/* -*-c++-*- */
/* osgEarth - Geospatial SDK for OpenSceneGraph
 * Copyright 2008-2012 Pelican Mapping
 * http://osgearth.org
 *
 * osgEarth is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 */
#pragma once

#include <osgEarth/Common>

// forward
namespace osgViewer {
    class ViewerBase;
}

namespace osgEarth
{
    namespace Util
    {
        class OSGEARTH_EXPORT Metrics
        {
        public:
            //! Convenience function to run the OSG frame loop with metrics.
            static int run(osgViewer::ViewerBase& viewer);

            static void frame();

            //! Whether metrics collection is enabled.
            static bool enabled();

            //! Toggle on metrics collection
            static void setEnabled(bool enabled);

            //! Whether to install GPU profiling.
            static void setGPUProfilingEnabled(bool enabled);
        };
    }
}

#ifdef OSGEARTH_HAVE_TRACY

// if you used a config.cmake file to get tracy, TRACY_ENABLE is already defined
#ifndef TRACY_ENABLE
#define TRACY_ENABLE
#endif

#define TRACY_ON_DEMAND
#define TRACY_DELAYED_INIT
#include <tracy/Tracy.hpp>

#define OE_PROFILING_ZONE ZoneNamed( ___tracy_scoped_zone, osgEarth::Util::Metrics::enabled() )
#define OE_PROFILING_ZONE_NAMED(functionName) ZoneNamedN(___tracy_scoped_zone, functionName, osgEarth::Util::Metrics::enabled())
#define OE_PROFILING_ZONE_COLOR(color) ZoneScopedC(___tracy_scoped_zone, color, osgEarth::Util::Metrics::enabled())
#define OE_PROFILING_ZONE_TEXT(text) _zoneSetText(___tracy_scoped_zone, text)
#define OE_PROFILING_PLOT(name, value) if (osgEarth::Util::Metrics::enabled()) {TracyPlot(name, value);}
#define OE_PROFILING_FRAME_MARK if (osgEarth::Util::Metrics::enabled()) {FrameMark;}
#define OE_LOCKABLE(type, varname) TracyLockable(type, varname)
#define OE_LOCKABLE_NAMED(type, varname, desc) TracyLockableN(type, varname, desc)
#define OE_LOCKABLE_BASE( type ) LockableBase( type )

#define OE_PROFILING_GPU_ZONE(name)

#else // ifndef OSGEARTH_HAVE_TRACY

#define OE_PROFILING_ZONE
#define OE_PROFILING_ZONE_NAMED(functionName)
#define OE_PROFILING_ZONE_COLOR(color)
#define OE_PROFILING_ZONE_TEXT(text)
#define OE_PROFILING_PLOT(name, value)
#define OE_PROFILING_FRAME_MARK
#define OE_LOCKABLE(type, varname) type varname
#define OE_LOCKABLE_BASE( type ) type
#define OE_PROFILING_GPU_ZONE(name)

#endif