#pragma once

#ifndef TTESSELLATOR_H

#define TTESSELLATOR_H

//#include "tpixel.h"

#include "traster.h"

#include "tgl.h"

#include "tthreadmessage.h"

class TColorFunction;

class TRegionOutline;

#undef DVAPI

#undef DVVAR

#ifdef TVRENDER_EXPORTS

#define DVAPI DV_EXPORT_API

#define DVVAR DV_EXPORT_VAR

#else

#define DVAPI DV_IMPORT_API

#define DVVAR DV_IMPORT_VAR

#endif

//=============================================================================

//==================== TTessellator ===========================================

//=============================================================================

class DVAPI TTessellator {

public:

  virtual ~TTessellator() {}

  virtual void tessellate(const TColorFunction *cf, const bool antiAliasing,

                          TRegionOutline &outline, TPixel32 color) = 0;

  virtual void tessellate(const TColorFunction *cf, const bool antiAliasing,

                          TRegionOutline &outline, TRaster32P texture) = 0;

};

//=============================================================================

//==================== OpenGL Tessellator

//===========================================

//=============================================================================

class DVAPI TglTessellator final : public TTessellator {

public:

  // TThread::Mutex m_mutex;

  class DVAPI GLTess {

  public:

#ifdef GLU_VERSION_1_2

    GLUtesselator *m_tess;

#else

#ifdef GLU_VERSION_1_1

    GLUtriangulatorObj *m_tess;

#else

    void *m_tess;

#endif

#endif

    GLTess();

    ~GLTess();

  };

private:

  // static GLTess m_glTess;

  void doTessellate(GLTess &glTess, const TColorFunction *cf,

                    const bool antiAliasing, TRegionOutline &outline);

  void doTessellate(GLTess &glTess, const TColorFunction *cf,

                    const bool antiAliasing, TRegionOutline outline,

                    const TAffine &aff);

public:

  // void tessellate(const TVectorRenderData &rd, TRegionOutline &outline );

  void tessellate(const TColorFunction *cf, const bool antiAliasing,

                  TRegionOutline &outline, TPixel32 color) override;

  void tessellate(const TColorFunction *cf, const bool antiAliasing,

                  TRegionOutline &outline, TRaster32P texture) override;

};

//=============================================================================

#endif