DtDiGuyOsgGraphicsTexture.h

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/******************************************************************************
** Copyright (c) 2021 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once
/*********************************************************************
 **
 *2  DtDiGuyOsgGraphicsTexture
 **
 */
#include <vrvDiGuy/vrvDiGuy.h>

#include <diguyGraphicsTexture.h>

#include <osg/Texture2D>
#include <osg/Image>
#include <osg/StateSet>

namespace makVrv
{

   class DT_DLL_VRVDIGUY DtDiGuyOsgGraphicsTexture : public diguyGraphicsTexture
   {

   public:

      DtDiGuyOsgGraphicsTexture(void* internal_data);
      virtual ~DtDiGuyOsgGraphicsTexture();

      virtual void asynchronous_post_load() override;

      virtual void build() override;
      virtual void unbuild() override;

      // needed for particle rendering
      virtual void bind_now(diguyTextureMapType texture_type);
      osg::Texture2D* texture() { return m_texture.get(); }

      static void setCurrentStateForTextureBind(osg::State* state) { sm_state = state; }
      static osg::ref_ptr<osg::State> sm_state;

      void releaseGLObjects();

   protected:

      osg::ref_ptr<osg::Texture2D> m_texture;
      osg::ref_ptr<osg::Image> m_image;


   private:
      DtDiGuyOsgGraphicsTexture(const DtDiGuyOsgGraphicsTexture&) = delete;
      DtDiGuyOsgGraphicsTexture& operator=(const DtDiGuyOsgGraphicsTexture&) = delete;

   public:
      typedef std::vector<DtDiGuyOsgGraphicsTexture*> TextureList;
      // FIXME: should refactor to rooted singleton pattern
      static TextureList s_textures;
   };
}
diguyGraphicsTexture* diguyOsgGraphicsTexture_create_func(void* internal_data);