99 lines
3.6 KiB
C++
99 lines
3.6 KiB
C++
/*
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Open Asset Import Library (assimp)
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----------------------------------------------------------------------
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Copyright (c) 2006-2024, assimp team
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All rights reserved.
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Redistribution and use of this software in source and binary forms,
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with or without modification, are permitted provided that the
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following conditions are met:
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* Redistributions of source code must retain the above
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copyright notice, this list of conditions and the
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following disclaimer.
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* Redistributions in binary form must reproduce the above
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copyright notice, this list of conditions and the
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following disclaimer in the documentation and/or other
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materials provided with the distribution.
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* Neither the name of the assimp team, nor the names of its
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contributors may be used to endorse or promote products
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derived from this software without specific prior
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written permission of the assimp team.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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----------------------------------------------------------------------
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*/
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/** @file Defines a post processing step to reorder faces for
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better cache locality*/
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#ifndef AI_IMPROVECACHELOCALITY_H_INC
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#define AI_IMPROVECACHELOCALITY_H_INC
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#include "Common/BaseProcess.h"
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#include <assimp/types.h>
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struct aiMesh;
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namespace Assimp {
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// ---------------------------------------------------------------------------
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/** The ImproveCacheLocalityProcess reorders all faces for improved vertex
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* cache locality. It tries to arrange all faces to fans and to render
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* faces which share vertices directly one after the other.
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*
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* @note This step expects triagulated input data.
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*/
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class ImproveCacheLocalityProcess : public BaseProcess {
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public:
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// -------------------------------------------------------------------
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/// The default class constructor / destructor.
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ImproveCacheLocalityProcess();
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~ImproveCacheLocalityProcess() override = default;
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// -------------------------------------------------------------------
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// Check whether the pp step is active
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bool IsActive( unsigned int pFlags) const override;
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// -------------------------------------------------------------------
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// Executes the pp step on a given scene
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void Execute( aiScene* pScene) override;
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// -------------------------------------------------------------------
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// Configures the pp step
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void SetupProperties(const Importer* pImp) override;
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protected:
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// -------------------------------------------------------------------
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/** Executes the postprocessing step on the given mesh
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* @param pMesh The mesh to process.
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* @param meshNum Index of the mesh to process
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*/
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ai_real ProcessMesh( aiMesh* pMesh, unsigned int meshNum);
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private:
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//! Configuration parameter: specifies the size of the cache to
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//! optimize the vertex data for.
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unsigned int mConfigCacheDepth;
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};
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} // end of namespace Assimp
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#endif // AI_IMPROVECACHELOCALITY_H_INC
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