ScenegraphLocationDelegate.h

// Copyright (c) 2013 The Foundry Visionmongers Ltd. All Rights Reserved.

#ifndef FNRENDER_SCENEGRAPHLOCATIONDELEGATE_H
#define FNRENDER_SCENEGRAPHLOCATIONDELEGATE_H

#include <vector>

#include "FnPluginSystem/FnPlugin.h"

#include "FnRender/FnRenderAPI.h"
#include "FnRender/suite/FnScenegraphLocationDelegateSuite.h"

#include "FnScenegraphIterator/FnScenegraphIterator.h"
#include "FnScenegraphIterator/suite/FnScenegraphIteratorSuite.h"

namespace Foundry
{
namespace Katana
{
namespace Render
{
    class FNRENDER_API ScenegraphLocationDelegate
    {
    public:
        virtual ~ScenegraphLocationDelegate() {}
        void bootstrap(void* ptr) {};

        virtual void* process(FnScenegraphIterator sgIterator, void* optionalInput) = 0;
        virtual std::string getSupportedRenderer() const { return std::string(); };
        virtual void fillSupportedLocationList(std::vector<std::string>& supportedLocationList) const = 0;

        static FnScenegraphLocationDelegatePluginSuite_v1 createSuite(FnLocationHandle(*create)());
        static FnPlugStatus setHost(FnPluginHost* host);
        static FnLocationHandle newLocationHandle(ScenegraphLocationDelegate* location);

        static unsigned int _apiVersion;
        static const char* _apiName;

    private:
        static FnPluginHost * _host;
    };

}
}
}

namespace FnKat = Foundry::Katana;

#define DEFINE_SCENEGRAPH_LOCATION_DELEGATE_PLUGIN(LOCATION_CLASS)            \
                                                                              \
    FnPlugin LOCATION_CLASS##_plugin;                                         \
                                                                              \
    FnLocationHandle LOCATION_CLASS##_create()                                \
    {                                                                         \
        return Foundry::Katana::Render::ScenegraphLocationDelegate::          \
                newLocationHandle(LOCATION_CLASS::create());                  \
    }                                                                         \
                                                                              \
    FnScenegraphLocationDelegatePluginSuite_v1 LOCATION_CLASS##_suite =       \
            Foundry::Katana::Render::ScenegraphLocationDelegate::createSuite( \
                    LOCATION_CLASS##_create);                                 \
                                                                              \
    const void* LOCATION_CLASS##_getSuite()                                   \
    {                                                                         \
        return &LOCATION_CLASS##_suite;                                       \
    }

#endif