueryID>, public LabeledObject

  public:

    Query(rx::GLImplFactory *factory, QueryType type, QueryID id);

    ~Query() override;

    void onDestroy(const Context *context) override;

    angle::Result setLabel(const Context *context, const std::string &label) override;

    const std::string &getLabel() const override;

    angle::Result begin(const Context *context);

    angle::Result end(const Context *context);

    angle::Result queryCounter(const Context *context);

    angle::Result getResult(const Context *context, GLint *params);

    angle::Result getResult(const Context *context, GLuint *params);

    angle::Result getResult(const Context *context, GLint64 *params);

    angle::Result getResult(const Context *context, GLuint64 *params);

    angle::Result isResultAvailable(const Context *context, bool *available);

    QueryType getType() const;

    rx::QueryImpl *getImplementation() const;

  private:

    rx::QueryImpl *mQuery;

    std::string mLabel;

};

}  // namespace gl

#endif  // LIBANGLE_QUERY_H_