OgreShaderExLinearSkinning.h

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/*
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This source file is part of OGRE
(Object-oriented Graphics Rendering Engine)
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*/
#ifndef _ShaderExLinearSkinning_
#define _ShaderExLinearSkinning_

#include "OgreShaderPrerequisites.h"

#ifdef RTSHADER_SYSTEM_BUILD_EXT_SHADERS
#include "OgreShaderExHardwareSkinningTechnique.h"
#include "OgreShaderParameter.h"
#include "OgreRenderSystem.h"
#include "OgreShaderFunctionAtom.h"

namespace Ogre {
namespace RTShader {

class _OgreRTSSExport LinearSkinning : public HardwareSkinningTechnique
{
// Interface.
public:
    LinearSkinning();

    virtual bool resolveParameters (ProgramSet* programSet);

    virtual bool resolveDependencies (ProgramSet* programSet);

    virtual bool addFunctionInvocations (ProgramSet* programSet);

protected:
    void addPositionCalculations (Function* vsMain, int& funcCounter);

    void addIndexedPositionWeight (Function* vsMain, int index, int& funcCounter);

    void addNormalRelatedCalculations (Function* vsMain,
                        ParameterPtr& pNormalRelatedParam,
                        ParameterPtr& pNormalWorldRelatedParam,
                        int& funcCounter);

    void addIndexedNormalRelatedWeight (Function* vsMain, ParameterPtr& pNormalRelatedParam,
                        ParameterPtr& pNormalWorldRelatedParam,
                        int index, int& funcCounter);
};

}
}

#endif
#endif