source: OGRE/trunk/ogre_changes/Ogre1.2/RenderSystems/Direct3D9/include/OgreD3D9Mappings.h @ 1053

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

Copyright (c) 2000-2005 The OGRE Team
Also see acknowledgements in Readme.html

This program 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, write to the Free Software Foundation, Inc., 59 Temple
Place - Suite 330, Boston, MA 02111-1307, USA, or go to
http://www.gnu.org/copyleft/lesser.txt.
-----------------------------------------------------------------------------
*/
#ifndef __D3D9MAPPINGS_H__
#define __D3D9MAPPINGS_H__

#include "OgreD3D9Prerequisites.h"
#include "OgreCommon.h"
#include "OgreLight.h"
#include "OgreMaterial.h"
#include "OgreRenderSystem.h"
#include "OgreHardwareBuffer.h"
#include "OgreHardwareIndexBuffer.h"

#include "OgreNoMemoryMacros.h"
#include <d3d9.h>
#include <d3dx9.h>
#include <dxerr9.h>
#include "OgreMemoryMacros.h"

namespace Ogre 
{
        class D3D9Mappings
        {
        public:
                /// enum identifying D3D9 tex. types
                enum eD3DTexType
                {
                        /// standard texture
                        D3D_TEX_TYPE_NORMAL,
                        /// cube texture
                        D3D_TEX_TYPE_CUBE,
                        /// volume texture
                        D3D_TEX_TYPE_VOLUME,
                        /// just to have it...
                        D3D_TEX_TYPE_NONE
                };

                /// enum identifying D3D9 filter usage type
                enum eD3DFilterUsage
                {
                        /// min filter
                        D3D_FUSAGE_MIN,
                        /// mag filter
                        D3D_FUSAGE_MAG,
                        /// mip filter
                        D3D_FUSAGE_MIP
                };

                /// return a D3D9 equivalent for a Ogre ShadeOptions value
                static DWORD get(ShadeOptions so);
                /// return a D3D9 equivalent for a Ogre LightTypes value
                static D3DLIGHTTYPE get(Ogre::Light::LightTypes lightType);
                /// return a D3D9 equivalent for a Ogre TexCoordCalsMethod value
                static DWORD get(TexCoordCalcMethod m, const D3DCAPS9& caps);
                /// return a D3D9 equivalent for a Ogre TextureAddressingMode value
                static D3DTEXTUREADDRESS get(TextureUnitState::TextureAddressingMode tam);
                /// return a D3D9 equivalent for a Ogre LayerBlendType value
                static D3DTEXTURESTAGESTATETYPE get(LayerBlendType lbt);
                /// return a D3D9 equivalent for a Ogre LayerBlendOperationEx value
                static DWORD get(LayerBlendOperationEx lbo, const D3DCAPS9& devCaps);
                /// return a D3D9 equivalent for a Ogre LayerBlendSource value
                static DWORD get(LayerBlendSource lbs);
                /// return a D3D9 equivalent for a Ogre SceneBlendFactor value
                static D3DBLEND get(SceneBlendFactor sbf);
#ifdef GAMETOOLS_ILLUMINATION_MODULE
                static D3DBLENDOP get(SceneBlendOperation op)
                        {
                                switch( op )
                                {
                                case SBOP_ADD:
                                        return D3DBLENDOP_ADD;
                                case SBOP_SUBTRACT:
                                        return D3DBLENDOP_SUBTRACT;
                                case SBOP_REVSUBTRACT:
                                        return D3DBLENDOP_REVSUBTRACT;
                                case SBOP_MIN:
                                        return D3DBLENDOP_MIN;
                                case SBOP_MAX:
                                        return D3DBLENDOP_MAX;                          
                                }                               
                        }
#endif
                /// return a D3D9 equivalent for a Ogre CompareFunction value
                static DWORD get(CompareFunction cf);
                /// return a D3D9 equivalent for a Ogre CillingMode value
                static DWORD get(CullingMode cm, bool flip);
                /// return a D3D9 equivalent for a Ogre FogMode value
                static D3DFOGMODE get(FogMode fm);
                /// return a D3D9 equivalent for a Ogre PolygonMode value
                static D3DFILLMODE get(PolygonMode level);
                /// return a D3D9 equivalent for a Ogre StencilOperation value
                static DWORD get(StencilOperation op, bool invert = false);
                /// return a D3D9 state type for Ogre FilterType value
                static D3DSAMPLERSTATETYPE get(FilterType ft);
                /// return a D3D9 filter option for Ogre FilterType & FilterOption value
                static DWORD get(FilterType ft, FilterOptions fo, const D3DCAPS9& devCaps, eD3DTexType texType);
                /// return the D3DtexType equivalent of a Ogre tex. type
                static eD3DTexType get(TextureType ogreTexType);
        /// return the combination of D3DUSAGE values for Ogre buffer usage
        static DWORD get(HardwareBuffer::Usage usage);
        /// Get lock options
        static DWORD get(HardwareBuffer::LockOptions options, HardwareBuffer::Usage usage);
        /// Get index type
        static D3DFORMAT get(HardwareIndexBuffer::IndexType itype);
                /// Get vertex data type
                static D3DDECLTYPE get(VertexElementType vType);
                /// Get vertex semantic
                static D3DDECLUSAGE get(VertexElementSemantic sem);
        // Convert matrix to D3D style
        static  D3DXMATRIX makeD3DXMatrix( const Matrix4& mat );
        // Convert matrix from D3D style
        static Matrix4 D3D9Mappings::convertD3DXMatrix( const D3DXMATRIX& mat );

                /// utility method, convert D3D9 pixel format to Ogre pixel format
                static PixelFormat _getPF(D3DFORMAT d3dPF);
                /// utility method, convert Ogre pixel format to D3D9 pixel format
                static D3DFORMAT _getPF(PixelFormat ogrePF);
                /// utility method, find closest Ogre pixel format that D3D9 can support
                static PixelFormat _getClosestSupportedPF(PixelFormat ogrePF);
        };
}
#endif