vrshoot

diff libs/assimp/ImproveCacheLocality.h @ 0:b2f14e535253

initial commit
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 01 Feb 2014 19:58:19 +0200
parents
children
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     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/libs/assimp/ImproveCacheLocality.h	Sat Feb 01 19:58:19 2014 +0200
     1.3 @@ -0,0 +1,98 @@
     1.4 +/*
     1.5 +Open Asset Import Library (assimp)
     1.6 +----------------------------------------------------------------------
     1.7 +
     1.8 +Copyright (c) 2006-2012, assimp team
     1.9 +All rights reserved.
    1.10 +
    1.11 +Redistribution and use of this software in source and binary forms, 
    1.12 +with or without modification, are permitted provided that the 
    1.13 +following conditions are met:
    1.14 +
    1.15 +* Redistributions of source code must retain the above
    1.16 +  copyright notice, this list of conditions and the
    1.17 +  following disclaimer.
    1.18 +
    1.19 +* Redistributions in binary form must reproduce the above
    1.20 +  copyright notice, this list of conditions and the
    1.21 +  following disclaimer in the documentation and/or other
    1.22 +  materials provided with the distribution.
    1.23 +
    1.24 +* Neither the name of the assimp team, nor the names of its
    1.25 +  contributors may be used to endorse or promote products
    1.26 +  derived from this software without specific prior
    1.27 +  written permission of the assimp team.
    1.28 +
    1.29 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
    1.30 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
    1.31 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    1.32 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
    1.33 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    1.34 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
    1.35 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    1.36 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
    1.37 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
    1.38 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
    1.39 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    1.40 +
    1.41 +----------------------------------------------------------------------
    1.42 +*/
    1.43 +
    1.44 +/** @file Defines a post processing step to reorder faces for 
    1.45 + better cache locality*/
    1.46 +#ifndef AI_IMPROVECACHELOCALITY_H_INC
    1.47 +#define AI_IMPROVECACHELOCALITY_H_INC
    1.48 +
    1.49 +#include "BaseProcess.h"
    1.50 +#include "assimp/types.h"
    1.51 +
    1.52 +struct aiMesh;
    1.53 +
    1.54 +namespace Assimp
    1.55 +{
    1.56 +
    1.57 +// ---------------------------------------------------------------------------
    1.58 +/** The ImproveCacheLocalityProcess reorders all faces for improved vertex
    1.59 + *  cache locality. It tries to arrange all faces to fans and to render
    1.60 + *  faces which share vertices directly one after the other.
    1.61 + *
    1.62 + *  @note This step expects triagulated input data.
    1.63 + */
    1.64 +class ImproveCacheLocalityProcess : public BaseProcess
    1.65 +{
    1.66 +public:
    1.67 +
    1.68 +	ImproveCacheLocalityProcess();
    1.69 +	~ImproveCacheLocalityProcess();
    1.70 +
    1.71 +public:
    1.72 +
    1.73 +	// -------------------------------------------------------------------
    1.74 +	// Check whether the pp step is active
    1.75 +	bool IsActive( unsigned int pFlags) const;
    1.76 +
    1.77 +	// -------------------------------------------------------------------
    1.78 +	// Executes the pp step on a given scene
    1.79 +	void Execute( aiScene* pScene);
    1.80 +
    1.81 +	// -------------------------------------------------------------------
    1.82 +	// Configures the pp step
    1.83 +	void SetupProperties(const Importer* pImp);
    1.84 +
    1.85 +protected:
    1.86 +	// -------------------------------------------------------------------
    1.87 +	/** Executes the postprocessing step on the given mesh
    1.88 +	 * @param pMesh The mesh to process.
    1.89 +	 * @param meshNum Index of the mesh to process
    1.90 +	 */
    1.91 +	float ProcessMesh( aiMesh* pMesh, unsigned int meshNum);
    1.92 +
    1.93 +private:
    1.94 +	//! Configuration parameter: specifies the size of the cache to
    1.95 +	//! optimize the vertex data for.
    1.96 +	unsigned int configCacheDepth;
    1.97 +};
    1.98 +
    1.99 +} // end of namespace Assimp
   1.100 +
   1.101 +#endif // AI_IMPROVECACHELOCALITY_H_INC