100 lines
3.4 KiB
C++
100 lines
3.4 KiB
C++
/*
|
|
Open Asset Import Library (assimp)
|
|
----------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2019, assimp team
|
|
|
|
|
|
All rights reserved.
|
|
|
|
Redistribution and use of this software in source and binary forms,
|
|
with or without modification, are permitted provided that the
|
|
following conditions are met:
|
|
|
|
* Redistributions of source code must retain the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer.
|
|
|
|
* Redistributions in binary form must reproduce the above
|
|
copyright notice, this list of conditions and the
|
|
following disclaimer in the documentation and/or other
|
|
materials provided with the distribution.
|
|
|
|
* Neither the name of the assimp team, nor the names of its
|
|
contributors may be used to endorse or promote products
|
|
derived from this software without specific prior
|
|
written permission of the assimp team.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
----------------------------------------------------------------------
|
|
*/
|
|
|
|
/** @file Defines a post processing step to reorder faces for
|
|
better cache locality*/
|
|
#ifndef AI_IMPROVECACHELOCALITY_H_INC
|
|
#define AI_IMPROVECACHELOCALITY_H_INC
|
|
|
|
#include "BaseProcess.h"
|
|
#include <assimp/types.h>
|
|
|
|
struct aiMesh;
|
|
|
|
namespace Assimp
|
|
{
|
|
|
|
// ---------------------------------------------------------------------------
|
|
/** The ImproveCacheLocalityProcess reorders all faces for improved vertex
|
|
* cache locality. It tries to arrange all faces to fans and to render
|
|
* faces which share vertices directly one after the other.
|
|
*
|
|
* @note This step expects triagulated input data.
|
|
*/
|
|
class ImproveCacheLocalityProcess : public BaseProcess
|
|
{
|
|
public:
|
|
|
|
ImproveCacheLocalityProcess();
|
|
~ImproveCacheLocalityProcess();
|
|
|
|
public:
|
|
|
|
// -------------------------------------------------------------------
|
|
// Check whether the pp step is active
|
|
bool IsActive( unsigned int pFlags) const;
|
|
|
|
// -------------------------------------------------------------------
|
|
// Executes the pp step on a given scene
|
|
void Execute( aiScene* pScene);
|
|
|
|
// -------------------------------------------------------------------
|
|
// Configures the pp step
|
|
void SetupProperties(const Importer* pImp);
|
|
|
|
protected:
|
|
// -------------------------------------------------------------------
|
|
/** Executes the postprocessing step on the given mesh
|
|
* @param pMesh The mesh to process.
|
|
* @param meshNum Index of the mesh to process
|
|
*/
|
|
float ProcessMesh( aiMesh* pMesh, unsigned int meshNum);
|
|
|
|
private:
|
|
//! Configuration parameter: specifies the size of the cache to
|
|
//! optimize the vertex data for.
|
|
unsigned int configCacheDepth;
|
|
};
|
|
|
|
} // end of namespace Assimp
|
|
|
|
#endif // AI_IMPROVECACHELOCALITY_H_INC
|