/*
-----------------------------------------------------------------------------
This source file is part of OGRE
    (Object-oriented Graphics Rendering Engine)
For the latest info, see http://www.ogre3d.org/

Copyright (c) 2000-present Torus Knot Software Ltd

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-----------------------------------------------------------------------------
*/
#ifndef _OgreD3D11VendorExtension_H_
#define _OgreD3D11VendorExtension_H_

#include "OgreD3D11Prerequisites.h"
#include "OgreRenderSystemCapabilities.h"

#include "OgreHeaderPrefix.h"

namespace Ogre
{
    class _OgreD3D11Export D3D11VendorExtension
    {
    protected:
        virtual HRESULT createDeviceImpl( const String &appName,
                                          IDXGIAdapter *adapter, D3D_DRIVER_TYPE driverType,
                                          UINT deviceFlags, D3D_FEATURE_LEVEL *pFirstFL,
                                          UINT numFeatureLevels, D3D_FEATURE_LEVEL *outFeatureLevel,
                                          ID3D11Device **outDevice );

    public:
        D3D11VendorExtension();
        virtual ~D3D11VendorExtension();

        /**
        @param preferredVendor
            Use GPU_UNKNOWN to determined automatically
            Use GPU_VENDOR_COUNT to force-disable vendor extensions (i.e. raw D3D11 API)
            The rest will force a particular GPU vendor extension
        @param adapter
            The adapter to render to, in order to see which vendor extension to prefer
            in case there's multiple vendor GPUs in the same machine
        @return
        */
        static D3D11VendorExtension* initializeExtension( GPUVendor preferredVendor,
                                                          IDXGIAdapter *adapter );

        void createDevice( const String &appName,
                           IDXGIAdapter *adapter, D3D_DRIVER_TYPE driverType,
                           UINT deviceFlags, D3D_FEATURE_LEVEL *pFirstFL,
                           UINT numFeatureLevels, D3D_FEATURE_LEVEL *outFeatureLevel,
                           ID3D11Device **outDevice );

        virtual void destroyDevice( ID3D11Device *device );
    };

}

#include "OgreHeaderSuffix.h"

#endif
