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/* -*-c++-*-
* Copyright (C) 2017 Julien Valentin <mp3butcher@hotmail.com>
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library 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
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGANIMATION_MORPH_TRANSFORM_HARDWARE
#define OSGANIMATION_MORPH_TRANSFORM_HARDWARE 1
#include <osgAnimation/Export>
#include <osgAnimation/RigTransform>
#include <osgAnimation/VertexInfluence>
#include <osgAnimation/Bone>
#include <osg/Matrix>
#include <osg/Array>
///texture unit reserved for morphtarget TBO
#define MORPHTRANSHW_DEFAULTMORPHTEXTUREUNIT 7
namespace osgAnimation
{
class MorphGeometry;
/// This class manage format for hardware morphing
class OSGANIMATION_EXPORT MorphTransformHardware : public MorphTransform
{
public:
MorphTransformHardware();
MorphTransformHardware(const MorphTransformHardware& rth, const osg::CopyOp& copyop);
META_Object(osgAnimation,MorphTransformHardware);
virtual void operator()(MorphGeometry&);
inline void setShader( osg::Shader*s ) { _shader=s; }
inline const osg::Shader * getShader() const { return _shader.get(); }
inline osg::Shader * getShader() { return _shader.get(); }
///texture unit reserved for morphtarget TBO default is 7
void setReservedTextureUnit(unsigned int t) { _reservedTextureUnit=t; }
unsigned int getReservedTextureUnit() const { return _reservedTextureUnit; }
protected:
bool init(MorphGeometry&);
osg::ref_ptr<osg::Uniform> _uniformTargetsWeight;
osg::ref_ptr<osg::Shader> _shader;
bool _needInit;
unsigned int _reservedTextureUnit;
};
}
#endif
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